Commit | Line | Data |
---|---|---|
78f7defe | 1 | #include "annotate.h" |
8a0ecfb8 | 2 | #include "util.h" |
598357eb | 3 | #include "build-id.h" |
3d1d07ec | 4 | #include "hist.h" |
4e4f06e4 ACM |
5 | #include "session.h" |
6 | #include "sort.h" | |
29d720ed | 7 | #include "evsel.h" |
9b33827d | 8 | #include <math.h> |
3d1d07ec | 9 | |
90cf1fb5 ACM |
10 | static bool hists__filter_entry_by_dso(struct hists *hists, |
11 | struct hist_entry *he); | |
12 | static bool hists__filter_entry_by_thread(struct hists *hists, | |
13 | struct hist_entry *he); | |
e94d53eb NK |
14 | static bool hists__filter_entry_by_symbol(struct hists *hists, |
15 | struct hist_entry *he); | |
90cf1fb5 | 16 | |
7a007ca9 ACM |
17 | enum hist_filter { |
18 | HIST_FILTER__DSO, | |
19 | HIST_FILTER__THREAD, | |
20 | HIST_FILTER__PARENT, | |
e94d53eb | 21 | HIST_FILTER__SYMBOL, |
7a007ca9 ACM |
22 | }; |
23 | ||
3d1d07ec JK |
24 | struct callchain_param callchain_param = { |
25 | .mode = CHAIN_GRAPH_REL, | |
d797fdc5 | 26 | .min_percent = 0.5, |
99571ab3 AK |
27 | .order = ORDER_CALLEE, |
28 | .key = CCKEY_FUNCTION | |
3d1d07ec JK |
29 | }; |
30 | ||
42b28ac0 | 31 | u16 hists__col_len(struct hists *hists, enum hist_column col) |
8a6c5b26 | 32 | { |
42b28ac0 | 33 | return hists->col_len[col]; |
8a6c5b26 ACM |
34 | } |
35 | ||
42b28ac0 | 36 | void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len) |
8a6c5b26 | 37 | { |
42b28ac0 | 38 | hists->col_len[col] = len; |
8a6c5b26 ACM |
39 | } |
40 | ||
42b28ac0 | 41 | bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len) |
8a6c5b26 | 42 | { |
42b28ac0 ACM |
43 | if (len > hists__col_len(hists, col)) { |
44 | hists__set_col_len(hists, col, len); | |
8a6c5b26 ACM |
45 | return true; |
46 | } | |
47 | return false; | |
48 | } | |
49 | ||
7ccf4f90 | 50 | void hists__reset_col_len(struct hists *hists) |
8a6c5b26 ACM |
51 | { |
52 | enum hist_column col; | |
53 | ||
54 | for (col = 0; col < HISTC_NR_COLS; ++col) | |
42b28ac0 | 55 | hists__set_col_len(hists, col, 0); |
8a6c5b26 ACM |
56 | } |
57 | ||
b5387528 RAV |
58 | static void hists__set_unres_dso_col_len(struct hists *hists, int dso) |
59 | { | |
60 | const unsigned int unresolved_col_width = BITS_PER_LONG / 4; | |
61 | ||
62 | if (hists__col_len(hists, dso) < unresolved_col_width && | |
63 | !symbol_conf.col_width_list_str && !symbol_conf.field_sep && | |
64 | !symbol_conf.dso_list) | |
65 | hists__set_col_len(hists, dso, unresolved_col_width); | |
66 | } | |
67 | ||
7ccf4f90 | 68 | void hists__calc_col_len(struct hists *hists, struct hist_entry *h) |
8a6c5b26 | 69 | { |
b5387528 | 70 | const unsigned int unresolved_col_width = BITS_PER_LONG / 4; |
98a3b32c | 71 | int symlen; |
8a6c5b26 ACM |
72 | u16 len; |
73 | ||
ded19d57 NK |
74 | /* |
75 | * +4 accounts for '[x] ' priv level info | |
76 | * +2 accounts for 0x prefix on raw addresses | |
77 | * +3 accounts for ' y ' symtab origin info | |
78 | */ | |
79 | if (h->ms.sym) { | |
80 | symlen = h->ms.sym->namelen + 4; | |
81 | if (verbose) | |
82 | symlen += BITS_PER_LONG / 4 + 2 + 3; | |
83 | hists__new_col_len(hists, HISTC_SYMBOL, symlen); | |
84 | } else { | |
98a3b32c SE |
85 | symlen = unresolved_col_width + 4 + 2; |
86 | hists__new_col_len(hists, HISTC_SYMBOL, symlen); | |
b5387528 | 87 | hists__set_unres_dso_col_len(hists, HISTC_DSO); |
98a3b32c | 88 | } |
8a6c5b26 ACM |
89 | |
90 | len = thread__comm_len(h->thread); | |
42b28ac0 ACM |
91 | if (hists__new_col_len(hists, HISTC_COMM, len)) |
92 | hists__set_col_len(hists, HISTC_THREAD, len + 6); | |
8a6c5b26 ACM |
93 | |
94 | if (h->ms.map) { | |
95 | len = dso__name_len(h->ms.map->dso); | |
42b28ac0 | 96 | hists__new_col_len(hists, HISTC_DSO, len); |
8a6c5b26 | 97 | } |
b5387528 | 98 | |
cb993744 NK |
99 | if (h->parent) |
100 | hists__new_col_len(hists, HISTC_PARENT, h->parent->namelen); | |
101 | ||
b5387528 | 102 | if (h->branch_info) { |
b5387528 RAV |
103 | if (h->branch_info->from.sym) { |
104 | symlen = (int)h->branch_info->from.sym->namelen + 4; | |
ded19d57 NK |
105 | if (verbose) |
106 | symlen += BITS_PER_LONG / 4 + 2 + 3; | |
b5387528 RAV |
107 | hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen); |
108 | ||
109 | symlen = dso__name_len(h->branch_info->from.map->dso); | |
110 | hists__new_col_len(hists, HISTC_DSO_FROM, symlen); | |
111 | } else { | |
112 | symlen = unresolved_col_width + 4 + 2; | |
113 | hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen); | |
