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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
d2709c7c | 2 | #include <linux/hw_breakpoint.h> |
8dd2a131 | 3 | #include <linux/err.h> |
347c2f0a | 4 | #include <linux/list_sort.h> |
7f7c536f | 5 | #include <linux/zalloc.h> |
76b31a29 | 6 | #include <dirent.h> |
a43783ae | 7 | #include <errno.h> |
86a5e0c2 | 8 | #include <sys/ioctl.h> |
391e4206 | 9 | #include <sys/param.h> |
b0742e90 | 10 | #include "term.h" |
361c99a6 | 11 | #include "evlist.h" |
69aad6f1 | 12 | #include "evsel.h" |
4b6ab94e | 13 | #include <subcmd/parse-options.h> |
8ad8db37 | 14 | #include "parse-events.h" |
a067558e | 15 | #include "string2.h" |
7a6e9164 | 16 | #include "strbuf.h" |
6e81c74c | 17 | #include "debug.h" |
592d5a6b | 18 | #include <api/fs/tracing_path.h> |
9c3516d1 | 19 | #include <perf/cpumap.h> |
c7e97f21 NK |
20 | #include <util/parse-events-bison.h> |
21 | #include <util/parse-events-flex.h> | |
5f537a26 | 22 | #include "pmu.h" |
1eaf496e | 23 | #include "pmus.h" |
b39b8393 | 24 | #include "asm/bug.h" |
ac12f676 | 25 | #include "util/parse-branch-options.h" |
95be9d19 | 26 | #include "util/evsel_config.h" |
252a2fdc | 27 | #include "util/event.h" |
d180aa56 | 28 | #include "util/bpf-filter.h" |
ea0c5239 | 29 | #include "util/util.h" |
9b7c7728 | 30 | #include "tracepoint.h" |
89812fc8 JO |
31 | |
32 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 33 | |
82ba1f2f JO |
34 | #ifdef PARSER_DEBUG |
35 | extern int parse_events_debug; | |
36 | #endif | |
5ccc4edf IR |
37 | static int get_config_terms(const struct parse_events_terms *head_config, |
38 | struct list_head *head_terms); | |
0d3f0e6f IR |
39 | static int parse_events_terms__copy(const struct parse_events_terms *src, |
40 | struct parse_events_terms *dest); | |
bcd3279f | 41 | |
4a20e793 | 42 | const struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
43 | [PERF_COUNT_HW_CPU_CYCLES] = { |
44 | .symbol = "cpu-cycles", | |
45 | .alias = "cycles", | |
46 | }, | |
47 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
48 | .symbol = "instructions", | |
49 | .alias = "", | |
50 | }, | |
51 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
52 | .symbol = "cache-references", | |
53 | .alias = "", | |
54 | }, | |
55 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
56 | .symbol = "cache-misses", | |
57 | .alias = "", | |
58 | }, | |
59 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
60 | .symbol = "branch-instructions", | |
61 | .alias = "branches", | |
62 | }, | |
63 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
64 | .symbol = "branch-misses", | |
65 | .alias = "", | |
66 | }, | |
67 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
68 | .symbol = "bus-cycles", | |
69 | .alias = "", | |
70 | }, | |
71 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
72 | .symbol = "stalled-cycles-frontend", | |
73 | .alias = "idle-cycles-frontend", | |
74 | }, | |
75 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
76 | .symbol = "stalled-cycles-backend", | |
77 | .alias = "idle-cycles-backend", | |
78 | }, | |
79 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
80 | .symbol = "ref-cycles", | |
81 | .alias = "", | |
82 | }, | |
83 | }; | |
84 | ||
4a20e793 | 85 | const struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
86 | [PERF_COUNT_SW_CPU_CLOCK] = { |
87 | .symbol = "cpu-clock", | |
88 | .alias = "", | |
89 | }, | |
90 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
91 | .symbol = "task-clock", | |
92 | .alias = "", | |
93 | }, | |
94 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
95 | .symbol = "page-faults", | |
96 | .alias = "faults", | |
97 | }, | |
98 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
99 | .symbol = "context-switches", | |
100 | .alias = "cs", | |
101 | }, | |
102 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
103 | .symbol = "cpu-migrations", | |
104 | .alias = "migrations", | |
105 | }, | |
106 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
107 | .symbol = "minor-faults", | |
108 | .alias = "", | |
109 | }, | |
110 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
111 | .symbol = "major-faults", | |
112 | .alias = "", | |
113 | }, | |
114 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
115 | .symbol = "alignment-faults", | |
116 | .alias = "", | |
117 | }, | |
118 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
119 | .symbol = "emulation-faults", | |
120 | .alias = "", | |
121 | }, | |
d22d1a2a AH |
122 | [PERF_COUNT_SW_DUMMY] = { |
123 | .symbol = "dummy", | |
124 | .alias = "", | |
125 | }, | |
bae9cc41 ACM |
126 | [PERF_COUNT_SW_BPF_OUTPUT] = { |
127 | .symbol = "bpf-output", | |
128 | .alias = "", | |
129 | }, | |
fb6c79d7 NK |
130 | [PERF_COUNT_SW_CGROUP_SWITCHES] = { |
131 | .symbol = "cgroup-switches", | |
132 | .alias = "", | |
133 | }, | |
8ad8db37 IM |
134 | }; |
135 | ||
1424dc96 DA |
136 | const char *event_type(int type) |
137 | { | |
138 | switch (type) { | |
139 | case PERF_TYPE_HARDWARE: | |
140 | return "hardware"; | |
141 | ||
142 | case PERF_TYPE_SOFTWARE: | |
143 | return "software"; | |
144 | ||
145 | case PERF_TYPE_TRACEPOINT: | |
146 | return "tracepoint"; | |
147 | ||
148 | case PERF_TYPE_HW_CACHE: | |
149 | return "hardware-cache"; | |
150 | ||
151 | default: | |
152 | break; | |
153 | } | |
154 | ||
155 | return "unknown"; | |
156 | } | |
157 | ||
5ccc4edf | 158 | static char *get_config_str(const struct parse_events_terms *head_terms, |
0d3f0e6f | 159 | enum parse_events__term_type type_term) |
e814fddd WN |
160 | { |
161 | struct parse_events_term *term; | |
162 | ||
163 | if (!head_terms) | |
164 | return NULL; | |
165 | ||
0d3f0e6f | 166 | list_for_each_entry(term, &head_terms->terms, list) |
2b62b3a6 | 167 | if (term->type_term == type_term) |
e814fddd WN |
168 | return term->val.str; |
169 | ||
170 | return NULL; | |
171 | } | |
7ae92e74 | 172 | |
5ccc4edf | 173 | static char *get_config_metric_id(const struct parse_events_terms *head_terms) |
2b62b3a6 IR |
174 | { |
175 | return get_config_str(head_terms, PARSE_EVENTS__TERM_TYPE_METRIC_ID); | |
176 | } | |
177 | ||
5ccc4edf | 178 | static char *get_config_name(const struct parse_events_terms *head_terms) |
2b62b3a6 IR |
179 | { |
180 | return get_config_str(head_terms, PARSE_EVENTS__TERM_TYPE_NAME); | |
181 | } | |
182 | ||
70c90e4a IR |
183 | /** |
184 | * fix_raw - For each raw term see if there is an event (aka alias) in pmu that | |
185 | * matches the raw's string value. If the string value matches an | |
186 | * event then change the term to be an event, if not then change it to | |
187 | * be a config term. For example, "read" may be an event of the PMU or | |
188 | * a raw hex encoding of 0xead. The fix-up is done late so the PMU of | |
189 | * the event can be determined and we don't need to scan all PMUs | |
190 | * ahead-of-time. | |
191 | * @config_terms: the list of terms that may contain a raw term. | |
192 | * @pmu: the PMU to scan for events from. | |
193 | */ | |
0d3f0e6f | 194 | static void fix_raw(struct parse_events_terms *config_terms, struct perf_pmu *pmu) |
70c90e4a IR |
195 | { |
196 | struct parse_events_term *term; | |
197 | ||
0d3f0e6f | 198 | list_for_each_entry(term, &config_terms->terms, list) { |
c3245d20 | 199 | u64 num; |
70c90e4a IR |
200 | |
201 | if (term->type_term != PARSE_EVENTS__TERM_TYPE_RAW) | |
202 | continue; | |
203 | ||
c3245d20 | 204 | if (perf_pmu__have_event(pmu, term->val.str)) { |
970ef02e | 205 | zfree(&term->config); |
c3245d20 | 206 | term->config = term->val.str; |
70c90e4a | 207 | term->type_val = PARSE_EVENTS__TERM_TYPE_NUM; |
c3245d20 IR |
208 | term->type_term = PARSE_EVENTS__TERM_TYPE_USER; |
209 | term->val.num = 1; | |
210 | term->no_value = true; | |
211 | continue; | |
70c90e4a | 212 | } |
c3245d20 | 213 | |
970ef02e | 214 | zfree(&term->config); |
c3245d20 IR |
215 | term->config = strdup("config"); |
216 | errno = 0; | |
217 | num = strtoull(term->val.str + 1, NULL, 16); | |
218 | assert(errno == 0); | |
219 | free(term->val.str); | |
220 | term->type_val = PARSE_EVENTS__TERM_TYPE_NUM; | |
221 | term->type_term = PARSE_EVENTS__TERM_TYPE_CONFIG; | |
222 | term->val.num = num; | |
223 | term->no_value = false; | |
70c90e4a IR |
224 | } |
225 | } | |
226 | ||
32dcd021 | 227 | static struct evsel * |
410136f5 SE |
228 | __add_event(struct list_head *list, int *idx, |
229 | struct perf_event_attr *attr, | |
70943490 | 230 | bool init_attr, |
2b62b3a6 | 231 | const char *name, const char *metric_id, struct perf_pmu *pmu, |
f0fbb114 AK |
232 | struct list_head *config_terms, bool auto_merge_stats, |
233 | const char *cpu_list) | |
89812fc8 | 234 | { |
32dcd021 | 235 | struct evsel *evsel; |
5d680be3 | 236 | struct perf_cpu_map *cpus = pmu ? perf_cpu_map__get(pmu->cpus) : |
9c3516d1 | 237 | cpu_list ? perf_cpu_map__new(cpu_list) : NULL; |
89812fc8 | 238 | |
e552b7be RH |
239 | if (pmu) |
240 | perf_pmu__warn_invalid_formats(pmu); | |
241 | ||
b9f01032 IR |
242 | if (pmu && (attr->type == PERF_TYPE_RAW || attr->type >= PERF_TYPE_MAX)) { |
243 | perf_pmu__warn_invalid_config(pmu, attr->config, name, | |
244 | PERF_PMU_FORMAT_VALUE_CONFIG, "config"); | |
245 | perf_pmu__warn_invalid_config(pmu, attr->config1, name, | |
246 | PERF_PMU_FORMAT_VALUE_CONFIG1, "config1"); | |
247 | perf_pmu__warn_invalid_config(pmu, attr->config2, name, | |
248 | PERF_PMU_FORMAT_VALUE_CONFIG2, "config2"); | |
249 | perf_pmu__warn_invalid_config(pmu, attr->config3, name, | |
250 | PERF_PMU_FORMAT_VALUE_CONFIG3, "config3"); | |
251 | } | |
70943490 SE |
252 | if (init_attr) |
253 | event_attr_init(attr); | |
89812fc8 | 254 | |
8f6725a2 | 255 | evsel = evsel__new_idx(attr, *idx); |
0f1b550e NK |
256 | if (!evsel) { |
257 | perf_cpu_map__put(cpus); | |
410136f5 | 258 | return NULL; |
0f1b550e | 259 | } |
89812fc8 | 260 | |
75fc5ae5 | 261 | (*idx)++; |
5d680be3 | 262 | evsel->core.cpus = cpus; |
fe1f61b3 | 263 | evsel->core.own_cpus = perf_cpu_map__get(cpus); |
d3345fec | 264 | evsel->core.requires_cpu = pmu ? pmu->is_uncore : false; |
1578e63d | 265 | evsel->core.is_pmu_core = pmu ? pmu->is_core : false; |
63ce8449 | 266 | evsel->auto_merge_stats = auto_merge_stats; |
f7400262 | 267 | evsel->pmu = pmu; |
c091ee90 | 268 | evsel->pmu_name = pmu ? strdup(pmu->name) : NULL; |
f30a79b0 | 269 | |
9db1763c ACM |
270 | if (name) |
271 | evsel->name = strdup(name); | |
930a2e29 | 272 | |
2b62b3a6 IR |
273 | if (metric_id) |
274 | evsel->metric_id = strdup(metric_id); | |
275 | ||
930a2e29 | 276 | if (config_terms) |
99fc5941 | 277 | list_splice_init(config_terms, &evsel->config_terms); |
930a2e29 | 278 | |
70943490 SE |
279 | if (list) |
280 | list_add_tail(&evsel->core.node, list); | |
281 | ||
410136f5 | 282 | return evsel; |
89812fc8 JO |
283 | } |
284 | ||
70943490 | 285 | struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr, |
2b62b3a6 IR |
286 | const char *name, const char *metric_id, |
287 | struct perf_pmu *pmu) | |
70943490 | 288 | { |
2b62b3a6 IR |
289 | return __add_event(/*list=*/NULL, &idx, attr, /*init_attr=*/false, name, |
290 | metric_id, pmu, /*config_terms=*/NULL, | |
291 | /*auto_merge_stats=*/false, /*cpu_list=*/NULL); | |
70943490 SE |
292 | } |
293 | ||
c5cd8ac0 | 294 | static int add_event(struct list_head *list, int *idx, |
8e8bbfb3 | 295 | struct perf_event_attr *attr, const char *name, |
2b62b3a6 | 296 | const char *metric_id, struct list_head *config_terms) |
7ae92e74 | 297 | { |
2b62b3a6 IR |
298 | return __add_event(list, idx, attr, /*init_attr*/true, name, metric_id, |
299 | /*pmu=*/NULL, config_terms, | |
300 | /*auto_merge_stats=*/false, /*cpu_list=*/NULL) ? 0 : -ENOMEM; | |
f0fbb114 AK |
301 | } |
302 | ||
303 | static int add_event_tool(struct list_head *list, int *idx, | |
304 | enum perf_tool_event tool_event) | |
305 | { | |
32dcd021 | 306 | struct evsel *evsel; |
f0fbb114 AK |
307 | struct perf_event_attr attr = { |
308 | .type = PERF_TYPE_SOFTWARE, | |
309 | .config = PERF_COUNT_SW_DUMMY, | |
310 | }; | |
311 | ||
2b62b3a6 IR |
312 | evsel = __add_event(list, idx, &attr, /*init_attr=*/true, /*name=*/NULL, |
313 | /*metric_id=*/NULL, /*pmu=*/NULL, | |
314 | /*config_terms=*/NULL, /*auto_merge_stats=*/false, | |
315 | /*cpu_list=*/"0"); | |
f0fbb114 AK |
316 | if (!evsel) |
317 | return -ENOMEM; | |
318 | evsel->tool_event = tool_event; | |
b03b89b3 FF |
319 | if (tool_event == PERF_TOOL_DURATION_TIME |
320 | || tool_event == PERF_TOOL_USER_TIME | |
321 | || tool_event == PERF_TOOL_SYSTEM_TIME) { | |
b194c9cd IR |
322 | free((char *)evsel->unit); |
323 | evsel->unit = strdup("ns"); | |
324 | } | |
f0fbb114 | 325 | return 0; |
7ae92e74 YZ |
326 | } |
327 | ||
70c90e4a IR |
328 | /** |
329 | * parse_aliases - search names for entries beginning or equalling str ignoring | |
330 | * case. If mutliple entries in names match str then the longest | |
331 | * is chosen. | |
332 | * @str: The needle to look for. | |
333 | * @names: The haystack to search. | |
334 | * @size: The size of the haystack. | |
335 | * @longest: Out argument giving the length of the matching entry. | |
336 | */ | |
337 | static int parse_aliases(const char *str, const char *const names[][EVSEL__MAX_ALIASES], int size, | |
338 | int *longest) | |
8326f44d | 339 | { |
70c90e4a IR |
340 | *longest = -1; |
341 | for (int i = 0; i < size; i++) { | |
342 | for (int j = 0; j < EVSEL__MAX_ALIASES && names[i][j]; j++) { | |
343 | int n = strlen(names[i][j]); | |
344 | ||
345 | if (n > *longest && !strncasecmp(str, names[i][j], n)) | |
346 | *longest = n; | |
61c45981 | 347 | } |
70c90e4a | 348 | if (*longest > 0) |
61c45981 | 349 | return i; |
8326f44d IM |
350 | } |
351 | ||
8953645f | 352 | return -1; |
8326f44d IM |
353 | } |
354 | ||
43d0b978 WN |
355 | typedef int config_term_func_t(struct perf_event_attr *attr, |
