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x86/asm-prototypes: Remove duplicate include <asm/page.h>
[linux-2.6-block.git] / arch / x86 / events / intel / core.c
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a7e3ed1e 1/*
efc9f05d
SE		 2 * Per core/cpu state
3 *
4 * Used to coordinate shared registers between HT threads or
5 * among events on a single PMU.
a7e3ed1e 6 */
de0428a7 7
c767a54b
JP		 8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
de0428a7
KW		 10#include <linux/stddef.h>
11#include <linux/types.h>
12#include <linux/init.h>
13#include <linux/slab.h>
69c60c88 14#include <linux/export.h>
aacfbe6a 15#include <linux/nmi.h>
de0428a7 16
3a632cb2 17#include <asm/cpufeature.h>
de0428a7 18#include <asm/hardirq.h>
ef5f9f47 19#include <asm/intel-family.h>
de0428a7
KW		 20#include <asm/apic.h>
21
27f6d22b 22#include "../perf_event.h"
a7e3ed1e 23
f22f54f4 24/*
b622d644 25 * Intel PerfMon, used on Core and later.
f22f54f4 26 */
ec75a716 27static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly =
f22f54f4 28{
c3b7cdf1
PE		 29 [PERF_COUNT_HW_CPU_CYCLES] = 0x003c,
30 [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
31 [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e,
32 [PERF_COUNT_HW_CACHE_MISSES] = 0x412e,
33 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4,
34 [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5,
35 [PERF_COUNT_HW_BUS_CYCLES] = 0x013c,
36 [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */
f22f54f4
PZ		 37};
38
5c543e3c 39static struct event_constraint intel_core_event_constraints[] __read_mostly =
f22f54f4
PZ		 40{
41 INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
42 INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
43 INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
44 INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
45 INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
46 INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */
47 EVENT_CONSTRAINT_END
48};
49
5c543e3c 50static struct event_constraint intel_core2_event_constraints[] __read_mostly =
f22f54f4 51{
b622d644
PZ		 52 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
53 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
cd09c0c4 54 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
f22f54f4
PZ		 55 INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */
56 INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
57 INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
58 INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
59 INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
60 INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
61 INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
62 INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
b622d644 63 INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
f22f54f4
PZ		 64 INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */
65 EVENT_CONSTRAINT_END
66};
67
5c543e3c 68static struct event_constraint intel_nehalem_event_constraints[] __read_mostly =
f22f54f4 69{
b622d644
PZ		 70 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
71 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
cd09c0c4 72 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
f22f54f4
PZ		 73 INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */
74 INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */
75 INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */
76 INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */
77 INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */
78 INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */
79 INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
80 INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
81 EVENT_CONSTRAINT_END
82};
83
5c543e3c 84static struct extra_reg intel_nehalem_extra_regs[] __read_mostly =
a7e3ed1e 85{
53ad0447
YZ		 86 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
87 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0),
f20093ee 88 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b),
a7e3ed1e
AK		 89 EVENT_EXTRA_END
90};
91
5c543e3c 92static struct event_constraint intel_westmere_event_constraints[] __read_mostly =
f22f54f4 93{
b622d644
PZ		 94 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
95 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
cd09c0c4 96 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
f22f54f4
PZ		 97 INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
98 INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
99 INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
d1100770 100 INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */
f22f54f4
PZ		 101 EVENT_CONSTRAINT_END
102};
103
5c543e3c 104static struct event_constraint intel_snb_event_constraints[] __read_mostly =
b06b3d49
LM		 105{
106 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
107 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
cd09c0c4 108 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
fd4a5aef
SE		 109 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
110 INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
111 INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
112 INTEL_UEVENT_CONSTRAINT(0x06a3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
b06b3d49 113 INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */
b06b3d49
LM		 114 INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
115 INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
f8378f52
AK		 116 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
117 INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
93fcf72c 118
9010ae4a
SE		 119 /*
120 * When HT is off these events can only run on the bottom 4 counters
121 * When HT is on, they are impacted by the HT bug and require EXCL access
122 */
93fcf72c
MD		 123 INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
124 INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
125 INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
126 INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
127
b06b3d49
LM		 128 EVENT_CONSTRAINT_END
129};
130
69943182
SE		 131static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
132{
133 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
134 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
135 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
136 INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */
137 INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */
138 INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */
6113af14 139 INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */
69943182
SE		 140 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
141 INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
142 INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */
143 INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
144 INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
145 INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
93fcf72c 146
9010ae4a
SE		 147 /*
148 * When HT is off these events can only run on the bottom 4 counters
149 * When HT is on, they are impacted by the HT bug and require EXCL access
150 */
93fcf72c
MD		 151 INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
152 INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
153 INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
154 INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
155
69943182
SE		 156 EVENT_CONSTRAINT_END
157};
158
5c543e3c 159static struct extra_reg intel_westmere_extra_regs[] __read_mostly =
a7e3ed1e 160{
53ad0447
YZ		 161 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
162 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0),
163 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0xffff, RSP_1),
f20093ee 164 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b),
a7e3ed1e
AK		 165 EVENT_EXTRA_END
166};
167
0af3ac1f
AK		 168static struct event_constraint intel_v1_event_constraints[] __read_mostly =
169{
170 EVENT_CONSTRAINT_END
171};
172
5c543e3c 173static struct event_constraint intel_gen_event_constraints[] __read_mostly =
f22f54f4 174{
b622d644
PZ		 175 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
176 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
cd09c0c4 177 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
f22f54f4
PZ		 178 EVENT_CONSTRAINT_END
179};
180
1fa64180
YZ		 181static struct event_constraint intel_slm_event_constraints[] __read_mostly =
182{
183 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
184 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
1fa64180
YZ		 185 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */
186 EVENT_CONSTRAINT_END
187};
188
20f36278 189static struct event_constraint intel_skl_event_constraints[] = {
9a92e16f
AK		 190 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
191 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
192 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
193 INTEL_UEVENT_CONSTRAINT(0x1c0, 0x2), /* INST_RETIRED.PREC_DIST */
9010ae4a
SE		 194
195 /*
196 * when HT is off, these can only run on the bottom 4 counters
197 */
198 INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_INST_RETIRED.* */
199 INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_RETIRED.* */
200 INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_L3_HIT_RETIRED.* */
201 INTEL_EVENT_CONSTRAINT(0xcd, 0xf), /* MEM_TRANS_RETIRED.* */
202 INTEL_EVENT_CONSTRAINT(0xc6, 0xf), /* FRONTEND_RETIRED.* */
203
9a92e16f
AK		 204 EVENT_CONSTRAINT_END
205};
206
1e7b9390 207static struct extra_reg intel_knl_extra_regs[] __read_mostly = {
9c489fce
LO		 208 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x799ffbb6e7ull, RSP_0),
209 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x399ffbffe7ull, RSP_1),
1e7b9390
HC		 210 EVENT_EXTRA_END
211};
212
ee89cbc2 213static struct extra_reg intel_snb_extra_regs[] __read_mostly = {
53ad0447
YZ		 214 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
215 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0),
216 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1),
f20093ee 217 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
f1923820
SE		 218 EVENT_EXTRA_END
219};
220
221static struct extra_reg intel_snbep_extra_regs[] __read_mostly = {
53ad0447
YZ		 222 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
223 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
224 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
f1a52789 225 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
ee89cbc2
SE		 226 EVENT_EXTRA_END
227};
228
9a92e16f
AK		 229static struct extra_reg intel_skl_extra_regs[] __read_mostly = {
230 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
231 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
232 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
dfe1f3cb
AK		 233 /*
234 * Note the low 8 bits eventsel code is not a continuous field, containing
235 * some #GPing bits. These are masked out.
236 */
237 INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
9a92e16f
AK		 238 EVENT_EXTRA_END
239};
240
7f2ee91f
IM		 241EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=0x0b,umask=0x10,ldlat=3");
242EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=0xcd,umask=0x1,ldlat=3");
243EVENT_ATTR_STR(mem-stores, mem_st_snb, "event=0xcd,umask=0x2");
f20093ee 244
d4ae5529 245static struct attribute *nhm_mem_events_attrs[] = {
f20093ee
SE		 246 EVENT_PTR(mem_ld_nhm),
247 NULL,
248};
249
a39fcae7
AK		 250/*
251 * topdown events for Intel Core CPUs.
252 *
253 * The events are all in slots, which is a free slot in a 4 wide
254 * pipeline. Some events are already reported in slots, for cycle
255 * events we multiply by the pipeline width (4).
256 *
257 * With Hyper Threading on, topdown metrics are either summed or averaged
258 * between the threads of a core: (count_t0 + count_t1).
259 *
260 * For the average case the metric is always scaled to pipeline width,
261 * so we use factor 2 ((count_t0 + count_t1) / 2 * 4)
262 */
263
264EVENT_ATTR_STR_HT(topdown-total-slots, td_total_slots,
265 "event=0x3c,umask=0x0", /* cpu_clk_unhalted.thread */
266 "event=0x3c,umask=0x0,any=1"); /* cpu_clk_unhalted.thread_any */
267EVENT_ATTR_STR_HT(topdown-total-slots.scale, td_total_slots_scale, "4", "2");
268EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued,
269 "event=0xe,umask=0x1"); /* uops_issued.any */
270EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired,
271 "event=0xc2,umask=0x2"); /* uops_retired.retire_slots */
272EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles,
273 "event=0x9c,umask=0x1"); /* idq_uops_not_delivered_core */
274EVENT_ATTR_STR_HT(topdown-recovery-bubbles, td_recovery_bubbles,
275 "event=0xd,umask=0x3,cmask=1", /* int_misc.recovery_cycles */
276 "event=0xd,umask=0x3,cmask=1,any=1"); /* int_misc.recovery_cycles_any */
277EVENT_ATTR_STR_HT(topdown-recovery-bubbles.scale, td_recovery_bubbles_scale,
278 "4", "2");
279
20f36278 280static struct attribute *snb_events_attrs[] = {
a39fcae7
AK		 281 EVENT_PTR(td_slots_issued),
282 EVENT_PTR(td_slots_retired),
283 EVENT_PTR(td_fetch_bubbles),
284 EVENT_PTR(td_total_slots),
285 EVENT_PTR(td_total_slots_scale),
286 EVENT_PTR(td_recovery_bubbles),
287 EVENT_PTR(td_recovery_bubbles_scale),
f20093ee
SE		 288 NULL,
289};
290
d4ae5529
JO		 291static struct attribute *snb_mem_events_attrs[] = {
292 EVENT_PTR(mem_ld_snb),
293 EVENT_PTR(mem_st_snb),
294 NULL,
295};
296
3a632cb2
AK		 297static struct event_constraint intel_hsw_event_constraints[] = {
298 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
299 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
300 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
e0fbac1c 301 INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */
3a632cb2
AK		 302 INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
303 INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
304 /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
c420f19b 305 INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4),
3a632cb2 306 /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
c420f19b 307 INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4),
3a632cb2 308 /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
c420f19b 309 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf),
93fcf72c 310
9010ae4a
SE		 311 /*
312 * When HT is off these events can only run on the bottom 4 counters
313 * When HT is on, they are impacted by the HT bug and require EXCL access
314 */
93fcf72c
MD		 315 INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
316 INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
317 INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
318 INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
319
3a632cb2
AK		 320 EVENT_CONSTRAINT_END
321};
322
20f36278 323static struct event_constraint intel_bdw_event_constraints[] = {
91f1b705
AK		 324 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
325 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
326 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
327 INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */
b7883a1c 328 INTEL_UBIT_EVENT_CONSTRAINT(0x8a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_MISS */
9010ae4a
SE		 329 /*
330 * when HT is off, these can only run on the bottom 4 counters
331 */
332 INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_INST_RETIRED.* */
333 INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_RETIRED.* */
334 INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_L3_HIT_RETIRED.* */
335 INTEL_EVENT_CONSTRAINT(0xcd, 0xf), /* MEM_TRANS_RETIRED.* */
91f1b705
AK		 336 EVENT_CONSTRAINT_END
337};
338
f22f54f4
PZ		 339static u64 intel_pmu_event_map(int hw_event)
340{
341 return intel_perfmon_event_map[hw_event];
342}
343
9a92e16f
AK		 344/*
345 * Notes on the events:
346 * - data reads do not include code reads (comparable to earlier tables)
347 * - data counts include speculative execution (except L1 write, dtlb, bpu)
348 * - remote node access includes remote memory, remote cache, remote mmio.
349 * - prefetches are not included in the counts.
350 * - icache miss does not include decoded icache
351 */
352
353#define SKL_DEMAND_DATA_RD BIT_ULL(0)
354#define SKL_DEMAND_RFO BIT_ULL(1)
355#define SKL_ANY_RESPONSE BIT_ULL(16)
356#define SKL_SUPPLIER_NONE BIT_ULL(17)
357#define SKL_L3_MISS_LOCAL_DRAM BIT_ULL(26)
358#define SKL_L3_MISS_REMOTE_HOP0_DRAM BIT_ULL(27)
359#define SKL_L3_MISS_REMOTE_HOP1_DRAM BIT_ULL(28)
360#define SKL_L3_MISS_REMOTE_HOP2P_DRAM BIT_ULL(29)
361#define SKL_L3_MISS (SKL_L3_MISS_LOCAL_DRAM| \
362 SKL_L3_MISS_REMOTE_HOP0_DRAM| \
363 SKL_L3_MISS_REMOTE_HOP1_DRAM| \
364 SKL_L3_MISS_REMOTE_HOP2P_DRAM)
365#define SKL_SPL_HIT BIT_ULL(30)
366#define SKL_SNOOP_NONE BIT_ULL(31)
367#define SKL_SNOOP_NOT_NEEDED BIT_ULL(32)
368#define SKL_SNOOP_MISS BIT_ULL(33)
369#define SKL_SNOOP_HIT_NO_FWD BIT_ULL(34)
370#define SKL_SNOOP_HIT_WITH_FWD BIT_ULL(35)
371#define SKL_SNOOP_HITM BIT_ULL(36)
372#define SKL_SNOOP_NON_DRAM BIT_ULL(37)
373#define SKL_ANY_SNOOP (SKL_SPL_HIT|SKL_SNOOP_NONE| \
374 SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \
375 SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \
376 SKL_SNOOP_HITM|SKL_SNOOP_NON_DRAM)
377#define SKL_DEMAND_READ SKL_DEMAND_DATA_RD
378#define SKL_SNOOP_DRAM (SKL_SNOOP_NONE| \
379 SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \
380 SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \
381 SKL_SNOOP_HITM|SKL_SPL_HIT)
382#define SKL_DEMAND_WRITE SKL_DEMAND_RFO
383#define SKL_LLC_ACCESS SKL_ANY_RESPONSE
384#define SKL_L3_MISS_REMOTE (SKL_L3_MISS_REMOTE_HOP0_DRAM| \
385 SKL_L3_MISS_REMOTE_HOP1_DRAM| \
386 SKL_L3_MISS_REMOTE_HOP2P_DRAM)
387
388static __initconst const u64 skl_hw_cache_event_ids
389 [PERF_COUNT_HW_CACHE_MAX]
390 [PERF_COUNT_HW_CACHE_OP_MAX]
391 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
392{
393 [ C(L1D ) ] = {
394 [ C(OP_READ) ] = {
395 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */
396 [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */
397 },
398 [ C(OP_WRITE) ] = {
399 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */
400 [ C(RESULT_MISS) ] = 0x0,
401 },
402 [ C(OP_PREFETCH) ] = {
403 [ C(RESULT_ACCESS) ] = 0x0,
404 [ C(RESULT_MISS) ] = 0x0,
405 },
406 },
407 [ C(L1I ) ] = {
408 [ C(OP_READ) ] = {
409 [ C(RESULT_ACCESS) ] = 0x0,
410 [ C(RESULT_MISS) ] = 0x283, /* ICACHE_64B.MISS */
411 },
412 [ C(OP_WRITE) ] = {
413 [ C(RESULT_ACCESS) ] = -1,
414 [ C(RESULT_MISS) ] = -1,
415 },
416 [ C(OP_PREFETCH) ] = {
417 [ C(RESULT_ACCESS) ] = 0x0,
418 [ C(RESULT_MISS) ] = 0x0,
419 },
420 },
421 [ C(LL ) ] = {
422 [ C(OP_READ) ] = {
423 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
424 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
425 },
426 [ C(OP_WRITE) ] = {
427 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
428 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
429 },
430 [ C(OP_PREFETCH) ] = {
431 [ C(RESULT_ACCESS) ] = 0x0,
432 [ C(RESULT_MISS) ] = 0x0,
433 },
434 },
435 [ C(DTLB) ] = {
436 [ C(OP_READ) ] = {
437 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */
fb3a5055 438 [ C(RESULT_MISS) ] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */
9a92e16f
AK		 439 },
440 [ C(OP_WRITE) ] = {
441 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */
fb3a5055 442 [ C(RESULT_MISS) ] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */
9a92e16f
AK		 443 },
444 [ C(OP_PREFETCH) ] = {
445 [ C(RESULT_ACCESS) ] = 0x0,
446 [ C(RESULT_MISS) ] = 0x0,
447 },
448 },
449 [ C(ITLB) ] = {
450 [ C(OP_READ) ] = {
451 [ C(RESULT_ACCESS) ] = 0x2085, /* ITLB_MISSES.STLB_HIT */
452 [ C(RESULT_MISS) ] = 0xe85, /* ITLB_MISSES.WALK_COMPLETED */
453 },
454 [ C(OP_WRITE) ] = {
455 [ C(RESULT_ACCESS) ] = -1,
456 [ C(RESULT_MISS) ] = -1,
457 },
458 [ C(OP_PREFETCH) ] = {
459 [ C(RESULT_ACCESS) ] = -1,
460 [ C(RESULT_MISS) ] = -1,
461 },
462 },
463 [ C(BPU ) ] = {
464 [ C(OP_READ) ] = {
465 [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */
466 [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */
467 },
468 [ C(OP_WRITE) ] = {
469 [ C(RESULT_ACCESS) ] = -1,
470 [ C(RESULT_MISS) ] = -1,
471 },
472 [ C(OP_PREFETCH) ] = {
473 [ C(RESULT_ACCESS) ] = -1,
474 [ C(RESULT_MISS) ] = -1,
475 },
476 },
477 [ C(NODE) ] = {
478 [ C(OP_READ) ] = {
479 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
480 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
481 },
482 [ C(OP_WRITE) ] = {
483 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
484 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
485 },
486 [ C(OP_PREFETCH) ] = {
487 [ C(RESULT_ACCESS) ] = 0x0,
488 [ C(RESULT_MISS) ] = 0x0,
489 },
490 },
491};
492
493static __initconst const u64 skl_hw_cache_extra_regs
494 [PERF_COUNT_HW_CACHE_MAX]
495 [PERF_COUNT_HW_CACHE_OP_MAX]
496 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
497{
498 [ C(LL ) ] = {
499 [ C(OP_READ) ] = {
500 [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ|
501 SKL_LLC_ACCESS|SKL_ANY_SNOOP,
502 [ C(RESULT_MISS) ] = SKL_DEMAND_READ|
503 SKL_L3_MISS|SKL_ANY_SNOOP|
504 SKL_SUPPLIER_NONE,
505 },
506 [ C(OP_WRITE) ] = {
507 [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE|
508 SKL_LLC_ACCESS|SKL_ANY_SNOOP,
509 [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE|
510 SKL_L3_MISS|SKL_ANY_SNOOP|
511 SKL_SUPPLIER_NONE,
512 },
513 [ C(OP_PREFETCH) ] = {
514 [ C(RESULT_ACCESS) ] = 0x0,
515 [ C(RESULT_MISS) ] = 0x0,
516 },
517 },
518 [ C(NODE) ] = {
519 [ C(OP_READ) ] = {
520 [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ|
521 SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM,
522 [ C(RESULT_MISS) ] = SKL_DEMAND_READ|
523 SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM,
524 },
525 [ C(OP_WRITE) ] = {
526 [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE|
527 SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM,
528 [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE|
529 SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM,
530 },
531 [ C(OP_PREFETCH) ] = {
532 [ C(RESULT_ACCESS) ] = 0x0,
533 [ C(RESULT_MISS) ] = 0x0,
534 },
535 },
536};
537
74e6543f
YZ		 538#define SNB_DMND_DATA_RD (1ULL << 0)
539#define SNB_DMND_RFO (1ULL << 1)
540#define SNB_DMND_IFETCH (1ULL << 2)
541#define SNB_DMND_WB (1ULL << 3)
542#define SNB_PF_DATA_RD (1ULL << 4)
543#define SNB_PF_RFO (1ULL << 5)
544#define SNB_PF_IFETCH (1ULL << 6)
545#define SNB_LLC_DATA_RD (1ULL << 7)
546#define SNB_LLC_RFO (1ULL << 8)
547#define SNB_LLC_IFETCH (1ULL << 9)
548#define SNB_BUS_LOCKS (1ULL << 10)
549#define SNB_STRM_ST (1ULL << 11)
550#define SNB_OTHER (1ULL << 15)
551#define SNB_RESP_ANY (1ULL << 16)
552#define SNB_NO_SUPP (1ULL << 17)
553#define SNB_LLC_HITM (1ULL << 18)
554#define SNB_LLC_HITE (1ULL << 19)
555#define SNB_LLC_HITS (1ULL << 20)
556#define SNB_LLC_HITF (1ULL << 21)
557#define SNB_LOCAL (1ULL << 22)
558#define SNB_REMOTE (0xffULL << 23)
559#define SNB_SNP_NONE (1ULL << 31)
560#define SNB_SNP_NOT_NEEDED (1ULL << 32)
561#define SNB_SNP_MISS (1ULL << 33)
562#define SNB_NO_FWD (1ULL << 34)
563#define SNB_SNP_FWD (1ULL << 35)
564#define SNB_HITM (1ULL << 36)
565#define SNB_NON_DRAM (1ULL << 37)
566
567#define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD)
568#define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO)
569#define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
570
571#define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \
572 SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \
573 SNB_HITM)
574
575#define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY)
576#define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY)
577
578#define SNB_L3_ACCESS SNB_RESP_ANY
579#define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM)
580
581static __initconst const u64 snb_hw_cache_extra_regs
582 [PERF_COUNT_HW_CACHE_MAX]
583 [PERF_COUNT_HW_CACHE_OP_MAX]
584 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
585{
586 [ C(LL ) ] = {
587 [ C(OP_READ) ] = {
588 [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS,
589 [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS,
590 },
591 [ C(OP_WRITE) ] = {
592 [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS,
593 [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS,
594 },
595 [ C(OP_PREFETCH) ] = {
596 [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS,
597 [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS,
598 },
599 },
600 [ C(NODE) ] = {
601 [ C(OP_READ) ] = {
602 [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY,
603 [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE,
604 },
605 [ C(OP_WRITE) ] = {
606 [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY,
607 [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE,
608 },
609 [ C(OP_PREFETCH) ] = {
610 [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY,
611 [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE,
612 },
613 },
614};
615
b06b3d49
LM		 616static __initconst const u64 snb_hw_cache_event_ids
617 [PERF_COUNT_HW_CACHE_MAX]
618 [PERF_COUNT_HW_CACHE_OP_MAX]
619 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
620{
621 [ C(L1D) ] = {
622 [ C(OP_READ) ] = {
623 [ C(RESULT_ACCESS) ] = 0xf1d0, /* MEM_UOP_RETIRED.LOADS */
624 [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPLACEMENT */
625 },
626 [ C(OP_WRITE) ] = {
627 [ C(RESULT_ACCESS) ] = 0xf2d0, /* MEM_UOP_RETIRED.STORES */
628 [ C(RESULT_MISS) ] = 0x0851, /* L1D.ALL_M_REPLACEMENT */
629 },
630 [ C(OP_PREFETCH) ] = {
631 [ C(RESULT_ACCESS) ] = 0x0,
632 [ C(RESULT_MISS) ] = 0x024e, /* HW_PRE_REQ.DL1_MISS */
633 },
634 },
635 [ C(L1I ) ] = {
636 [ C(OP_READ) ] = {
637 [ C(RESULT_ACCESS) ] = 0x0,
638 [ C(RESULT_MISS) ] = 0x0280, /* ICACHE.MISSES */
639 },
640 [ C(OP_WRITE) ] = {
641 [ C(RESULT_ACCESS) ] = -1,
642 [ C(RESULT_MISS) ] = -1,
643 },
644 [ C(OP_PREFETCH) ] = {
645 [ C(RESULT_ACCESS) ] = 0x0,
646 [ C(RESULT_MISS) ] = 0x0,
647 },
648 },
649 [ C(LL ) ] = {
b06b3d49 650 [ C(OP_READ) ] = {
63b6a675 651 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
b06b3d49 652 [ C(RESULT_ACCESS) ] = 0x01b7,
63b6a675
PZ		 653 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
654 [ C(RESULT_MISS) ] = 0x01b7,
b06b3d49
LM		 655 },
656 [ C(OP_WRITE) ] = {
63b6a675 657 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
b06b3d49 658 [ C(RESULT_ACCESS) ] = 0x01b7,
63b6a675
PZ		 659 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
660 [ C(RESULT_MISS) ] = 0x01b7,
b06b3d49
LM		 661 },
662 [ C(OP_PREFETCH) ] = {
63b6a675 663 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
b06b3d49 664 [ C(RESULT_ACCESS) ] = 0x01b7,
63b6a675
PZ		 665 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
666 [ C(RESULT_MISS) ] = 0x01b7,
b06b3d49
LM		 667 },
668 },
669 [ C(DTLB) ] = {
670 [ C(OP_READ) ] = {
671 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */
672 [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */
673 },
674 [ C(OP_WRITE) ] = {
675 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOP_RETIRED.ALL_STORES */
676 [ C(RESULT_MISS) ] = 0x0149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
677 },
678 [ C(OP_PREFETCH) ] = {
679 [ C(RESULT_ACCESS) ] = 0x0,
680 [ C(RESULT_MISS) ] = 0x0,
681 },
682 },
683 [ C(ITLB) ] = {
684 [ C(OP_READ) ] = {
685 [ C(RESULT_ACCESS) ] = 0x1085, /* ITLB_MISSES.STLB_HIT */
686 [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.CAUSES_A_WALK */
687 },
688 [ C(OP_WRITE) ] = {
689 [ C(RESULT_ACCESS) ] = -1,
690 [ C(RESULT_MISS) ] = -1,
691 },
692 [ C(OP_PREFETCH) ] = {
693 [ C(RESULT_ACCESS) ] = -1,
694 [ C(RESULT_MISS) ] = -1,
695 },
696 },
697 [ C(BPU ) ] = {
698 [ C(OP_READ) ] = {
699 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
700 [ C(RESULT_MISS) ] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
701 },
702 [ C(OP_WRITE) ] = {
703 [ C(RESULT_ACCESS) ] = -1,
704 [ C(RESULT_MISS) ] = -1,
705 },
706 [ C(OP_PREFETCH) ] = {
707 [ C(RESULT_ACCESS) ] = -1,
708 [ C(RESULT_MISS) ] = -1,
709 },
710 },
89d6c0b5
PZ		 711 [ C(NODE) ] = {
712 [ C(OP_READ) ] = {
74e6543f
YZ		 713 [ C(RESULT_ACCESS) ] = 0x01b7,
714 [ C(RESULT_MISS) ] = 0x01b7,
89d6c0b5
PZ		 715 },
716 [ C(OP_WRITE) ] = {
74e6543f
YZ		 717 [ C(RESULT_ACCESS) ] = 0x01b7,
718 [ C(RESULT_MISS) ] = 0x01b7,
89d6c0b5
PZ		 719 },
720 [ C(OP_PREFETCH) ] = {
74e6543f
YZ		 721 [ C(RESULT_ACCESS) ] = 0x01b7,
722 [ C(RESULT_MISS) ] = 0x01b7,
89d6c0b5
PZ		 723 },
724 },
725
b06b3d49
LM		 726};
727
0f1b5ca2
AK		 728/*
729 * Notes on the events:
730 * - data reads do not include code reads (comparable to earlier tables)
731 * - data counts include speculative execution (except L1 write, dtlb, bpu)
732 * - remote node access includes remote memory, remote cache, remote mmio.