114 | hists__set_unres_dso_col_len(hists, HISTC_DSO_FROM); | |
115 | } | |
116 | ||
117 | if (h->branch_info->to.sym) { | |
118 | symlen = (int)h->branch_info->to.sym->namelen + 4; | |
ded19d57 NK |
119 | if (verbose) |
120 | symlen += BITS_PER_LONG / 4 + 2 + 3; | |
b5387528 RAV |
121 | hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen); |
122 | ||
123 | symlen = dso__name_len(h->branch_info->to.map->dso); | |
124 | hists__new_col_len(hists, HISTC_DSO_TO, symlen); | |
125 | } else { | |
126 | symlen = unresolved_col_width + 4 + 2; | |
127 | hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen); | |
128 | hists__set_unres_dso_col_len(hists, HISTC_DSO_TO); | |
129 | } | |
130 | } | |
98a3b32c SE |
131 | |
132 | if (h->mem_info) { | |
98a3b32c SE |
133 | if (h->mem_info->daddr.sym) { |
134 | symlen = (int)h->mem_info->daddr.sym->namelen + 4 | |
135 | + unresolved_col_width + 2; | |
136 | hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, | |
137 | symlen); | |
138 | } else { | |
139 | symlen = unresolved_col_width + 4 + 2; | |
140 | hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, | |
141 | symlen); | |
142 | } | |
143 | if (h->mem_info->daddr.map) { | |
144 | symlen = dso__name_len(h->mem_info->daddr.map->dso); | |
145 | hists__new_col_len(hists, HISTC_MEM_DADDR_DSO, | |
146 | symlen); | |
147 | } else { | |
148 | symlen = unresolved_col_width + 4 + 2; | |
149 | hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO); | |
150 | } | |
151 | } else { | |
152 | symlen = unresolved_col_width + 4 + 2; | |
153 | hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen); | |
154 | hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO); | |
155 | } | |
156 | ||
157 | hists__new_col_len(hists, HISTC_MEM_LOCKED, 6); | |
158 | hists__new_col_len(hists, HISTC_MEM_TLB, 22); | |
159 | hists__new_col_len(hists, HISTC_MEM_SNOOP, 12); | |
160 | hists__new_col_len(hists, HISTC_MEM_LVL, 21 + 3); | |
161 | hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12); | |
162 | hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12); | |
475eeab9 AK |
163 | |
164 | if (h->transaction) | |
165 | hists__new_col_len(hists, HISTC_TRANSACTION, | |
166 | hist_entry__transaction_len()); | |
8a6c5b26 ACM |
167 | } |
168 | ||
7ccf4f90 NK |
169 | void hists__output_recalc_col_len(struct hists *hists, int max_rows) |
170 | { | |
171 | struct rb_node *next = rb_first(&hists->entries); | |
172 | struct hist_entry *n; | |
173 | int row = 0; | |
174 | ||
175 | hists__reset_col_len(hists); | |
176 | ||
177 | while (next && row++ < max_rows) { | |
178 | n = rb_entry(next, struct hist_entry, rb_node); | |
179 | if (!n->filtered) | |
180 | hists__calc_col_len(hists, n); | |
181 | next = rb_next(&n->rb_node); | |
182 | } | |
183 | } | |
184 | ||
12c14278 | 185 | static void hist_entry__add_cpumode_period(struct hist_entry *he, |
c82ee828 | 186 | unsigned int cpumode, u64 period) |
a1645ce1 | 187 | { |
28e2a106 | 188 | switch (cpumode) { |
a1645ce1 | 189 | case PERF_RECORD_MISC_KERNEL: |
b24c28f7 | 190 | he->stat.period_sys += period; |
a1645ce1 ZY |
191 | break; |
192 | case PERF_RECORD_MISC_USER: | |
b24c28f7 | 193 | he->stat.period_us += period; |
a1645ce1 ZY |
194 | break; |
195 | case PERF_RECORD_MISC_GUEST_KERNEL: | |
b24c28f7 | 196 | he->stat.period_guest_sys += period; |
a1645ce1 ZY |
197 | break; |
198 | case PERF_RECORD_MISC_GUEST_USER: | |
b24c28f7 | 199 | he->stat.period_guest_us += period; |
a1645ce1 ZY |
200 | break; |
201 | default: | |
202 | break; | |
203 | } | |
204 | } | |
205 | ||
05484298 AK |
206 | static void he_stat__add_period(struct he_stat *he_stat, u64 period, |
207 | u64 weight) | |
139c0815 | 208 | { |
98a3b32c | 209 | |
139c0815 | 210 | he_stat->period += period; |
05484298 | 211 | he_stat->weight += weight; |
139c0815 NK |
212 | he_stat->nr_events += 1; |
213 | } | |
214 | ||
215 | static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) | |
216 | { | |
217 | dest->period += src->period; | |
218 | dest->period_sys += src->period_sys; | |
219 | dest->period_us += src->period_us; | |
220 | dest->period_guest_sys += src->period_guest_sys; | |
221 | dest->period_guest_us += src->period_guest_us; | |
222 | dest->nr_events += src->nr_events; | |
05484298 | 223 | dest->weight += src->weight; |
139c0815 NK |
224 | } |
225 | ||
ab81f3fd ACM |
226 | static void hist_entry__decay(struct hist_entry *he) |
227 | { | |