356 | struct parse_events_term *term, | |
357 | struct parse_events_error *err); | |
358 | static int config_term_common(struct perf_event_attr *attr, | |
359 | struct parse_events_term *term, | |
360 | struct parse_events_error *err); | |
361 | static int config_attr(struct perf_event_attr *attr, | |
5ccc4edf | 362 | const struct parse_events_terms *head, |
43d0b978 WN |
363 | struct parse_events_error *err, |
364 | config_term_func_t config_term); | |
365 | ||
6fd1e519 IR |
366 | /** |
367 | * parse_events__decode_legacy_cache - Search name for the legacy cache event | |
368 | * name composed of 1, 2 or 3 hyphen | |
369 | * separated sections. The first section is | |
370 | * the cache type while the others are the | |
371 | * optional op and optional result. To make | |
372 | * life hard the names in the table also | |
373 | * contain hyphens and the longest name | |
374 | * should always be selected. | |
375 | */ | |
251aa040 | 376 | int parse_events__decode_legacy_cache(const char *name, int extended_pmu_type, __u64 *config) |
8326f44d | 377 | { |
6fd1e519 | 378 | int len, cache_type = -1, cache_op = -1, cache_result = -1; |
70c90e4a | 379 | const char *name_end = &name[strlen(name) + 1]; |
70c90e4a | 380 | const char *str = name; |
8326f44d | 381 | |
70c90e4a | 382 | cache_type = parse_aliases(str, evsel__hw_cache, PERF_COUNT_HW_CACHE_MAX, &len); |
8326f44d | 383 | if (cache_type == -1) |
89812fc8 | 384 | return -EINVAL; |
70c90e4a | 385 | str += len + 1; |
89812fc8 | 386 | |
70c90e4a IR |
387 | if (str < name_end) { |
388 | cache_op = parse_aliases(str, evsel__hw_cache_op, | |
389 | PERF_COUNT_HW_CACHE_OP_MAX, &len); | |
390 | if (cache_op >= 0) { | |
391 | if (!evsel__is_cache_op_valid(cache_type, cache_op)) | |
392 | return -EINVAL; | |
393 | str += len + 1; | |
394 | } else { | |
395 | cache_result = parse_aliases(str, evsel__hw_cache_result, | |
396 | PERF_COUNT_HW_CACHE_RESULT_MAX, &len); | |
397 | if (cache_result >= 0) | |
398 | str += len + 1; | |
399 | } | |
400 | } | |
401 | if (str < name_end) { | |
402 | if (cache_op < 0) { | |
c64e85e1 | 403 | cache_op = parse_aliases(str, evsel__hw_cache_op, |
70c90e4a | 404 | PERF_COUNT_HW_CACHE_OP_MAX, &len); |
61c45981 | 405 | if (cache_op >= 0) { |
c754c382 | 406 | if (!evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 407 | return -EINVAL; |
61c45981 | 408 | } |
70c90e4a | 409 | } else if (cache_result < 0) { |
c64e85e1 | 410 | cache_result = parse_aliases(str, evsel__hw_cache_result, |
70c90e4a | 411 | PERF_COUNT_HW_CACHE_RESULT_MAX, &len); |
61c45981 | 412 | } |
61c45981 | 413 | } |
8326f44d | 414 | |
8326f44d IM |
415 | /* |
416 | * Fall back to reads: | |
417 | */ | |
8953645f IM |
418 | if (cache_op == -1) |
419 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 420 | |
8326f44d IM |
421 | /* |
422 | * Fall back to accesses: | |
423 | */ | |
424 | if (cache_result == -1) | |
425 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
426 | ||
251aa040 IR |
427 | *config = cache_type | (cache_op << 8) | (cache_result << 16); |
428 | if (perf_pmus__supports_extended_type()) | |
429 | *config |= (__u64)extended_pmu_type << PERF_PMU_TYPE_SHIFT; | |
6fd1e519 IR |
430 | return 0; |
431 | } | |
432 | ||
411ad22e IR |
433 | /** |
434 | * parse_events__filter_pmu - returns false if a wildcard PMU should be | |
435 | * considered, true if it should be filtered. | |
436 | */ | |
437 | bool parse_events__filter_pmu(const struct parse_events_state *parse_state, | |
438 | const struct perf_pmu *pmu) | |
439 | { | |
440 | if (parse_state->pmu_filter == NULL) | |
441 | return false; | |
442 | ||
411ad22e IR |
443 | return strcmp(parse_state->pmu_filter, pmu->name) != 0; |
444 | } | |
445 | ||
62593394 IR |
446 | static int parse_events_add_pmu(struct parse_events_state *parse_state, |
447 | struct list_head *list, struct perf_pmu *pmu, | |
448 | const struct parse_events_terms *const_parsed_terms, | |
449 | bool auto_merge_stats); | |
450 | ||
6fd1e519 | 451 | int parse_events_add_cache(struct list_head *list, int *idx, const char *name, |
411ad22e | 452 | struct parse_events_state *parse_state, |
62593394 | 453 | struct parse_events_terms *parsed_terms) |
6fd1e519 | 454 | { |
2bdf4d7e IR |
455 | struct perf_pmu *pmu = NULL; |
456 | bool found_supported = false; | |
62593394 IR |
457 | const char *config_name = get_config_name(parsed_terms); |
458 | const char *metric_id = get_config_metric_id(parsed_terms); | |
2bdf4d7e | 459 | |
62593394 | 460 | while ((pmu = perf_pmus__scan(pmu)) != NULL) { |
2bdf4d7e IR |
461 | LIST_HEAD(config_terms); |
462 | struct perf_event_attr attr; | |
463 | int ret; | |
464 | ||
411ad22e IR |
465 | if (parse_events__filter_pmu(parse_state, pmu)) |
466 | continue; | |
467 | ||
62593394 IR |
468 | if (perf_pmu__have_event(pmu, name)) { |
469 | /* | |
470 | * The PMU has the event so add as not a legacy cache | |
471 | * event. | |
472 | */ | |
473 | ret = parse_events_add_pmu(parse_state, list, pmu, | |
474 | parsed_terms, | |
475 | perf_pmu__auto_merge_stats(pmu)); | |
476 | if (ret) | |
477 | return ret; | |
478 | continue; | |
479 | } | |
480 | ||
481 | if (!pmu->is_core) { | |
482 | /* Legacy cache events are only supported by core PMUs. */ | |
483 | continue; | |
484 | } | |
485 | ||
2bdf4d7e IR |
486 | memset(&attr, 0, sizeof(attr)); |
487 | attr.type = PERF_TYPE_HW_CACHE; | |
6fd1e519 | 488 | |
2bdf4d7e IR |
489 | ret = parse_events__decode_legacy_cache(name, pmu->type, &attr.config); |
490 | if (ret) | |
491 | return ret; | |
6fd1e519 | 492 | |
2bdf4d7e IR |
493 | found_supported = true; |
494 | ||
62593394 IR |
495 | if (parsed_terms) { |
496 | if (config_attr(&attr, parsed_terms, parse_state->error, | |
497 | config_term_common)) | |
2bdf4d7e | 498 | return -EINVAL; |
43d0b978 | 499 | |
62593394 | 500 | if (get_config_terms(parsed_terms, &config_terms)) |
2bdf4d7e IR |
501 | return -ENOMEM; |
502 | } | |
43d0b978 | 503 | |
2bdf4d7e IR |
504 | if (__add_event(list, idx, &attr, /*init_attr*/true, config_name ?: name, |
505 | metric_id, pmu, &config_terms, /*auto_merge_stats=*/false, | |
506 | /*cpu_list=*/NULL) == NULL) | |
43d0b978 | 507 | return -ENOMEM; |
30def61f | 508 | |
2bdf4d7e IR |
509 | free_config_terms(&config_terms); |
510 | } | |
511 | return found_supported ? 0 : -EINVAL; | |
bcd3279f FW |
512 | } |
513 | ||
378ef0f5 | 514 | #ifdef HAVE_LIBTRACEEVENT |
272ed29a | 515 | static void tracepoint_error(struct parse_events_error *e, int err, |
d81fa63b | 516 | const char *sys, const char *name, int column) |
19658171 | 517 | { |
4584f084 | 518 | const char *str; |
19658171 JO |
519 | char help[BUFSIZ]; |
520 | ||
ec183d22 AH |
521 | if (!e) |
522 | return; | |
523 | ||
19658171 JO |
524 | /* |
525 | * We get error directly from syscall errno ( > 0), | |
526 | * or from encoded pointer's error ( < 0). | |
527 | */ | |
528 | err = abs(err); | |
529 | ||
530 | switch (err) { | |
531 | case EACCES: | |
4584f084 | 532 | str = "can't access trace events"; |
19658171 JO |
533 | break; |
534 | case ENOENT: | |
4584f084 | 535 | str = "unknown tracepoint"; |
19658171 JO |
536 | break; |
537 | default: | |
4584f084 | 538 | str = "failed to add tracepoint"; |
19658171 JO |
539 | break; |
540 | } | |
541 | ||
542 | tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name); | |
d81fa63b | 543 | parse_events_error__handle(e, column, strdup(str), strdup(help)); |
19658171 JO |
544 | } |
545 | ||
11a42964 DM |
546 | static int add_tracepoint(struct parse_events_state *parse_state, |
547 | struct list_head *list, | |
8c619d6a | 548 | const char *sys_name, const char *evt_name, |
272ed29a | 549 | struct parse_events_error *err, |
0d3f0e6f | 550 | struct parse_events_terms *head_config, void *loc_) |
bcd3279f | 551 | { |
d81fa63b | 552 | YYLTYPE *loc = loc_; |
a2a6604e DM |
553 | struct evsel *evsel = evsel__newtp_idx(sys_name, evt_name, parse_state->idx++, |
554 | !parse_state->fake_tp); | |
bcd3279f | 555 | |
19658171 | 556 | if (IS_ERR(evsel)) { |
d81fa63b | 557 | tracepoint_error(err, PTR_ERR(evsel), sys_name, evt_name, loc->first_column); |
8dd2a131 | 558 | return PTR_ERR(evsel); |
19658171 | 559 | } |
bcd3279f | 560 | |
e637d177 HK |
561 | if (head_config) { |
562 | LIST_HEAD(config_terms); | |
563 | ||
564 | if (get_config_terms(head_config, &config_terms)) | |
565 | return -ENOMEM; | |
566 | list_splice(&config_terms, &evsel->config_terms); | |
567 | } | |
568 | ||
b27c4ece | 569 | list_add_tail(&evsel->core.node, list); |
82fe1c29 | 570 | return 0; |
8326f44d IM |
571 | } |
572 | ||
11a42964 DM |
573 | static int add_tracepoint_multi_event(struct parse_events_state *parse_state, |
574 | struct list_head *list, | |
8c619d6a | 575 | const char *sys_name, const char *evt_name, |
272ed29a | 576 | struct parse_events_error *err, |
0d3f0e6f | 577 | struct parse_events_terms *head_config, YYLTYPE *loc) |
bcd3279f | 578 | { |
25a7d914 | 579 | char *evt_path; |
bcd3279f FW |
580 | struct dirent *evt_ent; |
581 | DIR *evt_dir; | |
27bf90bf | 582 | int ret = 0, found = 0; |
bcd3279f | 583 | |
25a7d914 ACM |
584 | evt_path = get_events_file(sys_name); |
585 | if (!evt_path) { | |
d81fa63b | 586 | tracepoint_error(err, errno, sys_name, evt_name, loc->first_column); |
25a7d914 ACM |
587 | return -1; |
588 | } | |
bcd3279f | 589 | evt_dir = opendir(evt_path); |
bcd3279f | 590 | if (!evt_dir) { |
25a7d914 | 591 | put_events_file(evt_path); |
d81fa63b | 592 | tracepoint_error(err, errno, sys_name, evt_name, loc->first_column); |
89812fc8 | 593 | return -1; |
bcd3279f FW |
594 | } |
595 | ||
89812fc8 | 596 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
597 | if (!strcmp(evt_ent->d_name, ".") |
598 | || !strcmp(evt_ent->d_name, "..") | |
599 | || !strcmp(evt_ent->d_name, "enable") | |
600 | || !strcmp(evt_ent->d_name, "filter")) | |
601 | continue; | |
602 | ||
89812fc8 | 603 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
604 | continue; |
605 | ||
27bf90bf JO |
606 | found++; |
607 | ||
11a42964 | 608 | ret = add_tracepoint(parse_state, list, sys_name, evt_ent->d_name, |
d81fa63b | 609 | err, head_config, loc); |
bcd3279f FW |
610 | } |
611 | ||
27bf90bf | 612 | if (!found) { |
d81fa63b | 613 | tracepoint_error(err, ENOENT, sys_name, evt_name, loc->first_column); |
27bf90bf JO |
614 | ret = -1; |
615 | } | |
616 | ||
25a7d914 | 617 | put_events_file(evt_path); |
0bd3f084 | 618 | closedir(evt_dir); |
89812fc8 | 619 | return ret; |
bcd3279f FW |
620 | } |
621 | ||
11a42964 DM |
622 | static int add_tracepoint_event(struct parse_events_state *parse_state, |
623 | struct list_head *list, | |
8c619d6a | 624 | const char *sys_name, const char *evt_name, |
272ed29a | 625 | struct parse_events_error *err, |
0d3f0e6f | 626 | struct parse_events_terms *head_config, YYLTYPE *loc) |
f35488f9 JO |
627 | { |
628 | return strpbrk(evt_name, "*?") ? | |
11a42964 | 629 | add_tracepoint_multi_event(parse_state, list, sys_name, evt_name, |
d81fa63b | 630 | err, head_config, loc) : |
11a42964 | 631 | add_tracepoint(parse_state, list, sys_name, evt_name, |
d81fa63b | 632 | err, head_config, loc); |
f35488f9 JO |
633 | } |
634 | ||
11a42964 DM |
635 | static int add_tracepoint_multi_sys(struct parse_events_state *parse_state, |
636 | struct list_head *list, | |
8c619d6a | 637 | const char *sys_name, const char *evt_name, |
272ed29a | 638 | struct parse_events_error *err, |
0d3f0e6f | 639 | struct parse_events_terms *head_config, YYLTYPE *loc) |
f35488f9 JO |
640 | { |
641 | struct dirent *events_ent; | |
642 | DIR *events_dir; | |
643 | int ret = 0; | |
644 | ||
7014e0e3 | 645 | events_dir = tracing_events__opendir(); |
f35488f9 | 646 | if (!events_dir) { |
d81fa63b | 647 | tracepoint_error(err, errno, sys_name, evt_name, loc->first_column); |
f35488f9 JO |
648 | return -1; |
649 | } | |
650 | ||
651 | while (!ret && (events_ent = readdir(events_dir))) { | |
652 | if (!strcmp(events_ent->d_name, ".") | |
653 | || !strcmp(events_ent->d_name, "..") | |
654 | || !strcmp(events_ent->d_name, "enable") | |
655 | || !strcmp(events_ent->d_name, "header_event") | |
656 | || !strcmp(events_ent->d_name, "header_page")) | |
657 | continue; | |
658 | ||
659 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
660 | continue; | |
661 | ||
11a42964 | 662 | ret = add_tracepoint_event(parse_state, list, events_ent->d_name, |
d81fa63b | 663 | evt_name, err, head_config, loc); |
f35488f9 JO |
664 | } |
665 | ||
666 | closedir(events_dir); | |
667 | return ret; | |
668 | } | |
378ef0f5 | 669 | #endif /* HAVE_LIBTRACEEVENT */ |
f35488f9 | 670 | |
89812fc8 JO |
671 | static int |
672 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
673 | { |
674 | int i; | |
675 | ||
676 | for (i = 0; i < 3; i++) { | |
89812fc8 | 677 | if (!type || !type[i]) |
1b290d67 FW |
678 | break; |
679 | ||
7582732f JO |
680 | #define CHECK_SET_TYPE(bit) \ |
681 | do { \ | |
682 | if (attr->bp_type & bit) \ | |
683 | return -EINVAL; \ | |
684 | else \ | |
685 | attr->bp_type |= bit; \ | |
686 | } while (0) | |
687 | ||
1b290d67 FW |
688 | switch (type[i]) { |
689 | case 'r': | |
7582732f | 690 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
691 | break; |
692 | case 'w': | |
7582732f | 693 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
694 | break; |
695 | case 'x': | |
7582732f | 696 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
697 | break; |
698 | default: | |
89812fc8 | 699 | return -EINVAL; |
1b290d67 FW |
700 | } |
701 | } | |
89812fc8 | 702 | |
7582732f JO |
703 | #undef CHECK_SET_TYPE |
704 | ||
1b290d67 FW |
705 | if (!attr->bp_type) /* Default */ |
706 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
707 | ||
89812fc8 | 708 | return 0; |
1b290d67 FW |
709 | } |
710 | ||
f0617f52 AH |
711 | int parse_events_add_breakpoint(struct parse_events_state *parse_state, |
712 | struct list_head *list, | |