733 * - prefetches are not included in the counts because they are not
734 * reliably counted.
735 */
736
737#define HSW_DEMAND_DATA_RD BIT_ULL(0)
738#define HSW_DEMAND_RFO BIT_ULL(1)
739#define HSW_ANY_RESPONSE BIT_ULL(16)
740#define HSW_SUPPLIER_NONE BIT_ULL(17)
741#define HSW_L3_MISS_LOCAL_DRAM BIT_ULL(22)
742#define HSW_L3_MISS_REMOTE_HOP0 BIT_ULL(27)
743#define HSW_L3_MISS_REMOTE_HOP1 BIT_ULL(28)
744#define HSW_L3_MISS_REMOTE_HOP2P BIT_ULL(29)
745#define HSW_L3_MISS (HSW_L3_MISS_LOCAL_DRAM| \
746 HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \
747 HSW_L3_MISS_REMOTE_HOP2P)
748#define HSW_SNOOP_NONE BIT_ULL(31)
749#define HSW_SNOOP_NOT_NEEDED BIT_ULL(32)
750#define HSW_SNOOP_MISS BIT_ULL(33)
751#define HSW_SNOOP_HIT_NO_FWD BIT_ULL(34)
752#define HSW_SNOOP_HIT_WITH_FWD BIT_ULL(35)
753#define HSW_SNOOP_HITM BIT_ULL(36)
754#define HSW_SNOOP_NON_DRAM BIT_ULL(37)
755#define HSW_ANY_SNOOP (HSW_SNOOP_NONE| \
756 HSW_SNOOP_NOT_NEEDED|HSW_SNOOP_MISS| \
757 HSW_SNOOP_HIT_NO_FWD|HSW_SNOOP_HIT_WITH_FWD| \
758 HSW_SNOOP_HITM|HSW_SNOOP_NON_DRAM)
759#define HSW_SNOOP_DRAM (HSW_ANY_SNOOP & ~HSW_SNOOP_NON_DRAM)
760#define HSW_DEMAND_READ HSW_DEMAND_DATA_RD
761#define HSW_DEMAND_WRITE HSW_DEMAND_RFO
762#define HSW_L3_MISS_REMOTE (HSW_L3_MISS_REMOTE_HOP0|\
763 HSW_L3_MISS_REMOTE_HOP1|HSW_L3_MISS_REMOTE_HOP2P)
764#define HSW_LLC_ACCESS HSW_ANY_RESPONSE
765
91f1b705
AK		 766#define BDW_L3_MISS_LOCAL BIT(26)
767#define BDW_L3_MISS (BDW_L3_MISS_LOCAL| \
768 HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \
769 HSW_L3_MISS_REMOTE_HOP2P)
770
771
0f1b5ca2
AK		 772static __initconst const u64 hsw_hw_cache_event_ids
773 [PERF_COUNT_HW_CACHE_MAX]
774 [PERF_COUNT_HW_CACHE_OP_MAX]
775 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
776{
777 [ C(L1D ) ] = {
778 [ C(OP_READ) ] = {
779 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
780 [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */
781 },
782 [ C(OP_WRITE) ] = {
783 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
784 [ C(RESULT_MISS) ] = 0x0,
785 },
786 [ C(OP_PREFETCH) ] = {
787 [ C(RESULT_ACCESS) ] = 0x0,
788 [ C(RESULT_MISS) ] = 0x0,
789 },
790 },
791 [ C(L1I ) ] = {
792 [ C(OP_READ) ] = {
793 [ C(RESULT_ACCESS) ] = 0x0,
794 [ C(RESULT_MISS) ] = 0x280, /* ICACHE.MISSES */
795 },
796 [ C(OP_WRITE) ] = {
797 [ C(RESULT_ACCESS) ] = -1,
798 [ C(RESULT_MISS) ] = -1,
799 },
800 [ C(OP_PREFETCH) ] = {
801 [ C(RESULT_ACCESS) ] = 0x0,
802 [ C(RESULT_MISS) ] = 0x0,
803 },
804 },
805 [ C(LL ) ] = {
806 [ C(OP_READ) ] = {
807 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
808 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
809 },
810 [ C(OP_WRITE) ] = {
811 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
812 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
813 },
814 [ C(OP_PREFETCH) ] = {
815 [ C(RESULT_ACCESS) ] = 0x0,
816 [ C(RESULT_MISS) ] = 0x0,
817 },
818 },
819 [ C(DTLB) ] = {
820 [ C(OP_READ) ] = {
821 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
822 [ C(RESULT_MISS) ] = 0x108, /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */
823 },
824 [ C(OP_WRITE) ] = {
825 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
826 [ C(RESULT_MISS) ] = 0x149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
827 },
828 [ C(OP_PREFETCH) ] = {
829 [ C(RESULT_ACCESS) ] = 0x0,
830 [ C(RESULT_MISS) ] = 0x0,
831 },
832 },
833 [ C(ITLB) ] = {
834 [ C(OP_READ) ] = {
835 [ C(RESULT_ACCESS) ] = 0x6085, /* ITLB_MISSES.STLB_HIT */
836 [ C(RESULT_MISS) ] = 0x185, /* ITLB_MISSES.MISS_CAUSES_A_WALK */
837 },
838 [ C(OP_WRITE) ] = {
839 [ C(RESULT_ACCESS) ] = -1,
840 [ C(RESULT_MISS) ] = -1,
841 },
842 [ C(OP_PREFETCH) ] = {
843 [ C(RESULT_ACCESS) ] = -1,
844 [ C(RESULT_MISS) ] = -1,
845 },
846 },
847 [ C(BPU ) ] = {
848 [ C(OP_READ) ] = {
849 [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */
850 [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */
851 },
852 [ C(OP_WRITE) ] = {
853 [ C(RESULT_ACCESS) ] = -1,
854 [ C(RESULT_MISS) ] = -1,
855 },
856 [ C(OP_PREFETCH) ] = {
857 [ C(RESULT_ACCESS) ] = -1,
858 [ C(RESULT_MISS) ] = -1,
859 },
860 },
861 [ C(NODE) ] = {
862 [ C(OP_READ) ] = {
863 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
864 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
865 },
866 [ C(OP_WRITE) ] = {
867 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
868 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
869 },
870 [ C(OP_PREFETCH) ] = {
871 [ C(RESULT_ACCESS) ] = 0x0,
872 [ C(RESULT_MISS) ] = 0x0,
873 },
874 },
875};
876
877static __initconst const u64 hsw_hw_cache_extra_regs
878 [PERF_COUNT_HW_CACHE_MAX]
879 [PERF_COUNT_HW_CACHE_OP_MAX]
880 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
881{
882 [ C(LL ) ] = {
883 [ C(OP_READ) ] = {
884 [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ|
885 HSW_LLC_ACCESS,
886 [ C(RESULT_MISS) ] = HSW_DEMAND_READ|
887 HSW_L3_MISS|HSW_ANY_SNOOP,
888 },
889 [ C(OP_WRITE) ] = {
890 [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE|
891 HSW_LLC_ACCESS,
892 [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE|
893 HSW_L3_MISS|HSW_ANY_SNOOP,
894 },
895 [ C(OP_PREFETCH) ] = {
896 [ C(RESULT_ACCESS) ] = 0x0,
897 [ C(RESULT_MISS) ] = 0x0,
898 },
899 },
900 [ C(NODE) ] = {
901 [ C(OP_READ) ] = {
902 [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ|
903 HSW_L3_MISS_LOCAL_DRAM|
904 HSW_SNOOP_DRAM,
905 [ C(RESULT_MISS) ] = HSW_DEMAND_READ|
906 HSW_L3_MISS_REMOTE|
907 HSW_SNOOP_DRAM,
908 },
909 [ C(OP_WRITE) ] = {
910 [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE|
911 HSW_L3_MISS_LOCAL_DRAM|
912 HSW_SNOOP_DRAM,
913 [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE|
914 HSW_L3_MISS_REMOTE|
915 HSW_SNOOP_DRAM,
916 },
917 [ C(OP_PREFETCH) ] = {
918 [ C(RESULT_ACCESS) ] = 0x0,
919 [ C(RESULT_MISS) ] = 0x0,
920 },
921 },
922};
923
caaa8be3 924static __initconst const u64 westmere_hw_cache_event_ids
f22f54f4
PZ		 925 [PERF_COUNT_HW_CACHE_MAX]
926 [PERF_COUNT_HW_CACHE_OP_MAX]
927 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
928{
929 [ C(L1D) ] = {
930 [ C(OP_READ) ] = {
931 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
932 [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */
933 },
934 [ C(OP_WRITE) ] = {
935 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
936 [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */
937 },
938 [ C(OP_PREFETCH) ] = {
939 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */
940 [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */
941 },
942 },
943 [ C(L1I ) ] = {
944 [ C(OP_READ) ] = {
945 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */
946 [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */
947 },
948 [ C(OP_WRITE) ] = {
949 [ C(RESULT_ACCESS) ] = -1,
950 [ C(RESULT_MISS) ] = -1,
951 },
952 [ C(OP_PREFETCH) ] = {
953 [ C(RESULT_ACCESS) ] = 0x0,
954 [ C(RESULT_MISS) ] = 0x0,
955 },
956 },
957 [ C(LL ) ] = {
958 [ C(OP_READ) ] = {
63b6a675 959 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
e994d7d2 960 [ C(RESULT_ACCESS) ] = 0x01b7,
63b6a675
PZ		 961 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
962 [ C(RESULT_MISS) ] = 0x01b7,
f22f54f4 963 },
e994d7d2
AK		 964 /*
965 * Use RFO, not WRITEBACK, because a write miss would typically occur
966 * on RFO.
967 */
f22f54f4 968 [ C(OP_WRITE) ] = {
63b6a675
PZ		 969 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
970 [ C(RESULT_ACCESS) ] = 0x01b7,
971 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
e994d7d2 972 [ C(RESULT_MISS) ] = 0x01b7,
f22f54f4
PZ		 973 },
974 [ C(OP_PREFETCH) ] = {
63b6a675 975 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
e994d7d2 976 [ C(RESULT_ACCESS) ] = 0x01b7,
63b6a675
PZ		 977 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
978 [ C(RESULT_MISS) ] = 0x01b7,
f22f54f4
PZ		 979 },
980 },
981 [ C(DTLB) ] = {
982 [ C(OP_READ) ] = {
983 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
984 [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */
985 },
986 [ C(OP_WRITE) ] = {
987 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
988 [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */
989 },
990 [ C(OP_PREFETCH) ] = {
991 [ C(RESULT_ACCESS) ] = 0x0,
992 [ C(RESULT_MISS) ] = 0x0,
993 },
994 },
995 [ C(ITLB) ] = {
996 [ C(OP_READ) ] = {
997 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */
998 [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.ANY */
999 },
1000 [ C(OP_WRITE) ] = {
1001 [ C(RESULT_ACCESS) ] = -1,
1002 [ C(RESULT_MISS) ] = -1,
1003 },
1004 [ C(OP_PREFETCH) ] = {
1005 [ C(RESULT_ACCESS) ] = -1,
1006 [ C(RESULT_MISS) ] = -1,
1007 },
1008 },
1009 [ C(BPU ) ] = {
1010 [ C(OP_READ) ] = {
1011 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1012 [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */
1013 },
1014 [ C(OP_WRITE) ] = {
1015 [ C(RESULT_ACCESS) ] = -1,
1016 [ C(RESULT_MISS) ] = -1,
1017 },
1018 [ C(OP_PREFETCH) ] = {
1019 [ C(RESULT_ACCESS) ] = -1,
1020 [ C(RESULT_MISS) ] = -1,
1021 },
1022 },
89d6c0b5
PZ		 1023 [ C(NODE) ] = {
1024 [ C(OP_READ) ] = {
1025 [ C(RESULT_ACCESS) ] = 0x01b7,
1026 [ C(RESULT_MISS) ] = 0x01b7,
1027 },
1028 [ C(OP_WRITE) ] = {
1029 [ C(RESULT_ACCESS) ] = 0x01b7,
1030 [ C(RESULT_MISS) ] = 0x01b7,
1031 },
1032 [ C(OP_PREFETCH) ] = {
1033 [ C(RESULT_ACCESS) ] = 0x01b7,
1034 [ C(RESULT_MISS) ] = 0x01b7,
1035 },
1036 },
f22f54f4
PZ		 1037};
1038
e994d7d2 1039/*
63b6a675
PZ		 1040 * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits;
1041 * See IA32 SDM Vol 3B 30.6.1.3
e994d7d2
AK		 1042 */
1043
63b6a675
PZ		 1044#define NHM_DMND_DATA_RD (1 << 0)
1045#define NHM_DMND_RFO (1 << 1)
1046#define NHM_DMND_IFETCH (1 << 2)
1047#define NHM_DMND_WB (1 << 3)
1048#define NHM_PF_DATA_RD (1 << 4)
1049#define NHM_PF_DATA_RFO (1 << 5)
1050#define NHM_PF_IFETCH (1 << 6)
1051#define NHM_OFFCORE_OTHER (1 << 7)
1052#define NHM_UNCORE_HIT (1 << 8)
1053#define NHM_OTHER_CORE_HIT_SNP (1 << 9)
1054#define NHM_OTHER_CORE_HITM (1 << 10)
1055 /* reserved */
1056#define NHM_REMOTE_CACHE_FWD (1 << 12)
1057#define NHM_REMOTE_DRAM (1 << 13)
1058#define NHM_LOCAL_DRAM (1 << 14)
1059#define NHM_NON_DRAM (1 << 15)
1060
87e24f4b
PZ		 1061#define NHM_LOCAL (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD)
1062#define NHM_REMOTE (NHM_REMOTE_DRAM)
63b6a675
PZ		 1063
1064#define NHM_DMND_READ (NHM_DMND_DATA_RD)
1065#define NHM_DMND_WRITE (NHM_DMND_RFO|NHM_DMND_WB)
1066#define NHM_DMND_PREFETCH (NHM_PF_DATA_RD|NHM_PF_DATA_RFO)
1067
1068#define NHM_L3_HIT (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM)
87e24f4b 1069#define NHM_L3_MISS (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD)
63b6a675 1070#define NHM_L3_ACCESS (NHM_L3_HIT|NHM_L3_MISS)
e994d7d2
AK		 1071
1072static __initconst const u64 nehalem_hw_cache_extra_regs
1073 [PERF_COUNT_HW_CACHE_MAX]
1074 [PERF_COUNT_HW_CACHE_OP_MAX]
1075 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1076{
1077 [ C(LL ) ] = {
1078 [ C(OP_READ) ] = {
63b6a675
PZ		 1079 [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS,
1080 [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_L3_MISS,
e994d7d2
AK		 1081 },
1082 [ C(OP_WRITE) ] = {
63b6a675
PZ		 1083 [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS,
1084 [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_L3_MISS,
e994d7d2
AK		 1085 },
1086 [ C(OP_PREFETCH) ] = {
63b6a675
PZ		 1087 [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS,
1088 [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_L3_MISS,
e994d7d2 1089 },
89d6c0b5
PZ		 1090 },
1091 [ C(NODE) ] = {
1092 [ C(OP_READ) ] = {
87e24f4b
PZ		 1093 [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE,
1094 [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_REMOTE,
89d6c0b5
PZ		 1095 },
1096 [ C(OP_WRITE) ] = {
87e24f4b
PZ		 1097 [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE,
1098 [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_REMOTE,
89d6c0b5
PZ		 1099 },
1100 [ C(OP_PREFETCH) ] = {
87e24f4b
PZ		 1101 [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE,
1102 [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_REMOTE,
89d6c0b5
PZ		 1103 },
1104 },
e994d7d2
AK		 1105};
1106
caaa8be3 1107static __initconst const u64 nehalem_hw_cache_event_ids
f22f54f4
PZ		 1108 [PERF_COUNT_HW_CACHE_MAX]
1109 [PERF_COUNT_HW_CACHE_OP_MAX]
1110 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1111{
1112 [ C(L1D) ] = {
1113 [ C(OP_READ) ] = {
f4929bd3
PZ		 1114 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
1115 [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */
f22f54f4
PZ		 1116 },
1117 [ C(OP_WRITE) ] = {
f4929bd3
PZ		 1118 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
1119 [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */
f22f54f4
PZ		 1120 },
1121 [ C(OP_PREFETCH) ] = {
1122 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */
1123 [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */
1124 },
1125 },
1126 [ C(L1I ) ] = {
1127 [ C(OP_READ) ] = {
1128 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */
1129 [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */
1130 },
1131 [ C(OP_WRITE) ] = {
1132 [ C(RESULT_ACCESS) ] = -1,
1133 [ C(RESULT_MISS) ] = -1,
1134 },
1135 [ C(OP_PREFETCH) ] = {
1136 [ C(RESULT_ACCESS) ] = 0x0,
1137 [ C(RESULT_MISS) ] = 0x0,
1138 },
1139 },
1140 [ C(LL ) ] = {
1141 [ C(OP_READ) ] = {
e994d7d2
AK		 1142 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1143 [ C(RESULT_ACCESS) ] = 0x01b7,
1144 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
1145 [ C(RESULT_MISS) ] = 0x01b7,
f22f54f4 1146 },
e994d7d2
AK		 1147 /*
1148 * Use RFO, not WRITEBACK, because a write miss would typically occur
1149 * on RFO.