b24c28f7 NK |
228 | he->stat.period = (he->stat.period * 7) / 8; |
229 | he->stat.nr_events = (he->stat.nr_events * 7) / 8; | |
05484298 | 230 | /* XXX need decay for weight too? */ |
ab81f3fd ACM |
231 | } |
232 | ||
233 | static bool hists__decay_entry(struct hists *hists, struct hist_entry *he) | |
234 | { | |
b24c28f7 | 235 | u64 prev_period = he->stat.period; |
c64550cf ACM |
236 | |
237 | if (prev_period == 0) | |
df71d95f | 238 | return true; |
c64550cf | 239 | |
ab81f3fd | 240 | hist_entry__decay(he); |
c64550cf ACM |
241 | |
242 | if (!he->filtered) | |
b24c28f7 | 243 | hists->stats.total_period -= prev_period - he->stat.period; |
c64550cf | 244 | |
b24c28f7 | 245 | return he->stat.period == 0; |
ab81f3fd ACM |
246 | } |
247 | ||
3a5714f8 | 248 | void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel) |
ab81f3fd ACM |
249 | { |
250 | struct rb_node *next = rb_first(&hists->entries); | |
251 | struct hist_entry *n; | |
252 | ||
253 | while (next) { | |
254 | n = rb_entry(next, struct hist_entry, rb_node); | |
255 | next = rb_next(&n->rb_node); | |
df71d95f ACM |
256 | /* |
257 | * We may be annotating this, for instance, so keep it here in | |
258 | * case some it gets new samples, we'll eventually free it when | |
259 | * the user stops browsing and it agains gets fully decayed. | |
260 | */ | |
b079d4e9 ACM |
261 | if (((zap_user && n->level == '.') || |
262 | (zap_kernel && n->level != '.') || | |
263 | hists__decay_entry(hists, n)) && | |
264 | !n->used) { | |
ab81f3fd ACM |
265 | rb_erase(&n->rb_node, &hists->entries); |
266 | ||
3a5714f8 | 267 | if (sort__need_collapse) |
ab81f3fd ACM |
268 | rb_erase(&n->rb_node_in, &hists->entries_collapsed); |
269 | ||
270 | hist_entry__free(n); | |
271 | --hists->nr_entries; | |
272 | } | |
273 | } | |
274 | } | |
275 | ||
3d1d07ec | 276 | /* |
c82ee828 | 277 | * histogram, sorted on item, collects periods |
3d1d07ec JK |
278 | */ |
279 | ||
28e2a106 ACM |
280 | static struct hist_entry *hist_entry__new(struct hist_entry *template) |
281 | { | |
d2009c51 | 282 | size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_root) : 0; |
98a3b32c | 283 | struct hist_entry *he = zalloc(sizeof(*he) + callchain_size); |
28e2a106 | 284 | |
12c14278 ACM |
285 | if (he != NULL) { |
286 | *he = *template; | |
c4b35351 | 287 | |
12c14278 ACM |
288 | if (he->ms.map) |
289 | he->ms.map->referenced = true; | |
3cf0cb1f SE |
290 | |
291 | if (he->branch_info) { | |
26353a61 NK |
292 | /* |
293 | * This branch info is (a part of) allocated from | |
294 | * machine__resolve_bstack() and will be freed after | |
295 | * adding new entries. So we need to save a copy. | |
296 | */ | |
297 | he->branch_info = malloc(sizeof(*he->branch_info)); | |
298 | if (he->branch_info == NULL) { | |
299 | free(he); | |
300 | return NULL; | |
301 | } | |
302 | ||
303 | memcpy(he->branch_info, template->branch_info, | |
304 | sizeof(*he->branch_info)); | |
305 | ||
3cf0cb1f SE |
306 | if (he->branch_info->from.map) |
307 | he->branch_info->from.map->referenced = true; | |
308 | if (he->branch_info->to.map) | |
309 | he->branch_info->to.map->referenced = true; | |
310 | } | |
311 | ||
98a3b32c SE |
312 | if (he->mem_info) { |
313 | if (he->mem_info->iaddr.map) | |
314 | he->mem_info->iaddr.map->referenced = true; | |
315 | if (he->mem_info->daddr.map) | |
316 | he->mem_info->daddr.map->referenced = true; | |
317 | } | |
318 | ||
28e2a106 | 319 | if (symbol_conf.use_callchain) |
12c14278 | 320 | callchain_init(he->callchain); |
b821c732 ACM |
321 | |
322 | INIT_LIST_HEAD(&he->pairs.node); | |
28e2a106 ACM |
323 | } |
324 | ||
12c14278 | 325 | return he; |
28e2a106 ACM |
326 | } |
327 | ||
66f97ed3 | 328 | void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h) |
fefb0b94 | 329 | { |
8a6c5b26 | 330 | if (!h->filtered) { |
42b28ac0 ACM |
331 | hists__calc_col_len(hists, h); |
332 | ++hists->nr_entries; | |
b24c28f7 | 333 | hists->stats.total_period += h->stat.period; |
8a6c5b26 | 334 | } |
fefb0b94 ACM |
335 | } |
336 | ||
7a007ca9 ACM |
337 | static u8 symbol__parent_filter(const struct symbol *parent) |
338 | { | |
339 | if (symbol_conf.exclude_other && parent == NULL) | |
340 | return 1 << HIST_FILTER__PARENT; | |
341 | return 0; | |
342 | } | |
343 | ||
b5387528 RAV |
344 | static struct hist_entry *add_hist_entry(struct hists *hists, |
345 | struct hist_entry *entry, | |
1c02c4d2 | 346 | struct addr_location *al, |