713 | u64 addr, char *type, u64 len, | |
0d3f0e6f | 714 | struct parse_events_terms *head_config) |
1b290d67 | 715 | { |
89812fc8 | 716 | struct perf_event_attr attr; |
f0617f52 AH |
717 | LIST_HEAD(config_terms); |
718 | const char *name; | |
1b290d67 | 719 | |
89812fc8 | 720 | memset(&attr, 0, sizeof(attr)); |
aa98d848 | 721 | attr.bp_addr = addr; |
1b290d67 | 722 | |
89812fc8 JO |
723 | if (parse_breakpoint_type(type, &attr)) |
724 | return -EINVAL; | |
1b290d67 | 725 | |
3741eb9f JS |
726 | /* Provide some defaults if len is not specified */ |
727 | if (!len) { | |
728 | if (attr.bp_type == HW_BREAKPOINT_X) | |
729 | len = sizeof(long); | |
730 | else | |
731 | len = HW_BREAKPOINT_LEN_4; | |
732 | } | |
733 | ||
734 | attr.bp_len = len; | |
61c45981 | 735 | |
89812fc8 | 736 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 737 | attr.sample_period = 1; |
b908debd | 738 | |
f0617f52 AH |
739 | if (head_config) { |
740 | if (config_attr(&attr, head_config, parse_state->error, | |
741 | config_term_common)) | |
742 | return -EINVAL; | |
743 | ||
744 | if (get_config_terms(head_config, &config_terms)) | |
745 | return -ENOMEM; | |
746 | } | |
747 | ||
748 | name = get_config_name(head_config); | |
749 | ||
750 | return add_event(list, &parse_state->idx, &attr, name, /*mertic_id=*/NULL, | |
751 | &config_terms); | |
74d5b588 JSR |
752 | } |
753 | ||
3b0e371c JO |
754 | static int check_type_val(struct parse_events_term *term, |
755 | struct parse_events_error *err, | |
58d3a4ce | 756 | enum parse_events__term_val_type type) |
3b0e371c JO |
757 | { |
758 | if (type == term->type_val) | |
759 | return 0; | |
760 | ||
761 | if (err) { | |
6c191289 | 762 | parse_events_error__handle(err, term->err_val, |
448d732c IR |
763 | type == PARSE_EVENTS__TERM_TYPE_NUM |
764 | ? strdup("expected numeric value") | |
765 | : strdup("expected string value"), | |
766 | NULL); | |
3b0e371c JO |
767 | } |
768 | return -EINVAL; | |
769 | } | |
770 | ||
1669e509 WN |
771 | static bool config_term_shrinked; |
772 | ||
58d3a4ce IR |
773 | static const char *config_term_name(enum parse_events__term_type term_type) |
774 | { | |
775 | /* | |
776 | * Update according to parse-events.l | |
777 | */ | |
778 | static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { | |
779 | [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>", | |
780 | [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config", | |
781 | [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1", | |
782 | [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2", | |
783 | [PARSE_EVENTS__TERM_TYPE_CONFIG3] = "config3", | |
784 | [PARSE_EVENTS__TERM_TYPE_NAME] = "name", | |
785 | [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period", | |
786 | [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq", | |
787 | [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type", | |
788 | [PARSE_EVENTS__TERM_TYPE_TIME] = "time", | |
789 | [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph", | |
790 | [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", | |
791 | [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", | |
792 | [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", | |
793 | [PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack", | |
794 | [PARSE_EVENTS__TERM_TYPE_MAX_EVENTS] = "nr", | |
795 | [PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite", | |
796 | [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite", | |
797 | [PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config", | |
798 | [PARSE_EVENTS__TERM_TYPE_PERCORE] = "percore", | |
799 | [PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT] = "aux-output", | |
800 | [PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE] = "aux-sample-size", | |
801 | [PARSE_EVENTS__TERM_TYPE_METRIC_ID] = "metric-id", | |
802 | [PARSE_EVENTS__TERM_TYPE_RAW] = "raw", | |
803 | [PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE] = "legacy-cache", | |
804 | [PARSE_EVENTS__TERM_TYPE_HARDWARE] = "hardware", | |
805 | }; | |
806 | if ((unsigned int)term_type >= __PARSE_EVENTS__TERM_TYPE_NR) | |
807 | return "unknown term"; | |
808 | ||
809 | return config_term_names[term_type]; | |
810 | } | |
811 | ||
1669e509 | 812 | static bool |
58d3a4ce | 813 | config_term_avail(enum parse_events__term_type term_type, struct parse_events_error *err) |
1669e509 | 814 | { |
448d732c IR |
815 | char *err_str; |
816 | ||
1669e509 | 817 | if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) { |
6c191289 | 818 | parse_events_error__handle(err, -1, |
448d732c | 819 | strdup("Invalid term_type"), NULL); |
1669e509 WN |
820 | return false; |
821 | } | |
822 | if (!config_term_shrinked) | |
823 | return true; | |
824 | ||
825 | switch (term_type) { | |
826 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
827 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
828 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
204e7c49 | 829 | case PARSE_EVENTS__TERM_TYPE_CONFIG3: |
1669e509 | 830 | case PARSE_EVENTS__TERM_TYPE_NAME: |
2b62b3a6 | 831 | case PARSE_EVENTS__TERM_TYPE_METRIC_ID: |
06835545 | 832 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: |
064b4e82 | 833 | case PARSE_EVENTS__TERM_TYPE_PERCORE: |
1669e509 | 834 | return true; |
58d3a4ce IR |
835 | case PARSE_EVENTS__TERM_TYPE_USER: |
836 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: | |
837 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
838 | case PARSE_EVENTS__TERM_TYPE_TIME: | |
839 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: | |
840 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: | |
841 | case PARSE_EVENTS__TERM_TYPE_NOINHERIT: | |
842 | case PARSE_EVENTS__TERM_TYPE_INHERIT: | |
843 | case PARSE_EVENTS__TERM_TYPE_MAX_STACK: | |
844 | case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS: | |
845 | case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: | |
846 | case PARSE_EVENTS__TERM_TYPE_OVERWRITE: | |
847 | case PARSE_EVENTS__TERM_TYPE_DRV_CFG: | |
848 | case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: | |
849 | case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE: | |
850 | case PARSE_EVENTS__TERM_TYPE_RAW: | |
851 | case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE: | |
852 | case PARSE_EVENTS__TERM_TYPE_HARDWARE: | |
1669e509 WN |
853 | default: |
854 | if (!err) | |
855 | return false; | |
856 | ||
857 | /* term_type is validated so indexing is safe */ | |
448d732c | 858 | if (asprintf(&err_str, "'%s' is not usable in 'perf stat'", |
58d3a4ce | 859 | config_term_name(term_type)) >= 0) |
6c191289 | 860 | parse_events_error__handle(err, -1, err_str, NULL); |
1669e509 WN |
861 | return false; |
862 | } | |
863 | } | |
864 | ||
865 | void parse_events__shrink_config_terms(void) | |
866 | { | |
867 | config_term_shrinked = true; | |
868 | } | |
869 | ||
0b8891a8 HK |
870 | static int config_term_common(struct perf_event_attr *attr, |
871 | struct parse_events_term *term, | |
872 | struct parse_events_error *err) | |
8f707d84 | 873 | { |
3b0e371c JO |
874 | #define CHECK_TYPE_VAL(type) \ |
875 | do { \ | |
876 | if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ | |
877 | return -EINVAL; \ | |
16fa7e82 JO |
878 | } while (0) |
879 | ||
880 | switch (term->type_term) { | |
8f707d84 | 881 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 882 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
883 | attr->config = term->val.num; |
884 | break; | |
885 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 886 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
887 | attr->config1 = term->val.num; |
888 | break; | |
889 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 890 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
891 | attr->config2 = term->val.num; |
892 | break; | |
204e7c49 RH |
893 | case PARSE_EVENTS__TERM_TYPE_CONFIG3: |
894 | CHECK_TYPE_VAL(NUM); | |
895 | attr->config3 = term->val.num; | |
896 | break; | |
8f707d84 | 897 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: |
16fa7e82 | 898 | CHECK_TYPE_VAL(NUM); |
8f707d84 | 899 | break; |
09af2a55 NK |
900 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: |
901 | CHECK_TYPE_VAL(NUM); | |
902 | break; | |
8f707d84 | 903 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: |
ac12f676 AK |
904 | CHECK_TYPE_VAL(STR); |
905 | if (strcmp(term->val.str, "no") && | |
448d732c IR |
906 | parse_branch_str(term->val.str, |
907 | &attr->branch_sample_type)) { | |
6c191289 | 908 | parse_events_error__handle(err, term->err_val, |
448d732c IR |
909 | strdup("invalid branch sample type"), |
910 | NULL); | |
ac12f676 AK |
911 | return -EINVAL; |
912 | } | |
8f707d84 | 913 | break; |
32067712 KL |
914 | case PARSE_EVENTS__TERM_TYPE_TIME: |
915 | CHECK_TYPE_VAL(NUM); | |
916 | if (term->val.num > 1) { | |
6c191289 | 917 | parse_events_error__handle(err, term->err_val, |
448d732c IR |
918 | strdup("expected 0 or 1"), |
919 | NULL); | |
32067712 KL |
920 | return -EINVAL; |
921 | } | |
922 | break; | |
d457c963 KL |
923 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: |
924 | CHECK_TYPE_VAL(STR); | |
925 | break; | |
926 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: | |
927 | CHECK_TYPE_VAL(NUM); | |
928 | break; | |
374ce938 WN |
929 | case PARSE_EVENTS__TERM_TYPE_INHERIT: |
930 | CHECK_TYPE_VAL(NUM); | |
931 | break; | |
932 | case PARSE_EVENTS__TERM_TYPE_NOINHERIT: | |
933 | CHECK_TYPE_VAL(NUM); | |
934 | break; | |
626a6b78 WN |
935 | case PARSE_EVENTS__TERM_TYPE_OVERWRITE: |
936 | CHECK_TYPE_VAL(NUM); | |
937 | break; | |
938 | case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: | |
939 | CHECK_TYPE_VAL(NUM); | |
940 | break; | |
6b5fc39b JO |
941 | case PARSE_EVENTS__TERM_TYPE_NAME: |
942 | CHECK_TYPE_VAL(STR); | |
943 | break; | |
2b62b3a6 IR |
944 | case PARSE_EVENTS__TERM_TYPE_METRIC_ID: |
945 | CHECK_TYPE_VAL(STR); | |
946 | break; | |
70c90e4a IR |
947 | case PARSE_EVENTS__TERM_TYPE_RAW: |
948 | CHECK_TYPE_VAL(STR); | |
949 | break; | |
792d48b4 ACM |
950 | case PARSE_EVENTS__TERM_TYPE_MAX_STACK: |
951 | CHECK_TYPE_VAL(NUM); | |
952 | break; | |
2fda5ada ACM |
953 | case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS: |
954 | CHECK_TYPE_VAL(NUM); | |
955 | break; | |
064b4e82 JY |
956 | case PARSE_EVENTS__TERM_TYPE_PERCORE: |
957 | CHECK_TYPE_VAL(NUM); | |
958 | if ((unsigned int)term->val.num > 1) { | |
6c191289 | 959 | parse_events_error__handle(err, term->err_val, |
448d732c IR |
960 | strdup("expected 0 or 1"), |
961 | NULL); | |
064b4e82 JY |
962 | return -EINVAL; |
963 | } | |
964 | break; | |
1b992154 AH |
965 | case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: |
966 | CHECK_TYPE_VAL(NUM); | |
967 | break; | |
eb7a52d4 AH |
968 | case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE: |
969 | CHECK_TYPE_VAL(NUM); | |
970 | if (term->val.num > UINT_MAX) { | |
6c191289 | 971 | parse_events_error__handle(err, term->err_val, |
eb7a52d4 AH |
972 | strdup("too big"), |
973 | NULL); | |
974 | return -EINVAL; | |
975 | } | |
976 | break; | |
58d3a4ce IR |
977 | case PARSE_EVENTS__TERM_TYPE_DRV_CFG: |
978 | case PARSE_EVENTS__TERM_TYPE_USER: | |
979 | case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE: | |
980 | case PARSE_EVENTS__TERM_TYPE_HARDWARE: | |
8f707d84 | 981 | default: |
6c191289 | 982 | parse_events_error__handle(err, term->err_term, |
58d3a4ce IR |
983 | strdup(config_term_name(term->type_term)), |
984 | parse_events_formats_error_string(NULL)); | |
8f707d84 JO |
985 | return -EINVAL; |
986 | } | |
16fa7e82 | 987 | |
1669e509 | 988 | /* |
4d39c89f | 989 | * Check term availability after basic checking so |
1669e509 WN |
990 | * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered. |
991 | * | |
4d39c89f | 992 | * If check availability at the entry of this function, |
1669e509 WN |
993 | * user will see "'<sysfs term>' is not usable in 'perf stat'" |
994 | * if an invalid config term is provided for legacy events | |
995 | * (for example, instructions/badterm/...), which is confusing. | |
996 | */ | |
997 | if (!config_term_avail(term->type_term, err)) | |
998 | return -EINVAL; | |
8f707d84 | 999 | return 0; |
16fa7e82 | 1000 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
1001 | } |
1002 | ||
0b8891a8 HK |
1003 | static int config_term_pmu(struct perf_event_attr *attr, |
1004 | struct parse_events_term *term, | |
1005 | struct parse_events_error *err) | |
1006 | { | |
6fd1e519 | 1007 | if (term->type_term == PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE) { |
a24d9d9d | 1008 | struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type); |
6fd1e519 | 1009 | |
5b10c18d IR |
1010 | if (!pmu) { |
1011 | char *err_str; | |
1012 | ||
1013 | if (asprintf(&err_str, "Failed to find PMU for type %d", attr->type) >= 0) | |
1014 | parse_events_error__handle(err, term->err_term, | |
1015 | err_str, /*help=*/NULL); | |
1016 | return -EINVAL; | |
1017 | } | |
a24d9d9d IR |
1018 | /* |
1019 | * Rewrite the PMU event to a legacy cache one unless the PMU | |
1020 | * doesn't support legacy cache events or the event is present | |
1021 | * within the PMU. | |
1022 | */ | |
1023 | if (perf_pmu__supports_legacy_cache(pmu) && | |
1024 | !perf_pmu__have_event(pmu, term->config)) { | |
6fd1e519 IR |
1025 | attr->type = PERF_TYPE_HW_CACHE; |
1026 | return parse_events__decode_legacy_cache(term->config, pmu->type, | |
1027 | &attr->config); | |
a24d9d9d | 1028 | } else { |
6fd1e519 | 1029 | term->type_term = PARSE_EVENTS__TERM_TYPE_USER; |
a24d9d9d IR |
1030 | term->no_value = true; |
1031 | } | |
6fd1e519 | 1032 | } |
5ea8f2cc | 1033 | if (term->type_term == PARSE_EVENTS__TERM_TYPE_HARDWARE) { |
a24d9d9d | 1034 | struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type); |
5ea8f2cc IR |
1035 | |
1036 | if (!pmu) { | |