1150 */
f22f54f4 1151 [ C(OP_WRITE) ] = {
e994d7d2
AK		 1152 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1153 [ C(RESULT_ACCESS) ] = 0x01b7,
1154 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1155 [ C(RESULT_MISS) ] = 0x01b7,
f22f54f4
PZ		 1156 },
1157 [ C(OP_PREFETCH) ] = {
e994d7d2
AK		 1158 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1159 [ C(RESULT_ACCESS) ] = 0x01b7,
1160 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1161 [ C(RESULT_MISS) ] = 0x01b7,
f22f54f4
PZ		 1162 },
1163 },
1164 [ C(DTLB) ] = {
1165 [ C(OP_READ) ] = {
1166 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */
1167 [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */
1168 },
1169 [ C(OP_WRITE) ] = {
1170 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */
1171 [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */
1172 },
1173 [ C(OP_PREFETCH) ] = {
1174 [ C(RESULT_ACCESS) ] = 0x0,
1175 [ C(RESULT_MISS) ] = 0x0,
1176 },
1177 },
1178 [ C(ITLB) ] = {
1179 [ C(OP_READ) ] = {
1180 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */
1181 [ C(RESULT_MISS) ] = 0x20c8, /* ITLB_MISS_RETIRED */
1182 },
1183 [ C(OP_WRITE) ] = {
1184 [ C(RESULT_ACCESS) ] = -1,
1185 [ C(RESULT_MISS) ] = -1,
1186 },
1187 [ C(OP_PREFETCH) ] = {
1188 [ C(RESULT_ACCESS) ] = -1,
1189 [ C(RESULT_MISS) ] = -1,
1190 },
1191 },
1192 [ C(BPU ) ] = {
1193 [ C(OP_READ) ] = {
1194 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1195 [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */
1196 },
1197 [ C(OP_WRITE) ] = {
1198 [ C(RESULT_ACCESS) ] = -1,
1199 [ C(RESULT_MISS) ] = -1,
1200 },
1201 [ C(OP_PREFETCH) ] = {
1202 [ C(RESULT_ACCESS) ] = -1,
1203 [ C(RESULT_MISS) ] = -1,
1204 },
1205 },
89d6c0b5
PZ		 1206 [ C(NODE) ] = {
1207 [ C(OP_READ) ] = {
1208 [ C(RESULT_ACCESS) ] = 0x01b7,
1209 [ C(RESULT_MISS) ] = 0x01b7,
1210 },
1211 [ C(OP_WRITE) ] = {
1212 [ C(RESULT_ACCESS) ] = 0x01b7,
1213 [ C(RESULT_MISS) ] = 0x01b7,
1214 },
1215 [ C(OP_PREFETCH) ] = {
1216 [ C(RESULT_ACCESS) ] = 0x01b7,
1217 [ C(RESULT_MISS) ] = 0x01b7,
1218 },
1219 },
f22f54f4
PZ		 1220};
1221
caaa8be3 1222static __initconst const u64 core2_hw_cache_event_ids
f22f54f4
PZ		 1223 [PERF_COUNT_HW_CACHE_MAX]
1224 [PERF_COUNT_HW_CACHE_OP_MAX]
1225 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1226{
1227 [ C(L1D) ] = {
1228 [ C(OP_READ) ] = {
1229 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI */
1230 [ C(RESULT_MISS) ] = 0x0140, /* L1D_CACHE_LD.I_STATE */
1231 },
1232 [ C(OP_WRITE) ] = {
1233 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI */
1234 [ C(RESULT_MISS) ] = 0x0141, /* L1D_CACHE_ST.I_STATE */
1235 },
1236 [ C(OP_PREFETCH) ] = {
1237 [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS */
1238 [ C(RESULT_MISS) ] = 0,
1239 },
1240 },
1241 [ C(L1I ) ] = {
1242 [ C(OP_READ) ] = {
1243 [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS */
1244 [ C(RESULT_MISS) ] = 0x0081, /* L1I.MISSES */
1245 },
1246 [ C(OP_WRITE) ] = {
1247 [ C(RESULT_ACCESS) ] = -1,
1248 [ C(RESULT_MISS) ] = -1,
1249 },
1250 [ C(OP_PREFETCH) ] = {
1251 [ C(RESULT_ACCESS) ] = 0,
1252 [ C(RESULT_MISS) ] = 0,
1253 },
1254 },
1255 [ C(LL ) ] = {
1256 [ C(OP_READ) ] = {
1257 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */
1258 [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */
1259 },
1260 [ C(OP_WRITE) ] = {
1261 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */
1262 [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */
1263 },
1264 [ C(OP_PREFETCH) ] = {
1265 [ C(RESULT_ACCESS) ] = 0,
1266 [ C(RESULT_MISS) ] = 0,
1267 },
1268 },
1269 [ C(DTLB) ] = {
1270 [ C(OP_READ) ] = {
1271 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */
1272 [ C(RESULT_MISS) ] = 0x0208, /* DTLB_MISSES.MISS_LD */
1273 },
1274 [ C(OP_WRITE) ] = {
1275 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */
1276 [ C(RESULT_MISS) ] = 0x0808, /* DTLB_MISSES.MISS_ST */
1277 },
1278 [ C(OP_PREFETCH) ] = {
1279 [ C(RESULT_ACCESS) ] = 0,
1280 [ C(RESULT_MISS) ] = 0,
1281 },
1282 },
1283 [ C(ITLB) ] = {
1284 [ C(OP_READ) ] = {
1285 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
1286 [ C(RESULT_MISS) ] = 0x1282, /* ITLBMISSES */
1287 },
1288 [ C(OP_WRITE) ] = {
1289 [ C(RESULT_ACCESS) ] = -1,
1290 [ C(RESULT_MISS) ] = -1,
1291 },
1292 [ C(OP_PREFETCH) ] = {
1293 [ C(RESULT_ACCESS) ] = -1,
1294 [ C(RESULT_MISS) ] = -1,
1295 },
1296 },
1297 [ C(BPU ) ] = {
1298 [ C(OP_READ) ] = {
1299 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1300 [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1301 },
1302 [ C(OP_WRITE) ] = {
1303 [ C(RESULT_ACCESS) ] = -1,
1304 [ C(RESULT_MISS) ] = -1,
1305 },
1306 [ C(OP_PREFETCH) ] = {
1307 [ C(RESULT_ACCESS) ] = -1,
1308 [ C(RESULT_MISS) ] = -1,
1309 },
1310 },
1311};
1312
caaa8be3 1313static __initconst const u64 atom_hw_cache_event_ids
f22f54f4
PZ		 1314 [PERF_COUNT_HW_CACHE_MAX]
1315 [PERF_COUNT_HW_CACHE_OP_MAX]
1316 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1317{
1318 [ C(L1D) ] = {
1319 [ C(OP_READ) ] = {
1320 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD */
1321 [ C(RESULT_MISS) ] = 0,
1322 },
1323 [ C(OP_WRITE) ] = {
1324 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST */
1325 [ C(RESULT_MISS) ] = 0,
1326 },
1327 [ C(OP_PREFETCH) ] = {
1328 [ C(RESULT_ACCESS) ] = 0x0,
1329 [ C(RESULT_MISS) ] = 0,
1330 },
1331 },
1332 [ C(L1I ) ] = {
1333 [ C(OP_READ) ] = {
1334 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */
1335 [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */
1336 },
1337 [ C(OP_WRITE) ] = {
1338 [ C(RESULT_ACCESS) ] = -1,
1339 [ C(RESULT_MISS) ] = -1,
1340 },
1341 [ C(OP_PREFETCH) ] = {
1342 [ C(RESULT_ACCESS) ] = 0,
1343 [ C(RESULT_MISS) ] = 0,
1344 },
1345 },
1346 [ C(LL ) ] = {
1347 [ C(OP_READ) ] = {
1348 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */
1349 [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */
1350 },
1351 [ C(OP_WRITE) ] = {
1352 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */
1353 [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */
1354 },
1355 [ C(OP_PREFETCH) ] = {
1356 [ C(RESULT_ACCESS) ] = 0,
1357 [ C(RESULT_MISS) ] = 0,
1358 },
1359 },
1360 [ C(DTLB) ] = {
1361 [ C(OP_READ) ] = {
1362 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI (alias) */
1363 [ C(RESULT_MISS) ] = 0x0508, /* DTLB_MISSES.MISS_LD */
1364 },
1365 [ C(OP_WRITE) ] = {
1366 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI (alias) */
1367 [ C(RESULT_MISS) ] = 0x0608, /* DTLB_MISSES.MISS_ST */
1368 },
1369 [ C(OP_PREFETCH) ] = {
1370 [ C(RESULT_ACCESS) ] = 0,
1371 [ C(RESULT_MISS) ] = 0,
1372 },
1373 },
1374 [ C(ITLB) ] = {
1375 [ C(OP_READ) ] = {
1376 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
1377 [ C(RESULT_MISS) ] = 0x0282, /* ITLB.MISSES */
1378 },
1379 [ C(OP_WRITE) ] = {
1380 [ C(RESULT_ACCESS) ] = -1,
1381 [ C(RESULT_MISS) ] = -1,
1382 },
1383 [ C(OP_PREFETCH) ] = {
1384 [ C(RESULT_ACCESS) ] = -1,
1385 [ C(RESULT_MISS) ] = -1,
1386 },
1387 },
1388 [ C(BPU ) ] = {
1389 [ C(OP_READ) ] = {
1390 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1391 [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1392 },
1393 [ C(OP_WRITE) ] = {
1394 [ C(RESULT_ACCESS) ] = -1,
1395 [ C(RESULT_MISS) ] = -1,
1396 },
1397 [ C(OP_PREFETCH) ] = {
1398 [ C(RESULT_ACCESS) ] = -1,
1399 [ C(RESULT_MISS) ] = -1,
1400 },
1401 },
1402};
1403
eb12b8ec
AK		 1404EVENT_ATTR_STR(topdown-total-slots, td_total_slots_slm, "event=0x3c");
1405EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_slm, "2");
1406/* no_alloc_cycles.not_delivered */
1407EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_slm,
1408 "event=0xca,umask=0x50");
1409EVENT_ATTR_STR(topdown-fetch-bubbles.scale, td_fetch_bubbles_scale_slm, "2");
1410/* uops_retired.all */
1411EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_slm,
1412 "event=0xc2,umask=0x10");
1413/* uops_retired.all */
1414EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_slm,
1415 "event=0xc2,umask=0x10");
1416
1417static struct attribute *slm_events_attrs[] = {
1418 EVENT_PTR(td_total_slots_slm),
1419 EVENT_PTR(td_total_slots_scale_slm),
1420 EVENT_PTR(td_fetch_bubbles_slm),
1421 EVENT_PTR(td_fetch_bubbles_scale_slm),
1422 EVENT_PTR(td_slots_issued_slm),
1423 EVENT_PTR(td_slots_retired_slm),
1424 NULL
1425};
1426
1fa64180
YZ		 1427static struct extra_reg intel_slm_extra_regs[] __read_mostly =
1428{
1429 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
06c939c1 1430 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x768005ffffull, RSP_0),
ae3f011f 1431 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x368005ffffull, RSP_1),
1fa64180
YZ		 1432 EVENT_EXTRA_END
1433};
1434
1435#define SLM_DMND_READ SNB_DMND_DATA_RD
1436#define SLM_DMND_WRITE SNB_DMND_RFO
1437#define SLM_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
1438
1439#define SLM_SNP_ANY (SNB_SNP_NONE|SNB_SNP_MISS|SNB_NO_FWD|SNB_HITM)
1440#define SLM_LLC_ACCESS SNB_RESP_ANY
1441#define SLM_LLC_MISS (SLM_SNP_ANY|SNB_NON_DRAM)
1442
1443static __initconst const u64 slm_hw_cache_extra_regs
1444 [PERF_COUNT_HW_CACHE_MAX]
1445 [PERF_COUNT_HW_CACHE_OP_MAX]
1446 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1447{
1448 [ C(LL ) ] = {
1449 [ C(OP_READ) ] = {
1450 [ C(RESULT_ACCESS) ] = SLM_DMND_READ|SLM_LLC_ACCESS,
6d374056 1451 [ C(RESULT_MISS) ] = 0,
1fa64180
YZ		 1452 },
1453 [ C(OP_WRITE) ] = {
1454 [ C(RESULT_ACCESS) ] = SLM_DMND_WRITE|SLM_LLC_ACCESS,
1455 [ C(RESULT_MISS) ] = SLM_DMND_WRITE|SLM_LLC_MISS,
1456 },
1457 [ C(OP_PREFETCH) ] = {
1458 [ C(RESULT_ACCESS) ] = SLM_DMND_PREFETCH|SLM_LLC_ACCESS,
1459 [ C(RESULT_MISS) ] = SLM_DMND_PREFETCH|SLM_LLC_MISS,
1460 },
1461 },
1462};
1463
1464static __initconst const u64 slm_hw_cache_event_ids
1465 [PERF_COUNT_HW_CACHE_MAX]
1466 [PERF_COUNT_HW_CACHE_OP_MAX]
1467 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1468{
1469 [ C(L1D) ] = {
1470 [ C(OP_READ) ] = {
1471 [ C(RESULT_ACCESS) ] = 0,
1472 [ C(RESULT_MISS) ] = 0x0104, /* LD_DCU_MISS */
1473 },
1474 [ C(OP_WRITE) ] = {
1475 [ C(RESULT_ACCESS) ] = 0,
1476 [ C(RESULT_MISS) ] = 0,
1477 },
1478 [ C(OP_PREFETCH) ] = {
1479 [ C(RESULT_ACCESS) ] = 0,
1480 [ C(RESULT_MISS) ] = 0,
1481 },
1482 },
1483 [ C(L1I ) ] = {
1484 [ C(OP_READ) ] = {
1485 [ C(RESULT_ACCESS) ] = 0x0380, /* ICACHE.ACCESSES */
1486 [ C(RESULT_MISS) ] = 0x0280, /* ICACGE.MISSES */
1487 },
1488 [ C(OP_WRITE) ] = {
1489 [ C(RESULT_ACCESS) ] = -1,
1490 [ C(RESULT_MISS) ] = -1,
1491 },
1492 [ C(OP_PREFETCH) ] = {
1493 [ C(RESULT_ACCESS) ] = 0,
1494 [ C(RESULT_MISS) ] = 0,
1495 },
1496 },
1497 [ C(LL ) ] = {
1498 [ C(OP_READ) ] = {
1499 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1500 [ C(RESULT_ACCESS) ] = 0x01b7,
6d374056 1501 [ C(RESULT_MISS) ] = 0,
1fa64180
YZ		 1502 },
1503 [ C(OP_WRITE) ] = {
1504 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1505 [ C(RESULT_ACCESS) ] = 0x01b7,
1506 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1507 [ C(RESULT_MISS) ] = 0x01b7,
1508 },
1509 [ C(OP_PREFETCH) ] = {
1510 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1511 [ C(RESULT_ACCESS) ] = 0x01b7,
1512 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1513 [ C(RESULT_MISS) ] = 0x01b7,
1514 },
1515 },
1516 [ C(DTLB) ] = {
1517 [ C(OP_READ) ] = {
1518 [ C(RESULT_ACCESS) ] = 0,
1519 [ C(RESULT_MISS) ] = 0x0804, /* LD_DTLB_MISS */
1520 },
1521 [ C(OP_WRITE) ] = {
1522 [ C(RESULT_ACCESS) ] = 0,
1523 [ C(RESULT_MISS) ] = 0,
1524 },
1525 [ C(OP_PREFETCH) ] = {
1526 [ C(RESULT_ACCESS) ] = 0,
1527 [ C(RESULT_MISS) ] = 0,
1528 },
1529 },
1530 [ C(ITLB) ] = {
1531 [ C(OP_READ) ] = {
1532 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
6d374056 1533 [ C(RESULT_MISS) ] = 0x40205, /* PAGE_WALKS.I_SIDE_WALKS */
1fa64180
YZ		 1534 },
1535 [ C(OP_WRITE) ] = {
1536 [ C(RESULT_ACCESS) ] = -1,
1537 [ C(RESULT_MISS) ] = -1,
1538 },
1539 [ C(OP_PREFETCH) ] = {
1540 [ C(RESULT_ACCESS) ] = -1,
1541 [ C(RESULT_MISS) ] = -1,
1542 },
1543 },
1544 [ C(BPU ) ] = {
1545 [ C(OP_READ) ] = {
1546 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1547 [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1548 },
1549 [ C(OP_WRITE) ] = {
1550 [ C(RESULT_ACCESS) ] = -1,
1551 [ C(RESULT_MISS) ] = -1,
1552 },
1553 [ C(OP_PREFETCH) ] = {
1554 [ C(RESULT_ACCESS) ] = -1,
1555 [ C(RESULT_MISS) ] = -1,
1556 },
1557 },
1558};
1559
ed827adb
KL		 1560EVENT_ATTR_STR(topdown-total-slots, td_total_slots_glm, "event=0x3c");
1561EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_glm, "3");
1562/* UOPS_NOT_DELIVERED.ANY */
1563EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_glm, "event=0x9c");
1564/* ISSUE_SLOTS_NOT_CONSUMED.RECOVERY */
1565EVENT_ATTR_STR(topdown-recovery-bubbles, td_recovery_bubbles_glm, "event=0xca,umask=0x02");
1566/* UOPS_RETIRED.ANY */
1567EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_glm, "event=0xc2");
1568/* UOPS_ISSUED.ANY */
1569EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_glm, "event=0x0e");
1570
1571static struct attribute *glm_events_attrs[] = {
1572 EVENT_PTR(td_total_slots_glm),
1573 EVENT_PTR(td_total_slots_scale_glm),
1574 EVENT_PTR(td_fetch_bubbles_glm),
1575 EVENT_PTR(td_recovery_bubbles_glm),
1576 EVENT_PTR(td_slots_issued_glm),
1577 EVENT_PTR(td_slots_retired_glm),
1578 NULL
1579};
1580
8b92c3a7
KL		 1581static struct extra_reg intel_glm_extra_regs[] __read_mostly = {
1582 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
1583 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x760005ffbfull, RSP_0),
1584 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x360005ffbfull, RSP_1),
1585 EVENT_EXTRA_END
1586};
1587
1588#define GLM_DEMAND_DATA_RD BIT_ULL(0)
1589#define GLM_DEMAND_RFO BIT_ULL(1)
1590#define GLM_ANY_RESPONSE BIT_ULL(16)
1591#define GLM_SNP_NONE_OR_MISS BIT_ULL(33)
1592#define GLM_DEMAND_READ GLM_DEMAND_DATA_RD
1593#define GLM_DEMAND_WRITE GLM_DEMAND_RFO
1594#define GLM_DEMAND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
1595#define GLM_LLC_ACCESS GLM_ANY_RESPONSE
1596#define GLM_SNP_ANY (GLM_SNP_NONE_OR_MISS|SNB_NO_FWD|SNB_HITM)
1597#define GLM_LLC_MISS (GLM_SNP_ANY|SNB_NON_DRAM)
1598
1599static __initconst const u64 glm_hw_cache_event_ids
1600 [PERF_COUNT_HW_CACHE_MAX]
1601 [PERF_COUNT_HW_CACHE_OP_MAX]
1602 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1603 [C(L1D)] = {
1604 [C(OP_READ)] = {
1605 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1606 [C(RESULT_MISS)] = 0x0,
1607 },
1608 [C(OP_WRITE)] = {
1609 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1610 [C(RESULT_MISS)] = 0x0,
1611 },
1612 [C(OP_PREFETCH)] = {
1613 [C(RESULT_ACCESS)] = 0x0,
1614 [C(RESULT_MISS)] = 0x0,
1615 },
1616 },
1617 [C(L1I)] = {
1618 [C(OP_READ)] = {
1619 [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */
1620 [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */
1621 },
1622 [C(OP_WRITE)] = {
1623 [C(RESULT_ACCESS)] = -1,
1624 [C(RESULT_MISS)] = -1,
1625 },
1626 [C(OP_PREFETCH)] = {
1627 [C(RESULT_ACCESS)] = 0x0,
1628 [C(RESULT_MISS)] = 0x0,
1629 },
1630 },
1631 [C(LL)] = {
1632 [C(OP_READ)] = {
1633 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1634 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1635 },
1636 [C(OP_WRITE)] = {
1637 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1638 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1639 },
1640 [C(OP_PREFETCH)] = {
1641 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1642 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1643 },
1644 },
1645 [C(DTLB)] = {
1646 [C(OP_READ)] = {
1647 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1648 [C(RESULT_MISS)] = 0x0,
1649 },
1650 [C(OP_WRITE)] = {
1651 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1652 [C(RESULT_MISS)] = 0x0,
1653 },
1654 [C(OP_PREFETCH)] = {
1655 [C(RESULT_ACCESS)] = 0x0,
1656 [C(RESULT_MISS)] = 0x0,
1657 },
1658 },
1659 [C(ITLB)] = {
1660 [C(OP_READ)] = {
1661 [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */
1662 [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */
1663 },
1664 [C(OP_WRITE)] = {
1665 [C(RESULT_ACCESS)] = -1,
1666 [C(RESULT_MISS)] = -1,
1667 },
1668 [C(OP_PREFETCH)] = {
1669 [C(RESULT_ACCESS)] = -1,
1670 [C(RESULT_MISS)] = -1,
1671 },
1672 },
1673 [C(BPU)] = {
1674 [C(OP_READ)] = {
1675 [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1676 [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
1677 },
1678 [C(OP_WRITE)] = {
1679 [C(RESULT_ACCESS)] = -1,
1680 [C(RESULT_MISS)] = -1,
1681 },
1682 [C(OP_PREFETCH)] = {
1683 [C(RESULT_ACCESS)] = -1,
1684 [C(RESULT_MISS)] = -1,
1685 },
1686 },
1687};
1688
1689static __initconst const u64 glm_hw_cache_extra_regs
1690 [PERF_COUNT_HW_CACHE_MAX]
1691 [PERF_COUNT_HW_CACHE_OP_MAX]
1692 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1693 [C(LL)] = {
1694 [C(OP_READ)] = {
1695 [C(RESULT_ACCESS)] = GLM_DEMAND_READ|
1696 GLM_LLC_ACCESS,
1697 [C(RESULT_MISS)] = GLM_DEMAND_READ|
1698 GLM_LLC_MISS,
1699 },
1700 [C(OP_WRITE)] = {
1701 [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE|
1702 GLM_LLC_ACCESS,
1703 [C(RESULT_MISS)] = GLM_DEMAND_WRITE|
1704 GLM_LLC_MISS,
1705 },
1706 [C(OP_PREFETCH)] = {
1707 [C(RESULT_ACCESS)] = GLM_DEMAND_PREFETCH|
1708 GLM_LLC_ACCESS,
1709 [C(RESULT_MISS)] = GLM_DEMAND_PREFETCH|
1710 GLM_LLC_MISS,
1711 },
1712 },
1713};
1714
dd0b06b5
KL		 1715static __initconst const u64 glp_hw_cache_event_ids
1716 [PERF_COUNT_HW_CACHE_MAX]
1717 [PERF_COUNT_HW_CACHE_OP_MAX]
1718 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1719 [C(L1D)] = {
1720 [C(OP_READ)] = {
1721 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1722 [C(RESULT_MISS)] = 0x0,
1723 },
1724 [C(OP_WRITE)] = {
1725 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1726 [C(RESULT_MISS)] = 0x0,
1727 },
1728 [C(OP_PREFETCH)] = {
1729 [C(RESULT_ACCESS)] = 0x0,
1730 [C(RESULT_MISS)] = 0x0,
1731 },
1732 },
1733 [C(L1I)] = {
1734 [C(OP_READ)] = {
1735 [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */
1736 [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */
1737 },
1738 [C(OP_WRITE)] = {
1739 [C(RESULT_ACCESS)] = -1,
1740 [C(RESULT_MISS)] = -1,
1741 },
1742 [C(OP_PREFETCH)] = {
1743 [C(RESULT_ACCESS)] = 0x0,
1744 [C(RESULT_MISS)] = 0x0,
1745 },
1746 },
1747 [C(LL)] = {
1748 [C(OP_READ)] = {
1749 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1750 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1751 },
1752 [C(OP_WRITE)] = {
1753 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1754 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1755 },
1756 [C(OP_PREFETCH)] = {
1757 [C(RESULT_ACCESS)] = 0x0,
1758 [C(RESULT_MISS)] = 0x0,
1759 },
1760 },
1761 [C(DTLB)] = {
1762 [C(OP_READ)] = {
1763 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1764 [C(RESULT_MISS)] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */
1765 },
1766 [C(OP_WRITE)] = {
1767 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1768 [C(RESULT_MISS)] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */
1769 },
1770 [C(OP_PREFETCH)] = {
1771 [C(RESULT_ACCESS)] = 0x0,
1772 [C(RESULT_MISS)] = 0x0,
1773 },
1774 },
1775 [C(ITLB)] = {
1776 [C(OP_READ)] = {
1777 [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */
1778 [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */
1779 },
1780 [C(OP_WRITE)] = {
1781 [C(RESULT_ACCESS)] = -1,
1782 [C(RESULT_MISS)] = -1,
1783 },
1784 [C(OP_PREFETCH)] = {
1785 [C(RESULT_ACCESS)] = -1,
1786 [C(RESULT_MISS)] = -1,
1787 },
1788 },
1789 [C(BPU)] = {
1790 [C(OP_READ)] = {
1791 [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1792 [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
1793 },
1794 [C(OP_WRITE)] = {
1795 [C(RESULT_ACCESS)] = -1,
1796 [C(RESULT_MISS)] = -1,
1797 },
1798 [C(OP_PREFETCH)] = {
1799 [C(RESULT_ACCESS)] = -1,
1800 [C(RESULT_MISS)] = -1,
1801 },
1802 },
1803};
1804
1805static __initconst const u64 glp_hw_cache_extra_regs
1806 [PERF_COUNT_HW_CACHE_MAX]
1807 [PERF_COUNT_HW_CACHE_OP_MAX]
1808 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1809 [C(LL)] = {
1810 [C(OP_READ)] = {
1811 [C(RESULT_ACCESS)] = GLM_DEMAND_READ|
1812 GLM_LLC_ACCESS,
1813 [C(RESULT_MISS)] = GLM_DEMAND_READ|
1814 GLM_LLC_MISS,
1815 },
1816 [C(OP_WRITE)] = {
1817 [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE|
1818 GLM_LLC_ACCESS,
1819 [C(RESULT_MISS)] = GLM_DEMAND_WRITE|
1820 GLM_LLC_MISS,
1821 },
1822 [C(OP_PREFETCH)] = {
1823 [C(RESULT_ACCESS)] = 0x0,
1824 [C(RESULT_MISS)] = 0x0,
1825 },
1826 },
1827};
1828
1e7b9390
HC		 1829#define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */
1830#define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */
1831#define KNL_MCDRAM_LOCAL BIT_ULL(21)
1832#define KNL_MCDRAM_FAR BIT_ULL(22)
1833#define KNL_DDR_LOCAL BIT_ULL(23)
1834#define KNL_DDR_FAR BIT_ULL(24)
1835#define KNL_DRAM_ANY (KNL_MCDRAM_LOCAL | KNL_MCDRAM_FAR | \
1836 KNL_DDR_LOCAL | KNL_DDR_FAR)
1837#define KNL_L2_READ SLM_DMND_READ
1838#define KNL_L2_WRITE SLM_DMND_WRITE
1839#define KNL_L2_PREFETCH SLM_DMND_PREFETCH
1840#define KNL_L2_ACCESS SLM_LLC_ACCESS
1841#define KNL_L2_MISS (KNL_OT_L2_HITE | KNL_OT_L2_HITF | \
1842 KNL_DRAM_ANY | SNB_SNP_ANY | \
1843 SNB_NON_DRAM)
1844
1845static __initconst const u64 knl_hw_cache_extra_regs
1846 [PERF_COUNT_HW_CACHE_MAX]
1847 [PERF_COUNT_HW_CACHE_OP_MAX]
1848 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1849 [C(LL)] = {
1850 [C(OP_READ)] = {
1851 [C(RESULT_ACCESS)] = KNL_L2_READ | KNL_L2_ACCESS,
1852 [C(RESULT_MISS)] = 0,
1853 },
1854 [C(OP_WRITE)] = {
1855 [C(RESULT_ACCESS)] = KNL_L2_WRITE | KNL_L2_ACCESS,
1856 [C(RESULT_MISS)] = KNL_L2_WRITE | KNL_L2_MISS,
1857 },
1858 [C(OP_PREFETCH)] = {
1859 [C(RESULT_ACCESS)] = KNL_L2_PREFETCH | KNL_L2_ACCESS,
1860 [C(RESULT_MISS)] = KNL_L2_PREFETCH | KNL_L2_MISS,
1861 },
1862 },
1863};
1864
1a78d937 1865/*
c3d266c8
KL		 1866 * Used from PMIs where the LBRs are already disabled.