05484298 AK |
347 | u64 period, |
348 | u64 weight) | |
9735abf1 | 349 | { |
1980c2eb | 350 | struct rb_node **p; |
9735abf1 ACM |
351 | struct rb_node *parent = NULL; |
352 | struct hist_entry *he; | |
354cc40e | 353 | int64_t cmp; |
9735abf1 | 354 | |
1980c2eb ACM |
355 | p = &hists->entries_in->rb_node; |
356 | ||
9735abf1 ACM |
357 | while (*p != NULL) { |
358 | parent = *p; | |
1980c2eb | 359 | he = rb_entry(parent, struct hist_entry, rb_node_in); |
9735abf1 | 360 | |
9afcf930 NK |
361 | /* |
362 | * Make sure that it receives arguments in a same order as | |
363 | * hist_entry__collapse() so that we can use an appropriate | |
364 | * function when searching an entry regardless which sort | |
365 | * keys were used. | |
366 | */ | |
367 | cmp = hist_entry__cmp(he, entry); | |
9735abf1 ACM |
368 | |
369 | if (!cmp) { | |
05484298 | 370 | he_stat__add_period(&he->stat, period, weight); |
63fa471d | 371 | |
ceb2acbc NK |
372 | /* |
373 | * This mem info was allocated from machine__resolve_mem | |
374 | * and will not be used anymore. | |
375 | */ | |
376 | free(entry->mem_info); | |
377 | ||
63fa471d DM |
378 | /* If the map of an existing hist_entry has |
379 | * become out-of-date due to an exec() or | |
380 | * similar, update it. Otherwise we will | |
381 | * mis-adjust symbol addresses when computing | |
382 | * the history counter to increment. | |
383 | */ | |
384 | if (he->ms.map != entry->ms.map) { | |
385 | he->ms.map = entry->ms.map; | |
386 | if (he->ms.map) | |
387 | he->ms.map->referenced = true; | |
388 | } | |
28e2a106 | 389 | goto out; |
9735abf1 ACM |
390 | } |
391 | ||
392 | if (cmp < 0) | |
393 | p = &(*p)->rb_left; | |
394 | else | |
395 | p = &(*p)->rb_right; | |
396 | } | |
397 | ||
b5387528 | 398 | he = hist_entry__new(entry); |
9735abf1 | 399 | if (!he) |
27a0dcb7 | 400 | return NULL; |
1980c2eb ACM |
401 | |
402 | rb_link_node(&he->rb_node_in, parent, p); | |
403 | rb_insert_color(&he->rb_node_in, hists->entries_in); | |
28e2a106 | 404 | out: |
c82ee828 | 405 | hist_entry__add_cpumode_period(he, al->cpumode, period); |
9735abf1 ACM |
406 | return he; |
407 | } | |
408 | ||
98a3b32c SE |
409 | struct hist_entry *__hists__add_mem_entry(struct hists *self, |
410 | struct addr_location *al, | |
411 | struct symbol *sym_parent, | |
412 | struct mem_info *mi, | |
413 | u64 period, | |
414 | u64 weight) | |
415 | { | |
416 | struct hist_entry entry = { | |
417 | .thread = al->thread, | |
418 | .ms = { | |
419 | .map = al->map, | |
420 | .sym = al->sym, | |
421 | }, | |
422 | .stat = { | |
423 | .period = period, | |
424 | .weight = weight, | |
425 | .nr_events = 1, | |
426 | }, | |
427 | .cpu = al->cpu, | |
428 | .ip = al->addr, | |
429 | .level = al->level, | |
430 | .parent = sym_parent, | |
431 | .filtered = symbol__parent_filter(sym_parent), | |
432 | .hists = self, | |
433 | .mem_info = mi, | |
434 | .branch_info = NULL, | |
435 | }; | |
436 | return add_hist_entry(self, &entry, al, period, weight); | |
437 | } | |
438 | ||
b5387528 RAV |
439 | struct hist_entry *__hists__add_branch_entry(struct hists *self, |
440 | struct addr_location *al, | |
441 | struct symbol *sym_parent, | |
442 | struct branch_info *bi, | |
05484298 AK |
443 | u64 period, |
444 | u64 weight) | |
b5387528 RAV |
445 | { |
446 | struct hist_entry entry = { | |
447 | .thread = al->thread, | |
448 | .ms = { | |
449 | .map = bi->to.map, | |
450 | .sym = bi->to.sym, | |
451 | }, | |
452 | .cpu = al->cpu, | |
453 | .ip = bi->to.addr, | |
454 | .level = al->level, | |
b24c28f7 NK |
455 | .stat = { |
456 | .period = period, | |
c4b35351 | 457 | .nr_events = 1, |
05484298 | 458 | .weight = weight, |
b24c28f7 | 459 | }, |
b5387528 RAV |
460 | .parent = sym_parent, |
461 | .filtered = symbol__parent_filter(sym_parent), | |
462 | .branch_info = bi, | |
ae359f19 | 463 | .hists = self, |
98a3b32c | 464 | .mem_info = NULL, |
b5387528 RAV |
465 | }; |
466 | ||
05484298 | 467 | return add_hist_entry(self, &entry, al, period, weight); |
b5387528 RAV |
468 | } |
469 | ||
470 | struct hist_entry *__hists__add_entry(struct hists *self, | |
471 | struct addr_location *al, | |
05484298 | 472 | struct symbol *sym_parent, u64 period, |
475eeab9 | 473 | u64 weight, u64 transaction) |
b5387528 RAV |
474 | { |
475 | struct hist_entry entry = { | |
476 | .thread = al->thread, | |
477 | .ms = { | |
478 | .map = al->map, | |
479 | .sym = al->sym, | |
480 | }, | |
481 | .cpu = al->cpu, | |