251aa040 IR |
1037 | char *err_str; |
1038 | ||
1039 | if (asprintf(&err_str, "Failed to find PMU for type %d", attr->type) >= 0) | |
1040 | parse_events_error__handle(err, term->err_term, | |
1041 | err_str, /*help=*/NULL); | |
5ea8f2cc IR |
1042 | return -EINVAL; |
1043 | } | |
a24d9d9d IR |
1044 | /* |
1045 | * If the PMU has a sysfs or json event prefer it over | |
1046 | * legacy. ARM requires this. | |
1047 | */ | |
1048 | if (perf_pmu__have_event(pmu, term->config)) { | |
1049 | term->type_term = PARSE_EVENTS__TERM_TYPE_USER; | |
1050 | term->no_value = true; | |
1051 | } else { | |
1052 | attr->type = PERF_TYPE_HARDWARE; | |
1053 | attr->config = term->val.num; | |
1054 | if (perf_pmus__supports_extended_type()) | |
1055 | attr->config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT; | |
1056 | } | |
5ea8f2cc IR |
1057 | return 0; |
1058 | } | |
dd60fba7 | 1059 | if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER || |
6fd1e519 | 1060 | term->type_term == PARSE_EVENTS__TERM_TYPE_DRV_CFG) { |
0b8891a8 HK |
1061 | /* |
1062 | * Always succeed for sysfs terms, as we dont know | |
1063 | * at this point what type they need to have. | |
1064 | */ | |
1065 | return 0; | |
6fd1e519 IR |
1066 | } |
1067 | return config_term_common(attr, term, err); | |
0b8891a8 HK |
1068 | } |
1069 | ||
378ef0f5 | 1070 | #ifdef HAVE_LIBTRACEEVENT |
e637d177 HK |
1071 | static int config_term_tracepoint(struct perf_event_attr *attr, |
1072 | struct parse_events_term *term, | |
1073 | struct parse_events_error *err) | |
1074 | { | |
1075 | switch (term->type_term) { | |
1076 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: | |
1077 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: | |
374ce938 WN |
1078 | case PARSE_EVENTS__TERM_TYPE_INHERIT: |
1079 | case PARSE_EVENTS__TERM_TYPE_NOINHERIT: | |
792d48b4 | 1080 | case PARSE_EVENTS__TERM_TYPE_MAX_STACK: |
2fda5ada | 1081 | case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS: |
626a6b78 WN |
1082 | case PARSE_EVENTS__TERM_TYPE_OVERWRITE: |
1083 | case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: | |
1b992154 | 1084 | case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: |
eb7a52d4 | 1085 | case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE: |
e637d177 | 1086 | return config_term_common(attr, term, err); |
58d3a4ce IR |
1087 | case PARSE_EVENTS__TERM_TYPE_USER: |
1088 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
1089 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
1090 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
1091 | case PARSE_EVENTS__TERM_TYPE_CONFIG3: | |
1092 | case PARSE_EVENTS__TERM_TYPE_NAME: | |
1093 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
1094 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: | |
1095 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
1096 | case PARSE_EVENTS__TERM_TYPE_TIME: | |
1097 | case PARSE_EVENTS__TERM_TYPE_DRV_CFG: | |
1098 | case PARSE_EVENTS__TERM_TYPE_PERCORE: | |
1099 | case PARSE_EVENTS__TERM_TYPE_METRIC_ID: | |
1100 | case PARSE_EVENTS__TERM_TYPE_RAW: | |
1101 | case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE: | |
1102 | case PARSE_EVENTS__TERM_TYPE_HARDWARE: | |
e637d177 HK |
1103 | default: |
1104 | if (err) { | |
6c191289 | 1105 | parse_events_error__handle(err, term->err_term, |
58d3a4ce | 1106 | strdup(config_term_name(term->type_term)), |
448d732c | 1107 | strdup("valid terms: call-graph,stack-size\n")); |
e637d177 HK |
1108 | } |
1109 | return -EINVAL; | |
1110 | } | |
1111 | ||
1112 | return 0; | |
1113 | } | |
378ef0f5 | 1114 | #endif |
e637d177 | 1115 | |
8f707d84 | 1116 | static int config_attr(struct perf_event_attr *attr, |
5ccc4edf | 1117 | const struct parse_events_terms *head, |
0b8891a8 HK |
1118 | struct parse_events_error *err, |
1119 | config_term_func_t config_term) | |
8f707d84 | 1120 | { |
6cee6cd3 | 1121 | struct parse_events_term *term; |
8f707d84 | 1122 | |
0d3f0e6f | 1123 | list_for_each_entry(term, &head->terms, list) |
3b0e371c | 1124 | if (config_term(attr, term, err)) |
8f707d84 JO |
1125 | return -EINVAL; |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | ||
5ccc4edf IR |
1130 | static int get_config_terms(const struct parse_events_terms *head_config, |
1131 | struct list_head *head_terms) | |
930a2e29 | 1132 | { |
05e54e23 | 1133 | #define ADD_CONFIG_TERM(__type, __weak) \ |
35ac0cad | 1134 | struct evsel_config_term *__t; \ |
930a2e29 JO |
1135 | \ |
1136 | __t = zalloc(sizeof(*__t)); \ | |
1137 | if (!__t) \ | |
1138 | return -ENOMEM; \ | |
1139 | \ | |
1140 | INIT_LIST_HEAD(&__t->list); \ | |
35ac0cad | 1141 | __t->type = EVSEL__CONFIG_TERM_ ## __type; \ |
05e54e23 | 1142 | __t->weak = __weak; \ |
e884602b LY |
1143 | list_add_tail(&__t->list, head_terms) |
1144 | ||
05e54e23 | 1145 | #define ADD_CONFIG_TERM_VAL(__type, __name, __val, __weak) \ |
e884602b | 1146 | do { \ |
05e54e23 | 1147 | ADD_CONFIG_TERM(__type, __weak); \ |
e884602b LY |
1148 | __t->val.__name = __val; \ |
1149 | } while (0) | |
1150 | ||
05e54e23 | 1151 | #define ADD_CONFIG_TERM_STR(__type, __val, __weak) \ |
e884602b | 1152 | do { \ |
05e54e23 | 1153 | ADD_CONFIG_TERM(__type, __weak); \ |
3220fb8d LY |
1154 | __t->val.str = strdup(__val); \ |
1155 | if (!__t->val.str) { \ | |
1156 | zfree(&__t); \ | |
1157 | return -ENOMEM; \ | |
1158 | } \ | |
1159 | __t->free_str = true; \ | |
930a2e29 JO |
1160 | } while (0) |
1161 | ||
1162 | struct parse_events_term *term; | |
1163 | ||
0d3f0e6f | 1164 | list_for_each_entry(term, &head_config->terms, list) { |
930a2e29 | 1165 | switch (term->type_term) { |
ee4c7588 | 1166 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: |
05e54e23 | 1167 | ADD_CONFIG_TERM_VAL(PERIOD, period, term->val.num, term->weak); |
32067712 | 1168 | break; |
09af2a55 | 1169 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: |
05e54e23 | 1170 | ADD_CONFIG_TERM_VAL(FREQ, freq, term->val.num, term->weak); |
09af2a55 | 1171 | break; |
32067712 | 1172 | case PARSE_EVENTS__TERM_TYPE_TIME: |
05e54e23 | 1173 | ADD_CONFIG_TERM_VAL(TIME, time, term->val.num, term->weak); |
32067712 | 1174 | break; |
d457c963 | 1175 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: |
05e54e23 | 1176 | ADD_CONFIG_TERM_STR(CALLGRAPH, term->val.str, term->weak); |
d457c963 | 1177 | break; |
ac12f676 | 1178 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: |
05e54e23 | 1179 | ADD_CONFIG_TERM_STR(BRANCH, term->val.str, term->weak); |
ac12f676 | 1180 | break; |
d457c963 | 1181 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: |
e884602b | 1182 | ADD_CONFIG_TERM_VAL(STACK_USER, stack_user, |
05e54e23 | 1183 | term->val.num, term->weak); |
d457c963 | 1184 | break; |
374ce938 | 1185 | case PARSE_EVENTS__TERM_TYPE_INHERIT: |
e884602b | 1186 | ADD_CONFIG_TERM_VAL(INHERIT, inherit, |
05e54e23 | 1187 | term->val.num ? 1 : 0, term->weak); |
374ce938 WN |
1188 | break; |
1189 | case PARSE_EVENTS__TERM_TYPE_NOINHERIT: | |
e884602b | 1190 | ADD_CONFIG_TERM_VAL(INHERIT, inherit, |
05e54e23 | 1191 | term->val.num ? 0 : 1, term->weak); |
374ce938 | 1192 | break; |
792d48b4 | 1193 | case PARSE_EVENTS__TERM_TYPE_MAX_STACK: |
e884602b | 1194 | ADD_CONFIG_TERM_VAL(MAX_STACK, max_stack, |
05e54e23 | 1195 | term->val.num, term->weak); |
792d48b4 | 1196 | break; |
2fda5ada | 1197 | case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS: |
e884602b | 1198 | ADD_CONFIG_TERM_VAL(MAX_EVENTS, max_events, |
05e54e23 | 1199 | term->val.num, term->weak); |
2fda5ada | 1200 | break; |
626a6b78 | 1201 | case PARSE_EVENTS__TERM_TYPE_OVERWRITE: |
e884602b | 1202 | ADD_CONFIG_TERM_VAL(OVERWRITE, overwrite, |
05e54e23 | 1203 | term->val.num ? 1 : 0, term->weak); |
626a6b78 WN |
1204 | break; |
1205 | case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: | |
e884602b | 1206 | ADD_CONFIG_TERM_VAL(OVERWRITE, overwrite, |
05e54e23 | 1207 | term->val.num ? 0 : 1, term->weak); |
626a6b78 | 1208 | break; |
dd60fba7 | 1209 | case PARSE_EVENTS__TERM_TYPE_DRV_CFG: |
05e54e23 | 1210 | ADD_CONFIG_TERM_STR(DRV_CFG, term->val.str, term->weak); |
dd60fba7 | 1211 | break; |
064b4e82 | 1212 | case PARSE_EVENTS__TERM_TYPE_PERCORE: |
e884602b | 1213 | ADD_CONFIG_TERM_VAL(PERCORE, percore, |
05e54e23 | 1214 | term->val.num ? true : false, term->weak); |
064b4e82 | 1215 | break; |
1b992154 | 1216 | case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: |
e884602b | 1217 | ADD_CONFIG_TERM_VAL(AUX_OUTPUT, aux_output, |
05e54e23 | 1218 | term->val.num ? 1 : 0, term->weak); |
1b992154 | 1219 | break; |
eb7a52d4 | 1220 | case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE: |
e884602b | 1221 | ADD_CONFIG_TERM_VAL(AUX_SAMPLE_SIZE, aux_sample_size, |
05e54e23 | 1222 | term->val.num, term->weak); |
eb7a52d4 | 1223 | break; |
58d3a4ce IR |
1224 | case PARSE_EVENTS__TERM_TYPE_USER: |
1225 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
1226 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
1227 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
1228 | case PARSE_EVENTS__TERM_TYPE_CONFIG3: | |
1229 | case PARSE_EVENTS__TERM_TYPE_NAME: | |
1230 | case PARSE_EVENTS__TERM_TYPE_METRIC_ID: | |
1231 | case PARSE_EVENTS__TERM_TYPE_RAW: | |
1232 | case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE: | |
1233 | case PARSE_EVENTS__TERM_TYPE_HARDWARE: | |
930a2e29 JO |
1234 | default: |
1235 | break; | |
1236 | } | |
1237 | } | |
a1ac7de6 AH |
1238 | return 0; |
1239 | } | |
1240 | ||
1241 | /* | |
35ac0cad | 1242 | * Add EVSEL__CONFIG_TERM_CFG_CHG where cfg_chg will have a bit set for |
a1ac7de6 AH |
1243 | * each bit of attr->config that the user has changed. |
1244 | */ | |
0d3f0e6f | 1245 | static int get_config_chgs(struct perf_pmu *pmu, struct parse_events_terms *head_config, |
a1ac7de6 AH |
1246 | struct list_head *head_terms) |
1247 | { | |
1248 | struct parse_events_term *term; | |
1249 | u64 bits = 0; | |
1250 | int type; | |
1251 | ||
0d3f0e6f | 1252 | list_for_each_entry(term, &head_config->terms, list) { |
a1ac7de6 AH |
1253 | switch (term->type_term) { |
1254 | case PARSE_EVENTS__TERM_TYPE_USER: | |
7eb54733 | 1255 | type = perf_pmu__format_type(pmu, term->config); |
a1ac7de6 AH |
1256 | if (type != PERF_PMU_FORMAT_VALUE_CONFIG) |
1257 | continue; | |
da6a5afd | 1258 | bits |= perf_pmu__format_bits(pmu, term->config); |
a1ac7de6 AH |
1259 | break; |
1260 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
1261 | bits = ~(u64)0; | |
1262 | break; | |
58d3a4ce IR |
1263 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: |
1264 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
1265 | case PARSE_EVENTS__TERM_TYPE_CONFIG3: | |
1266 | case PARSE_EVENTS__TERM_TYPE_NAME: | |
1267 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
1268 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: | |
1269 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
1270 | case PARSE_EVENTS__TERM_TYPE_TIME: | |
1271 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: | |
1272 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: | |
1273 | case PARSE_EVENTS__TERM_TYPE_NOINHERIT: | |
1274 | case PARSE_EVENTS__TERM_TYPE_INHERIT: | |
1275 | case PARSE_EVENTS__TERM_TYPE_MAX_STACK: | |
1276 | case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS: | |
1277 | case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: | |
1278 | case PARSE_EVENTS__TERM_TYPE_OVERWRITE: | |
1279 | case PARSE_EVENTS__TERM_TYPE_DRV_CFG: | |
1280 | case PARSE_EVENTS__TERM_TYPE_PERCORE: | |
1281 | case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: | |
1282 | case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE: | |
1283 | case PARSE_EVENTS__TERM_TYPE_METRIC_ID: | |
1284 | case PARSE_EVENTS__TERM_TYPE_RAW: | |
1285 | case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE: | |
1286 | case PARSE_EVENTS__TERM_TYPE_HARDWARE: | |
a1ac7de6 AH |
1287 | default: |
1288 | break; | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | if (bits) | |
05e54e23 | 1293 | ADD_CONFIG_TERM_VAL(CFG_CHG, cfg_chg, bits, false); |
a1ac7de6 AH |
1294 | |
1295 | #undef ADD_CONFIG_TERM | |
930a2e29 JO |
1296 | return 0; |
1297 | } | |
1298 | ||
11a42964 DM |
1299 | int parse_events_add_tracepoint(struct parse_events_state *parse_state, |
1300 | struct list_head *list, | |
8c619d6a | 1301 | const char *sys, const char *event, |
272ed29a | 1302 | struct parse_events_error *err, |
0d3f0e6f | 1303 | struct parse_events_terms *head_config, void *loc_) |
e637d177 | 1304 | { |
d81fa63b | 1305 | YYLTYPE *loc = loc_; |
378ef0f5 | 1306 | #ifdef HAVE_LIBTRACEEVENT |
e637d177 HK |
1307 | if (head_config) { |
1308 | struct perf_event_attr attr; | |
1309 | ||
272ed29a | 1310 | if (config_attr(&attr, head_config, err, |
e637d177 HK |
1311 | config_term_tracepoint)) |
1312 | return -EINVAL; | |
1313 | } | |
1314 | ||
1315 | if (strpbrk(sys, "*?")) | |
11a42964 | 1316 | return add_tracepoint_multi_sys(parse_state, list, sys, event, |
d81fa63b | 1317 | err, head_config, loc); |
e637d177 | 1318 | else |
11a42964 | 1319 | return add_tracepoint_event(parse_state, list, sys, event, |
d81fa63b | 1320 | err, head_config, loc); |
378ef0f5 | 1321 | #else |
11a42964 | 1322 | (void)parse_state; |
378ef0f5 | 1323 | (void)list; |
378ef0f5 IR |
1324 | (void)sys; |
1325 | (void)event; | |
1326 | (void)head_config; | |
d81fa63b | 1327 | parse_events_error__handle(err, loc->first_column, strdup("unsupported tracepoint"), |
378ef0f5 IR |
1328 | strdup("libtraceevent is necessary for tracepoint support")); |
1329 | return -1; | |
1330 | #endif | |
e637d177 HK |
1331 | } |
1332 | ||
8bc75f69 IR |
1333 | static int __parse_events_add_numeric(struct parse_events_state *parse_state, |
1334 | struct list_head *list, | |
251aa040 | 1335 | struct perf_pmu *pmu, u32 type, u32 extended_type, |
5ccc4edf | 1336 | u64 config, const struct parse_events_terms *head_config) |