1867 *
1868 * This function could be called consecutively. It is required to remain in
1869 * disabled state if called consecutively.
1870 *
1871 * During consecutive calls, the same disable value will be written to related
cecf6235
AS		 1872 * registers, so the PMU state remains unchanged.
1873 *
1874 * intel_bts events don't coexist with intel PMU's BTS events because of
1875 * x86_add_exclusive(x86_lbr_exclusive_lbr); there's no need to keep them
1876 * disabled around intel PMU's event batching etc, only inside the PMI handler.
1a78d937
AK		 1877 */
1878static void __intel_pmu_disable_all(void)
f22f54f4 1879{
89cbc767 1880 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
f22f54f4
PZ		 1881
1882 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
1883
15c7ad51 1884 if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask))
f22f54f4 1885 intel_pmu_disable_bts();
ca037701
PZ		 1886
1887 intel_pmu_pebs_disable_all();
1a78d937
AK		 1888}
1889
1890static void intel_pmu_disable_all(void)
1891{
1892 __intel_pmu_disable_all();
caff2bef 1893 intel_pmu_lbr_disable_all();
f22f54f4
PZ		 1894}
1895
1a78d937 1896static void __intel_pmu_enable_all(int added, bool pmi)
f22f54f4 1897{
89cbc767 1898 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
f22f54f4 1899
d329527e 1900 intel_pmu_pebs_enable_all();
1a78d937 1901 intel_pmu_lbr_enable_all(pmi);
144d31e6
GN		 1902 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL,
1903 x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask);
f22f54f4 1904
15c7ad51 1905 if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
f22f54f4 1906 struct perf_event *event =
15c7ad51 1907 cpuc->events[INTEL_PMC_IDX_FIXED_BTS];
f22f54f4
PZ		 1908
1909 if (WARN_ON_ONCE(!event))
1910 return;
1911
1912 intel_pmu_enable_bts(event->hw.config);
cecf6235 1913 }
f22f54f4
PZ		 1914}
1915
1a78d937
AK		 1916static void intel_pmu_enable_all(int added)
1917{
1918 __intel_pmu_enable_all(added, false);
1919}
1920
11164cd4
PZ		 1921/*
1922 * Workaround for:
1923 * Intel Errata AAK100 (model 26)
1924 * Intel Errata AAP53 (model 30)
40b91cd1 1925 * Intel Errata BD53 (model 44)
11164cd4 1926 *
351af072
ZY		 1927 * The official story:
1928 * These chips need to be 'reset' when adding counters by programming the
1929 * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either
1930 * in sequence on the same PMC or on different PMCs.
1931 *
1932 * In practise it appears some of these events do in fact count, and
a97673a1 1933 * we need to program all 4 events.
11164cd4 1934 */
351af072 1935static void intel_pmu_nhm_workaround(void)
11164cd4 1936{
89cbc767 1937 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
351af072
ZY		 1938 static const unsigned long nhm_magic[4] = {
1939 0x4300B5,
1940 0x4300D2,
1941 0x4300B1,
1942 0x4300B1
1943 };
1944 struct perf_event *event;
1945 int i;
11164cd4 1946
351af072
ZY		 1947 /*
1948 * The Errata requires below steps:
1949 * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL;
1950 * 2) Configure 4 PERFEVTSELx with the magic events and clear
1951 * the corresponding PMCx;
1952 * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL;
1953 * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL;
1954 * 5) Clear 4 pairs of ERFEVTSELx and PMCx;
1955 */
11164cd4 1956
351af072
ZY		 1957 /*
1958 * The real steps we choose are a little different from above.
1959 * A) To reduce MSR operations, we don't run step 1) as they
1960 * are already cleared before this function is called;
1961 * B) Call x86_perf_event_update to save PMCx before configuring
1962 * PERFEVTSELx with magic number;
1963 * C) With step 5), we do clear only when the PERFEVTSELx is
1964 * not used currently.
1965 * D) Call x86_perf_event_set_period to restore PMCx;
1966 */
11164cd4 1967
351af072
ZY		 1968 /* We always operate 4 pairs of PERF Counters */
1969 for (i = 0; i < 4; i++) {
1970 event = cpuc->events[i];
1971 if (event)
1972 x86_perf_event_update(event);
1973 }
11164cd4 1974
351af072
ZY		 1975 for (i = 0; i < 4; i++) {
1976 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]);
1977 wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0);
1978 }
1979
1980 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf);
1981 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0);
11164cd4 1982
351af072
ZY		 1983 for (i = 0; i < 4; i++) {
1984 event = cpuc->events[i];
1985
1986 if (event) {
1987 x86_perf_event_set_period(event);
31fa58af 1988 __x86_pmu_enable_event(&event->hw,
351af072
ZY		 1989 ARCH_PERFMON_EVENTSEL_ENABLE);
1990 } else
1991 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0);
11164cd4 1992 }
351af072
ZY		 1993}
1994
1995static void intel_pmu_nhm_enable_all(int added)
1996{
1997 if (added)
1998 intel_pmu_nhm_workaround();
11164cd4
PZ		 1999 intel_pmu_enable_all(added);
2000}
2001
af3bdb99
AK		 2002static void enable_counter_freeze(void)
2003{
2004 update_debugctlmsr(get_debugctlmsr() |
2005 DEBUGCTLMSR_FREEZE_PERFMON_ON_PMI);
2006}
2007
2008static void disable_counter_freeze(void)
2009{
2010 update_debugctlmsr(get_debugctlmsr() &
2011 ~DEBUGCTLMSR_FREEZE_PERFMON_ON_PMI);
2012}
2013
f22f54f4
PZ		 2014static inline u64 intel_pmu_get_status(void)
2015{
2016 u64 status;
2017
2018 rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status);
2019
2020 return status;
2021}
2022
2023static inline void intel_pmu_ack_status(u64 ack)
2024{
2025 wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
2026}
2027
ca037701 2028static void intel_pmu_disable_fixed(struct hw_perf_event *hwc)
f22f54f4 2029{
15c7ad51 2030 int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
f22f54f4
PZ		 2031 u64 ctrl_val, mask;
2032
2033 mask = 0xfULL << (idx * 4);
2034
2035 rdmsrl(hwc->config_base, ctrl_val);
2036 ctrl_val &= ~mask;
7645a24c 2037 wrmsrl(hwc->config_base, ctrl_val);
f22f54f4
PZ		 2038}
2039
2b9e344d
PZ		 2040static inline bool event_is_checkpointed(struct perf_event *event)
2041{
2042 return (event->hw.config & HSW_IN_TX_CHECKPOINTED) != 0;
2043}
2044
ca037701 2045static void intel_pmu_disable_event(struct perf_event *event)
f22f54f4 2046{
aff3d91a 2047 struct hw_perf_event *hwc = &event->hw;
89cbc767 2048 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
aff3d91a 2049
15c7ad51 2050 if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) {
f22f54f4
PZ		 2051 intel_pmu_disable_bts();
2052 intel_pmu_drain_bts_buffer();
2053 return;
2054 }
2055
144d31e6
GN		 2056 cpuc->intel_ctrl_guest_mask &= ~(1ull << hwc->idx);
2057 cpuc->intel_ctrl_host_mask &= ~(1ull << hwc->idx);
2b9e344d 2058 cpuc->intel_cp_status &= ~(1ull << hwc->idx);
144d31e6 2059
4f08b625
KL		 2060 if (unlikely(event->attr.precise_ip))
2061 intel_pmu_pebs_disable(event);
2062
f22f54f4 2063 if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
aff3d91a 2064 intel_pmu_disable_fixed(hwc);
f22f54f4
PZ		 2065 return;
2066 }
2067
aff3d91a 2068 x86_pmu_disable_event(event);
f22f54f4
PZ		 2069}
2070
68f7082f
PZ		 2071static void intel_pmu_del_event(struct perf_event *event)
2072{
2073 if (needs_branch_stack(event))
2074 intel_pmu_lbr_del(event);
2075 if (event->attr.precise_ip)
2076 intel_pmu_pebs_del(event);
2077}
2078
ceb90d9e
KL		 2079static void intel_pmu_read_event(struct perf_event *event)
2080{
2081 if (event->hw.flags & PERF_X86_EVENT_AUTO_RELOAD)
2082 intel_pmu_auto_reload_read(event);
2083 else
2084 x86_perf_event_update(event);
2085}
2086
4f08b625 2087static void intel_pmu_enable_fixed(struct perf_event *event)
f22f54f4 2088{
4f08b625 2089 struct hw_perf_event *hwc = &event->hw;
15c7ad51 2090 int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
4f08b625 2091 u64 ctrl_val, mask, bits = 0;
f22f54f4
PZ		 2092
2093 /*
4f08b625 2094 * Enable IRQ generation (0x8), if not PEBS,
f22f54f4
PZ		 2095 * and enable ring-3 counting (0x2) and ring-0 counting (0x1)
2096 * if requested:
2097 */
4f08b625
KL		 2098 if (!event->attr.precise_ip)
2099 bits |= 0x8;
f22f54f4
PZ		 2100 if (hwc->config & ARCH_PERFMON_EVENTSEL_USR)
2101 bits |= 0x2;
2102 if (hwc->config & ARCH_PERFMON_EVENTSEL_OS)
2103 bits |= 0x1;
2104
2105 /*
2106 * ANY bit is supported in v3 and up
2107 */
2108 if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY)
2109 bits |= 0x4;
2110
2111 bits <<= (idx * 4);
2112 mask = 0xfULL << (idx * 4);
2113
2114 rdmsrl(hwc->config_base, ctrl_val);
2115 ctrl_val &= ~mask;
2116 ctrl_val |= bits;
7645a24c 2117 wrmsrl(hwc->config_base, ctrl_val);
f22f54f4
PZ		 2118}
2119
aff3d91a 2120static void intel_pmu_enable_event(struct perf_event *event)
f22f54f4 2121{
aff3d91a 2122 struct hw_perf_event *hwc = &event->hw;
89cbc767 2123 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
aff3d91a 2124
15c7ad51 2125 if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) {
0a3aee0d 2126 if (!__this_cpu_read(cpu_hw_events.enabled))
f22f54f4
PZ		 2127 return;
2128
2129 intel_pmu_enable_bts(hwc->config);
2130 return;
2131 }
2132
144d31e6
GN		 2133 if (event->attr.exclude_host)
2134 cpuc->intel_ctrl_guest_mask |= (1ull << hwc->idx);
2135 if (event->attr.exclude_guest)
2136 cpuc->intel_ctrl_host_mask |= (1ull << hwc->idx);
2137
2b9e344d
PZ		 2138 if (unlikely(event_is_checkpointed(event)))
2139 cpuc->intel_cp_status |= (1ull << hwc->idx);
2140
4f08b625
KL		 2141 if (unlikely(event->attr.precise_ip))
2142 intel_pmu_pebs_enable(event);
2143
f22f54f4 2144 if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
4f08b625 2145 intel_pmu_enable_fixed(event);
f22f54f4
PZ		 2146 return;
2147 }
2148
31fa58af 2149 __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
f22f54f4
PZ		 2150}
2151
68f7082f
PZ		 2152static void intel_pmu_add_event(struct perf_event *event)
2153{
2154 if (event->attr.precise_ip)
2155 intel_pmu_pebs_add(event);
2156 if (needs_branch_stack(event))
2157 intel_pmu_lbr_add(event);
2158}
2159
f22f54f4
PZ		 2160/*
2161 * Save and restart an expired event. Called by NMI contexts,
2162 * so it has to be careful about preempting normal event ops:
2163 */
de0428a7 2164int intel_pmu_save_and_restart(struct perf_event *event)
f22f54f4 2165{
cc2ad4ba 2166 x86_perf_event_update(event);
2dbf0116
AK		 2167 /*
2168 * For a checkpointed counter always reset back to 0. This
2169 * avoids a situation where the counter overflows, aborts the
2170 * transaction and is then set back to shortly before the
2171 * overflow, and overflows and aborts again.
2172 */
2173 if (unlikely(event_is_checkpointed(event))) {
2174 /* No race with NMIs because the counter should not be armed */
2175 wrmsrl(event->hw.event_base, 0);
2176 local64_set(&event->hw.prev_count, 0);
2177 }
cc2ad4ba 2178 return x86_perf_event_set_period(event);
f22f54f4
PZ		 2179}
2180
2181static void intel_pmu_reset(void)
2182{
0a3aee0d 2183 struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds);
f22f54f4
PZ		 2184 unsigned long flags;
2185 int idx;
2186
948b1bb8 2187 if (!x86_pmu.num_counters)
f22f54f4
PZ		 2188 return;
2189
2190 local_irq_save(flags);
2191
c767a54b 2192 pr_info("clearing PMU state on CPU#%d\n", smp_processor_id());
f22f54f4 2193
948b1bb8 2194 for (idx = 0; idx < x86_pmu.num_counters; idx++) {
715c85b1
PA		 2195 wrmsrl_safe(x86_pmu_config_addr(idx), 0ull);
2196 wrmsrl_safe(x86_pmu_event_addr(idx), 0ull);
f22f54f4 2197 }
948b1bb8 2198 for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++)
715c85b1 2199 wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull);
948b1bb8 2200
f22f54f4
PZ		 2201 if (ds)
2202 ds->bts_index = ds->bts_buffer_base;
2203
8882edf7
AK		 2204 /* Ack all overflows and disable fixed counters */
2205 if (x86_pmu.version >= 2) {
2206 intel_pmu_ack_status(intel_pmu_get_status());
2207 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
2208 }
2209
2210 /* Reset LBRs and LBR freezing */
2211 if (x86_pmu.lbr_nr) {
2212 update_debugctlmsr(get_debugctlmsr() &
2213 ~(DEBUGCTLMSR_FREEZE_LBRS_ON_PMI|DEBUGCTLMSR_LBR));
2214 }
2215
f22f54f4
PZ		 2216 local_irq_restore(flags);
2217}
2218
ba12d20e 2219static int handle_pmi_common(struct pt_regs *regs, u64 status)
f22f54f4
PZ		 2220{
2221 struct perf_sample_data data;
ba12d20e
KL		 2222 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2223 int bit;
2224 int handled = 0;
f22f54f4
PZ		 2225
2226 inc_irq_stat(apic_perf_irqs);
ca037701 2227
b292d7a1 2228 /*
d8020bee
AK		 2229 * Ignore a range of extra bits in status that do not indicate
2230 * overflow by themselves.
b292d7a1 2231 */
d8020bee
AK		 2232 status &= ~(GLOBAL_STATUS_COND_CHG |
2233 GLOBAL_STATUS_ASIF |
2234 GLOBAL_STATUS_LBRS_FROZEN);
2235 if (!status)
ba12d20e 2236 return 0;
daa864b8
SE		 2237 /*
2238 * In case multiple PEBS events are sampled at the same time,
2239 * it is possible to have GLOBAL_STATUS bit 62 set indicating
2240 * PEBS buffer overflow and also seeing at most 3 PEBS counters
2241 * having their bits set in the status register. This is a sign
2242 * that there was at least one PEBS record pending at the time
2243 * of the PMU interrupt. PEBS counters must only be processed
2244 * via the drain_pebs() calls and not via the regular sample
2245 * processing loop coming after that the function, otherwise
2246 * phony regular samples may be generated in the sampling buffer
2247 * not marked with the EXACT tag. Another possibility is to have
2248 * one PEBS event and at least one non-PEBS event whic hoverflows
2249 * while PEBS has armed. In this case, bit 62 of GLOBAL_STATUS will
2250 * not be set, yet the overflow status bit for the PEBS counter will
2251 * be on Skylake.
2252 *
2253 * To avoid this problem, we systematically ignore the PEBS-enabled
2254 * counters from the GLOBAL_STATUS mask and we always process PEBS
2255 * events via drain_pebs().
2256 */
ec71a398
KL		 2257 if (x86_pmu.flags & PMU_FL_PEBS_ALL)
2258 status &= ~cpuc->pebs_enabled;
2259 else
2260 status &= ~(cpuc->pebs_enabled & PEBS_COUNTER_MASK);
b292d7a1 2261
ca037701
PZ		 2262 /*
2263 * PEBS overflow sets bit 62 in the global status register
2264 */
de725dec
PZ		 2265 if (__test_and_clear_bit(62, (unsigned long *)&status)) {
2266 handled++;
ca037701 2267 x86_pmu.drain_pebs(regs);
8077eca0 2268 status &= x86_pmu.intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI;
de725dec 2269 }
ca037701 2270
52ca9ced
AS		 2271 /*
2272 * Intel PT
2273 */
2274 if (__test_and_clear_bit(55, (unsigned long *)&status)) {
2275 handled++;
2276 intel_pt_interrupt();
2277 }
2278
2dbf0116 2279 /*
2b9e344d
PZ		 2280 * Checkpointed counters can lead to 'spurious' PMIs because the
2281 * rollback caused by the PMI will have cleared the overflow status
2282 * bit. Therefore always force probe these counters.
2dbf0116 2283 */
2b9e344d 2284 status |= cpuc->intel_cp_status;
2dbf0116 2285
984b3f57 2286 for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
f22f54f4
PZ		 2287 struct perf_event *event = cpuc->events[bit];
2288
de725dec
PZ		 2289 handled++;
2290
f22f54f4
PZ		 2291 if (!test_bit(bit, cpuc->active_mask))
2292 continue;
2293
2294 if (!intel_pmu_save_and_restart(event))
2295 continue;
2296
fd0d000b 2297 perf_sample_data_init(&data, 0, event->hw.last_period);
f22f54f4 2298
60ce0fbd
SE		 2299 if (has_branch_stack(event))
2300 data.br_stack = &cpuc->lbr_stack;
2301
a8b0ca17 2302 if (perf_event_overflow(event, &data, regs))
a4eaf7f1 2303 x86_pmu_stop(event, 0);
f22f54f4
PZ		 2304 }
2305
ba12d20e
KL		 2306 return handled;
2307}
2308
2a5bf23d 2309static bool disable_counter_freezing = true;
af3bdb99
AK		 2310static int __init intel_perf_counter_freezing_setup(char *s)
2311{
2a5bf23d
PZ		 2312 bool res;
2313
2314 if (kstrtobool(s, &res))
2315 return -EINVAL;
2316
2317 disable_counter_freezing = !res;
af3bdb99
AK		 2318 return 1;
2319}
2a5bf23d 2320__setup("perf_v4_pmi=", intel_perf_counter_freezing_setup);
af3bdb99
AK		 2321
2322/*
2323 * Simplified handler for Arch Perfmon v4:
2324 * - We rely on counter freezing/unfreezing to enable/disable the PMU.
2325 * This is done automatically on PMU ack.
2326 * - Ack the PMU only after the APIC.
2327 */
2328
2329static int intel_pmu_handle_irq_v4(struct pt_regs *regs)
2330{
2331 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2332 int handled = 0;
2333 bool bts = false;
2334 u64 status;
2335 int pmu_enabled = cpuc->enabled;
2336 int loops = 0;
2337
2338 /* PMU has been disabled because of counter freezing */
2339 cpuc->enabled = 0;
2340 if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
2341 bts = true;
2342 intel_bts_disable_local();
2343 handled = intel_pmu_drain_bts_buffer();
2344 handled += intel_bts_interrupt();
2345 }
2346 status = intel_pmu_get_status();
2347 if (!status)
2348 goto done;
2349again:
2350 intel_pmu_lbr_read();
2351 if (++loops > 100) {
2352 static bool warned;
2353
2354 if (!warned) {
2355 WARN(1, "perfevents: irq loop stuck!\n");
2356 perf_event_print_debug();
2357 warned = true;
2358 }
2359 intel_pmu_reset();
2360 goto done;
2361 }
2362
2363
2364 handled += handle_pmi_common(regs, status);
2365done:
2366 /* Ack the PMI in the APIC */
2367 apic_write(APIC_LVTPC, APIC_DM_NMI);
2368
2369 /*
2370 * The counters start counting immediately while ack the status.
2371 * Make it as close as possible to IRET. This avoids bogus
2372 * freezing on Skylake CPUs.
2373 */
2374 if (status) {
2375 intel_pmu_ack_status(status);
2376 } else {
2377 /*
2378 * CPU may issues two PMIs very close to each other.
2379 * When the PMI handler services the first one, the
2380 * GLOBAL_STATUS is already updated to reflect both.
2381 * When it IRETs, the second PMI is immediately
2382 * handled and it sees clear status. At the meantime,
2383 * there may be a third PMI, because the freezing bit
2384 * isn't set since the ack in first PMI handlers.
2385 * Double check if there is more work to be done.
2386 */
2387 status = intel_pmu_get_status();
2388 if (status)
2389 goto again;
2390 }
2391
2392 if (bts)
2393 intel_bts_enable_local();
2394 cpuc->enabled = pmu_enabled;
2395 return handled;
2396}
2397
ba12d20e
KL		 2398/*
2399 * This handler is triggered by the local APIC, so the APIC IRQ handling
2400 * rules apply:
2401 */
2402static int intel_pmu_handle_irq(struct pt_regs *regs)
2403{
2404 struct cpu_hw_events *cpuc;
2405 int loops;
2406 u64 status;
2407 int handled;
2408 int pmu_enabled;
2409
2410 cpuc = this_cpu_ptr(&cpu_hw_events);
2411
2412 /*
2413 * Save the PMU state.