482 | .ip = al->addr, | |
483 | .level = al->level, | |
b24c28f7 NK |
484 | .stat = { |
485 | .period = period, | |
c4b35351 | 486 | .nr_events = 1, |
05484298 | 487 | .weight = weight, |
b24c28f7 | 488 | }, |
b5387528 RAV |
489 | .parent = sym_parent, |
490 | .filtered = symbol__parent_filter(sym_parent), | |
ae359f19 | 491 | .hists = self, |
98a3b32c SE |
492 | .branch_info = NULL, |
493 | .mem_info = NULL, | |
475eeab9 | 494 | .transaction = transaction, |
b5387528 RAV |
495 | }; |
496 | ||
05484298 | 497 | return add_hist_entry(self, &entry, al, period, weight); |
b5387528 RAV |
498 | } |
499 | ||
3d1d07ec JK |
500 | int64_t |
501 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
502 | { | |
503 | struct sort_entry *se; | |
504 | int64_t cmp = 0; | |
505 | ||
506 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
fcd14984 | 507 | cmp = se->se_cmp(left, right); |
3d1d07ec JK |
508 | if (cmp) |
509 | break; | |
510 | } | |
511 | ||
512 | return cmp; | |
513 | } | |
514 | ||
515 | int64_t | |
516 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
517 | { | |
518 | struct sort_entry *se; | |
519 | int64_t cmp = 0; | |
520 | ||
521 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
522 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
523 | ||
fcd14984 | 524 | f = se->se_collapse ?: se->se_cmp; |
3d1d07ec JK |
525 | |
526 | cmp = f(left, right); | |
527 | if (cmp) | |
528 | break; | |
529 | } | |
530 | ||
531 | return cmp; | |
532 | } | |
533 | ||
534 | void hist_entry__free(struct hist_entry *he) | |
535 | { | |
580e338d | 536 | free(he->branch_info); |
028f12ee | 537 | free(he->mem_info); |
f048d548 | 538 | free_srcline(he->srcline); |
3d1d07ec JK |
539 | free(he); |
540 | } | |
541 | ||
542 | /* | |
543 | * collapse the histogram | |
544 | */ | |
545 | ||
1d037ca1 | 546 | static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused, |
1b3a0e95 FW |
547 | struct rb_root *root, |
548 | struct hist_entry *he) | |
3d1d07ec | 549 | { |
b9bf0892 | 550 | struct rb_node **p = &root->rb_node; |
3d1d07ec JK |
551 | struct rb_node *parent = NULL; |
552 | struct hist_entry *iter; | |
553 | int64_t cmp; | |
554 | ||
555 | while (*p != NULL) { | |
556 | parent = *p; | |
1980c2eb | 557 | iter = rb_entry(parent, struct hist_entry, rb_node_in); |
3d1d07ec JK |
558 | |
559 | cmp = hist_entry__collapse(iter, he); | |
560 | ||
561 | if (!cmp) { | |
139c0815 | 562 | he_stat__add_stat(&iter->stat, &he->stat); |
9ec60972 | 563 | |
1b3a0e95 | 564 | if (symbol_conf.use_callchain) { |
47260645 NK |
565 | callchain_cursor_reset(&callchain_cursor); |
566 | callchain_merge(&callchain_cursor, | |
567 | iter->callchain, | |
1b3a0e95 FW |
568 | he->callchain); |
569 | } | |
3d1d07ec | 570 | hist_entry__free(he); |
fefb0b94 | 571 | return false; |
3d1d07ec JK |
572 | } |
573 | ||
574 | if (cmp < 0) | |
575 | p = &(*p)->rb_left; | |
576 | else | |
577 | p = &(*p)->rb_right; | |
578 | } | |
579 | ||
1980c2eb ACM |
580 | rb_link_node(&he->rb_node_in, parent, p); |
581 | rb_insert_color(&he->rb_node_in, root); | |
fefb0b94 | 582 | return true; |
3d1d07ec JK |
583 | } |
584 | ||
1980c2eb | 585 | static struct rb_root *hists__get_rotate_entries_in(struct hists *hists) |
3d1d07ec | 586 | { |
1980c2eb ACM |
587 | struct rb_root *root; |
588 | ||
589 | pthread_mutex_lock(&hists->lock); | |
590 | ||
591 | root = hists->entries_in; | |
592 | if (++hists->entries_in > &hists->entries_in_array[1]) | |
593 | hists->entries_in = &hists->entries_in_array[0]; | |
594 | ||
595 | pthread_mutex_unlock(&hists->lock); | |
596 | ||
597 | return root; | |
598 | } | |
599 | ||
90cf1fb5 ACM |
600 | static void hists__apply_filters(struct hists *hists, struct hist_entry *he) |
601 | { | |
602 | hists__filter_entry_by_dso(hists, he); | |
603 | hists__filter_entry_by_thread(hists, he); | |
e94d53eb | 604 | hists__filter_entry_by_symbol(hists, he); |
90cf1fb5 ACM |
605 | } |
606 | ||
3a5714f8 | 607 | void hists__collapse_resort(struct hists *hists) |
1980c2eb ACM |
608 | { |
609 | struct rb_root *root; | |
3d1d07ec JK |
610 | struct rb_node *next; |
611 | struct hist_entry *n; | |
612 | ||
3a5714f8 | 613 | if (!sort__need_collapse) |
3d1d07ec JK |
614 | return; |
615 | ||
1980c2eb ACM |
616 | root = hists__get_rotate_entries_in(hists); |
617 | next = rb_first(root); | |
b9bf0892 | 618 | |
3d1d07ec | 619 | while (next) { |
33e940a2 ACM |
620 | if (session_done()) |