8ad8db37 | 1337 | { |
89812fc8 | 1338 | struct perf_event_attr attr; |
930a2e29 | 1339 | LIST_HEAD(config_terms); |
2b62b3a6 | 1340 | const char *name, *metric_id; |
9cbfa2f6 | 1341 | int ret; |
61c45981 | 1342 | |
89812fc8 JO |
1343 | memset(&attr, 0, sizeof(attr)); |
1344 | attr.type = type; | |
1345 | attr.config = config; | |
251aa040 IR |
1346 | if (extended_type && (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE)) { |
1347 | assert(perf_pmus__supports_extended_type()); | |
1348 | attr.config |= (u64)extended_type << PERF_PMU_TYPE_SHIFT; | |
240de691 | 1349 | } |
8f707d84 | 1350 | |
930a2e29 | 1351 | if (head_config) { |
5d9cdc11 | 1352 | if (config_attr(&attr, head_config, parse_state->error, |
0b8891a8 | 1353 | config_term_common)) |
930a2e29 JO |
1354 | return -EINVAL; |
1355 | ||
1356 | if (get_config_terms(head_config, &config_terms)) | |
1357 | return -ENOMEM; | |
1358 | } | |
8f707d84 | 1359 | |
2b62b3a6 IR |
1360 | name = get_config_name(head_config); |
1361 | metric_id = get_config_metric_id(head_config); | |
8bc75f69 IR |
1362 | ret = __add_event(list, &parse_state->idx, &attr, /*init_attr*/true, name, |
1363 | metric_id, pmu, &config_terms, /*auto_merge_stats=*/false, | |
1364 | /*cpu_list=*/NULL) ? 0 : -ENOMEM; | |
99fc5941 AH |
1365 | free_config_terms(&config_terms); |
1366 | return ret; | |
61c45981 | 1367 | } |
8ad8db37 | 1368 | |
8bc75f69 IR |
1369 | int parse_events_add_numeric(struct parse_events_state *parse_state, |
1370 | struct list_head *list, | |
1371 | u32 type, u64 config, | |
5ccc4edf | 1372 | const struct parse_events_terms *head_config, |
8bc75f69 IR |
1373 | bool wildcard) |
1374 | { | |
1375 | struct perf_pmu *pmu = NULL; | |
1376 | bool found_supported = false; | |
1377 | ||
9d6a1df9 | 1378 | /* Wildcards on numeric values are only supported by core PMUs. */ |
251aa040 IR |
1379 | if (wildcard && perf_pmus__supports_extended_type()) { |
1380 | while ((pmu = perf_pmus__scan_core(pmu)) != NULL) { | |
1381 | int ret; | |
8bc75f69 | 1382 | |
251aa040 IR |
1383 | found_supported = true; |
1384 | if (parse_events__filter_pmu(parse_state, pmu)) | |
1385 | continue; | |
411ad22e | 1386 | |
251aa040 IR |
1387 | ret = __parse_events_add_numeric(parse_state, list, pmu, |
1388 | type, pmu->type, | |
1389 | config, head_config); | |
1390 | if (ret) | |
1391 | return ret; | |
1392 | } | |
1393 | if (found_supported) | |
1394 | return 0; | |
8bc75f69 | 1395 | } |
251aa040 IR |
1396 | return __parse_events_add_numeric(parse_state, list, perf_pmus__find_by_type(type), |
1397 | type, /*extended_type=*/0, config, head_config); | |
8bc75f69 IR |
1398 | } |
1399 | ||
f0fbb114 AK |
1400 | int parse_events_add_tool(struct parse_events_state *parse_state, |
1401 | struct list_head *list, | |
8228e936 | 1402 | int tool_event) |
f0fbb114 AK |
1403 | { |
1404 | return add_event_tool(list, &parse_state->idx, tool_event); | |
1405 | } | |
1406 | ||
064b4e82 JY |
1407 | static bool config_term_percore(struct list_head *config_terms) |
1408 | { | |
35ac0cad | 1409 | struct evsel_config_term *term; |
064b4e82 JY |
1410 | |
1411 | list_for_each_entry(term, config_terms, list) { | |
35ac0cad | 1412 | if (term->type == EVSEL__CONFIG_TERM_PERCORE) |
064b4e82 JY |
1413 | return term->val.percore; |
1414 | } | |
1415 | ||
1416 | return false; | |
1417 | } | |
1418 | ||
8b734eaa | 1419 | static int parse_events_add_pmu(struct parse_events_state *parse_state, |
63dfcde9 IR |
1420 | struct list_head *list, struct perf_pmu *pmu, |
1421 | const struct parse_events_terms *const_parsed_terms, | |
1422 | bool auto_merge_stats) | |
5f537a26 JO |
1423 | { |
1424 | struct perf_event_attr attr; | |
46441bdc | 1425 | struct perf_pmu_info info; |
32dcd021 | 1426 | struct evsel *evsel; |
333b5665 | 1427 | struct parse_events_error *err = parse_state->error; |
930a2e29 | 1428 | LIST_HEAD(config_terms); |
0d3f0e6f | 1429 | struct parse_events_terms parsed_terms; |
a24d9d9d | 1430 | bool alias_rewrote_terms = false; |
5f537a26 | 1431 | |
7a6e9164 IR |
1432 | if (verbose > 1) { |
1433 | struct strbuf sb; | |
1434 | ||
1435 | strbuf_init(&sb, /*hint=*/ 0); | |
90b2c210 IR |
1436 | if (pmu->selectable && const_parsed_terms && |
1437 | list_empty(&const_parsed_terms->terms)) { | |
63dfcde9 | 1438 | strbuf_addf(&sb, "%s//", pmu->name); |
7a6e9164 | 1439 | } else { |
63dfcde9 | 1440 | strbuf_addf(&sb, "%s/", pmu->name); |
90b2c210 | 1441 | parse_events_terms__to_strbuf(const_parsed_terms, &sb); |
7a6e9164 IR |
1442 | strbuf_addch(&sb, '/'); |
1443 | } | |
1444 | fprintf(stderr, "Attempt to add: %s\n", sb.buf); | |
1445 | strbuf_release(&sb); | |
1446 | } | |
5f537a26 | 1447 | |
0197da7a IR |
1448 | memset(&attr, 0, sizeof(attr)); |
1449 | if (pmu->perf_event_attr_init_default) | |
1450 | pmu->perf_event_attr_init_default(pmu, &attr); | |
1451 | ||
c9aeb2e9 | 1452 | attr.type = pmu->type; |
5f537a26 | 1453 | |
90b2c210 | 1454 | if (!const_parsed_terms || list_empty(&const_parsed_terms->terms)) { |
2b62b3a6 IR |
1455 | evsel = __add_event(list, &parse_state->idx, &attr, |
1456 | /*init_attr=*/true, /*name=*/NULL, | |
1457 | /*metric_id=*/NULL, pmu, | |
1458 | /*config_terms=*/NULL, auto_merge_stats, | |
1459 | /*cpu_list=*/NULL); | |
cae256ae | 1460 | return evsel ? 0 : -ENOMEM; |
ad962273 AH |
1461 | } |
1462 | ||
90b2c210 IR |
1463 | parse_events_terms__init(&parsed_terms); |
1464 | if (const_parsed_terms) { | |
1465 | int ret = parse_events_terms__copy(const_parsed_terms, &parsed_terms); | |
1466 | ||
1467 | if (ret) | |
1468 | return ret; | |
1469 | } | |
1470 | fix_raw(&parsed_terms, pmu); | |
1471 | ||
a24d9d9d IR |
1472 | /* Configure attr/terms with a known PMU, this will set hardcoded terms. */ |
1473 | if (config_attr(&attr, &parsed_terms, parse_state->error, config_term_pmu)) { | |
1474 | parse_events_terms__exit(&parsed_terms); | |
1475 | return -EINVAL; | |
1476 | } | |
1477 | ||
1478 | /* Look for event names in the terms and rewrite into format based terms. */ | |
1479 | if (!parse_state->fake_pmu && perf_pmu__check_alias(pmu, &parsed_terms, | |
1480 | &info, &alias_rewrote_terms, err)) { | |
0d3f0e6f | 1481 | parse_events_terms__exit(&parsed_terms); |
a6146d50 | 1482 | return -EINVAL; |
727adeed | 1483 | } |
a6146d50 | 1484 | |
4ac22b48 | 1485 | if (verbose > 1) { |
7a6e9164 | 1486 | struct strbuf sb; |
4ac22b48 | 1487 | |
7a6e9164 | 1488 | strbuf_init(&sb, /*hint=*/ 0); |
0d3f0e6f | 1489 | parse_events_terms__to_strbuf(&parsed_terms, &sb); |
63dfcde9 | 1490 | fprintf(stderr, "..after resolving event: %s/%s/\n", pmu->name, sb.buf); |
7a6e9164 | 1491 | strbuf_release(&sb); |
4ac22b48 IR |
1492 | } |
1493 | ||
a24d9d9d IR |
1494 | /* Configure attr/terms again if an alias was expanded. */ |
1495 | if (alias_rewrote_terms && | |
1496 | config_attr(&attr, &parsed_terms, parse_state->error, config_term_pmu)) { | |
0d3f0e6f | 1497 | parse_events_terms__exit(&parsed_terms); |
c056ba6a | 1498 | return -EINVAL; |
727adeed | 1499 | } |
5f537a26 | 1500 | |
0d3f0e6f IR |
1501 | if (get_config_terms(&parsed_terms, &config_terms)) { |
1502 | parse_events_terms__exit(&parsed_terms); | |
930a2e29 | 1503 | return -ENOMEM; |
727adeed | 1504 | } |
930a2e29 | 1505 | |
a1ac7de6 AH |
1506 | /* |
1507 | * When using default config, record which bits of attr->config were | |
1508 | * changed by the user. | |
1509 | */ | |
0197da7a IR |
1510 | if (pmu->perf_event_attr_init_default && |
1511 | get_config_chgs(pmu, &parsed_terms, &config_terms)) { | |
0d3f0e6f | 1512 | parse_events_terms__exit(&parsed_terms); |
a1ac7de6 | 1513 | return -ENOMEM; |
727adeed | 1514 | } |
a1ac7de6 | 1515 | |
727adeed | 1516 | if (!parse_state->fake_pmu && |
0d3f0e6f | 1517 | perf_pmu__config(pmu, &attr, &parsed_terms, parse_state->error)) { |
a7d212fc | 1518 | free_config_terms(&config_terms); |
0d3f0e6f | 1519 | parse_events_terms__exit(&parsed_terms); |
5f537a26 | 1520 | return -EINVAL; |
38f2c422 | 1521 | } |
5f537a26 | 1522 | |
2b62b3a6 | 1523 | evsel = __add_event(list, &parse_state->idx, &attr, /*init_attr=*/true, |
0d3f0e6f IR |
1524 | get_config_name(&parsed_terms), |
1525 | get_config_metric_id(&parsed_terms), pmu, | |
2b62b3a6 | 1526 | &config_terms, auto_merge_stats, /*cpu_list=*/NULL); |
727adeed | 1527 | if (!evsel) { |
0d3f0e6f | 1528 | parse_events_terms__exit(&parsed_terms); |
33321a06 | 1529 | return -ENOMEM; |
727adeed | 1530 | } |
33321a06 | 1531 | |
12279429 JY |
1532 | if (evsel->name) |
1533 | evsel->use_config_name = true; | |
1534 | ||
33321a06 | 1535 | evsel->percore = config_term_percore(&evsel->config_terms); |
410136f5 | 1536 | |
727adeed | 1537 | if (parse_state->fake_pmu) { |
0d3f0e6f | 1538 | parse_events_terms__exit(&parsed_terms); |
33321a06 | 1539 | return 0; |
727adeed | 1540 | } |
33321a06 | 1541 | |
0d3f0e6f | 1542 | parse_events_terms__exit(&parsed_terms); |
b194c9cd IR |
1543 | free((char *)evsel->unit); |
1544 | evsel->unit = strdup(info.unit); | |
33321a06 IR |
1545 | evsel->scale = info.scale; |
1546 | evsel->per_pkg = info.per_pkg; | |
1547 | evsel->snapshot = info.snapshot; | |
33321a06 | 1548 | return 0; |
5f537a26 JO |
1549 | } |
1550 | ||
5d9cdc11 | 1551 | int parse_events_multi_pmu_add(struct parse_events_state *parse_state, |
4f1b0673 | 1552 | const char *event_name, |
0d3f0e6f | 1553 | const struct parse_events_terms *const_parsed_terms, |
81a4e31f | 1554 | struct list_head **listp, void *loc_) |
2073ad33 | 1555 | { |
2073ad33 | 1556 | struct parse_events_term *term; |
fb081153 | 1557 | struct list_head *list = NULL; |
2073ad33 | 1558 | struct perf_pmu *pmu = NULL; |
81a4e31f | 1559 | YYLTYPE *loc = loc_; |
4f1b0673 ACM |
1560 | int ok = 0; |
1561 | const char *config; | |
0d3f0e6f | 1562 | struct parse_events_terms parsed_terms; |
2073ad33 AK |
1563 | |
1564 | *listp = NULL; | |
fb081153 | 1565 | |
0d3f0e6f IR |
1566 | parse_events_terms__init(&parsed_terms); |
1567 | if (const_parsed_terms) { | |
1568 | int ret = parse_events_terms__copy(const_parsed_terms, &parsed_terms); | |
fb081153 | 1569 | |
727adeed IR |
1570 | if (ret) |
1571 | return ret; | |
fb081153 | 1572 | } |
8f91662e | 1573 | |
4f1b0673 ACM |
1574 | config = strdup(event_name); |
1575 | if (!config) | |
fb081153 IR |
1576 | goto out_err; |
1577 | ||
1578 | if (parse_events_term__num(&term, | |
1579 | PARSE_EVENTS__TERM_TYPE_USER, | |
4f1b0673 | 1580 | config, /*num=*/1, /*novalue=*/true, |
64199ae4 | 1581 | loc, /*loc_val=*/NULL) < 0) { |
4f1b0673 | 1582 | zfree(&config); |
fb081153 IR |
1583 | goto out_err; |
1584 | } | |
0d3f0e6f | 1585 | list_add_tail(&term->list, &parsed_terms.terms); |
fb081153 | 1586 | |
2073ad33 AK |
1587 | /* Add it for all PMUs that support the alias */ |
1588 | list = malloc(sizeof(struct list_head)); | |
1589 | if (!list) | |
fb081153 IR |
1590 | goto out_err; |
1591 | ||
2073ad33 | 1592 | INIT_LIST_HEAD(list); |
fb081153 | 1593 | |
1eaf496e | 1594 | while ((pmu = perf_pmus__scan(pmu)) != NULL) { |
52c7b4d3 | 1595 | bool auto_merge_stats; |
2073ad33 | 1596 | |
411ad22e IR |
1597 | if (parse_events__filter_pmu(parse_state, pmu)) |
1598 | continue; | |
1599 | ||
8f91662e | 1600 | if (!perf_pmu__have_event(pmu, event_name)) |
c3245d20 | 1601 | continue; |
52c7b4d3 | 1602 | |
c3245d20 | 1603 | auto_merge_stats = perf_pmu__auto_merge_stats(pmu); |
63dfcde9 IR |
1604 | if (!parse_events_add_pmu(parse_state, list, pmu, |
1605 | &parsed_terms, auto_merge_stats)) { | |
7a6e9164 IR |
1606 | struct strbuf sb; |
1607 | ||
1608 | strbuf_init(&sb, /*hint=*/ 0); | |
0d3f0e6f | 1609 | parse_events_terms__to_strbuf(&parsed_terms, &sb); |
8f91662e | 1610 | pr_debug("%s -> %s/%s/\n", event_name, pmu->name, sb.buf); |
7a6e9164 | 1611 | strbuf_release(&sb); |
c3245d20 | 1612 | ok++; |
2073ad33 AK |
1613 | } |
1614 | } | |
b4a7276c JG |
1615 | |
1616 | if (parse_state->fake_pmu) { | |
63dfcde9 IR |
1617 | if (!parse_events_add_pmu(parse_state, list, parse_state->fake_pmu, &parsed_terms, |
1618 | /*auto_merge_stats=*/true)) { | |
7a6e9164 IR |
1619 | struct strbuf sb; |
1620 | ||
1621 | strbuf_init(&sb, /*hint=*/ 0); | |
0d3f0e6f | 1622 | parse_events_terms__to_strbuf(&parsed_terms, &sb); |
8f91662e | 1623 | pr_debug("%s -> %s/%s/\n", event_name, "fake_pmu", sb.buf); |
7a6e9164 | 1624 | strbuf_release(&sb); |
b4a7276c JG |
1625 | ok++; |
1626 | } | |
1627 | } | |
1628 | ||
fb081153 | 1629 | out_err: |
0d3f0e6f | 1630 | parse_events_terms__exit(&parsed_terms); |
fb081153 IR |
1631 | if (ok) |
1632 | *listp = list; | |
1633 | else | |
b6645a72 | 1634 | free(list); |
fb081153 | 1635 | |
fb081153 | 1636 | return ok ? 0 : -1; |
2073ad33 AK |
1637 | } |
1638 | ||
8b734eaa IR |
1639 | int parse_events_multi_pmu_add_or_add_pmu(struct parse_events_state *parse_state, |
1640 | const char *event_or_pmu, | |
1641 | const struct parse_events_terms *const_parsed_terms, | |
1642 | struct list_head **listp, | |
1643 | void *loc_) | |
1644 | { | |
8b734eaa | 1645 | YYLTYPE *loc = loc_; |
63dfcde9 | 1646 | struct perf_pmu *pmu; |
8b734eaa IR |
1647 | int ok = 0; |
1648 | char *help; | |
1649 | ||
1650 | *listp = malloc(sizeof(**listp)); | |
1651 | if (!*listp) | |
1652 | return -ENOMEM; | |
1653 | ||
1654 | INIT_LIST_HEAD(*listp); | |
1655 | ||
1656 | /* Attempt to add to list assuming event_or_pmu is a PMU name. */ | |
63dfcde9 IR |
1657 | pmu = parse_state->fake_pmu ?: perf_pmus__find(event_or_pmu); |
1658 | if (pmu && !parse_events_add_pmu(parse_state, *listp, pmu, const_parsed_terms, | |
1659 | /*auto_merge_stats=*/false)) | |
8b734eaa IR |
1660 | return 0; |
1661 | ||
63dfcde9 | 1662 | pmu = NULL; |
8b734eaa | 1663 | /* Failed to add, try wildcard expansion of event_or_pmu as a PMU name. */ |
8b734eaa | 1664 | while ((pmu = perf_pmus__scan(pmu)) != NULL) { |
f91fa2ae IR |
1665 | if (!parse_events__filter_pmu(parse_state, pmu) && |
1666 | perf_pmu__match(pmu, event_or_pmu)) { | |