2414 * It needs to be restored when leaving the handler.
2415 */
2416 pmu_enabled = cpuc->enabled;
2417 /*
2418 * No known reason to not always do late ACK,
2419 * but just in case do it opt-in.
2420 */
2421 if (!x86_pmu.late_ack)
2422 apic_write(APIC_LVTPC, APIC_DM_NMI);
2423 intel_bts_disable_local();
2424 cpuc->enabled = 0;
2425 __intel_pmu_disable_all();
2426 handled = intel_pmu_drain_bts_buffer();
2427 handled += intel_bts_interrupt();
2428 status = intel_pmu_get_status();
2429 if (!status)
2430 goto done;
2431
2432 loops = 0;
2433again:
2434 intel_pmu_lbr_read();
2435 intel_pmu_ack_status(status);
2436 if (++loops > 100) {
2437 static bool warned;
2438
2439 if (!warned) {
2440 WARN(1, "perfevents: irq loop stuck!\n");
2441 perf_event_print_debug();
2442 warned = true;
2443 }
2444 intel_pmu_reset();
2445 goto done;
2446 }
2447
2448 handled += handle_pmi_common(regs, status);
2449
f22f54f4
PZ		 2450 /*
2451 * Repeat if there is more work to be done:
2452 */
2453 status = intel_pmu_get_status();
2454 if (status)
2455 goto again;
2456
3fb2b8dd 2457done:
c3d266c8 2458 /* Only restore PMU state when it's active. See x86_pmu_disable(). */
82d71ed0
KL		 2459 cpuc->enabled = pmu_enabled;
2460 if (pmu_enabled)
c3d266c8 2461 __intel_pmu_enable_all(0, true);
cecf6235 2462 intel_bts_enable_local();
c3d266c8 2463
72db5596
AK		 2464 /*
2465 * Only unmask the NMI after the overflow counters
2466 * have been reset. This avoids spurious NMIs on
2467 * Haswell CPUs.
2468 */
2469 if (x86_pmu.late_ack)
2470 apic_write(APIC_LVTPC, APIC_DM_NMI);
de725dec 2471 return handled;
f22f54f4
PZ		 2472}
2473
f22f54f4 2474static struct event_constraint *
ca037701 2475intel_bts_constraints(struct perf_event *event)
f22f54f4 2476{
67266c10 2477 if (unlikely(intel_pmu_has_bts(event)))
f22f54f4 2478 return &bts_constraint;
ca037701 2479
f22f54f4
PZ		 2480 return NULL;
2481}
2482
ae3f011f 2483static int intel_alt_er(int idx, u64 config)
b79e8941 2484{
e01d8718
PZ		 2485 int alt_idx = idx;
2486
9a5e3fb5 2487 if (!(x86_pmu.flags & PMU_FL_HAS_RSP_1))
5a425294 2488 return idx;
b79e8941 2489
5a425294 2490 if (idx == EXTRA_REG_RSP_0)
ae3f011f 2491 alt_idx = EXTRA_REG_RSP_1;
5a425294
PZ		 2492
2493 if (idx == EXTRA_REG_RSP_1)
ae3f011f 2494 alt_idx = EXTRA_REG_RSP_0;
5a425294 2495
ae3f011f
KL		 2496 if (config & ~x86_pmu.extra_regs[alt_idx].valid_mask)
2497 return idx;
2498
2499 return alt_idx;
5a425294
PZ		 2500}
2501
2502static void intel_fixup_er(struct perf_event *event, int idx)
2503{
2504 event->hw.extra_reg.idx = idx;
2505
2506 if (idx == EXTRA_REG_RSP_0) {
b79e8941 2507 event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
53ad0447 2508 event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_0].event;
b79e8941 2509 event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0;
5a425294
PZ		 2510 } else if (idx == EXTRA_REG_RSP_1) {
2511 event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
53ad0447 2512 event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_1].event;
5a425294 2513 event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1;
b79e8941 2514 }
b79e8941
PZ		 2515}
2516
efc9f05d
SE		 2517/*
2518 * manage allocation of shared extra msr for certain events
2519 *
2520 * sharing can be:
2521 * per-cpu: to be shared between the various events on a single PMU
2522 * per-core: per-cpu + shared by HT threads
2523 */
a7e3ed1e 2524static struct event_constraint *
efc9f05d 2525__intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc,
b36817e8
SE		 2526 struct perf_event *event,
2527 struct hw_perf_event_extra *reg)
a7e3ed1e 2528{
efc9f05d 2529 struct event_constraint *c = &emptyconstraint;
a7e3ed1e 2530 struct er_account *era;
cd8a38d3 2531 unsigned long flags;
5a425294 2532 int idx = reg->idx;
a7e3ed1e 2533
5a425294
PZ		 2534 /*
2535 * reg->alloc can be set due to existing state, so for fake cpuc we
2536 * need to ignore this, otherwise we might fail to allocate proper fake
2537 * state for this extra reg constraint. Also see the comment below.
2538 */
2539 if (reg->alloc && !cpuc->is_fake)
b36817e8 2540 return NULL; /* call x86_get_event_constraint() */
a7e3ed1e 2541
b79e8941 2542again:
5a425294 2543 era = &cpuc->shared_regs->regs[idx];
cd8a38d3
SE		 2544 /*
2545 * we use spin_lock_irqsave() to avoid lockdep issues when
2546 * passing a fake cpuc
2547 */
2548 raw_spin_lock_irqsave(&era->lock, flags);
efc9f05d
SE		 2549
2550 if (!atomic_read(&era->ref) || era->config == reg->config) {
2551
5a425294
PZ		 2552 /*
2553 * If its a fake cpuc -- as per validate_{group,event}() we
2554 * shouldn't touch event state and we can avoid doing so
2555 * since both will only call get_event_constraints() once
2556 * on each event, this avoids the need for reg->alloc.
2557 *
2558 * Not doing the ER fixup will only result in era->reg being
2559 * wrong, but since we won't actually try and program hardware
2560 * this isn't a problem either.
2561 */
2562 if (!cpuc->is_fake) {
2563 if (idx != reg->idx)
2564 intel_fixup_er(event, idx);
2565
2566 /*
2567 * x86_schedule_events() can call get_event_constraints()
2568 * multiple times on events in the case of incremental
2569 * scheduling(). reg->alloc ensures we only do the ER
2570 * allocation once.
2571 */
2572 reg->alloc = 1;
2573 }
2574
efc9f05d
SE		 2575 /* lock in msr value */
2576 era->config = reg->config;
2577 era->reg = reg->reg;
2578
2579 /* one more user */
2580 atomic_inc(&era->ref);
2581
a7e3ed1e 2582 /*
b36817e8
SE		 2583 * need to call x86_get_event_constraint()
2584 * to check if associated event has constraints
a7e3ed1e 2585 */
b36817e8 2586 c = NULL;
5a425294 2587 } else {
ae3f011f 2588 idx = intel_alt_er(idx, reg->config);
5a425294
PZ		 2589 if (idx != reg->idx) {
2590 raw_spin_unlock_irqrestore(&era->lock, flags);
2591 goto again;
2592 }
a7e3ed1e 2593 }
cd8a38d3 2594 raw_spin_unlock_irqrestore(&era->lock, flags);
a7e3ed1e 2595
efc9f05d
SE		 2596 return c;
2597}
2598
2599static void
2600__intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc,
2601 struct hw_perf_event_extra *reg)
2602{
2603 struct er_account *era;
2604
2605 /*
5a425294
PZ		 2606 * Only put constraint if extra reg was actually allocated. Also takes
2607 * care of event which do not use an extra shared reg.
2608 *
2609 * Also, if this is a fake cpuc we shouldn't touch any event state
2610 * (reg->alloc) and we don't care about leaving inconsistent cpuc state
2611 * either since it'll be thrown out.
efc9f05d 2612 */
5a425294 2613 if (!reg->alloc || cpuc->is_fake)
efc9f05d
SE		 2614 return;
2615
2616 era = &cpuc->shared_regs->regs[reg->idx];
2617
2618 /* one fewer user */
2619 atomic_dec(&era->ref);
2620
2621 /* allocate again next time */
2622 reg->alloc = 0;
2623}
2624
2625static struct event_constraint *
2626intel_shared_regs_constraints(struct cpu_hw_events *cpuc,
2627 struct perf_event *event)
2628{
b36817e8
SE		 2629 struct event_constraint *c = NULL, *d;
2630 struct hw_perf_event_extra *xreg, *breg;
2631
2632 xreg = &event->hw.extra_reg;
2633 if (xreg->idx != EXTRA_REG_NONE) {
2634 c = __intel_shared_reg_get_constraints(cpuc, event, xreg);
2635 if (c == &emptyconstraint)
2636 return c;
2637 }
2638 breg = &event->hw.branch_reg;
2639 if (breg->idx != EXTRA_REG_NONE) {
2640 d = __intel_shared_reg_get_constraints(cpuc, event, breg);
2641 if (d == &emptyconstraint) {
2642 __intel_shared_reg_put_constraints(cpuc, xreg);
2643 c = d;
2644 }
2645 }
efc9f05d 2646 return c;
a7e3ed1e
AK		 2647}
2648
de0428a7 2649struct event_constraint *
79cba822
SE		 2650x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
2651 struct perf_event *event)
de0428a7
KW		 2652{
2653 struct event_constraint *c;
2654
2655 if (x86_pmu.event_constraints) {
2656 for_each_event_constraint(c, x86_pmu.event_constraints) {
9fac2cf3 2657 if ((event->hw.config & c->cmask) == c->code) {
9fac2cf3 2658 event->hw.flags |= c->flags;
de0428a7 2659 return c;
9fac2cf3 2660 }
de0428a7
KW		 2661 }
2662 }
2663
2664 return &unconstrained;
2665}
2666
f22f54f4 2667static struct event_constraint *
e979121b 2668__intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
79cba822 2669 struct perf_event *event)
f22f54f4
PZ		 2670{
2671 struct event_constraint *c;
2672
ca037701
PZ		 2673 c = intel_bts_constraints(event);
2674 if (c)
2675 return c;
2676
687805e4 2677 c = intel_shared_regs_constraints(cpuc, event);
f22f54f4
PZ		 2678 if (c)
2679 return c;
2680
687805e4 2681 c = intel_pebs_constraints(event);
a7e3ed1e
AK		 2682 if (c)
2683 return c;
2684
79cba822 2685 return x86_get_event_constraints(cpuc, idx, event);
f22f54f4
PZ		 2686}
2687
e979121b
MD		 2688static void
2689intel_start_scheduling(struct cpu_hw_events *cpuc)
2690{
2691 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
1c565833 2692 struct intel_excl_states *xl;
e979121b 2693 int tid = cpuc->excl_thread_id;
e979121b
MD		 2694
2695 /*
2696 * nothing needed if in group validation mode
2697 */
b37609c3 2698 if (cpuc->is_fake || !is_ht_workaround_enabled())
e979121b 2699 return;
b37609c3 2700
e979121b
MD		 2701 /*
2702 * no exclusion needed
2703 */
17186ccd 2704 if (WARN_ON_ONCE(!excl_cntrs))
e979121b
MD		 2705 return;
2706
e979121b
MD		 2707 xl = &excl_cntrs->states[tid];
2708
2709 xl->sched_started = true;
e979121b
MD		 2710 /*
2711 * lock shared state until we are done scheduling
2712 * in stop_event_scheduling()
2713 * makes scheduling appear as a transaction
2714 */
e979121b 2715 raw_spin_lock(&excl_cntrs->lock);
e979121b
MD		 2716}
2717
0c41e756
PZ		 2718static void intel_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr)
2719{
2720 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
2721 struct event_constraint *c = cpuc->event_constraint[idx];
2722 struct intel_excl_states *xl;
2723 int tid = cpuc->excl_thread_id;
2724
2725 if (cpuc->is_fake || !is_ht_workaround_enabled())
2726 return;
2727
2728 if (WARN_ON_ONCE(!excl_cntrs))
2729 return;
2730
2731 if (!(c->flags & PERF_X86_EVENT_DYNAMIC))
2732 return;
2733
2734 xl = &excl_cntrs->states[tid];
2735
2736 lockdep_assert_held(&excl_cntrs->lock);
2737
1fe684e3 2738 if (c->flags & PERF_X86_EVENT_EXCL)
43ef205b 2739 xl->state[cntr] = INTEL_EXCL_EXCLUSIVE;
1fe684e3 2740 else
43ef205b 2741 xl->state[cntr] = INTEL_EXCL_SHARED;
0c41e756
PZ		 2742}
2743
e979121b
MD		 2744static void
2745intel_stop_scheduling(struct cpu_hw_events *cpuc)
2746{
2747 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
1c565833 2748 struct intel_excl_states *xl;
e979121b 2749 int tid = cpuc->excl_thread_id;
e979121b
MD		 2750
2751 /*
2752 * nothing needed if in group validation mode
2753 */
b37609c3 2754 if (cpuc->is_fake || !is_ht_workaround_enabled())
e979121b
MD		 2755 return;
2756 /*
2757 * no exclusion needed
2758 */
17186ccd 2759 if (WARN_ON_ONCE(!excl_cntrs))
e979121b
MD		 2760 return;
2761
e979121b
MD		 2762 xl = &excl_cntrs->states[tid];
2763
e979121b
MD		 2764 xl->sched_started = false;
2765 /*
2766 * release shared state lock (acquired in intel_start_scheduling())
2767 */
2768 raw_spin_unlock(&excl_cntrs->lock);
2769}
2770
2771static struct event_constraint *
2772intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event,
2773 int idx, struct event_constraint *c)
2774{
e979121b 2775 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
1c565833 2776 struct intel_excl_states *xlo;
e979121b 2777 int tid = cpuc->excl_thread_id;
1c565833 2778 int is_excl, i;
e979121b
MD		 2779
2780 /*
2781 * validating a group does not require
2782 * enforcing cross-thread exclusion
2783 */
b37609c3
SE		 2784 if (cpuc->is_fake || !is_ht_workaround_enabled())
2785 return c;
2786
2787 /*
2788 * no exclusion needed
2789 */
17186ccd 2790 if (WARN_ON_ONCE(!excl_cntrs))
e979121b 2791 return c;
e979121b 2792
e979121b
MD		 2793 /*
2794 * because we modify the constraint, we need
2795 * to make a copy. Static constraints come
2796 * from static const tables.
2797 *
2798 * only needed when constraint has not yet
2799 * been cloned (marked dynamic)
2800 */
2801 if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) {
aaf932e8 2802 struct event_constraint *cx;
e979121b 2803
e979121b
MD		 2804 /*
2805 * grab pre-allocated constraint entry
2806 */
2807 cx = &cpuc->constraint_list[idx];
2808
2809 /*
2810 * initialize dynamic constraint
2811 * with static constraint
2812 */
aaf932e8 2813 *cx = *c;
e979121b
MD		 2814
2815 /*
2816 * mark constraint as dynamic, so we
2817 * can free it later on
2818 */
2819 cx->flags |= PERF_X86_EVENT_DYNAMIC;
aaf932e8 2820 c = cx;
e979121b
MD		 2821 }
2822
2823 /*
2824 * From here on, the constraint is dynamic.
2825 * Either it was just allocated above, or it
2826 * was allocated during a earlier invocation
2827 * of this function
2828 */
2829
1c565833
PZ		 2830 /*
2831 * state of sibling HT
2832 */
2833 xlo = &excl_cntrs->states[tid ^ 1];
2834
2835 /*
2836 * event requires exclusive counter access
2837 * across HT threads
2838 */
2839 is_excl = c->flags & PERF_X86_EVENT_EXCL;
2840 if (is_excl && !(event->hw.flags & PERF_X86_EVENT_EXCL_ACCT)) {
2841 event->hw.flags |= PERF_X86_EVENT_EXCL_ACCT;
2842 if (!cpuc->n_excl++)
2843 WRITE_ONCE(excl_cntrs->has_exclusive[tid], 1);
2844 }
2845
e979121b
MD		 2846 /*
2847 * Modify static constraint with current dynamic
2848 * state of thread
2849 *
2850 * EXCLUSIVE: sibling counter measuring exclusive event
2851 * SHARED : sibling counter measuring non-exclusive event
2852 * UNUSED : sibling counter unused
2853 */
aaf932e8 2854 for_each_set_bit(i, c->idxmsk, X86_PMC_IDX_MAX) {
e979121b
MD		 2855 /*
2856 * exclusive event in sibling counter
2857 * our corresponding counter cannot be used
2858 * regardless of our event
2859 */
1c565833 2860 if (xlo->state[i] == INTEL_EXCL_EXCLUSIVE)
aaf932e8 2861 __clear_bit(i, c->idxmsk);
e979121b
MD		 2862 /*
2863 * if measuring an exclusive event, sibling
2864 * measuring non-exclusive, then counter cannot
2865 * be used
2866 */
1c565833 2867 if (is_excl && xlo->state[i] == INTEL_EXCL_SHARED)
aaf932e8 2868 __clear_bit(i, c->idxmsk);
e979121b
MD		 2869 }
2870
2871 /*
2872 * recompute actual bit weight for scheduling algorithm
2873 */
aaf932e8 2874 c->weight = hweight64(c->idxmsk64);
e979121b
MD		 2875
2876 /*
2877 * if we return an empty mask, then switch
2878 * back to static empty constraint to avoid
2879 * the cost of freeing later on
2880 */
aaf932e8
PZ		 2881 if (c->weight == 0)
2882 c = &emptyconstraint;
e979121b 2883
aaf932e8 2884 return c;
e979121b
MD		 2885}
2886
2887static struct event_constraint *
2888intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
2889 struct perf_event *event)
2890{
ebfb4988 2891 struct event_constraint *c1 = NULL;
a90738c2 2892 struct event_constraint *c2;
e979121b 2893
ebfb4988
PZ		 2894 if (idx >= 0) /* fake does < 0 */
2895 c1 = cpuc->event_constraint[idx];
2896
e979121b
MD		 2897 /*
2898 * first time only
2899 * - static constraint: no change across incremental scheduling calls
2900 * - dynamic constraint: handled by intel_get_excl_constraints()
2901 */
a90738c2
SE		 2902 c2 = __intel_get_event_constraints(cpuc, idx, event);
2903 if (c1 && (c1->flags & PERF_X86_EVENT_DYNAMIC)) {
2904 bitmap_copy(c1->idxmsk, c2->idxmsk, X86_PMC_IDX_MAX);
2905 c1->weight = c2->weight;
2906 c2 = c1;
2907 }
e979121b
MD		 2908
2909 if (cpuc->excl_cntrs)
a90738c2 2910 return intel_get_excl_constraints(cpuc, event, idx, c2);
e979121b 2911
a90738c2 2912 return c2;
e979121b
MD		 2913}
2914
2915static void intel_put_excl_constraints(struct cpu_hw_events *cpuc,
2916 struct perf_event *event)
2917{
2918 struct hw_perf_event *hwc = &event->hw;
2919 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
e979121b 2920 int tid = cpuc->excl_thread_id;
1c565833 2921 struct intel_excl_states *xl;
e979121b
MD		 2922
2923 /*
2924 * nothing needed if in group validation mode
2925 */
2926 if (cpuc->is_fake)
2927 return;
2928
17186ccd 2929 if (WARN_ON_ONCE(!excl_cntrs))
e979121b
MD		 2930 return;
2931
cc1790cf
PZ		 2932 if (hwc->flags & PERF_X86_EVENT_EXCL_ACCT) {
2933 hwc->flags &= ~PERF_X86_EVENT_EXCL_ACCT;
2934 if (!--cpuc->n_excl)
2935 WRITE_ONCE(excl_cntrs->has_exclusive[tid], 0);
2936 }
e979121b
MD		 2937
2938 /*
ba040653
PZ		 2939 * If event was actually assigned, then mark the counter state as
2940 * unused now.
e979121b 2941 */
ba040653
PZ		 2942 if (hwc->idx >= 0) {
2943 xl = &excl_cntrs->states[tid];
2944
2945 /*
2946 * put_constraint may be called from x86_schedule_events()
2947 * which already has the lock held so here make locking
2948 * conditional.
2949 */
2950 if (!xl->sched_started)
2951 raw_spin_lock(&excl_cntrs->lock);
e979121b 2952
1c565833 2953 xl->state[hwc->idx] = INTEL_EXCL_UNUSED;
e979121b 2954
ba040653
PZ		 2955 if (!xl->sched_started)
2956 raw_spin_unlock(&excl_cntrs->lock);
2957 }
e979121b
MD		 2958}
2959
efc9f05d
SE		 2960static void
2961intel_put_shared_regs_event_constraints(struct cpu_hw_events *cpuc,
a7e3ed1e
AK		 2962 struct perf_event *event)
2963{
efc9f05d 2964 struct hw_perf_event_extra *reg;
a7e3ed1e 2965
efc9f05d
SE		 2966 reg = &event->hw.extra_reg;
2967 if (reg->idx != EXTRA_REG_NONE)
2968 __intel_shared_reg_put_constraints(cpuc, reg);
b36817e8
SE		 2969
2970 reg = &event->hw.branch_reg;
2971 if (reg->idx != EXTRA_REG_NONE)
2972 __intel_shared_reg_put_constraints(cpuc, reg);
efc9f05d 2973}
a7e3ed1e 2974
efc9f05d
SE		 2975static void intel_put_event_constraints(struct cpu_hw_events *cpuc,
2976 struct perf_event *event)
2977{
2978 intel_put_shared_regs_event_constraints(cpuc, event);
e979121b
MD		 2979
2980 /*
2981 * is PMU has exclusive counter restrictions, then
2982 * all events are subject to and must call the
2983 * put_excl_constraints() routine
2984 */
b371b594 2985 if (cpuc->excl_cntrs)
e979121b 2986 intel_put_excl_constraints(cpuc, event);
e979121b
MD		 2987}
2988
0780c927 2989static void intel_pebs_aliases_core2(struct perf_event *event)
b4cdc5c2 2990{
0780c927 2991 if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
7639dae0
PZ		 2992 /*
2993 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
2994 * (0x003c) so that we can use it with PEBS.
2995 *
2996 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
2997 * PEBS capable. However we can use INST_RETIRED.ANY_P
2998 * (0x00c0), which is a PEBS capable event, to get the same
2999 * count.
3000 *
3001 * INST_RETIRED.ANY_P counts the number of cycles that retires
3002 * CNTMASK instructions. By setting CNTMASK to a value (16)
3003 * larger than the maximum number of instructions that can be
3004 * retired per cycle (4) and then inverting the condition, we
3005 * count all cycles that retire 16 or less instructions, which
3006 * is every cycle.
3007 *
3008 * Thereby we gain a PEBS capable cycle counter.
3009 */
f9b4eeb8
PZ		 3010 u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16);
3011
0780c927
PZ		 3012 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
3013 event->hw.config = alt_config;
3014 }
3015}
3016
3017static void intel_pebs_aliases_snb(struct perf_event *event)
3018{
3019 if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
3020 /*
3021 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
3022 * (0x003c) so that we can use it with PEBS.
3023 *
3024 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
3025 * PEBS capable. However we can use UOPS_RETIRED.ALL
3026 * (0x01c2), which is a PEBS capable event, to get the same
3027 * count.
3028 *
3029 * UOPS_RETIRED.ALL counts the number of cycles that retires
3030 * CNTMASK micro-ops. By setting CNTMASK to a value (16)
3031 * larger than the maximum number of micro-ops that can be
3032 * retired per cycle (4) and then inverting the condition, we
3033 * count all cycles that retire 16 or less micro-ops, which
3034 * is every cycle.
3035 *
3036 * Thereby we gain a PEBS capable cycle counter.
3037 */
3038 u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16);
7639dae0
PZ		 3039
3040 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
3041 event->hw.config = alt_config;
3042 }
0780c927
PZ		 3043}
3044
72469764
AK		 3045static void intel_pebs_aliases_precdist(struct perf_event *event)
3046{
3047 if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
3048 /*
3049 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
3050 * (0x003c) so that we can use it with PEBS.