621 | break; | |
1980c2eb ACM |
622 | n = rb_entry(next, struct hist_entry, rb_node_in); |
623 | next = rb_next(&n->rb_node_in); | |
3d1d07ec | 624 | |
1980c2eb | 625 | rb_erase(&n->rb_node_in, root); |
90cf1fb5 ACM |
626 | if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n)) { |
627 | /* | |
628 | * If it wasn't combined with one of the entries already | |
629 | * collapsed, we need to apply the filters that may have | |
630 | * been set by, say, the hist_browser. | |
631 | */ | |
632 | hists__apply_filters(hists, n); | |
90cf1fb5 | 633 | } |
3d1d07ec | 634 | } |
1980c2eb | 635 | } |
b9bf0892 | 636 | |
3d1d07ec | 637 | /* |
c82ee828 | 638 | * reverse the map, sort on period. |
3d1d07ec JK |
639 | */ |
640 | ||
29d720ed NK |
641 | static int period_cmp(u64 period_a, u64 period_b) |
642 | { | |
643 | if (period_a > period_b) | |
644 | return 1; | |
645 | if (period_a < period_b) | |
646 | return -1; | |
647 | return 0; | |
648 | } | |
649 | ||
650 | static int hist_entry__sort_on_period(struct hist_entry *a, | |
651 | struct hist_entry *b) | |
652 | { | |
653 | int ret; | |
654 | int i, nr_members; | |
655 | struct perf_evsel *evsel; | |
656 | struct hist_entry *pair; | |
657 | u64 *periods_a, *periods_b; | |
658 | ||
659 | ret = period_cmp(a->stat.period, b->stat.period); | |
660 | if (ret || !symbol_conf.event_group) | |
661 | return ret; | |
662 | ||
663 | evsel = hists_to_evsel(a->hists); | |
664 | nr_members = evsel->nr_members; | |
665 | if (nr_members <= 1) | |
666 | return ret; | |
667 | ||
668 | periods_a = zalloc(sizeof(periods_a) * nr_members); | |
669 | periods_b = zalloc(sizeof(periods_b) * nr_members); | |
670 | ||
671 | if (!periods_a || !periods_b) | |
672 | goto out; | |
673 | ||
674 | list_for_each_entry(pair, &a->pairs.head, pairs.node) { | |
675 | evsel = hists_to_evsel(pair->hists); | |
676 | periods_a[perf_evsel__group_idx(evsel)] = pair->stat.period; | |
677 | } | |
678 | ||
679 | list_for_each_entry(pair, &b->pairs.head, pairs.node) { | |
680 | evsel = hists_to_evsel(pair->hists); | |
681 | periods_b[perf_evsel__group_idx(evsel)] = pair->stat.period; | |
682 | } | |
683 | ||
684 | for (i = 1; i < nr_members; i++) { | |
685 | ret = period_cmp(periods_a[i], periods_b[i]); | |
686 | if (ret) | |
687 | break; | |
688 | } | |
689 | ||
690 | out: | |
691 | free(periods_a); | |
692 | free(periods_b); | |
693 | ||
694 | return ret; | |
695 | } | |
696 | ||
1c02c4d2 ACM |
697 | static void __hists__insert_output_entry(struct rb_root *entries, |
698 | struct hist_entry *he, | |
699 | u64 min_callchain_hits) | |
3d1d07ec | 700 | { |
1c02c4d2 | 701 | struct rb_node **p = &entries->rb_node; |
3d1d07ec JK |
702 | struct rb_node *parent = NULL; |
703 | struct hist_entry *iter; | |
704 | ||
d599db3f | 705 | if (symbol_conf.use_callchain) |
b9fb9304 | 706 | callchain_param.sort(&he->sorted_chain, he->callchain, |
3d1d07ec JK |
707 | min_callchain_hits, &callchain_param); |
708 | ||
709 | while (*p != NULL) { | |
710 | parent = *p; | |
711 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
712 | ||
29d720ed | 713 | if (hist_entry__sort_on_period(he, iter) > 0) |
3d1d07ec JK |
714 | p = &(*p)->rb_left; |
715 | else | |
716 | p = &(*p)->rb_right; | |
717 | } | |
718 | ||
719 | rb_link_node(&he->rb_node, parent, p); | |
1c02c4d2 | 720 | rb_insert_color(&he->rb_node, entries); |
3d1d07ec JK |
721 | } |
722 | ||
3a5714f8 | 723 | void hists__output_resort(struct hists *hists) |
3d1d07ec | 724 | { |
1980c2eb | 725 | struct rb_root *root; |
3d1d07ec JK |
726 | struct rb_node *next; |
727 | struct hist_entry *n; | |
3d1d07ec JK |
728 | u64 min_callchain_hits; |
729 | ||
42b28ac0 | 730 | min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100); |
3d1d07ec | 731 | |
3a5714f8 | 732 | if (sort__need_collapse) |
1980c2eb ACM |
733 | root = &hists->entries_collapsed; |
734 | else | |
735 | root = hists->entries_in; | |
736 | ||
737 | next = rb_first(root); | |
738 | hists->entries = RB_ROOT; | |
3d1d07ec | 739 | |
42b28ac0 | 740 | hists->nr_entries = 0; |
7928631a | 741 | hists->stats.total_period = 0; |
42b28ac0 | 742 | hists__reset_col_len(hists); |
fefb0b94 | 743 | |
3d1d07ec | 744 | while (next) { |
1980c2eb ACM |
745 | n = rb_entry(next, struct hist_entry, rb_node_in); |
746 | next = rb_next(&n->rb_node_in); | |
3d1d07ec | 747 | |
1980c2eb | 748 | __hists__insert_output_entry(&hists->entries, n, min_callchain_hits); |