8b734eaa IR |
1667 | bool auto_merge_stats = perf_pmu__auto_merge_stats(pmu); |
1668 | ||
63dfcde9 | 1669 | if (!parse_events_add_pmu(parse_state, *listp, pmu, |
8b734eaa | 1670 | const_parsed_terms, |
63dfcde9 | 1671 | auto_merge_stats)) { |
8b734eaa IR |
1672 | ok++; |
1673 | parse_state->wild_card_pmus = true; | |
1674 | } | |
1675 | } | |
1676 | } | |
8b734eaa IR |
1677 | if (ok) |
1678 | return 0; | |
1679 | ||
1680 | /* Failure to add, assume event_or_pmu is an event name. */ | |
1681 | zfree(listp); | |
4f1b0673 | 1682 | if (!parse_events_multi_pmu_add(parse_state, event_or_pmu, const_parsed_terms, listp, loc)) |
8b734eaa IR |
1683 | return 0; |
1684 | ||
1685 | if (asprintf(&help, "Unable to find PMU or event on a PMU of '%s'", event_or_pmu) < 0) | |
1686 | help = NULL; | |
1687 | parse_events_error__handle(parse_state->error, loc->first_column, | |
1688 | strdup("Bad event or PMU"), | |
1689 | help); | |
1690 | zfree(listp); | |
1691 | return -EINVAL; | |
1692 | } | |
1693 | ||
347c2f0a | 1694 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c | 1695 | { |
32dcd021 | 1696 | struct evsel *leader; |
6a4bb04c | 1697 | |
854f7363 WN |
1698 | if (list_empty(list)) { |
1699 | WARN_ONCE(true, "WARNING: failed to set leader: empty list"); | |
1700 | return; | |
1701 | } | |
1702 | ||
347c2f0a | 1703 | leader = list_first_entry(list, struct evsel, core.node); |
ecdcf630 | 1704 | __perf_evlist__set_leader(list, &leader->core); |
afd876bb | 1705 | zfree(&leader->group_name); |
4bb311b2 | 1706 | leader->group_name = name; |
89efb029 JO |
1707 | } |
1708 | ||
e30a7912 IR |
1709 | static int parse_events__modifier_list(struct parse_events_state *parse_state, |
1710 | YYLTYPE *loc, | |
1711 | struct list_head *list, | |
1712 | struct parse_events_modifier mod, | |
1713 | bool group) | |
61c45981 | 1714 | { |
e30a7912 IR |
1715 | struct evsel *evsel; |
1716 | ||
1717 | if (!group && mod.weak) { | |
1718 | parse_events_error__handle(parse_state->error, loc->first_column, | |
1719 | strdup("Weak modifier is for use with groups"), NULL); | |
1720 | return -EINVAL; | |
1721 | } | |
1722 | ||
1723 | __evlist__for_each_entry(list, evsel) { | |
1724 | /* Translate modifiers into the equivalent evsel excludes. */ | |
1725 | int eu = group ? evsel->core.attr.exclude_user : 0; | |
1726 | int ek = group ? evsel->core.attr.exclude_kernel : 0; | |
1727 | int eh = group ? evsel->core.attr.exclude_hv : 0; | |
1728 | int eH = group ? evsel->core.attr.exclude_host : 0; | |
1729 | int eG = group ? evsel->core.attr.exclude_guest : 0; | |
1730 | int exclude = eu | ek | eh; | |
1731 | int exclude_GH = group ? evsel->exclude_GH : 0; | |
1732 | ||
1733 | if (mod.precise) { | |
1734 | /* use of precise requires exclude_guest */ | |
1735 | eG = 1; | |
1736 | } | |
1737 | if (mod.user) { | |
ab608344 PZ |
1738 | if (!exclude) |
1739 | exclude = eu = ek = eh = 1; | |
943b69ac JY |
1740 | if (!exclude_GH && !perf_guest) |
1741 | eG = 1; | |
61c45981 | 1742 | eu = 0; |
e30a7912 IR |
1743 | } |
1744 | if (mod.kernel) { | |
ab608344 PZ |
1745 | if (!exclude) |
1746 | exclude = eu = ek = eh = 1; | |
61c45981 | 1747 | ek = 0; |
e30a7912 IR |
1748 | } |
1749 | if (mod.hypervisor) { | |
ab608344 PZ |
1750 | if (!exclude) |
1751 | exclude = eu = ek = eh = 1; | |
61c45981 | 1752 | eh = 0; |
e30a7912 IR |
1753 | } |
1754 | if (mod.guest) { | |
99320cc8 JR |
1755 | if (!exclude_GH) |
1756 | exclude_GH = eG = eH = 1; | |
1757 | eG = 0; | |
e30a7912 IR |
1758 | } |
1759 | if (mod.host) { | |
99320cc8 JR |
1760 | if (!exclude_GH) |
1761 | exclude_GH = eG = eH = 1; | |
1762 | eH = 0; | |
e30a7912 IR |
1763 | } |
1764 | evsel->core.attr.exclude_user = eu; | |
1765 | evsel->core.attr.exclude_kernel = ek; | |
1766 | evsel->core.attr.exclude_hv = eh; | |
1767 | evsel->core.attr.exclude_host = eH; | |
1768 | evsel->core.attr.exclude_guest = eG; | |
1769 | evsel->exclude_GH = exclude_GH; | |
1770 | ||
1771 | /* Simple modifiers copied to the evsel. */ | |
1772 | if (mod.precise) { | |
1773 | u8 precise = evsel->core.attr.precise_ip + mod.precise; | |
1774 | /* | |
1775 | * precise ip: | |
1776 | * | |
1777 | * 0 - SAMPLE_IP can have arbitrary skid | |
1778 | * 1 - SAMPLE_IP must have constant skid | |
1779 | * 2 - SAMPLE_IP requested to have 0 skid | |
1780 | * 3 - SAMPLE_IP must have 0 skid | |
1781 | * | |
1782 | * See also PERF_RECORD_MISC_EXACT_IP | |
1783 | */ | |
1784 | if (precise > 3) { | |
1785 | char *help; | |
1786 | ||
1787 | if (asprintf(&help, | |
1788 | "Maximum combined precise value is 3, adding precision to \"%s\"", | |
1789 | evsel__name(evsel)) > 0) { | |
1790 | parse_events_error__handle(parse_state->error, | |
1791 | loc->first_column, | |
1792 | help, NULL); | |
1793 | } | |
1794 | return -EINVAL; | |
1795 | } | |
1796 | evsel->core.attr.precise_ip = precise; | |
1797 | } | |
1798 | if (mod.precise_max) | |
1799 | evsel->precise_max = 1; | |
1800 | if (mod.non_idle) | |
1801 | evsel->core.attr.exclude_idle = 1; | |
1802 | if (mod.sample_read) | |
1803 | evsel->sample_read = 1; | |
1804 | if (mod.pinned && evsel__is_group_leader(evsel)) | |
1805 | evsel->core.attr.pinned = 1; | |
1806 | if (mod.exclusive && evsel__is_group_leader(evsel)) | |
1807 | evsel->core.attr.exclusive = 1; | |
1808 | if (mod.weak) | |
1809 | evsel->weak_group = true; | |
1810 | if (mod.bpf) | |
1811 | evsel->bpf_counter = true; | |
5242519b | 1812 | } |
f5b1135b JO |
1813 | return 0; |
1814 | } | |
1815 | ||
e30a7912 IR |
1816 | int parse_events__modifier_group(struct parse_events_state *parse_state, void *loc, |
1817 | struct list_head *list, | |
1818 | struct parse_events_modifier mod) | |
534123f4 | 1819 | { |
e30a7912 | 1820 | return parse_events__modifier_list(parse_state, loc, list, mod, /*group=*/true); |
534123f4 JO |
1821 | } |
1822 | ||
e30a7912 IR |
1823 | int parse_events__modifier_event(struct parse_events_state *parse_state, void *loc, |
1824 | struct list_head *list, | |
1825 | struct parse_events_modifier mod) | |
f5b1135b | 1826 | { |
e30a7912 | 1827 | return parse_events__modifier_list(parse_state, loc, list, mod, /*group=*/false); |
61c45981 | 1828 | } |
8ad8db37 | 1829 | |
bb65ff78 | 1830 | int parse_events__set_default_name(struct list_head *list, char *name) |
ac2ba9f3 | 1831 | { |
32dcd021 | 1832 | struct evsel *evsel; |
bb65ff78 | 1833 | bool used_name = false; |
ac2ba9f3 | 1834 | |
e5cadb93 | 1835 | __evlist__for_each_entry(list, evsel) { |
9462e4de | 1836 | if (!evsel->name) { |
bb65ff78 IR |
1837 | evsel->name = used_name ? strdup(name) : name; |
1838 | used_name = true; | |
9462e4de IR |
1839 | if (!evsel->name) |
1840 | return -ENOMEM; | |
1841 | } | |
ac2ba9f3 | 1842 | } |
bb65ff78 IR |
1843 | if (!used_name) |
1844 | free(name); | |
ac2ba9f3 RR |
1845 | return 0; |
1846 | } | |
1847 | ||
1244a327 | 1848 | static int parse_events__scanner(const char *str, |
edb217ff | 1849 | FILE *input, |
1244a327 | 1850 | struct parse_events_state *parse_state) |
61c45981 | 1851 | { |
89812fc8 | 1852 | YY_BUFFER_STATE buffer; |
ac20de6f | 1853 | void *scanner; |
46010ab2 | 1854 | int ret; |
bcd3279f | 1855 | |
1244a327 | 1856 | ret = parse_events_lex_init_extra(parse_state, &scanner); |
ac20de6f ZY |
1857 | if (ret) |
1858 | return ret; | |
1859 | ||
edb217ff IR |
1860 | if (str) |
1861 | buffer = parse_events__scan_string(str, scanner); | |
1862 | else | |
1863 | parse_events_set_in(input, scanner); | |
a21ca2ca | 1864 | |
82ba1f2f JO |
1865 | #ifdef PARSER_DEBUG |
1866 | parse_events_debug = 1; | |
ae762641 | 1867 | parse_events_set_debug(1, scanner); |
82ba1f2f | 1868 | #endif |
5d9cdc11 | 1869 | ret = parse_events_parse(parse_state, scanner); |
ac20de6f | 1870 | |
edb217ff IR |
1871 | if (str) { |
1872 | parse_events__flush_buffer(buffer, scanner); | |
1873 | parse_events__delete_buffer(buffer, scanner); | |
1874 | } | |
ac20de6f ZY |
1875 | parse_events_lex_destroy(scanner); |
1876 | return ret; | |
1877 | } | |
bcd3279f | 1878 | |
90e2b22d JO |
1879 | /* |
1880 | * parse event config string, return a list of event terms. | |
1881 | */ | |
0d3f0e6f | 1882 | int parse_events_terms(struct parse_events_terms *terms, const char *str, FILE *input) |
90e2b22d | 1883 | { |
5d9cdc11 | 1884 | struct parse_events_state parse_state = { |
1244a327 JO |
1885 | .terms = NULL, |
1886 | .stoken = PE_START_TERMS, | |
90e2b22d JO |
1887 | }; |
1888 | int ret; | |
1889 | ||
edb217ff | 1890 | ret = parse_events__scanner(str, input, &parse_state); |
0d3f0e6f IR |
1891 | if (!ret) |
1892 | list_splice(&parse_state.terms->terms, &terms->terms); | |
4929e95a | 1893 | |
0d3f0e6f | 1894 | zfree(&parse_state.terms); |
90e2b22d JO |
1895 | return ret; |
1896 | } | |
1897 | ||
a90cc5a9 IR |
1898 | static int evsel__compute_group_pmu_name(struct evsel *evsel, |
1899 | const struct list_head *head) | |
1900 | { | |
1901 | struct evsel *leader = evsel__leader(evsel); | |
1902 | struct evsel *pos; | |
251aa040 IR |
1903 | const char *group_pmu_name; |
1904 | struct perf_pmu *pmu = evsel__find_pmu(evsel); | |
a90cc5a9 | 1905 | |
251aa040 IR |
1906 | if (!pmu) { |
1907 | /* | |
1908 | * For PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE types the PMU | |
1909 | * is a core PMU, but in heterogeneous systems this is | |
1910 | * unknown. For now pick the first core PMU. | |
1911 | */ | |
1912 | pmu = perf_pmus__scan_core(NULL); | |
1913 | } | |
1914 | if (!pmu) { | |
bc06026d | 1915 | pr_debug("No PMU found for '%s'\n", evsel__name(evsel)); |
251aa040 IR |
1916 | return -EINVAL; |
1917 | } | |
1918 | group_pmu_name = pmu->name; | |
a90cc5a9 IR |
1919 | /* |
1920 | * Software events may be in a group with other uncore PMU events. Use | |
1921 | * the pmu_name of the first non-software event to avoid breaking the | |
1922 | * software event out of the group. | |
1923 | * | |
1924 | * Aux event leaders, like intel_pt, expect a group with events from | |
1925 | * other PMUs, so substitute the AUX event's PMU in this case. | |
1926 | */ | |
251aa040 IR |
1927 | if (perf_pmu__is_software(pmu) || evsel__is_aux_event(leader)) { |
1928 | struct perf_pmu *leader_pmu = evsel__find_pmu(leader); | |
1929 | ||
1930 | if (!leader_pmu) { | |
1931 | /* As with determining pmu above. */ | |
1932 | leader_pmu = perf_pmus__scan_core(NULL); | |
1933 | } | |
a90cc5a9 IR |
1934 | /* |
1935 | * Starting with the leader, find the first event with a named | |
251aa040 IR |
1936 | * non-software PMU. for_each_group_(member|evsel) isn't used as |
1937 | * the list isn't yet sorted putting evsel's in the same group | |
1938 | * together. | |
a90cc5a9 | 1939 | */ |
251aa040 IR |
1940 | if (leader_pmu && !perf_pmu__is_software(leader_pmu)) { |
1941 | group_pmu_name = leader_pmu->name; | |
a90cc5a9 IR |
1942 | } else if (leader->core.nr_members > 1) { |
1943 | list_for_each_entry(pos, head, core.node) { | |
251aa040 IR |
1944 | struct perf_pmu *pos_pmu; |
1945 | ||
1946 | if (pos == leader || evsel__leader(pos) != leader) | |
1947 | continue; | |
1948 | pos_pmu = evsel__find_pmu(pos); | |
1949 | if (!pos_pmu) { | |
1950 | /* As with determining pmu above. */ | |
1951 | pos_pmu = perf_pmus__scan_core(NULL); | |
1952 | } | |
1953 | if (pos_pmu && !perf_pmu__is_software(pos_pmu)) { | |
1954 | group_pmu_name = pos_pmu->name; | |
a90cc5a9 IR |
1955 | break; |
1956 | } | |
1957 | } | |
1958 | } | |
1959 | } | |
251aa040 IR |
1960 | /* Assign the actual name taking care that the fake PMU lacks a name. */ |
1961 | evsel->group_pmu_name = strdup(group_pmu_name ?: "fake"); | |
a90cc5a9 IR |
1962 | return evsel->group_pmu_name ? 0 : -ENOMEM; |
1963 | } | |
1964 | ||
347c2f0a IR |
1965 | __weak int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs) |
1966 | { | |
1967 | /* Order by insertion index. */ | |
1968 | return lhs->core.idx - rhs->core.idx; | |
1969 | } | |
1970 | ||
b161f25f | 1971 | static int evlist__cmp(void *_fg_idx, const struct list_head *l, const struct list_head *r) |
347c2f0a IR |
1972 | { |
1973 | const struct perf_evsel *lhs_core = container_of(l, struct perf_evsel, node); | |
1974 | const struct evsel *lhs = container_of(lhs_core, struct evsel, core); | |
1975 | const struct perf_evsel *rhs_core = container_of(r, struct perf_evsel, node); | |
1976 | const struct evsel *rhs = container_of(rhs_core, struct evsel, core); | |
b161f25f IR |
1977 | int *force_grouped_idx = _fg_idx; |
1978 | int lhs_sort_idx, rhs_sort_idx, ret; | |
347c2f0a | 1979 | const char *lhs_pmu_name, *rhs_pmu_name; |
b161f25f | 1980 | bool lhs_has_group, rhs_has_group; |
347c2f0a IR |
1981 | |
1982 | /* | |
1983 | * First sort by grouping/leader. Read the leader idx only if the evsel | |
a90cc5a9 IR |
1984 | * is part of a group, by default ungrouped events will be sorted |
1985 | * relative to grouped events based on where the first ungrouped event | |
1986 | * occurs. If both events don't have a group we want to fall-through to | |
1987 | * the arch specific sorting, that can reorder and fix things like | |
1988 | * Intel's topdown events. | |
347c2f0a | 1989 | */ |
327daf34 IR |
1990 | if (lhs_core->leader != lhs_core || lhs_core->nr_members > 1) { |
1991 | lhs_has_group = true; | |
b161f25f IR |
1992 | lhs_sort_idx = lhs_core->leader->idx; |
1993 | } else { | |
1994 | lhs_has_group = false; | |
1995 | lhs_sort_idx = *force_grouped_idx != -1 && arch_evsel__must_be_in_group(lhs) | |
1996 | ? *force_grouped_idx | |
1997 | : lhs_core->idx; | |
327daf34 IR |
1998 | } |
1999 | if (rhs_core->leader != rhs_core || rhs_core->nr_members > 1) { | |
2000 | rhs_has_group = true; | |
b161f25f IR |
2001 | rhs_sort_idx = rhs_core->leader->idx; |
2002 | } else { | |
2003 | rhs_has_group = false; | |
2004 | rhs_sort_idx = *force_grouped_idx != -1 && arch_evsel__must_be_in_group(rhs) | |
2005 | ? *force_grouped_idx | |
2006 | : rhs_core->idx; | |