3051 *
3052 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
3053 * PEBS capable. However we can use INST_RETIRED.PREC_DIST
3054 * (0x01c0), which is a PEBS capable event, to get the same
3055 * count.
3056 *
3057 * The PREC_DIST event has special support to minimize sample
3058 * shadowing effects. One drawback is that it can be
3059 * only programmed on counter 1, but that seems like an
3060 * acceptable trade off.
3061 */
3062 u64 alt_config = X86_CONFIG(.event=0xc0, .umask=0x01, .inv=1, .cmask=16);
3063
3064 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
3065 event->hw.config = alt_config;
3066 }
3067}
3068
3069static void intel_pebs_aliases_ivb(struct perf_event *event)
3070{
3071 if (event->attr.precise_ip < 3)
3072 return intel_pebs_aliases_snb(event);
3073 return intel_pebs_aliases_precdist(event);
3074}
3075
3076static void intel_pebs_aliases_skl(struct perf_event *event)
3077{
3078 if (event->attr.precise_ip < 3)
3079 return intel_pebs_aliases_core2(event);
3080 return intel_pebs_aliases_precdist(event);
3081}
3082
174afc3e 3083static unsigned long intel_pmu_large_pebs_flags(struct perf_event *event)
a7b58d21 3084{
174afc3e 3085 unsigned long flags = x86_pmu.large_pebs_flags;
a7b58d21
AK		 3086
3087 if (event->attr.use_clockid)
3088 flags &= ~PERF_SAMPLE_TIME;
a47ba4d7
AK		 3089 if (!event->attr.exclude_kernel)
3090 flags &= ~PERF_SAMPLE_REGS_USER;
3091 if (event->attr.sample_regs_user & ~PEBS_REGS)
3092 flags &= ~(PERF_SAMPLE_REGS_USER | PERF_SAMPLE_REGS_INTR);
a7b58d21
AK		 3093 return flags;
3094}
3095
ed6101bb
JO		 3096static int intel_pmu_bts_config(struct perf_event *event)
3097{
3098 struct perf_event_attr *attr = &event->attr;
ed6101bb 3099
67266c10 3100 if (unlikely(intel_pmu_has_bts(event))) {
ed6101bb
JO		 3101 /* BTS is not supported by this architecture. */
3102 if (!x86_pmu.bts_active)
3103 return -EOPNOTSUPP;
3104
3105 /* BTS is currently only allowed for user-mode. */
3106 if (!attr->exclude_kernel)
3107 return -EOPNOTSUPP;
3108
472de49f
JO		 3109 /* BTS is not allowed for precise events. */
3110 if (attr->precise_ip)
3111 return -EOPNOTSUPP;
3112
ed6101bb
JO		 3113 /* disallow bts if conflicting events are present */
3114 if (x86_add_exclusive(x86_lbr_exclusive_lbr))
3115 return -EBUSY;
3116
3117 event->destroy = hw_perf_lbr_event_destroy;
3118 }
3119
3120 return 0;
3121}
3122
3123static int core_pmu_hw_config(struct perf_event *event)
3124{
3125 int ret = x86_pmu_hw_config(event);
3126
3127 if (ret)
3128 return ret;
3129
3130 return intel_pmu_bts_config(event);
3131}
3132
0780c927
PZ		 3133static int intel_pmu_hw_config(struct perf_event *event)
3134{
3135 int ret = x86_pmu_hw_config(event);
3136
ed6101bb
JO		 3137 if (ret)
3138 return ret;
3139
3140 ret = intel_pmu_bts_config(event);
0780c927
PZ		 3141 if (ret)
3142 return ret;
3143
851559e3 3144 if (event->attr.precise_ip) {
3569c0d7 3145 if (!event->attr.freq) {
851559e3 3146 event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD;
a7b58d21 3147 if (!(event->attr.sample_type &
174afc3e
KL		 3148 ~intel_pmu_large_pebs_flags(event)))
3149 event->hw.flags |= PERF_X86_EVENT_LARGE_PEBS;
3569c0d7 3150 }
851559e3
YZ		 3151 if (x86_pmu.pebs_aliases)
3152 x86_pmu.pebs_aliases(event);
6cbc304f
PZ		 3153
3154 if (event->attr.sample_type & PERF_SAMPLE_CALLCHAIN)
3155 event->attr.sample_type |= __PERF_SAMPLE_CALLCHAIN_EARLY;
851559e3 3156 }
7639dae0 3157
a46a2300 3158 if (needs_branch_stack(event)) {
60ce0fbd
SE		 3159 ret = intel_pmu_setup_lbr_filter(event);
3160 if (ret)
3161 return ret;
48070342
AS		 3162
3163 /*
3164 * BTS is set up earlier in this path, so don't account twice
3165 */
67266c10 3166 if (!unlikely(intel_pmu_has_bts(event))) {
48070342
AS		 3167 /* disallow lbr if conflicting events are present */
3168 if (x86_add_exclusive(x86_lbr_exclusive_lbr))
3169 return -EBUSY;
3170
3171 event->destroy = hw_perf_lbr_event_destroy;
3172 }
60ce0fbd
SE		 3173 }
3174
b4cdc5c2
PZ		 3175 if (event->attr.type != PERF_TYPE_RAW)
3176 return 0;
3177
3178 if (!(event->attr.config & ARCH_PERFMON_EVENTSEL_ANY))
3179 return 0;
3180
3181 if (x86_pmu.version < 3)
3182 return -EINVAL;
3183
3184 if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
3185 return -EACCES;
3186
3187 event->hw.config |= ARCH_PERFMON_EVENTSEL_ANY;
3188
3189 return 0;
3190}
3191
144d31e6
GN		 3192struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr)
3193{
3194 if (x86_pmu.guest_get_msrs)
3195 return x86_pmu.guest_get_msrs(nr);
3196 *nr = 0;
3197 return NULL;
3198}
3199EXPORT_SYMBOL_GPL(perf_guest_get_msrs);
3200
3201static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr)
3202{
89cbc767 3203 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
144d31e6
GN		 3204 struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs;
3205
3206 arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL;
3207 arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask;
3208 arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask;
26a4f3c0
GN		 3209 /*
3210 * If PMU counter has PEBS enabled it is not enough to disable counter
3211 * on a guest entry since PEBS memory write can overshoot guest entry
3212 * and corrupt guest memory. Disabling PEBS solves the problem.
3213 */
3214 arr[1].msr = MSR_IA32_PEBS_ENABLE;
3215 arr[1].host = cpuc->pebs_enabled;
3216 arr[1].guest = 0;
144d31e6 3217
26a4f3c0 3218 *nr = 2;
144d31e6
GN		 3219 return arr;
3220}
3221
3222static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr)
3223{
89cbc767 3224 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
144d31e6
GN		 3225 struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs;
3226 int idx;
3227
3228 for (idx = 0; idx < x86_pmu.num_counters; idx++) {
3229 struct perf_event *event = cpuc->events[idx];
3230
3231 arr[idx].msr = x86_pmu_config_addr(idx);
3232 arr[idx].host = arr[idx].guest = 0;
3233
3234 if (!test_bit(idx, cpuc->active_mask))
3235 continue;
3236
3237 arr[idx].host = arr[idx].guest =
3238 event->hw.config | ARCH_PERFMON_EVENTSEL_ENABLE;
3239
3240 if (event->attr.exclude_host)
3241 arr[idx].host &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
3242 else if (event->attr.exclude_guest)
3243 arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
3244 }
3245
3246 *nr = x86_pmu.num_counters;
3247 return arr;
3248}
3249
3250static void core_pmu_enable_event(struct perf_event *event)
3251{
3252 if (!event->attr.exclude_host)
3253 x86_pmu_enable_event(event);
3254}
3255
3256static void core_pmu_enable_all(int added)
3257{
89cbc767 3258 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
144d31e6
GN		 3259 int idx;
3260
3261 for (idx = 0; idx < x86_pmu.num_counters; idx++) {
3262 struct hw_perf_event *hwc = &cpuc->events[idx]->hw;
3263
3264 if (!test_bit(idx, cpuc->active_mask) ||
3265 cpuc->events[idx]->attr.exclude_host)
3266 continue;
3267
3268 __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
3269 }
3270}
3271
3a632cb2
AK		 3272static int hsw_hw_config(struct perf_event *event)
3273{
3274 int ret = intel_pmu_hw_config(event);
3275
3276 if (ret)
3277 return ret;
3278 if (!boot_cpu_has(X86_FEATURE_RTM) && !boot_cpu_has(X86_FEATURE_HLE))
3279 return 0;
3280 event->hw.config |= event->attr.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED);
3281
3282 /*
3283 * IN_TX/IN_TX-CP filters are not supported by the Haswell PMU with
3284 * PEBS or in ANY thread mode. Since the results are non-sensical forbid
3285 * this combination.
3286 */
3287 if ((event->hw.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED)) &&
3288 ((event->hw.config & ARCH_PERFMON_EVENTSEL_ANY) ||
3289 event->attr.precise_ip > 0))
3290 return -EOPNOTSUPP;
3291
2dbf0116
AK		 3292 if (event_is_checkpointed(event)) {
3293 /*
3294 * Sampling of checkpointed events can cause situations where
3295 * the CPU constantly aborts because of a overflow, which is
3296 * then checkpointed back and ignored. Forbid checkpointing
3297 * for sampling.
3298 *
3299 * But still allow a long sampling period, so that perf stat
3300 * from KVM works.
3301 */
3302 if (event->attr.sample_period > 0 &&
3303 event->attr.sample_period < 0x7fffffff)
3304 return -EOPNOTSUPP;
3305 }
3a632cb2
AK		 3306 return 0;
3307}
3308
dd0b06b5
KL		 3309static struct event_constraint counter0_constraint =
3310 INTEL_ALL_EVENT_CONSTRAINT(0, 0x1);
3311
3a632cb2
AK		 3312static struct event_constraint counter2_constraint =
3313 EVENT_CONSTRAINT(0, 0x4, 0);
3314
3315static struct event_constraint *
79cba822
SE		 3316hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3317 struct perf_event *event)
3a632cb2 3318{
79cba822
SE		 3319 struct event_constraint *c;
3320
3321 c = intel_get_event_constraints(cpuc, idx, event);
3a632cb2
AK		 3322
3323 /* Handle special quirk on in_tx_checkpointed only in counter 2 */
3324 if (event->hw.config & HSW_IN_TX_CHECKPOINTED) {
3325 if (c->idxmsk64 & (1U << 2))
3326 return &counter2_constraint;
3327 return &emptyconstraint;
3328 }
3329
3330 return c;
3331}
3332
dd0b06b5
KL		 3333static struct event_constraint *
3334glp_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3335 struct perf_event *event)
3336{
3337 struct event_constraint *c;
3338
3339 /* :ppp means to do reduced skid PEBS which is PMC0 only. */
3340 if (event->attr.precise_ip == 3)
3341 return &counter0_constraint;
3342
3343 c = intel_get_event_constraints(cpuc, idx, event);
3344
3345 return c;
3346}
3347
294fe0f5
AK		 3348/*
3349 * Broadwell:
3350 *
3351 * The INST_RETIRED.ALL period always needs to have lowest 6 bits cleared
3352 * (BDM55) and it must not use a period smaller than 100 (BDM11). We combine
3353 * the two to enforce a minimum period of 128 (the smallest value that has bits
3354 * 0-5 cleared and >= 100).
3355 *
3356 * Because of how the code in x86_perf_event_set_period() works, the truncation
3357 * of the lower 6 bits is 'harmless' as we'll occasionally add a longer period
3358 * to make up for the 'lost' events due to carrying the 'error' in period_left.
3359 *
3360 * Therefore the effective (average) period matches the requested period,
3361 * despite coarser hardware granularity.
3362 */
f605cfca 3363static u64 bdw_limit_period(struct perf_event *event, u64 left)
294fe0f5
AK		 3364{
3365 if ((event->hw.config & INTEL_ARCH_EVENT_MASK) ==
3366 X86_CONFIG(.event=0xc0, .umask=0x01)) {
3367 if (left < 128)
3368 left = 128;
e5ea9b54 3369 left &= ~0x3fULL;
294fe0f5
AK		 3370 }
3371 return left;
3372}
3373
641cc938
JO		 3374PMU_FORMAT_ATTR(event, "config:0-7" );
3375PMU_FORMAT_ATTR(umask, "config:8-15" );
3376PMU_FORMAT_ATTR(edge, "config:18" );
3377PMU_FORMAT_ATTR(pc, "config:19" );
3378PMU_FORMAT_ATTR(any, "config:21" ); /* v3 + */
3379PMU_FORMAT_ATTR(inv, "config:23" );
3380PMU_FORMAT_ATTR(cmask, "config:24-31" );
3a632cb2
AK		 3381PMU_FORMAT_ATTR(in_tx, "config:32");
3382PMU_FORMAT_ATTR(in_tx_cp, "config:33");
641cc938
JO		 3383
3384static struct attribute *intel_arch_formats_attr[] = {
3385 &format_attr_event.attr,
3386 &format_attr_umask.attr,
3387 &format_attr_edge.attr,
3388 &format_attr_pc.attr,
3389 &format_attr_inv.attr,
3390 &format_attr_cmask.attr,
3391 NULL,
3392};
3393
0bf79d44
JO		 3394ssize_t intel_event_sysfs_show(char *page, u64 config)
3395{
3396 u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT);
3397
3398 return x86_event_sysfs_show(page, config, event);
3399}
3400
de0428a7 3401struct intel_shared_regs *allocate_shared_regs(int cpu)
efc9f05d
SE		 3402{
3403 struct intel_shared_regs *regs;
3404 int i;
3405
3406 regs = kzalloc_node(sizeof(struct intel_shared_regs),
3407 GFP_KERNEL, cpu_to_node(cpu));
3408 if (regs) {
3409 /*
3410 * initialize the locks to keep lockdep happy
3411 */
3412 for (i = 0; i < EXTRA_REG_MAX; i++)
3413 raw_spin_lock_init(&regs->regs[i].lock);
3414
3415 regs->core_id = -1;
3416 }
3417 return regs;
3418}
3419
6f6539ca
MD		 3420static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu)
3421{
3422 struct intel_excl_cntrs *c;
6f6539ca
MD		 3423
3424 c = kzalloc_node(sizeof(struct intel_excl_cntrs),
3425 GFP_KERNEL, cpu_to_node(cpu));
3426 if (c) {
3427 raw_spin_lock_init(&c->lock);
6f6539ca
MD		 3428 c->core_id = -1;
3429 }
3430 return c;
3431}
3432
a7e3ed1e
AK		 3433static int intel_pmu_cpu_prepare(int cpu)
3434{
3435 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3436
6f6539ca
MD		 3437 if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) {
3438 cpuc->shared_regs = allocate_shared_regs(cpu);
3439 if (!cpuc->shared_regs)
dbc72b7a 3440 goto err;
6f6539ca 3441 }
69092624 3442
6f6539ca
MD		 3443 if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) {
3444 size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint);
3445
3446 cpuc->constraint_list = kzalloc(sz, GFP_KERNEL);
3447 if (!cpuc->constraint_list)
dbc72b7a 3448 goto err_shared_regs;
6f6539ca
MD		 3449
3450 cpuc->excl_cntrs = allocate_excl_cntrs(cpu);
dbc72b7a
PZ		 3451 if (!cpuc->excl_cntrs)
3452 goto err_constraint_list;
3453
6f6539ca
MD		 3454 cpuc->excl_thread_id = 0;
3455 }
a7e3ed1e 3456
95ca792c 3457 return 0;
dbc72b7a
PZ		 3458
3459err_constraint_list:
3460 kfree(cpuc->constraint_list);
3461 cpuc->constraint_list = NULL;
3462
3463err_shared_regs:
3464 kfree(cpuc->shared_regs);
3465 cpuc->shared_regs = NULL;
3466
3467err:
95ca792c 3468 return -ENOMEM;
a7e3ed1e
AK		 3469}
3470
6089327f
KL		 3471static void flip_smm_bit(void *data)
3472{
3473 unsigned long set = *(unsigned long *)data;
3474
3475 if (set > 0) {
3476 msr_set_bit(MSR_IA32_DEBUGCTLMSR,
3477 DEBUGCTLMSR_FREEZE_IN_SMM_BIT);
3478 } else {
3479 msr_clear_bit(MSR_IA32_DEBUGCTLMSR,
3480 DEBUGCTLMSR_FREEZE_IN_SMM_BIT);
3481 }
3482}
3483
74846d35
PZ		 3484static void intel_pmu_cpu_starting(int cpu)
3485{
a7e3ed1e
AK		 3486 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3487 int core_id = topology_core_id(cpu);
3488 int i;
3489
69092624
LM		 3490 init_debug_store_on_cpu(cpu);
3491 /*
3492 * Deal with CPUs that don't clear their LBRs on power-up.
3493 */
3494 intel_pmu_lbr_reset();
3495
b36817e8
SE		 3496 cpuc->lbr_sel = NULL;
3497
4e949e9b
KL		 3498 if (x86_pmu.version > 1)
3499 flip_smm_bit(&x86_pmu.attr_freeze_on_smi);
6089327f 3500
af3bdb99
AK		 3501 if (x86_pmu.counter_freezing)
3502 enable_counter_freeze();
3503
b36817e8 3504 if (!cpuc->shared_regs)
69092624
LM		 3505 return;
3506
9a5e3fb5 3507 if (!(x86_pmu.flags & PMU_FL_NO_HT_SHARING)) {
06931e62 3508 for_each_cpu(i, topology_sibling_cpumask(cpu)) {
b36817e8 3509 struct intel_shared_regs *pc;
a7e3ed1e 3510
b36817e8
SE		 3511 pc = per_cpu(cpu_hw_events, i).shared_regs;
3512 if (pc && pc->core_id == core_id) {
8f04b853 3513 cpuc->kfree_on_online[0] = cpuc->shared_regs;
b36817e8
SE		 3514 cpuc->shared_regs = pc;
3515 break;
3516 }
a7e3ed1e 3517 }
b36817e8
SE		 3518 cpuc->shared_regs->core_id = core_id;
3519 cpuc->shared_regs->refcnt++;
a7e3ed1e
AK		 3520 }
3521
b36817e8
SE		 3522 if (x86_pmu.lbr_sel_map)
3523 cpuc->lbr_sel = &cpuc->shared_regs->regs[EXTRA_REG_LBR];
6f6539ca
MD		 3524
3525 if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) {
06931e62 3526 for_each_cpu(i, topology_sibling_cpumask(cpu)) {
4e71de79 3527 struct cpu_hw_events *sibling;
6f6539ca
MD		 3528 struct intel_excl_cntrs *c;
3529
4e71de79
ZC		 3530 sibling = &per_cpu(cpu_hw_events, i);
3531 c = sibling->excl_cntrs;
6f6539ca
MD		 3532 if (c && c->core_id == core_id) {
3533 cpuc->kfree_on_online[1] = cpuc->excl_cntrs;
3534 cpuc->excl_cntrs = c;
4e71de79
ZC		 3535 if (!sibling->excl_thread_id)
3536 cpuc->excl_thread_id = 1;
6f6539ca
MD		 3537 break;
3538 }
3539 }
3540 cpuc->excl_cntrs->core_id = core_id;
3541 cpuc->excl_cntrs->refcnt++;
3542 }
74846d35
PZ		 3543}
3544
b37609c3 3545static void free_excl_cntrs(int cpu)
74846d35 3546{
a7e3ed1e 3547 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
6f6539ca 3548 struct intel_excl_cntrs *c;
a7e3ed1e 3549
6f6539ca
MD		 3550 c = cpuc->excl_cntrs;
3551 if (c) {
3552 if (c->core_id == -1 || --c->refcnt == 0)
3553 kfree(c);
3554 cpuc->excl_cntrs = NULL;
3555 kfree(cpuc->constraint_list);
3556 cpuc->constraint_list = NULL;
3557 }
b37609c3 3558}
a7e3ed1e 3559
b37609c3
SE		 3560static void intel_pmu_cpu_dying(int cpu)
3561{
3562 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3563 struct intel_shared_regs *pc;
3564
3565 pc = cpuc->shared_regs;
3566 if (pc) {
3567 if (pc->core_id == -1 || --pc->refcnt == 0)
3568 kfree(pc);
3569 cpuc->shared_regs = NULL;
e979121b
MD		 3570 }
3571
b37609c3
SE		 3572 free_excl_cntrs(cpu);
3573
74846d35 3574 fini_debug_store_on_cpu(cpu);
af3bdb99
AK		 3575
3576 if (x86_pmu.counter_freezing)
3577 disable_counter_freeze();
74846d35
PZ		 3578}
3579
9c964efa
YZ		 3580static void intel_pmu_sched_task(struct perf_event_context *ctx,
3581 bool sched_in)
3582{
df6c3db8
JO		 3583 intel_pmu_pebs_sched_task(ctx, sched_in);
3584 intel_pmu_lbr_sched_task(ctx, sched_in);
9c964efa
YZ		 3585}
3586
641cc938
JO		 3587PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
3588
a63fcab4
SE		 3589PMU_FORMAT_ATTR(ldlat, "config1:0-15");
3590
d0dc8494
AK		 3591PMU_FORMAT_ATTR(frontend, "config1:0-23");
3592
641cc938
JO		 3593static struct attribute *intel_arch3_formats_attr[] = {
3594 &format_attr_event.attr,
3595 &format_attr_umask.attr,
3596 &format_attr_edge.attr,
3597 &format_attr_pc.attr,
3598 &format_attr_any.attr,
3599 &format_attr_inv.attr,
3600 &format_attr_cmask.attr,
a5df70c3
AK		 3601 NULL,
3602};
3603
3604static struct attribute *hsw_format_attr[] = {
3a632cb2
AK		 3605 &format_attr_in_tx.attr,
3606 &format_attr_in_tx_cp.attr,
a5df70c3
AK		 3607 &format_attr_offcore_rsp.attr,
3608 &format_attr_ldlat.attr,
3609 NULL
3610};
641cc938 3611
a5df70c3
AK		 3612static struct attribute *nhm_format_attr[] = {
3613 &format_attr_offcore_rsp.attr,
3614 &format_attr_ldlat.attr,
3615 NULL
3616};
3617
3618static struct attribute *slm_format_attr[] = {
3619 &format_attr_offcore_rsp.attr,
3620 NULL
641cc938
JO		 3621};
3622
d0dc8494
AK		 3623static struct attribute *skl_format_attr[] = {
3624 &format_attr_frontend.attr,
3625 NULL,
3626};
3627
3b6e0421
JO		 3628static __initconst const struct x86_pmu core_pmu = {
3629 .name = "core",
3630 .handle_irq = x86_pmu_handle_irq,
3631 .disable_all = x86_pmu_disable_all,
3632 .enable_all = core_pmu_enable_all,
3633 .enable = core_pmu_enable_event,
3634 .disable = x86_pmu_disable_event,
ed6101bb 3635 .hw_config = core_pmu_hw_config,
3b6e0421
JO		 3636 .schedule_events = x86_schedule_events,
3637 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
3638 .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
3639 .event_map = intel_pmu_event_map,
3640 .max_events = ARRAY_SIZE(intel_perfmon_event_map),
3641 .apic = 1,
174afc3e 3642 .large_pebs_flags = LARGE_PEBS_FLAGS,
a7b58d21 3643
3b6e0421
JO		 3644 /*
3645 * Intel PMCs cannot be accessed sanely above 32-bit width,
3646 * so we install an artificial 1<<31 period regardless of
3647 * the generic event period:
3648 */
3649 .max_period = (1ULL<<31) - 1,
3650 .get_event_constraints = intel_get_event_constraints,
3651 .put_event_constraints = intel_put_event_constraints,
3652 .event_constraints = intel_core_event_constraints,
3653 .guest_get_msrs = core_guest_get_msrs,
3654 .format_attrs = intel_arch_formats_attr,
3655 .events_sysfs_show = intel_event_sysfs_show,
3656
3657 /*
3658 * Virtual (or funny metal) CPU can define x86_pmu.extra_regs
3659 * together with PMU version 1 and thus be using core_pmu with
3660 * shared_regs. We need following callbacks here to allocate
3661 * it properly.