42b28ac0 | 749 | hists__inc_nr_entries(hists, n); |
3d1d07ec | 750 | } |
1980c2eb | 751 | } |
b9bf0892 | 752 | |
42b28ac0 | 753 | static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h, |
cc5edb0e ACM |
754 | enum hist_filter filter) |
755 | { | |
756 | h->filtered &= ~(1 << filter); | |
757 | if (h->filtered) | |
758 | return; | |
759 | ||
42b28ac0 | 760 | ++hists->nr_entries; |
0f0cbf7a | 761 | if (h->ms.unfolded) |
42b28ac0 | 762 | hists->nr_entries += h->nr_rows; |
0f0cbf7a | 763 | h->row_offset = 0; |
b24c28f7 NK |
764 | hists->stats.total_period += h->stat.period; |
765 | hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->stat.nr_events; | |
cc5edb0e | 766 | |
42b28ac0 | 767 | hists__calc_col_len(hists, h); |
cc5edb0e ACM |
768 | } |
769 | ||
90cf1fb5 ACM |
770 | |
771 | static bool hists__filter_entry_by_dso(struct hists *hists, | |
772 | struct hist_entry *he) | |
773 | { | |
774 | if (hists->dso_filter != NULL && | |
775 | (he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) { | |
776 | he->filtered |= (1 << HIST_FILTER__DSO); | |
777 | return true; | |
778 | } | |
779 | ||
780 | return false; | |
781 | } | |
782 | ||
d7b76f09 | 783 | void hists__filter_by_dso(struct hists *hists) |
b09e0190 ACM |
784 | { |
785 | struct rb_node *nd; | |
786 | ||
42b28ac0 ACM |
787 | hists->nr_entries = hists->stats.total_period = 0; |
788 | hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; | |
789 | hists__reset_col_len(hists); | |
b09e0190 | 790 | |
42b28ac0 | 791 | for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { |
b09e0190 ACM |
792 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); |
793 | ||
794 | if (symbol_conf.exclude_other && !h->parent) | |
795 | continue; | |
796 | ||
90cf1fb5 | 797 | if (hists__filter_entry_by_dso(hists, h)) |
b09e0190 | 798 | continue; |
b09e0190 | 799 | |
42b28ac0 | 800 | hists__remove_entry_filter(hists, h, HIST_FILTER__DSO); |
b09e0190 ACM |
801 | } |
802 | } | |
803 | ||
90cf1fb5 ACM |
804 | static bool hists__filter_entry_by_thread(struct hists *hists, |
805 | struct hist_entry *he) | |
806 | { | |
807 | if (hists->thread_filter != NULL && | |
808 | he->thread != hists->thread_filter) { | |
809 | he->filtered |= (1 << HIST_FILTER__THREAD); | |
810 | return true; | |
811 | } | |
812 | ||
813 | return false; | |
814 | } | |
815 | ||
d7b76f09 | 816 | void hists__filter_by_thread(struct hists *hists) |
b09e0190 ACM |
817 | { |
818 | struct rb_node *nd; | |
819 | ||
42b28ac0 ACM |
820 | hists->nr_entries = hists->stats.total_period = 0; |
821 | hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; | |
822 | hists__reset_col_len(hists); | |
b09e0190 | 823 | |
42b28ac0 | 824 | for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { |
b09e0190 ACM |
825 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); |
826 | ||
90cf1fb5 | 827 | if (hists__filter_entry_by_thread(hists, h)) |
b09e0190 | 828 | continue; |
cc5edb0e | 829 | |
42b28ac0 | 830 | hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD); |
b09e0190 ACM |
831 | } |
832 | } | |
ef7b93a1 | 833 | |
e94d53eb NK |
834 | static bool hists__filter_entry_by_symbol(struct hists *hists, |
835 | struct hist_entry *he) | |
836 | { | |
837 | if (hists->symbol_filter_str != NULL && | |
838 | (!he->ms.sym || strstr(he->ms.sym->name, | |
839 | hists->symbol_filter_str) == NULL)) { | |
840 | he->filtered |= (1 << HIST_FILTER__SYMBOL); | |
841 | return true; | |
842 | } | |
843 | ||
844 | return false; | |
845 | } | |
846 | ||
847 | void hists__filter_by_symbol(struct hists *hists) | |
848 | { | |
849 | struct rb_node *nd; | |
850 | ||
851 | hists->nr_entries = hists->stats.total_period = 0; | |
852 | hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; | |
853 | hists__reset_col_len(hists); | |
854 | ||
855 | for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { | |
856 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
857 | ||
858 | if (hists__filter_entry_by_symbol(hists, h)) | |
859 | continue; | |
860 | ||
861 | hists__remove_entry_filter(hists, h, HIST_FILTER__SYMBOL); | |
862 | } | |
863 | } | |
864 | ||
2f525d01 | 865 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
ef7b93a1 | 866 | { |
2f525d01 | 867 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); |
ef7b93a1 ACM |
868 | } |
869 | ||
ce6f4fab | 870 | int hist_entry__annotate(struct hist_entry *he, size_t privsize) |
ef7b93a1 | 871 | { |
ce6f4fab | 872 | return symbol__annotate(he->ms.sym, he->ms.map, privsize); |