327daf34 | 2007 | } |
347c2f0a | 2008 | |
b161f25f IR |
2009 | if (lhs_sort_idx != rhs_sort_idx) |
2010 | return lhs_sort_idx - rhs_sort_idx; | |
347c2f0a | 2011 | |
327daf34 IR |
2012 | /* Group by PMU if there is a group. Groups can't span PMUs. */ |
2013 | if (lhs_has_group && rhs_has_group) { | |
a90cc5a9 IR |
2014 | lhs_pmu_name = lhs->group_pmu_name; |
2015 | rhs_pmu_name = rhs->group_pmu_name; | |
327daf34 IR |
2016 | ret = strcmp(lhs_pmu_name, rhs_pmu_name); |
2017 | if (ret) | |
2018 | return ret; | |
2019 | } | |
347c2f0a IR |
2020 | |
2021 | /* Architecture specific sorting. */ | |
2022 | return arch_evlist__cmp(lhs, rhs); | |
2023 | } | |
2024 | ||
a90cc5a9 | 2025 | static int parse_events__sort_events_and_fix_groups(struct list_head *list) |
347c2f0a | 2026 | { |
b161f25f | 2027 | int idx = 0, force_grouped_idx = -1; |
347c2f0a IR |
2028 | struct evsel *pos, *cur_leader = NULL; |
2029 | struct perf_evsel *cur_leaders_grp = NULL; | |
5c49b6c3 | 2030 | bool idx_changed = false, cur_leader_force_grouped = false; |
a4c7d7c5 | 2031 | int orig_num_leaders = 0, num_leaders = 0; |
a90cc5a9 | 2032 | int ret; |
347c2f0a IR |
2033 | |
2034 | /* | |
2035 | * Compute index to insert ungrouped events at. Place them where the | |
2036 | * first ungrouped event appears. | |
2037 | */ | |
2038 | list_for_each_entry(pos, list, core.node) { | |
2039 | const struct evsel *pos_leader = evsel__leader(pos); | |
2040 | ||
a90cc5a9 IR |
2041 | ret = evsel__compute_group_pmu_name(pos, list); |
2042 | if (ret) | |
2043 | return ret; | |
2044 | ||
a4c7d7c5 IR |
2045 | if (pos == pos_leader) |
2046 | orig_num_leaders++; | |
347c2f0a | 2047 | |
a4c7d7c5 IR |
2048 | /* |
2049 | * Ensure indexes are sequential, in particular for multiple | |
2050 | * event lists being merged. The indexes are used to detect when | |
2051 | * the user order is modified. | |
2052 | */ | |
2053 | pos->core.idx = idx++; | |
2054 | ||
b161f25f IR |
2055 | /* Remember an index to sort all forced grouped events together to. */ |
2056 | if (force_grouped_idx == -1 && pos == pos_leader && pos->core.nr_members < 2 && | |
2057 | arch_evsel__must_be_in_group(pos)) | |
2058 | force_grouped_idx = pos->core.idx; | |
347c2f0a IR |
2059 | } |
2060 | ||
2061 | /* Sort events. */ | |
b161f25f | 2062 | list_sort(&force_grouped_idx, list, evlist__cmp); |
347c2f0a IR |
2063 | |
2064 | /* | |
2065 | * Recompute groups, splitting for PMUs and adding groups for events | |
2066 | * that require them. | |
2067 | */ | |
2068 | idx = 0; | |
2069 | list_for_each_entry(pos, list, core.node) { | |
2070 | const struct evsel *pos_leader = evsel__leader(pos); | |
a90cc5a9 | 2071 | const char *pos_pmu_name = pos->group_pmu_name; |
e8d38345 | 2072 | const char *cur_leader_pmu_name; |
b161f25f IR |
2073 | bool pos_force_grouped = force_grouped_idx != -1 && |
2074 | arch_evsel__must_be_in_group(pos); | |
347c2f0a IR |
2075 | |
2076 | /* Reset index and nr_members. */ | |
a4c7d7c5 IR |
2077 | if (pos->core.idx != idx) |
2078 | idx_changed = true; | |
347c2f0a IR |
2079 | pos->core.idx = idx++; |
2080 | pos->core.nr_members = 0; | |
2081 | ||
2082 | /* | |
2083 | * Set the group leader respecting the given groupings and that | |
2084 | * groups can't span PMUs. | |
2085 | */ | |
2086 | if (!cur_leader) | |
2087 | cur_leader = pos; | |
2088 | ||
a90cc5a9 | 2089 | cur_leader_pmu_name = cur_leader->group_pmu_name; |
5c49b6c3 IR |
2090 | if ((cur_leaders_grp != pos->core.leader && |
2091 | (!pos_force_grouped || !cur_leader_force_grouped)) || | |
347c2f0a IR |
2092 | strcmp(cur_leader_pmu_name, pos_pmu_name)) { |
2093 | /* Event is for a different group/PMU than last. */ | |
2094 | cur_leader = pos; | |
2095 | /* | |
2096 | * Remember the leader's group before it is overwritten, | |
2097 | * so that later events match as being in the same | |
2098 | * group. | |
2099 | */ | |
2100 | cur_leaders_grp = pos->core.leader; | |
347c2f0a | 2101 | /* |
5c49b6c3 IR |
2102 | * Avoid forcing events into groups with events that |
2103 | * don't need to be in the group. | |
347c2f0a | 2104 | */ |
5c49b6c3 | 2105 | cur_leader_force_grouped = pos_force_grouped; |
347c2f0a | 2106 | } |
e8d38345 IR |
2107 | if (pos_leader != cur_leader) { |
2108 | /* The leader changed so update it. */ | |
347c2f0a IR |
2109 | evsel__set_leader(pos, cur_leader); |
2110 | } | |
2111 | } | |
2112 | list_for_each_entry(pos, list, core.node) { | |
a4c7d7c5 IR |
2113 | struct evsel *pos_leader = evsel__leader(pos); |
2114 | ||
2115 | if (pos == pos_leader) | |
2116 | num_leaders++; | |
2117 | pos_leader->core.nr_members++; | |
347c2f0a | 2118 | } |
a90cc5a9 | 2119 | return (idx_changed || num_leaders != orig_num_leaders) ? 1 : 0; |
347c2f0a IR |
2120 | } |
2121 | ||
411ad22e | 2122 | int __parse_events(struct evlist *evlist, const char *str, const char *pmu_filter, |
a4c7d7c5 | 2123 | struct parse_events_error *err, struct perf_pmu *fake_pmu, |
a2a6604e | 2124 | bool warn_if_reordered, bool fake_tp) |
ac20de6f | 2125 | { |
5d9cdc11 | 2126 | struct parse_events_state parse_state = { |
3bf91aa5 ACM |
2127 | .list = LIST_HEAD_INIT(parse_state.list), |
2128 | .idx = evlist->core.nr_entries, | |
2129 | .error = err, | |
3bf91aa5 ACM |
2130 | .stoken = PE_START_EVENTS, |
2131 | .fake_pmu = fake_pmu, | |
a2a6604e | 2132 | .fake_tp = fake_tp, |
411ad22e | 2133 | .pmu_filter = pmu_filter, |
6fd1e519 | 2134 | .match_legacy_cache_terms = true, |
ac20de6f | 2135 | }; |
a90cc5a9 | 2136 | int ret, ret2; |
bcd3279f | 2137 | |
edb217ff | 2138 | ret = parse_events__scanner(str, /*input=*/ NULL, &parse_state); |
8e8714c3 IR |
2139 | |
2140 | if (!ret && list_empty(&parse_state.list)) { | |
2141 | WARN_ONCE(true, "WARNING: event parser found nothing\n"); | |
2142 | return -1; | |
2143 | } | |
2144 | ||
a90cc5a9 IR |
2145 | ret2 = parse_events__sort_events_and_fix_groups(&parse_state.list); |
2146 | if (ret2 < 0) | |
2147 | return ret; | |
2148 | ||
2149 | if (ret2 && warn_if_reordered && !parse_state.wild_card_pmus) | |
a4c7d7c5 | 2150 | pr_warning("WARNING: events were regrouped to match PMUs\n"); |
347c2f0a | 2151 | |
8e8714c3 IR |
2152 | /* |
2153 | * Add list to the evlist even with errors to allow callers to clean up. | |
2154 | */ | |
e414fd1a | 2155 | evlist__splice_list_tail(evlist, &parse_state.list); |
8e8714c3 | 2156 | |
89812fc8 | 2157 | if (!ret) { |
32dcd021 | 2158 | struct evsel *last; |
15bfd2cc | 2159 | |
515dbe48 | 2160 | last = evlist__last(evlist); |
15bfd2cc WN |
2161 | last->cmdline_group_boundary = true; |
2162 | ||
89812fc8 JO |
2163 | return 0; |
2164 | } | |
bcd3279f | 2165 | |
5d7be90e JO |
2166 | /* |
2167 | * There are 2 users - builtin-record and builtin-test objects. | |
c12995a5 | 2168 | * Both call evlist__delete in case of error, so we dont |
5d7be90e JO |
2169 | * need to bother. |
2170 | */ | |
bcd3279f | 2171 | return ret; |
8ad8db37 IM |
2172 | } |
2173 | ||
806731a9 AH |
2174 | int parse_event(struct evlist *evlist, const char *str) |
2175 | { | |
2176 | struct parse_events_error err; | |
2177 | int ret; | |
2178 | ||
2179 | parse_events_error__init(&err); | |
2180 | ret = parse_events(evlist, str, &err); | |
2181 | parse_events_error__exit(&err); | |
2182 | return ret; | |
2183 | } | |
2184 | ||
fd7b8e8f IR |
2185 | struct parse_events_error_entry { |
2186 | /** @list: The list the error is part of. */ | |
2187 | struct list_head list; | |
2188 | /** @idx: index in the parsed string */ | |
2189 | int idx; | |
2190 | /** @str: string to display at the index */ | |
2191 | char *str; | |
2192 | /** @help: optional help string */ | |
2193 | char *help; | |
2194 | }; | |
2195 | ||
07eafd4e IR |
2196 | void parse_events_error__init(struct parse_events_error *err) |
2197 | { | |
fd7b8e8f | 2198 | INIT_LIST_HEAD(&err->list); |
07eafd4e IR |
2199 | } |
2200 | ||
2201 | void parse_events_error__exit(struct parse_events_error *err) | |
2202 | { | |
fd7b8e8f IR |
2203 | struct parse_events_error_entry *pos, *tmp; |
2204 | ||
2205 | list_for_each_entry_safe(pos, tmp, &err->list, list) { | |
2206 | zfree(&pos->str); | |
2207 | zfree(&pos->help); | |
2208 | list_del_init(&pos->list); | |
2209 | free(pos); | |
2210 | } | |
07eafd4e IR |
2211 | } |
2212 | ||
6c191289 IR |
2213 | void parse_events_error__handle(struct parse_events_error *err, int idx, |
2214 | char *str, char *help) | |
2215 | { | |
fd7b8e8f IR |
2216 | struct parse_events_error_entry *entry; |
2217 | ||
806731a9 | 2218 | if (WARN(!str || !err, "WARNING: failed to provide error string or struct\n")) |
2e828582 | 2219 | goto out_free; |
fd7b8e8f IR |
2220 | |
2221 | entry = zalloc(sizeof(*entry)); | |
2222 | if (!entry) { | |
2223 | pr_err("Failed to allocate memory for event parsing error: %s (%s)\n", | |
2224 | str, help ?: "<no help>"); | |
2225 | goto out_free; | |
6c191289 | 2226 | } |
fd7b8e8f IR |
2227 | entry->idx = idx; |
2228 | entry->str = str; | |
2229 | entry->help = help; | |
2230 | list_add(&entry->list, &err->list); | |
2e828582 | 2231 | return; |
2e828582 AH |
2232 | out_free: |
2233 | free(str); | |
2234 | free(help); | |
6c191289 IR |
2235 | } |
2236 | ||
b39b8393 JO |
2237 | #define MAX_WIDTH 1000 |
2238 | static int get_term_width(void) | |
2239 | { | |
2240 | struct winsize ws; | |
2241 | ||
2242 | get_term_dimensions(&ws); | |
2243 | return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; | |
2244 | } | |
2245 | ||
6c191289 IR |
2246 | static void __parse_events_error__print(int err_idx, const char *err_str, |
2247 | const char *err_help, const char *event) | |
b39b8393 JO |
2248 | { |
2249 | const char *str = "invalid or unsupported event: "; | |
2250 | char _buf[MAX_WIDTH]; | |
2251 | char *buf = (char *) event; | |
2252 | int idx = 0; | |
a910e466 | 2253 | if (err_str) { |
b39b8393 JO |
2254 | /* -2 for extra '' in the final fprintf */ |
2255 | int width = get_term_width() - 2; | |
2256 | int len_event = strlen(event); | |
2257 | int len_str, max_len, cut = 0; | |
2258 | ||
2259 | /* | |
2260 | * Maximum error index indent, we will cut | |
2261 | * the event string if it's bigger. | |
2262 | */ | |
141b2d31 | 2263 | int max_err_idx = 13; |
b39b8393 JO |
2264 | |
2265 | /* | |
2266 | * Let's be specific with the message when | |
2267 | * we have the precise error. | |
2268 | */ | |
2269 | str = "event syntax error: "; | |
2270 | len_str = strlen(str); | |
2271 | max_len = width - len_str; | |
2272 | ||
2273 | buf = _buf; | |
2274 | ||
bd1a0be5 | 2275 | /* We're cutting from the beginning. */ |
a910e466 IR |
2276 | if (err_idx > max_err_idx) |
2277 | cut = err_idx - max_err_idx; | |
b39b8393 JO |
2278 | |
2279 | strncpy(buf, event + cut, max_len); | |
2280 | ||
2281 | /* Mark cut parts with '..' on both sides. */ | |
2282 | if (cut) | |
2283 | buf[0] = buf[1] = '.'; | |
2284 | ||
2285 | if ((len_event - cut) > max_len) { | |
2286 | buf[max_len - 1] = buf[max_len - 2] = '.'; | |
2287 | buf[max_len] = 0; | |
2288 | } | |
2289 | ||
a910e466 | 2290 | idx = len_str + err_idx - cut; |
b39b8393 JO |
2291 | } |
2292 | ||
2293 | fprintf(stderr, "%s'%s'\n", str, buf); | |
2294 | if (idx) { | |
a910e466 IR |
2295 | fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err_str); |
2296 | if (err_help) | |
2297 | fprintf(stderr, "\n%s\n", err_help); | |
2298 | } | |
2299 | } | |
2300 | ||
fd7b8e8f | 2301 | void parse_events_error__print(const struct parse_events_error *err, |
6c191289 | 2302 | const char *event) |
a910e466 | 2303 | { |
fd7b8e8f IR |
2304 | struct parse_events_error_entry *pos; |
2305 | bool first = true; | |
2306 | ||
2307 | list_for_each_entry(pos, &err->list, list) { | |
2308 | if (!first) | |
2309 | fputs("\n", stderr); | |
2310 | __parse_events_error__print(pos->idx, pos->str, pos->help, event); | |
2311 | first = false; | |
2312 | } | |
2313 | } | |
a910e466 | 2314 | |
fd7b8e8f IR |
2315 | /* |
2316 | * In the list of errors err, do any of the error strings (str) contain the | |
2317 | * given needle string? | |
2318 | */ | |
2319 | bool parse_events_error__contains(const struct parse_events_error *err, | |
2320 | const char *needle) | |
2321 | { | |
2322 | struct parse_events_error_entry *pos; | |
a910e466 | 2323 | |
fd7b8e8f IR |
2324 | list_for_each_entry(pos, &err->list, list) { |
2325 | if (strstr(pos->str, needle) != NULL) | |
2326 | return true; | |
b39b8393 | 2327 | } |
fd7b8e8f | 2328 | return false; |
b39b8393 JO |
2329 | } |
2330 | ||
2331 | #undef MAX_WIDTH | |
2332 | ||
f120f9d5 | 2333 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 2334 | int unset __maybe_unused) |
f120f9d5 | 2335 | { |
411ad22e | 2336 | struct parse_events_option_args *args = opt->value; |
a910e466 IR |
2337 | struct parse_events_error err; |
2338 | int ret; | |
2339 | ||
07eafd4e | 2340 | parse_events_error__init(&err); |
411ad22e | 2341 | ret = __parse_events(*args->evlistp, str, args->pmu_filter, &err, |
a2a6604e DM |
2342 | /*fake_pmu=*/NULL, /*warn_if_reordered=*/true, |
2343 | /*fake_tp=*/false); | |
b39b8393 | 2344 | |
333b5665 | 2345 | if (ret) { |
6c191289 | 2346 | parse_events_error__print(&err, str); |
333b5665 AK |
2347 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); |
2348 | } | |
07eafd4e | 2349 | parse_events_error__exit(&err); |
9175ce1f | 2350 | |
9175ce1f | 2351 | return ret; |
f120f9d5 JO |
2352 | } |
2353 | ||
d0abbc3c ACM |
2354 | int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset) |
2355 | { | |
411ad22e | 2356 | struct parse_events_option_args *args = opt->value; |
d0abbc3c ACM |
2357 | int ret; |
2358 | ||
411ad22e IR |
2359 | if (*args->evlistp == NULL) { |
2360 | *args->evlistp = evlist__new(); | |
d0abbc3c | 2361 | |
411ad22e | 2362 | if (*args->evlistp == NULL) { |
d0abbc3c ACM |
2363 | fprintf(stderr, "Not enough memory to create evlist\n"); |
2364 | return -1; | |
2365 | } | |
2366 | } | |
d0abbc3c ACM |