3662 */
3663 .cpu_prepare = intel_pmu_cpu_prepare,
3664 .cpu_starting = intel_pmu_cpu_starting,
3665 .cpu_dying = intel_pmu_cpu_dying,
3666};
3667
4e949e9b
KL		 3668static struct attribute *intel_pmu_attrs[];
3669
caaa8be3 3670static __initconst const struct x86_pmu intel_pmu = {
f22f54f4
PZ		 3671 .name = "Intel",
3672 .handle_irq = intel_pmu_handle_irq,
3673 .disable_all = intel_pmu_disable_all,
3674 .enable_all = intel_pmu_enable_all,
3675 .enable = intel_pmu_enable_event,
3676 .disable = intel_pmu_disable_event,
68f7082f
PZ		 3677 .add = intel_pmu_add_event,
3678 .del = intel_pmu_del_event,
ceb90d9e 3679 .read = intel_pmu_read_event,
b4cdc5c2 3680 .hw_config = intel_pmu_hw_config,
a072738e 3681 .schedule_events = x86_schedule_events,
f22f54f4
PZ		 3682 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
3683 .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
3684 .event_map = intel_pmu_event_map,
f22f54f4
PZ		 3685 .max_events = ARRAY_SIZE(intel_perfmon_event_map),
3686 .apic = 1,
174afc3e 3687 .large_pebs_flags = LARGE_PEBS_FLAGS,
f22f54f4
PZ		 3688 /*
3689 * Intel PMCs cannot be accessed sanely above 32 bit width,
3690 * so we install an artificial 1<<31 period regardless of
3691 * the generic event period:
3692 */
3693 .max_period = (1ULL << 31) - 1,
3f6da390 3694 .get_event_constraints = intel_get_event_constraints,
a7e3ed1e 3695 .put_event_constraints = intel_put_event_constraints,
0780c927 3696 .pebs_aliases = intel_pebs_aliases_core2,
3f6da390 3697
641cc938 3698 .format_attrs = intel_arch3_formats_attr,
0bf79d44 3699 .events_sysfs_show = intel_event_sysfs_show,
641cc938 3700
4e949e9b
KL		 3701 .attrs = intel_pmu_attrs,
3702
a7e3ed1e 3703 .cpu_prepare = intel_pmu_cpu_prepare,
74846d35
PZ		 3704 .cpu_starting = intel_pmu_cpu_starting,
3705 .cpu_dying = intel_pmu_cpu_dying,
144d31e6 3706 .guest_get_msrs = intel_guest_get_msrs,
9c964efa 3707 .sched_task = intel_pmu_sched_task,
f22f54f4
PZ		 3708};
3709
c1d6f42f 3710static __init void intel_clovertown_quirk(void)
3c44780b
PZ		 3711{
3712 /*
3713 * PEBS is unreliable due to:
3714 *
3715 * AJ67 - PEBS may experience CPL leaks
3716 * AJ68 - PEBS PMI may be delayed by one event
3717 * AJ69 - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12]
3718 * AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS
3719 *
3720 * AJ67 could be worked around by restricting the OS/USR flags.
3721 * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI.
3722 *
3723 * AJ106 could possibly be worked around by not allowing LBR
3724 * usage from PEBS, including the fixup.
3725 * AJ68 could possibly be worked around by always programming
ec75a716 3726 * a pebs_event_reset[0] value and coping with the lost events.
3c44780b
PZ		 3727 *
3728 * But taken together it might just make sense to not enable PEBS on
3729 * these chips.
3730 */
c767a54b 3731 pr_warn("PEBS disabled due to CPU errata\n");
3c44780b
PZ		 3732 x86_pmu.pebs = 0;
3733 x86_pmu.pebs_constraints = NULL;
3734}
3735
c93dc84c
PZ		 3736static int intel_snb_pebs_broken(int cpu)
3737{
3738 u32 rev = UINT_MAX; /* default to broken for unknown models */
3739
3740 switch (cpu_data(cpu).x86_model) {
ef5f9f47 3741 case INTEL_FAM6_SANDYBRIDGE:
c93dc84c
PZ		 3742 rev = 0x28;
3743 break;
3744
ef5f9f47 3745 case INTEL_FAM6_SANDYBRIDGE_X:
b399151c 3746 switch (cpu_data(cpu).x86_stepping) {
c93dc84c
PZ		 3747 case 6: rev = 0x618; break;
3748 case 7: rev = 0x70c; break;
3749 }
3750 }
3751
3752 return (cpu_data(cpu).microcode < rev);
3753}
3754
3755static void intel_snb_check_microcode(void)
3756{
3757 int pebs_broken = 0;
3758 int cpu;
3759
c93dc84c
PZ		 3760 for_each_online_cpu(cpu) {
3761 if ((pebs_broken = intel_snb_pebs_broken(cpu)))
3762 break;
3763 }
c93dc84c
PZ		 3764
3765 if (pebs_broken == x86_pmu.pebs_broken)
3766 return;
3767
3768 /*
3769 * Serialized by the microcode lock..
3770 */
3771 if (x86_pmu.pebs_broken) {
3772 pr_info("PEBS enabled due to microcode update\n");
3773 x86_pmu.pebs_broken = 0;
3774 } else {
3775 pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n");
3776 x86_pmu.pebs_broken = 1;
3777 }
3778}
3779
19fc9ddd
DCC		 3780static bool is_lbr_from(unsigned long msr)
3781{
3782 unsigned long lbr_from_nr = x86_pmu.lbr_from + x86_pmu.lbr_nr;
3783
3784 return x86_pmu.lbr_from <= msr && msr < lbr_from_nr;
3785}
3786
338b522c
KL		 3787/*
3788 * Under certain circumstances, access certain MSR may cause #GP.
3789 * The function tests if the input MSR can be safely accessed.
3790 */
3791static bool check_msr(unsigned long msr, u64 mask)
3792{
3793 u64 val_old, val_new, val_tmp;
3794
3795 /*
3796 * Read the current value, change it and read it back to see if it
3797 * matches, this is needed to detect certain hardware emulators
3798 * (qemu/kvm) that don't trap on the MSR access and always return 0s.
3799 */
3800 if (rdmsrl_safe(msr, &val_old))
3801 return false;
3802
3803 /*
3804 * Only change the bits which can be updated by wrmsrl.
3805 */
3806 val_tmp = val_old ^ mask;
19fc9ddd
DCC		 3807
3808 if (is_lbr_from(msr))
3809 val_tmp = lbr_from_signext_quirk_wr(val_tmp);
3810
338b522c
KL		 3811 if (wrmsrl_safe(msr, val_tmp) ||
3812 rdmsrl_safe(msr, &val_new))
3813 return false;
3814
19fc9ddd
DCC		 3815 /*
3816 * Quirk only affects validation in wrmsr(), so wrmsrl()'s value
3817 * should equal rdmsrl()'s even with the quirk.
3818 */
338b522c
KL		 3819 if (val_new != val_tmp)
3820 return false;
3821
19fc9ddd
DCC		 3822 if (is_lbr_from(msr))
3823 val_old = lbr_from_signext_quirk_wr(val_old);
3824
338b522c
KL		 3825 /* Here it's sure that the MSR can be safely accessed.
3826 * Restore the old value and return.
3827 */
3828 wrmsrl(msr, val_old);
3829
3830 return true;
3831}
3832
c1d6f42f 3833static __init void intel_sandybridge_quirk(void)
6a600a8b 3834{
c93dc84c 3835 x86_pmu.check_microcode = intel_snb_check_microcode;
1ba143a5 3836 cpus_read_lock();
c93dc84c 3837 intel_snb_check_microcode();
1ba143a5 3838 cpus_read_unlock();
6a600a8b
PZ		 3839}
3840
c1d6f42f
PZ		 3841static const struct { int id; char *name; } intel_arch_events_map[] __initconst = {
3842 { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" },
3843 { PERF_COUNT_HW_INSTRUCTIONS, "instructions" },
3844 { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" },
3845 { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" },
3846 { PERF_COUNT_HW_CACHE_MISSES, "cache misses" },
3847 { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" },
3848 { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" },
ffb871bc
GN		 3849};
3850
c1d6f42f
PZ		 3851static __init void intel_arch_events_quirk(void)
3852{
3853 int bit;
3854
3855 /* disable event that reported as not presend by cpuid */
3856 for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) {
3857 intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0;
c767a54b
JP		 3858 pr_warn("CPUID marked event: \'%s\' unavailable\n",
3859 intel_arch_events_map[bit].name);
c1d6f42f
PZ		 3860 }
3861}
3862
3863static __init void intel_nehalem_quirk(void)
3864{
3865 union cpuid10_ebx ebx;
3866
3867 ebx.full = x86_pmu.events_maskl;
3868 if (ebx.split.no_branch_misses_retired) {
3869 /*
3870 * Erratum AAJ80 detected, we work it around by using
3871 * the BR_MISP_EXEC.ANY event. This will over-count
3872 * branch-misses, but it's still much better than the
3873 * architectural event which is often completely bogus:
3874 */
3875 intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89;
3876 ebx.split.no_branch_misses_retired = 0;
3877 x86_pmu.events_maskl = ebx.full;
c767a54b 3878 pr_info("CPU erratum AAJ80 worked around\n");
c1d6f42f
PZ		 3879 }
3880}
3881
7c5314b8
KL		 3882static bool intel_glp_counter_freezing_broken(int cpu)
3883{
3884 u32 rev = UINT_MAX; /* default to broken for unknown stepping */
3885
3886 switch (cpu_data(cpu).x86_stepping) {
3887 case 1:
3888 rev = 0x28;
3889 break;
3890 case 8:
3891 rev = 0x6;
3892 break;
3893 }
3894
3895 return (cpu_data(cpu).microcode < rev);
3896}
3897
3898static __init void intel_glp_counter_freezing_quirk(void)
3899{
3900 /* Check if it's already disabled */
3901 if (disable_counter_freezing)
3902 return;
3903
3904 /*
3905 * If the system starts with the wrong ucode, leave the
3906 * counter-freezing feature permanently disabled.
3907 */
3908 if (intel_glp_counter_freezing_broken(raw_smp_processor_id())) {
3909 pr_info("PMU counter freezing disabled due to CPU errata,"
3910 "please upgrade microcode\n");
3911 x86_pmu.counter_freezing = false;
3912 x86_pmu.handle_irq = intel_pmu_handle_irq;
3913 }
3914}
3915
93fcf72c
MD		 3916/*
3917 * enable software workaround for errata:
3918 * SNB: BJ122
3919 * IVB: BV98
3920 * HSW: HSD29
3921 *
3922 * Only needed when HT is enabled. However detecting
b37609c3
SE		 3923 * if HT is enabled is difficult (model specific). So instead,
3924 * we enable the workaround in the early boot, and verify if
3925 * it is needed in a later initcall phase once we have valid
3926 * topology information to check if HT is actually enabled
93fcf72c
MD		 3927 */
3928static __init void intel_ht_bug(void)
3929{
b37609c3 3930 x86_pmu.flags |= PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED;
93fcf72c 3931
93fcf72c 3932 x86_pmu.start_scheduling = intel_start_scheduling;
0c41e756 3933 x86_pmu.commit_scheduling = intel_commit_scheduling;
93fcf72c 3934 x86_pmu.stop_scheduling = intel_stop_scheduling;
93fcf72c
MD		 3935}
3936
7f2ee91f
IM		 3937EVENT_ATTR_STR(mem-loads, mem_ld_hsw, "event=0xcd,umask=0x1,ldlat=3");
3938EVENT_ATTR_STR(mem-stores, mem_st_hsw, "event=0xd0,umask=0x82")
f9134f36 3939
4b2c4f1f 3940/* Haswell special events */
7f2ee91f
IM		 3941EVENT_ATTR_STR(tx-start, tx_start, "event=0xc9,umask=0x1");
3942EVENT_ATTR_STR(tx-commit, tx_commit, "event=0xc9,umask=0x2");
3943EVENT_ATTR_STR(tx-abort, tx_abort, "event=0xc9,umask=0x4");
3944EVENT_ATTR_STR(tx-capacity, tx_capacity, "event=0x54,umask=0x2");
3945EVENT_ATTR_STR(tx-conflict, tx_conflict, "event=0x54,umask=0x1");
3946EVENT_ATTR_STR(el-start, el_start, "event=0xc8,umask=0x1");
3947EVENT_ATTR_STR(el-commit, el_commit, "event=0xc8,umask=0x2");
3948EVENT_ATTR_STR(el-abort, el_abort, "event=0xc8,umask=0x4");
3949EVENT_ATTR_STR(el-capacity, el_capacity, "event=0x54,umask=0x2");
3950EVENT_ATTR_STR(el-conflict, el_conflict, "event=0x54,umask=0x1");
3951EVENT_ATTR_STR(cycles-t, cycles_t, "event=0x3c,in_tx=1");
3952EVENT_ATTR_STR(cycles-ct, cycles_ct, "event=0x3c,in_tx=1,in_tx_cp=1");
4b2c4f1f 3953
f9134f36 3954static struct attribute *hsw_events_attrs[] = {
58ba4d5a
AK		 3955 EVENT_PTR(td_slots_issued),
3956 EVENT_PTR(td_slots_retired),
3957 EVENT_PTR(td_fetch_bubbles),
3958 EVENT_PTR(td_total_slots),
3959 EVENT_PTR(td_total_slots_scale),
3960 EVENT_PTR(td_recovery_bubbles),
3961 EVENT_PTR(td_recovery_bubbles_scale),
3962 NULL
3963};
3964
d4ae5529
JO		 3965static struct attribute *hsw_mem_events_attrs[] = {
3966 EVENT_PTR(mem_ld_hsw),
3967 EVENT_PTR(mem_st_hsw),
3968 NULL,
3969};
3970
58ba4d5a 3971static struct attribute *hsw_tsx_events_attrs[] = {
4b2c4f1f
AK		 3972 EVENT_PTR(tx_start),
3973 EVENT_PTR(tx_commit),
3974 EVENT_PTR(tx_abort),
3975 EVENT_PTR(tx_capacity),
3976 EVENT_PTR(tx_conflict),
3977 EVENT_PTR(el_start),
3978 EVENT_PTR(el_commit),
3979 EVENT_PTR(el_abort),
3980 EVENT_PTR(el_capacity),
3981 EVENT_PTR(el_conflict),
3982 EVENT_PTR(cycles_t),
3983 EVENT_PTR(cycles_ct),
f9134f36
AK		 3984 NULL
3985};
3986
6089327f
KL		 3987static ssize_t freeze_on_smi_show(struct device *cdev,
3988 struct device_attribute *attr,
3989 char *buf)
3990{
3991 return sprintf(buf, "%lu\n", x86_pmu.attr_freeze_on_smi);
3992}
3993
3994static DEFINE_MUTEX(freeze_on_smi_mutex);
3995
3996static ssize_t freeze_on_smi_store(struct device *cdev,
3997 struct device_attribute *attr,
3998 const char *buf, size_t count)
3999{
4000 unsigned long val;
4001 ssize_t ret;
4002
4003 ret = kstrtoul(buf, 0, &val);
4004 if (ret)
4005 return ret;
4006
4007 if (val > 1)
4008 return -EINVAL;
4009
4010 mutex_lock(&freeze_on_smi_mutex);
4011
4012 if (x86_pmu.attr_freeze_on_smi == val)
4013 goto done;
4014
4015 x86_pmu.attr_freeze_on_smi = val;
4016
4017 get_online_cpus();
4018 on_each_cpu(flip_smm_bit, &val, 1);
4019 put_online_cpus();
4020done:
4021 mutex_unlock(&freeze_on_smi_mutex);
4022
4023 return count;
4024}
4025
4026static DEVICE_ATTR_RW(freeze_on_smi);
4027
b00233b5
AK		 4028static ssize_t branches_show(struct device *cdev,
4029 struct device_attribute *attr,
4030 char *buf)
4031{
4032 return snprintf(buf, PAGE_SIZE, "%d\n", x86_pmu.lbr_nr);
4033}
4034
4035static DEVICE_ATTR_RO(branches);
4036
4037static struct attribute *lbr_attrs[] = {
4038 &dev_attr_branches.attr,
4039 NULL
4040};
4041
4042static char pmu_name_str[30];
4043
4044static ssize_t pmu_name_show(struct device *cdev,
4045 struct device_attribute *attr,
4046 char *buf)
4047{
4048 return snprintf(buf, PAGE_SIZE, "%s\n", pmu_name_str);
4049}
4050
4051static DEVICE_ATTR_RO(pmu_name);
4052
b00233b5 4053static struct attribute *intel_pmu_caps_attrs[] = {
5da382eb
PZ		 4054 &dev_attr_pmu_name.attr,
4055 NULL
b00233b5
AK		 4056};
4057
6089327f
KL		 4058static struct attribute *intel_pmu_attrs[] = {
4059 &dev_attr_freeze_on_smi.attr,
4060 NULL,
4061};
4062
d4ae5529
JO		 4063static __init struct attribute **
4064get_events_attrs(struct attribute **base,
4065 struct attribute **mem,
4066 struct attribute **tsx)
4067{
4068 struct attribute **attrs = base;
4069 struct attribute **old;
4070
4071 if (mem && x86_pmu.pebs)
4072 attrs = merge_attr(attrs, mem);
4073
4074 if (tsx && boot_cpu_has(X86_FEATURE_RTM)) {
4075 old = attrs;
4076 attrs = merge_attr(attrs, tsx);
4077 if (old != base)
4078 kfree(old);
4079 }
4080
4081 return attrs;
4082}
4083
de0428a7 4084__init int intel_pmu_init(void)
f22f54f4 4085{
7ad1437d 4086 struct attribute **extra_attr = NULL;
d4ae5529
JO		 4087 struct attribute **mem_attr = NULL;
4088 struct attribute **tsx_attr = NULL;
7ad1437d 4089 struct attribute **to_free = NULL;
f22f54f4
PZ		 4090 union cpuid10_edx edx;
4091 union cpuid10_eax eax;
ffb871bc 4092 union cpuid10_ebx ebx;
a1eac7ac 4093 struct event_constraint *c;
f22f54f4 4094 unsigned int unused;
338b522c
KL		 4095 struct extra_reg *er;
4096 int version, i;
b00233b5 4097 char *name;
f22f54f4
PZ		 4098
4099 if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
a072738e
CG		 4100 switch (boot_cpu_data.x86) {
4101 case 0x6:
4102 return p6_pmu_init();
e717bf4e
VW		 4103 case 0xb:
4104 return knc_pmu_init();
a072738e
CG		 4105 case 0xf:
4106 return p4_pmu_init();
4107 }
f22f54f4 4108 return -ENODEV;
f22f54f4
PZ		 4109 }
4110
4111 /*
4112 * Check whether the Architectural PerfMon supports
4113 * Branch Misses Retired hw_event or not.
4114 */
ffb871bc
GN		 4115 cpuid(10, &eax.full, &ebx.full, &unused, &edx.full);
4116 if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT)
f22f54f4
PZ		 4117 return -ENODEV;
4118
4119 version = eax.split.version_id;
4120 if (version < 2)
4121 x86_pmu = core_pmu;
4122 else
4123 x86_pmu = intel_pmu;
4124
4125 x86_pmu.version = version;
948b1bb8
RR		 4126 x86_pmu.num_counters = eax.split.num_counters;
4127 x86_pmu.cntval_bits = eax.split.bit_width;
4128 x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1;
f22f54f4 4129
c1d6f42f
PZ		 4130 x86_pmu.events_maskl = ebx.full;
4131 x86_pmu.events_mask_len = eax.split.mask_length;
4132
70ab7003
AK		 4133 x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters);
4134
f22f54f4
PZ		 4135 /*
4136 * Quirk: v2 perfmon does not report fixed-purpose events, so
f92b7604 4137 * assume at least 3 events, when not running in a hypervisor:
f22f54f4 4138 */
f92b7604
IP		 4139 if (version > 1) {
4140 int assume = 3 * !boot_cpu_has(X86_FEATURE_HYPERVISOR);
4141
4142 x86_pmu.num_counters_fixed =
4143 max((int)edx.split.num_counters_fixed, assume);
4144 }
f22f54f4 4145
af3bdb99
AK		 4146 if (version >= 4)
4147 x86_pmu.counter_freezing = !disable_counter_freezing;
4148
c9b08884 4149 if (boot_cpu_has(X86_FEATURE_PDCM)) {
8db909a7
PZ		 4150 u64 capabilities;
4151
4152 rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities);
4153 x86_pmu.intel_cap.capabilities = capabilities;
4154 }
4155
ca037701
PZ		 4156 intel_ds_init();
4157
c1d6f42f
PZ		 4158 x86_add_quirk(intel_arch_events_quirk); /* Install first, so it runs last */
4159
f22f54f4
PZ		 4160 /*
4161 * Install the hw-cache-events table:
4162 */
4163 switch (boot_cpu_data.x86_model) {
ef5f9f47 4164 case INTEL_FAM6_CORE_YONAH:
f22f54f4 4165 pr_cont("Core events, ");
b00233b5 4166 name = "core";
f22f54f4
PZ		 4167 break;
4168
ef5f9f47 4169 case INTEL_FAM6_CORE2_MEROM:
c1d6f42f 4170 x86_add_quirk(intel_clovertown_quirk);
ef5f9f47
DH		 4171 case INTEL_FAM6_CORE2_MEROM_L:
4172 case INTEL_FAM6_CORE2_PENRYN:
4173 case INTEL_FAM6_CORE2_DUNNINGTON:
f22f54f4
PZ		 4174 memcpy(hw_cache_event_ids, core2_hw_cache_event_ids,
4175 sizeof(hw_cache_event_ids));
4176
caff2bef
PZ		 4177 intel_pmu_lbr_init_core();
4178
f22f54f4 4179 x86_pmu.event_constraints = intel_core2_event_constraints;
17e31629 4180 x86_pmu.pebs_constraints = intel_core2_pebs_event_constraints;
f22f54f4 4181 pr_cont("Core2 events, ");
b00233b5 4182 name = "core2";
f22f54f4
PZ		 4183 break;
4184
ef5f9f47
DH		 4185 case INTEL_FAM6_NEHALEM:
4186 case INTEL_FAM6_NEHALEM_EP:
4187 case INTEL_FAM6_NEHALEM_EX:
f22f54f4
PZ		 4188 memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids,
4189 sizeof(hw_cache_event_ids));
e994d7d2
AK		 4190 memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
4191 sizeof(hw_cache_extra_regs));
f22f54f4 4192
caff2bef
PZ		 4193 intel_pmu_lbr_init_nhm();
4194
f22f54f4 4195 x86_pmu.event_constraints = intel_nehalem_event_constraints;
17e31629 4196 x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints;
11164cd4 4197 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
a7e3ed1e 4198 x86_pmu.extra_regs = intel_nehalem_extra_regs;
ec75a716 4199
d4ae5529 4200 mem_attr = nhm_mem_events_attrs;
f20093ee 4201
91fc4cc0 4202 /* UOPS_ISSUED.STALLED_CYCLES */
f9b4eeb8
PZ		 4203 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4204 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
91fc4cc0 4205 /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
f9b4eeb8
PZ		 4206 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
4207 X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
94403f88 4208
e17dc653 4209 intel_pmu_pebs_data_source_nhm();
c1d6f42f 4210 x86_add_quirk(intel_nehalem_quirk);
95298355 4211 x86_pmu.pebs_no_tlb = 1;
a5df70c3 4212 extra_attr = nhm_format_attr;
ec75a716 4213
11164cd4 4214 pr_cont("Nehalem events, ");
b00233b5 4215 name = "nehalem";
f22f54f4 4216 break;
caff2bef 4217
f2c4db1b
PZ		 4218 case INTEL_FAM6_ATOM_BONNELL:
4219 case INTEL_FAM6_ATOM_BONNELL_MID:
4220 case INTEL_FAM6_ATOM_SALTWELL:
4221 case INTEL_FAM6_ATOM_SALTWELL_MID:
4222 case INTEL_FAM6_ATOM_SALTWELL_TABLET:
f22f54f4
PZ		 4223 memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
4224 sizeof(hw_cache_event_ids));
4225
caff2bef
PZ		 4226 intel_pmu_lbr_init_atom();
4227
f22f54f4 4228 x86_pmu.event_constraints = intel_gen_event_constraints;
17e31629 4229 x86_pmu.pebs_constraints = intel_atom_pebs_event_constraints;
673d188b 4230 x86_pmu.pebs_aliases = intel_pebs_aliases_core2;
f22f54f4 4231 pr_cont("Atom events, ");
b00233b5 4232 name = "bonnell";
f22f54f4
PZ		 4233 break;
4234
f2c4db1b
PZ		 4235 case INTEL_FAM6_ATOM_SILVERMONT:
4236 case INTEL_FAM6_ATOM_SILVERMONT_X:
4237 case INTEL_FAM6_ATOM_SILVERMONT_MID:
ef5f9f47 4238 case INTEL_FAM6_ATOM_AIRMONT:
f2c4db1b 4239 case INTEL_FAM6_ATOM_AIRMONT_MID:
1fa64180
YZ		 4240 memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
4241 sizeof(hw_cache_event_ids));
4242 memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs,
4243 sizeof(hw_cache_extra_regs));
4244
f21d5adc 4245 intel_pmu_lbr_init_slm();
1fa64180
YZ		 4246
4247 x86_pmu.event_constraints = intel_slm_event_constraints;
4248 x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints;
4249 x86_pmu.extra_regs = intel_slm_extra_regs;
9a5e3fb5 4250 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
eb12b8ec 4251 x86_pmu.cpu_events = slm_events_attrs;
a5df70c3 4252 extra_attr = slm_format_attr;
1fa64180 4253 pr_cont("Silvermont events, ");
b00233b5 4254 name = "silvermont";
1fa64180
YZ		 4255 break;
4256
ef5f9f47 4257 case INTEL_FAM6_ATOM_GOLDMONT:
f2c4db1b 4258 case INTEL_FAM6_ATOM_GOLDMONT_X:
8b92c3a7
KL		 4259 memcpy(hw_cache_event_ids, glm_hw_cache_event_ids,
4260 sizeof(hw_cache_event_ids));
4261 memcpy(hw_cache_extra_regs, glm_hw_cache_extra_regs,
4262 sizeof(hw_cache_extra_regs));
4263
4264 intel_pmu_lbr_init_skl();
4265
4266 x86_pmu.event_constraints = intel_slm_event_constraints;
4267 x86_pmu.pebs_constraints = intel_glm_pebs_event_constraints;
4268 x86_pmu.extra_regs = intel_glm_extra_regs;
4269 /*
4270 * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
4271 * for precise cycles.