ef7b93a1 | 873 | } |
c8446b9b | 874 | |
28a6b6aa ACM |
875 | void events_stats__inc(struct events_stats *stats, u32 type) |
876 | { | |
877 | ++stats->nr_events[0]; | |
878 | ++stats->nr_events[type]; | |
879 | } | |
880 | ||
42b28ac0 | 881 | void hists__inc_nr_events(struct hists *hists, u32 type) |
c8446b9b | 882 | { |
28a6b6aa | 883 | events_stats__inc(&hists->stats, type); |
c8446b9b | 884 | } |
95529be4 | 885 | |
494d70a1 ACM |
886 | static struct hist_entry *hists__add_dummy_entry(struct hists *hists, |
887 | struct hist_entry *pair) | |
888 | { | |
ce74f60e NK |
889 | struct rb_root *root; |
890 | struct rb_node **p; | |
494d70a1 ACM |
891 | struct rb_node *parent = NULL; |
892 | struct hist_entry *he; | |
354cc40e | 893 | int64_t cmp; |
494d70a1 | 894 | |
ce74f60e NK |
895 | if (sort__need_collapse) |
896 | root = &hists->entries_collapsed; | |
897 | else | |
898 | root = hists->entries_in; | |
899 | ||
900 | p = &root->rb_node; | |
901 | ||
494d70a1 ACM |
902 | while (*p != NULL) { |
903 | parent = *p; | |
ce74f60e | 904 | he = rb_entry(parent, struct hist_entry, rb_node_in); |
494d70a1 | 905 | |
ce74f60e | 906 | cmp = hist_entry__collapse(he, pair); |
494d70a1 ACM |
907 | |
908 | if (!cmp) | |
909 | goto out; | |
910 | ||
911 | if (cmp < 0) | |
912 | p = &(*p)->rb_left; | |
913 | else | |
914 | p = &(*p)->rb_right; | |
915 | } | |
916 | ||
917 | he = hist_entry__new(pair); | |
918 | if (he) { | |
30193d78 ACM |
919 | memset(&he->stat, 0, sizeof(he->stat)); |
920 | he->hists = hists; | |
ce74f60e NK |
921 | rb_link_node(&he->rb_node_in, parent, p); |
922 | rb_insert_color(&he->rb_node_in, root); | |
494d70a1 | 923 | hists__inc_nr_entries(hists, he); |
e0af43d2 | 924 | he->dummy = true; |
494d70a1 ACM |
925 | } |
926 | out: | |
927 | return he; | |
928 | } | |
929 | ||
95529be4 ACM |
930 | static struct hist_entry *hists__find_entry(struct hists *hists, |
931 | struct hist_entry *he) | |
932 | { | |
ce74f60e NK |
933 | struct rb_node *n; |
934 | ||
935 | if (sort__need_collapse) | |
936 | n = hists->entries_collapsed.rb_node; | |
937 | else | |
938 | n = hists->entries_in->rb_node; | |
95529be4 ACM |
939 | |
940 | while (n) { | |
ce74f60e NK |
941 | struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node_in); |
942 | int64_t cmp = hist_entry__collapse(iter, he); | |
95529be4 ACM |
943 | |
944 | if (cmp < 0) | |
945 | n = n->rb_left; | |
946 | else if (cmp > 0) | |
947 | n = n->rb_right; | |
948 | else | |
949 | return iter; | |
950 | } | |
951 | ||
952 | return NULL; | |
953 | } | |
954 | ||
955 | /* | |
956 | * Look for pairs to link to the leader buckets (hist_entries): | |
957 | */ | |
958 | void hists__match(struct hists *leader, struct hists *other) | |
959 | { | |
ce74f60e | 960 | struct rb_root *root; |
95529be4 ACM |
961 | struct rb_node *nd; |
962 | struct hist_entry *pos, *pair; | |
963 | ||
ce74f60e NK |
964 | if (sort__need_collapse) |
965 | root = &leader->entries_collapsed; | |
966 | else | |
967 | root = leader->entries_in; | |
968 | ||
969 | for (nd = rb_first(root); nd; nd = rb_next(nd)) { | |
970 | pos = rb_entry(nd, struct hist_entry, rb_node_in); | |
95529be4 ACM |
971 | pair = hists__find_entry(other, pos); |
972 | ||
973 | if (pair) | |
5fa9041b | 974 | hist_entry__add_pair(pair, pos); |
95529be4 ACM |
975 | } |
976 | } | |
494d70a1 ACM |
977 | |
978 | /* | |
979 | * Look for entries in the other hists that are not present in the leader, if | |
980 | * we find them, just add a dummy entry on the leader hists, with period=0, | |
981 | * nr_events=0, to serve as the list header. | |
982 | */ | |
983 | int hists__link(struct hists *leader, struct hists *other) | |
984 | { | |
ce74f60e | 985 | struct rb_root *root; |
494d70a1 ACM |
986 | struct rb_node *nd; |
987 | struct hist_entry *pos, *pair; | |
988 | ||
ce74f60e NK |
989 | if (sort__need_collapse) |
990 | root = &other->entries_collapsed; | |
991 | else | |
992 | root = other->entries_in; | |
993 | ||
994 | for (nd = rb_first(root); nd; nd = rb_next(nd)) { | |
995 | pos = rb_entry(nd, struct hist_entry, rb_node_in); | |
494d70a1 ACM |
996 | |
997 | if (!hist_entry__has_pairs(pos)) { | |
998 | pair = hists__add_dummy_entry(leader, pos); | |
999 | if (pair == NULL) | |
1000 | return -1; | |
5fa9041b | 1001 | hist_entry__add_pair(pos, pair); |
494d70a1 ACM |
1002 | } |
1003 | } | |
1004 | ||
1005 | return 0; | |
1006 | } |