2367 | ret = parse_events_option(opt, str, unset); |
2368 | if (ret) { | |
411ad22e IR |
2369 | evlist__delete(*args->evlistp); |
2370 | *args->evlistp = NULL; | |
d0abbc3c ACM |
2371 | } |
2372 | ||
2373 | return ret; | |
2374 | } | |
2375 | ||
4ba1faa1 | 2376 | static int |
63503dba | 2377 | foreach_evsel_in_last_glob(struct evlist *evlist, |
32dcd021 | 2378 | int (*func)(struct evsel *evsel, |
4ba1faa1 WN |
2379 | const void *arg), |
2380 | const void *arg) | |
c171b552 | 2381 | { |
32dcd021 | 2382 | struct evsel *last = NULL; |
4ba1faa1 | 2383 | int err; |
c171b552 | 2384 | |
854f7363 WN |
2385 | /* |
2386 | * Don't return when list_empty, give func a chance to report | |
2387 | * error when it found last == NULL. | |
2388 | * | |
2389 | * So no need to WARN here, let *func do this. | |
2390 | */ | |
6484d2f9 | 2391 | if (evlist->core.nr_entries > 0) |
515dbe48 | 2392 | last = evlist__last(evlist); |
69aad6f1 | 2393 | |
15bfd2cc | 2394 | do { |
4ba1faa1 WN |
2395 | err = (*func)(last, arg); |
2396 | if (err) | |
15bfd2cc | 2397 | return -1; |
4ba1faa1 WN |
2398 | if (!last) |
2399 | return 0; | |
15bfd2cc | 2400 | |
ce9036a6 | 2401 | if (last->core.node.prev == &evlist->core.entries) |
15bfd2cc | 2402 | return 0; |
b27c4ece | 2403 | last = list_entry(last->core.node.prev, struct evsel, core.node); |
15bfd2cc | 2404 | } while (!last->cmdline_group_boundary); |
c171b552 LZ |
2405 | |
2406 | return 0; | |
2407 | } | |
2408 | ||
32dcd021 | 2409 | static int set_filter(struct evsel *evsel, const void *arg) |
4ba1faa1 WN |
2410 | { |
2411 | const char *str = arg; | |
1e857484 MP |
2412 | bool found = false; |
2413 | int nr_addr_filters = 0; | |
2414 | struct perf_pmu *pmu = NULL; | |
4ba1faa1 | 2415 | |
49836f78 JH |
2416 | if (evsel == NULL) { |
2417 | fprintf(stderr, | |
2418 | "--filter option should follow a -e tracepoint or HW tracer option\n"); | |
2419 | return -1; | |
2420 | } | |
1e857484 | 2421 | |
1fc632ce | 2422 | if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) { |
ad681adf | 2423 | if (evsel__append_tp_filter(evsel, str) < 0) { |
1e857484 MP |
2424 | fprintf(stderr, |
2425 | "not enough memory to hold filter string\n"); | |
2426 | return -1; | |
2427 | } | |
2428 | ||
2429 | return 0; | |
4ba1faa1 WN |
2430 | } |
2431 | ||
1eaf496e | 2432 | while ((pmu = perf_pmus__scan(pmu)) != NULL) |
1fc632ce | 2433 | if (pmu->type == evsel->core.attr.type) { |
1e857484 MP |
2434 | found = true; |
2435 | break; | |
2436 | } | |
2437 | ||
2438 | if (found) | |
2439 | perf_pmu__scan_file(pmu, "nr_addr_filters", | |
2440 | "%d", &nr_addr_filters); | |
2441 | ||
d180aa56 NK |
2442 | if (!nr_addr_filters) |
2443 | return perf_bpf_filter__parse(&evsel->bpf_filters, str); | |
1e857484 | 2444 | |
ad681adf | 2445 | if (evsel__append_addr_filter(evsel, str) < 0) { |
4ba1faa1 WN |
2446 | fprintf(stderr, |
2447 | "not enough memory to hold filter string\n"); | |
2448 | return -1; | |
2449 | } | |
2450 | ||
2451 | return 0; | |
2452 | } | |
2453 | ||
2454 | int parse_filter(const struct option *opt, const char *str, | |
2455 | int unset __maybe_unused) | |
2456 | { | |
63503dba | 2457 | struct evlist *evlist = *(struct evlist **)opt->value; |
4ba1faa1 WN |
2458 | |
2459 | return foreach_evsel_in_last_glob(evlist, set_filter, | |
2460 | (const void *)str); | |
2461 | } | |
2462 | ||
32dcd021 | 2463 | static int add_exclude_perf_filter(struct evsel *evsel, |
4ba1faa1 WN |
2464 | const void *arg __maybe_unused) |
2465 | { | |
2466 | char new_filter[64]; | |
2467 | ||
1fc632ce | 2468 | if (evsel == NULL || evsel->core.attr.type != PERF_TYPE_TRACEPOINT) { |
4ba1faa1 WN |
2469 | fprintf(stderr, |
2470 | "--exclude-perf option should follow a -e tracepoint option\n"); | |
2471 | return -1; | |
2472 | } | |
2473 | ||
2474 | snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); | |
2475 | ||
ad681adf | 2476 | if (evsel__append_tp_filter(evsel, new_filter) < 0) { |
4ba1faa1 WN |
2477 | fprintf(stderr, |
2478 | "not enough memory to hold filter string\n"); | |
2479 | return -1; | |
2480 | } | |
2481 | ||
2482 | return 0; | |
2483 | } | |
2484 | ||
2485 | int exclude_perf(const struct option *opt, | |
2486 | const char *arg __maybe_unused, | |
2487 | int unset __maybe_unused) | |
2488 | { | |
63503dba | 2489 | struct evlist *evlist = *(struct evlist **)opt->value; |
4ba1faa1 WN |
2490 | |
2491 | return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, | |
2492 | NULL); | |
2493 | } | |
2494 | ||
6cee6cd3 | 2495 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 2496 | { |
16fa7e82 | 2497 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
2498 | } |
2499 | ||
67b49b38 JO |
2500 | static int new_term(struct parse_events_term **_term, |
2501 | struct parse_events_term *temp, | |
2502 | char *str, u64 num) | |
8f707d84 | 2503 | { |
6cee6cd3 | 2504 | struct parse_events_term *term; |
8f707d84 | 2505 | |
67b49b38 | 2506 | term = malloc(sizeof(*term)); |
8f707d84 JO |
2507 | if (!term) |
2508 | return -ENOMEM; | |
2509 | ||
67b49b38 | 2510 | *term = *temp; |
8f707d84 | 2511 | INIT_LIST_HEAD(&term->list); |
c2f1cead | 2512 | term->weak = false; |
8f707d84 | 2513 | |
67b49b38 | 2514 | switch (term->type_val) { |
8f707d84 JO |
2515 | case PARSE_EVENTS__TERM_TYPE_NUM: |
2516 | term->val.num = num; | |
2517 | break; | |
2518 | case PARSE_EVENTS__TERM_TYPE_STR: | |
2519 | term->val.str = str; | |
2520 | break; | |
2521 | default: | |
4be8be6b | 2522 | free(term); |
8f707d84 JO |
2523 | return -EINVAL; |
2524 | } | |
2525 | ||
2526 | *_term = term; | |
2527 | return 0; | |
2528 | } | |
2529 | ||
6cee6cd3 | 2530 | int parse_events_term__num(struct parse_events_term **term, |
58d3a4ce IR |
2531 | enum parse_events__term_type type_term, |
2532 | const char *config, u64 num, | |
99e7138e | 2533 | bool no_value, |
bb78ce7d | 2534 | void *loc_term_, void *loc_val_) |
16fa7e82 | 2535 | { |
bb78ce7d AH |
2536 | YYLTYPE *loc_term = loc_term_; |
2537 | YYLTYPE *loc_val = loc_val_; | |
2538 | ||
67b49b38 JO |
2539 | struct parse_events_term temp = { |
2540 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
2541 | .type_term = type_term, | |
58d3a4ce | 2542 | .config = config ? : strdup(config_term_name(type_term)), |
99e7138e | 2543 | .no_value = no_value, |
67b49b38 JO |
2544 | .err_term = loc_term ? loc_term->first_column : 0, |
2545 | .err_val = loc_val ? loc_val->first_column : 0, | |
2546 | }; | |
2547 | ||
64199ae4 | 2548 | return new_term(term, &temp, /*str=*/NULL, num); |
16fa7e82 JO |
2549 | } |
2550 | ||
6cee6cd3 | 2551 | int parse_events_term__str(struct parse_events_term **term, |
58d3a4ce IR |
2552 | enum parse_events__term_type type_term, |
2553 | char *config, char *str, | |
bb78ce7d | 2554 | void *loc_term_, void *loc_val_) |
16fa7e82 | 2555 | { |
bb78ce7d AH |
2556 | YYLTYPE *loc_term = loc_term_; |
2557 | YYLTYPE *loc_val = loc_val_; | |
2558 | ||
67b49b38 JO |
2559 | struct parse_events_term temp = { |
2560 | .type_val = PARSE_EVENTS__TERM_TYPE_STR, | |
2561 | .type_term = type_term, | |
2562 | .config = config, | |
2563 | .err_term = loc_term ? loc_term->first_column : 0, | |
2564 | .err_val = loc_val ? loc_val->first_column : 0, | |
2565 | }; | |
2566 | ||
64199ae4 | 2567 | return new_term(term, &temp, str, /*num=*/0); |
1d33d6dc JO |
2568 | } |
2569 | ||
e831f3cc | 2570 | int parse_events_term__term(struct parse_events_term **term, |
58d3a4ce IR |
2571 | enum parse_events__term_type term_lhs, |
2572 | enum parse_events__term_type term_rhs, | |
e831f3cc IR |
2573 | void *loc_term, void *loc_val) |
2574 | { | |
2575 | return parse_events_term__str(term, term_lhs, NULL, | |
58d3a4ce | 2576 | strdup(config_term_name(term_rhs)), |
e831f3cc IR |
2577 | loc_term, loc_val); |
2578 | } | |
2579 | ||
6cee6cd3 | 2580 | int parse_events_term__clone(struct parse_events_term **new, |
aa1551f2 | 2581 | const struct parse_events_term *term) |
a6146d50 | 2582 | { |
b6645a72 | 2583 | char *str; |
64199ae4 | 2584 | struct parse_events_term temp = *term; |
67b49b38 | 2585 | |
64199ae4 | 2586 | temp.used = false; |
b6645a72 IR |
2587 | if (term->config) { |
2588 | temp.config = strdup(term->config); | |
2589 | if (!temp.config) | |
2590 | return -ENOMEM; | |
2591 | } | |
2592 | if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) | |
64199ae4 | 2593 | return new_term(new, &temp, /*str=*/NULL, term->val.num); |
b6645a72 IR |
2594 | |
2595 | str = strdup(term->val.str); | |
7875c72c IR |
2596 | if (!str) { |
2597 | zfree(&temp.config); | |
b6645a72 | 2598 | return -ENOMEM; |
7875c72c | 2599 | } |
64199ae4 | 2600 | return new_term(new, &temp, str, /*num=*/0); |
a6146d50 ZY |
2601 | } |
2602 | ||
1dc92556 IR |
2603 | void parse_events_term__delete(struct parse_events_term *term) |
2604 | { | |
1dc92556 IR |
2605 | if (term->type_val != PARSE_EVENTS__TERM_TYPE_NUM) |
2606 | zfree(&term->val.str); | |
2607 | ||
2608 | zfree(&term->config); | |
2609 | free(term); | |
2610 | } | |
2611 | ||
0d3f0e6f IR |
2612 | static int parse_events_terms__copy(const struct parse_events_terms *src, |
2613 | struct parse_events_terms *dest) | |
8255718f | 2614 | { |
727adeed | 2615 | struct parse_events_term *term; |
8255718f | 2616 | |
0d3f0e6f | 2617 | list_for_each_entry (term, &src->terms, list) { |
727adeed IR |
2618 | struct parse_events_term *n; |
2619 | int ret; | |
8255718f | 2620 | |
8255718f AK |
2621 | ret = parse_events_term__clone(&n, term); |
2622 | if (ret) | |
2623 | return ret; | |
727adeed | 2624 | |
0d3f0e6f | 2625 | list_add_tail(&n->list, &dest->terms); |
8255718f AK |
2626 | } |
2627 | return 0; | |
2628 | } | |
2629 | ||
0d3f0e6f IR |
2630 | void parse_events_terms__init(struct parse_events_terms *terms) |
2631 | { | |
2632 | INIT_LIST_HEAD(&terms->terms); | |
2633 | } | |
2634 | ||
2635 | void parse_events_terms__exit(struct parse_events_terms *terms) | |
8f707d84 | 2636 | { |
6cee6cd3 | 2637 | struct parse_events_term *term, *h; |
8f707d84 | 2638 | |
0d3f0e6f | 2639 | list_for_each_entry_safe(term, h, &terms->terms, list) { |
a8adfceb | 2640 | list_del_init(&term->list); |
1dc92556 | 2641 | parse_events_term__delete(term); |
a8adfceb | 2642 | } |
8f707d84 | 2643 | } |
b39b8393 | 2644 | |
0d3f0e6f | 2645 | void parse_events_terms__delete(struct parse_events_terms *terms) |
fc0a2c1d | 2646 | { |
2146afc6 ACM |
2647 | if (!terms) |
2648 | return; | |
0d3f0e6f | 2649 | parse_events_terms__exit(terms); |
d20a5f2b | 2650 | free(terms); |
fc0a2c1d ACM |
2651 | } |
2652 | ||
0d3f0e6f | 2653 | int parse_events_terms__to_strbuf(const struct parse_events_terms *terms, struct strbuf *sb) |
7a6e9164 IR |
2654 | { |
2655 | struct parse_events_term *term; | |
2656 | bool first = true; | |
2657 | ||
0d3f0e6f | 2658 | if (!terms) |
7a6e9164 IR |
2659 | return 0; |
2660 | ||
0d3f0e6f | 2661 | list_for_each_entry(term, &terms->terms, list) { |
7a6e9164 IR |
2662 | int ret; |
2663 | ||
2664 | if (!first) { | |
2665 | ret = strbuf_addch(sb, ','); | |
2666 | if (ret < 0) | |
2667 | return ret; | |
2668 | } | |
2669 | first = false; | |
2670 | ||
2671 | if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) | |
64199ae4 | 2672 | if (term->no_value) { |
9ea150a8 | 2673 | assert(term->val.num == 1); |
7a6e9164 | 2674 | ret = strbuf_addf(sb, "%s", term->config); |
64199ae4 | 2675 | } else |
7a6e9164 IR |
2676 | ret = strbuf_addf(sb, "%s=%#"PRIx64, term->config, term->val.num); |
2677 | else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) { | |
2678 | if (term->config) { | |
2679 | ret = strbuf_addf(sb, "%s=", term->config); | |
2680 | if (ret < 0) | |
2681 | return ret; | |
64199ae4 | 2682 | } else if ((unsigned int)term->type_term < __PARSE_EVENTS__TERM_TYPE_NR) { |
58d3a4ce | 2683 | ret = strbuf_addf(sb, "%s=", config_term_name(term->type_term)); |
7a6e9164 IR |
2684 | if (ret < 0) |
2685 | return ret; | |
2686 | } | |
64199ae4 | 2687 | assert(!term->no_value); |
7a6e9164 IR |
2688 | ret = strbuf_addf(sb, "%s", term->val.str); |
2689 | } | |
2690 | if (ret < 0) | |
2691 | return ret; | |
2692 | } | |
2693 | return 0; | |
2694 | } | |
2695 | ||
17cb5f84 WN |
2696 | static void config_terms_list(char *buf, size_t buf_sz) |
2697 | { | |
2698 | int i; | |
2699 | bool first = true; | |
2700 | ||
2701 | buf[0] = '\0'; | |
2702 | for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) { | |
58d3a4ce | 2703 | const char *name = config_term_name(i); |
17cb5f84 | 2704 | |
1669e509 WN |
2705 | if (!config_term_avail(i, NULL)) |
2706 | continue; | |
17cb5f84 WN |
2707 | if (!name) |
2708 | continue; | |
2709 | if (name[0] == '<') | |
2710 | continue; | |
2711 | ||
2712 | if (strlen(buf) + strlen(name) + 2 >= buf_sz) | |
2713 | return; | |
2714 | ||
2715 | if (!first) | |
2716 | strcat(buf, ","); | |
2717 | else | |
2718 | first = false; | |
2719 | strcat(buf, name); | |
2720 | } | |
2721 | } | |
2722 | ||
ffeb883e HK |
2723 | /* |
2724 | * Return string contains valid config terms of an event. | |
2725 | * @additional_terms: For terms such as PMU sysfs terms. | |
2726 | */ | |
2727 | char *parse_events_formats_error_string(char *additional_terms) | |
2728 | { | |
2729 | char *str; | |
626a6b78 | 2730 | /* "no-overwrite" is the longest name */ |
17cb5f84 | 2731 | char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * |
626a6b78 | 2732 | (sizeof("no-overwrite") - 1)]; |
ffeb883e | 2733 | |
17cb5f84 | 2734 | config_terms_list(static_terms, sizeof(static_terms)); |
ffeb883e HK |
2735 | /* valid terms */ |
2736 | if (additional_terms) { | |
26dee028 WN |
2737 | if (asprintf(&str, "valid terms: %s,%s", |
2738 | additional_terms, static_terms) < 0) | |
ffeb883e HK |
2739 | goto fail; |
2740 | } else { | |
26dee028 | 2741 | if (asprintf(&str, "valid terms: %s", static_terms) < 0) |
ffeb883e HK |
2742 | goto fail; |
2743 | } | |
2744 | return str; | |
2745 | ||
2746 | fail: | |
2747 | return NULL; | |
2748 | } |