4272 * :pp is identical to :ppp
4273 */
4274 x86_pmu.pebs_aliases = NULL;
4275 x86_pmu.pebs_prec_dist = true;
ccbebba4 4276 x86_pmu.lbr_pt_coexist = true;
8b92c3a7 4277 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
ed827adb 4278 x86_pmu.cpu_events = glm_events_attrs;
a5df70c3 4279 extra_attr = slm_format_attr;
8b92c3a7 4280 pr_cont("Goldmont events, ");
b00233b5 4281 name = "goldmont";
8b92c3a7
KL		 4282 break;
4283
f2c4db1b 4284 case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
7c5314b8 4285 x86_add_quirk(intel_glp_counter_freezing_quirk);
dd0b06b5
KL		 4286 memcpy(hw_cache_event_ids, glp_hw_cache_event_ids,
4287 sizeof(hw_cache_event_ids));
4288 memcpy(hw_cache_extra_regs, glp_hw_cache_extra_regs,
4289 sizeof(hw_cache_extra_regs));
4290
4291 intel_pmu_lbr_init_skl();
4292
4293 x86_pmu.event_constraints = intel_slm_event_constraints;
dd0b06b5
KL		 4294 x86_pmu.extra_regs = intel_glm_extra_regs;
4295 /*
4296 * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
4297 * for precise cycles.
4298 */
4299 x86_pmu.pebs_aliases = NULL;
4300 x86_pmu.pebs_prec_dist = true;
4301 x86_pmu.lbr_pt_coexist = true;
4302 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
a38b0ba1 4303 x86_pmu.flags |= PMU_FL_PEBS_ALL;
dd0b06b5
KL		 4304 x86_pmu.get_event_constraints = glp_get_event_constraints;
4305 x86_pmu.cpu_events = glm_events_attrs;
4306 /* Goldmont Plus has 4-wide pipeline */
4307 event_attr_td_total_slots_scale_glm.event_str = "4";
a5df70c3 4308 extra_attr = slm_format_attr;
dd0b06b5 4309 pr_cont("Goldmont plus events, ");
b00233b5 4310 name = "goldmont_plus";
dd0b06b5
KL		 4311 break;
4312
ef5f9f47
DH		 4313 case INTEL_FAM6_WESTMERE:
4314 case INTEL_FAM6_WESTMERE_EP:
4315 case INTEL_FAM6_WESTMERE_EX:
f22f54f4
PZ		 4316 memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids,
4317 sizeof(hw_cache_event_ids));
e994d7d2
AK		 4318 memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
4319 sizeof(hw_cache_extra_regs));
f22f54f4 4320
caff2bef
PZ		 4321 intel_pmu_lbr_init_nhm();
4322
f22f54f4 4323 x86_pmu.event_constraints = intel_westmere_event_constraints;
40b91cd1 4324 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
17e31629 4325 x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints;
a7e3ed1e 4326 x86_pmu.extra_regs = intel_westmere_extra_regs;
9a5e3fb5 4327 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
30112039 4328
d4ae5529 4329 mem_attr = nhm_mem_events_attrs;
f20093ee 4330
30112039 4331 /* UOPS_ISSUED.STALLED_CYCLES */
f9b4eeb8
PZ		 4332 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4333 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
30112039 4334 /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
f9b4eeb8
PZ		 4335 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
4336 X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
30112039 4337
e17dc653 4338 intel_pmu_pebs_data_source_nhm();
a5df70c3 4339 extra_attr = nhm_format_attr;
f22f54f4 4340 pr_cont("Westmere events, ");
b00233b5 4341 name = "westmere";
f22f54f4 4342 break;
b622d644 4343
ef5f9f47
DH		 4344 case INTEL_FAM6_SANDYBRIDGE:
4345 case INTEL_FAM6_SANDYBRIDGE_X:
47a8863d 4346 x86_add_quirk(intel_sandybridge_quirk);
93fcf72c 4347 x86_add_quirk(intel_ht_bug);
b06b3d49
LM		 4348 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
4349 sizeof(hw_cache_event_ids));
74e6543f
YZ		 4350 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
4351 sizeof(hw_cache_extra_regs));
b06b3d49 4352
c5cc2cd9 4353 intel_pmu_lbr_init_snb();
b06b3d49
LM		 4354
4355 x86_pmu.event_constraints = intel_snb_event_constraints;
de0428a7 4356 x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints;
0780c927 4357 x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
ef5f9f47 4358 if (boot_cpu_data.x86_model == INTEL_FAM6_SANDYBRIDGE_X)
f1923820
SE		 4359 x86_pmu.extra_regs = intel_snbep_extra_regs;
4360 else
4361 x86_pmu.extra_regs = intel_snb_extra_regs;
93fcf72c
MD		 4362
4363
ee89cbc2 4364 /* all extra regs are per-cpu when HT is on */
9a5e3fb5
SE		 4365 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4366 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
e04d1b23 4367
f20093ee 4368 x86_pmu.cpu_events = snb_events_attrs;
d4ae5529 4369 mem_attr = snb_mem_events_attrs;
f20093ee 4370
e04d1b23 4371 /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
f9b4eeb8
PZ		 4372 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4373 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
e04d1b23 4374 /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/
f9b4eeb8
PZ		 4375 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
4376 X86_CONFIG(.event=0xb1, .umask=0x01, .inv=1, .cmask=1);
e04d1b23 4377
a5df70c3
AK		 4378 extra_attr = nhm_format_attr;
4379
b06b3d49 4380 pr_cont("SandyBridge events, ");
b00233b5 4381 name = "sandybridge";
b06b3d49 4382 break;
0f7c29ce 4383
ef5f9f47
DH		 4384 case INTEL_FAM6_IVYBRIDGE:
4385 case INTEL_FAM6_IVYBRIDGE_X:
93fcf72c 4386 x86_add_quirk(intel_ht_bug);
20a36e39
SE		 4387 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
4388 sizeof(hw_cache_event_ids));
1996388e
VW		 4389 /* dTLB-load-misses on IVB is different than SNB */
4390 hw_cache_event_ids[C(DTLB)][C(OP_READ)][C(RESULT_MISS)] = 0x8108; /* DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK */
4391
20a36e39
SE		 4392 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
4393 sizeof(hw_cache_extra_regs));
4394
4395 intel_pmu_lbr_init_snb();
4396
69943182 4397 x86_pmu.event_constraints = intel_ivb_event_constraints;
20a36e39 4398 x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints;
72469764
AK		 4399 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
4400 x86_pmu.pebs_prec_dist = true;
ef5f9f47 4401 if (boot_cpu_data.x86_model == INTEL_FAM6_IVYBRIDGE_X)
f1923820
SE		 4402 x86_pmu.extra_regs = intel_snbep_extra_regs;
4403 else
4404 x86_pmu.extra_regs = intel_snb_extra_regs;
20a36e39 4405 /* all extra regs are per-cpu when HT is on */
9a5e3fb5
SE		 4406 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4407 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
20a36e39 4408
f20093ee 4409 x86_pmu.cpu_events = snb_events_attrs;
d4ae5529 4410 mem_attr = snb_mem_events_attrs;
f20093ee 4411
20a36e39
SE		 4412 /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
4413 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4414 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
4415
a5df70c3
AK		 4416 extra_attr = nhm_format_attr;
4417
20a36e39 4418 pr_cont("IvyBridge events, ");
b00233b5 4419 name = "ivybridge";
20a36e39
SE		 4420 break;
4421
b06b3d49 4422
ef5f9f47
DH		 4423 case INTEL_FAM6_HASWELL_CORE:
4424 case INTEL_FAM6_HASWELL_X:
4425 case INTEL_FAM6_HASWELL_ULT:
4426 case INTEL_FAM6_HASWELL_GT3E:
93fcf72c 4427 x86_add_quirk(intel_ht_bug);
72db5596 4428 x86_pmu.late_ack = true;
0f1b5ca2
AK		 4429 memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4430 memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
3a632cb2 4431
e9d7f7cd 4432 intel_pmu_lbr_init_hsw();
3a632cb2
AK		 4433
4434 x86_pmu.event_constraints = intel_hsw_event_constraints;
3044318f 4435 x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints;
36bbb2f2 4436 x86_pmu.extra_regs = intel_snbep_extra_regs;
72469764
AK		 4437 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
4438 x86_pmu.pebs_prec_dist = true;
3a632cb2 4439 /* all extra regs are per-cpu when HT is on */
9a5e3fb5
SE		 4440 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4441 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
3a632cb2
AK		 4442
4443 x86_pmu.hw_config = hsw_hw_config;
4444 x86_pmu.get_event_constraints = hsw_get_event_constraints;
d4ae5529 4445 x86_pmu.cpu_events = hsw_events_attrs;
b7af41a1 4446 x86_pmu.lbr_double_abort = true;
a5df70c3
AK		 4447 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
4448 hsw_format_attr : nhm_format_attr;
d4ae5529
JO		 4449 mem_attr = hsw_mem_events_attrs;
4450 tsx_attr = hsw_tsx_events_attrs;
3a632cb2 4451 pr_cont("Haswell events, ");
b00233b5 4452 name = "haswell";
3a632cb2
AK		 4453 break;
4454
ef5f9f47
DH		 4455 case INTEL_FAM6_BROADWELL_CORE:
4456 case INTEL_FAM6_BROADWELL_XEON_D:
4457 case INTEL_FAM6_BROADWELL_GT3E:
4458 case INTEL_FAM6_BROADWELL_X:
91f1b705
AK		 4459 x86_pmu.late_ack = true;
4460 memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4461 memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4462
4463 /* L3_MISS_LOCAL_DRAM is BIT(26) in Broadwell */
4464 hw_cache_extra_regs[C(LL)][C(OP_READ)][C(RESULT_MISS)] = HSW_DEMAND_READ |
4465 BDW_L3_MISS|HSW_SNOOP_DRAM;
4466 hw_cache_extra_regs[C(LL)][C(OP_WRITE)][C(RESULT_MISS)] = HSW_DEMAND_WRITE|BDW_L3_MISS|
4467 HSW_SNOOP_DRAM;
4468 hw_cache_extra_regs[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = HSW_DEMAND_READ|
4469 BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;
4470 hw_cache_extra_regs[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = HSW_DEMAND_WRITE|
4471 BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;
4472
78d504bc 4473 intel_pmu_lbr_init_hsw();
91f1b705
AK		 4474
4475 x86_pmu.event_constraints = intel_bdw_event_constraints;
b3e62463 4476 x86_pmu.pebs_constraints = intel_bdw_pebs_event_constraints;
91f1b705 4477 x86_pmu.extra_regs = intel_snbep_extra_regs;
72469764
AK		 4478 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
4479 x86_pmu.pebs_prec_dist = true;
91f1b705 4480 /* all extra regs are per-cpu when HT is on */
9a5e3fb5
SE		 4481 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4482 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
91f1b705
AK		 4483
4484 x86_pmu.hw_config = hsw_hw_config;
4485 x86_pmu.get_event_constraints = hsw_get_event_constraints;
d4ae5529 4486 x86_pmu.cpu_events = hsw_events_attrs;
294fe0f5 4487 x86_pmu.limit_period = bdw_limit_period;
a5df70c3
AK		 4488 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
4489 hsw_format_attr : nhm_format_attr;
d4ae5529
JO		 4490 mem_attr = hsw_mem_events_attrs;
4491 tsx_attr = hsw_tsx_events_attrs;
91f1b705 4492 pr_cont("Broadwell events, ");
b00233b5 4493 name = "broadwell";
91f1b705
AK		 4494 break;
4495
ef5f9f47 4496 case INTEL_FAM6_XEON_PHI_KNL:
608284bf 4497 case INTEL_FAM6_XEON_PHI_KNM:
1e7b9390
HC		 4498 memcpy(hw_cache_event_ids,
4499 slm_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4500 memcpy(hw_cache_extra_regs,
4501 knl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4502 intel_pmu_lbr_init_knl();
4503
4504 x86_pmu.event_constraints = intel_slm_event_constraints;
4505 x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints;
4506 x86_pmu.extra_regs = intel_knl_extra_regs;
4507
4508 /* all extra regs are per-cpu when HT is on */
4509 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4510 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
a5df70c3 4511 extra_attr = slm_format_attr;
608284bf 4512 pr_cont("Knights Landing/Mill events, ");
b00233b5 4513 name = "knights-landing";
1e7b9390
HC		 4514 break;
4515
ef5f9f47
DH		 4516 case INTEL_FAM6_SKYLAKE_MOBILE:
4517 case INTEL_FAM6_SKYLAKE_DESKTOP:
4518 case INTEL_FAM6_SKYLAKE_X:
4519 case INTEL_FAM6_KABYLAKE_MOBILE:
4520 case INTEL_FAM6_KABYLAKE_DESKTOP:
9a92e16f
AK		 4521 x86_pmu.late_ack = true;
4522 memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4523 memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4524 intel_pmu_lbr_init_skl();
4525
a39fcae7
AK		 4526 /* INT_MISC.RECOVERY_CYCLES has umask 1 in Skylake */
4527 event_attr_td_recovery_bubbles.event_str_noht =
4528 "event=0xd,umask=0x1,cmask=1";
4529 event_attr_td_recovery_bubbles.event_str_ht =
4530 "event=0xd,umask=0x1,cmask=1,any=1";
4531
9a92e16f
AK		 4532 x86_pmu.event_constraints = intel_skl_event_constraints;
4533 x86_pmu.pebs_constraints = intel_skl_pebs_event_constraints;
4534 x86_pmu.extra_regs = intel_skl_extra_regs;
72469764
AK		 4535 x86_pmu.pebs_aliases = intel_pebs_aliases_skl;
4536 x86_pmu.pebs_prec_dist = true;
9a92e16f
AK		 4537 /* all extra regs are per-cpu when HT is on */
4538 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4539 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4540
4541 x86_pmu.hw_config = hsw_hw_config;
4542 x86_pmu.get_event_constraints = hsw_get_event_constraints;
a5df70c3
AK		 4543 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
4544 hsw_format_attr : nhm_format_attr;
4545 extra_attr = merge_attr(extra_attr, skl_format_attr);
7ad1437d 4546 to_free = extra_attr;
d4ae5529
JO		 4547 x86_pmu.cpu_events = hsw_events_attrs;
4548 mem_attr = hsw_mem_events_attrs;
4549 tsx_attr = hsw_tsx_events_attrs;
6ae5fa61
AK		 4550 intel_pmu_pebs_data_source_skl(
4551 boot_cpu_data.x86_model == INTEL_FAM6_SKYLAKE_X);
9a92e16f 4552 pr_cont("Skylake events, ");
b00233b5 4553 name = "skylake";
9a92e16f
AK		 4554 break;
4555
f22f54f4 4556 default:
0af3ac1f
AK		 4557 switch (x86_pmu.version) {
4558 case 1:
4559 x86_pmu.event_constraints = intel_v1_event_constraints;
4560 pr_cont("generic architected perfmon v1, ");
b00233b5 4561 name = "generic_arch_v1";
0af3ac1f
AK		 4562 break;
4563 default:
4564 /*
4565 * default constraints for v2 and up
4566 */
4567 x86_pmu.event_constraints = intel_gen_event_constraints;
4568 pr_cont("generic architected perfmon, ");
b00233b5 4569 name = "generic_arch_v2+";
0af3ac1f
AK		 4570 break;
4571 }
f22f54f4 4572 }
ffb871bc 4573
0e96f31e 4574 snprintf(pmu_name_str, sizeof(pmu_name_str), "%s", name);
b00233b5 4575
a5df70c3
AK		 4576 if (version >= 2 && extra_attr) {
4577 x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr,
4578 extra_attr);
4579 WARN_ON(!x86_pmu.format_attrs);
4580 }
4581
d4ae5529
JO		 4582 x86_pmu.cpu_events = get_events_attrs(x86_pmu.cpu_events,
4583 mem_attr, tsx_attr);
4584
a1eac7ac
RR		 4585 if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) {
4586 WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!",
4587 x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC);
4588 x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC;
4589 }
ad5013d5 4590 x86_pmu.intel_ctrl = (1ULL << x86_pmu.num_counters) - 1;
a1eac7ac
RR		 4591
4592 if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) {
4593 WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!",
4594 x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED);
4595 x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED;
4596 }
4597
4598 x86_pmu.intel_ctrl |=
4599 ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED;
4600
4601 if (x86_pmu.event_constraints) {
4602 /*
4603 * event on fixed counter2 (REF_CYCLES) only works on this
4604 * counter, so do not extend mask to generic counters
4605 */
4606 for_each_event_constraint(c, x86_pmu.event_constraints) {
2c33645d
PI		 4607 if (c->cmask == FIXED_EVENT_FLAGS
4608 && c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES) {
4609 c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1;
a1eac7ac 4610 }
2c33645d 4611 c->idxmsk64 &=
6d6f2833 4612 ~(~0ULL << (INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed));
2c33645d 4613 c->weight = hweight64(c->idxmsk64);
a1eac7ac
RR		 4614 }
4615 }
4616
338b522c
KL		 4617 /*
4618 * Access LBR MSR may cause #GP under certain circumstances.
4619 * E.g. KVM doesn't support LBR MSR
4620 * Check all LBT MSR here.
4621 * Disable LBR access if any LBR MSRs can not be accessed.
4622 */
4623 if (x86_pmu.lbr_nr && !check_msr(x86_pmu.lbr_tos, 0x3UL))
4624 x86_pmu.lbr_nr = 0;
4625 for (i = 0; i < x86_pmu.lbr_nr; i++) {
4626 if (!(check_msr(x86_pmu.lbr_from + i, 0xffffUL) &&
4627 check_msr(x86_pmu.lbr_to + i, 0xffffUL)))
4628 x86_pmu.lbr_nr = 0;
4629 }
4630
b00233b5
AK		 4631 x86_pmu.caps_attrs = intel_pmu_caps_attrs;
4632
4633 if (x86_pmu.lbr_nr) {
4634 x86_pmu.caps_attrs = merge_attr(x86_pmu.caps_attrs, lbr_attrs);
f09509b9 4635 pr_cont("%d-deep LBR, ", x86_pmu.lbr_nr);
b00233b5
AK		 4636 }
4637
338b522c
KL		 4638 /*
4639 * Access extra MSR may cause #GP under certain circumstances.
4640 * E.g. KVM doesn't support offcore event
4641 * Check all extra_regs here.
4642 */
4643 if (x86_pmu.extra_regs) {
4644 for (er = x86_pmu.extra_regs; er->msr; er++) {
8c4fe709 4645 er->extra_msr_access = check_msr(er->msr, 0x11UL);
338b522c
KL		 4646 /* Disable LBR select mapping */
4647 if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access)
4648 x86_pmu.lbr_sel_map = NULL;
4649 }
4650 }
4651
069e0c3c
AK		 4652 /* Support full width counters using alternative MSR range */
4653 if (x86_pmu.intel_cap.full_width_write) {
7f612a7f 4654 x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
069e0c3c
AK		 4655 x86_pmu.perfctr = MSR_IA32_PMC0;
4656 pr_cont("full-width counters, ");
4657 }
4658
af3bdb99
AK		 4659 /*
4660 * For arch perfmon 4 use counter freezing to avoid
4661 * several MSR accesses in the PMI.
4662 */
4663 if (x86_pmu.counter_freezing)
4664 x86_pmu.handle_irq = intel_pmu_handle_irq_v4;
4665
7ad1437d 4666 kfree(to_free);
f22f54f4
PZ		 4667 return 0;
4668}
b37609c3
SE		 4669
4670/*
4671 * HT bug: phase 2 init
4672 * Called once we have valid topology information to check
4673 * whether or not HT is enabled
4674 * If HT is off, then we disable the workaround
4675 */
4676static __init int fixup_ht_bug(void)
4677{
030ba6cd 4678 int c;
b37609c3
SE		 4679 /*
4680 * problem not present on this CPU model, nothing to do
4681 */
4682 if (!(x86_pmu.flags & PMU_FL_EXCL_ENABLED))
4683 return 0;
4684
030ba6cd 4685 if (topology_max_smt_threads() > 1) {
b37609c3
SE		 4686 pr_info("PMU erratum BJ122, BV98, HSD29 worked around, HT is on\n");
4687 return 0;
4688 }
4689
2406e3b1
PZ		 4690 cpus_read_lock();
4691
4692 hardlockup_detector_perf_stop();
b37609c3
SE		 4693
4694 x86_pmu.flags &= ~(PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED);
4695
b37609c3 4696 x86_pmu.start_scheduling = NULL;
0c41e756 4697 x86_pmu.commit_scheduling = NULL;
b37609c3
SE		 4698 x86_pmu.stop_scheduling = NULL;
4699
2406e3b1 4700 hardlockup_detector_perf_restart();
b37609c3 4701
1ba143a5 4702 for_each_online_cpu(c)
b37609c3 4703 free_excl_cntrs(c);
b37609c3 4704
1ba143a5 4705 cpus_read_unlock();
b37609c3
SE		 4706 pr_info("PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off\n");
4707 return 0;
4708}
4709subsys_initcall(fixup_ht_bug)
Linux 6.x block layer and io_uring tree(s)