Commit | Line | Data |
---|---|---|
8a0ecfb8 | 1 | #include "util.h" |
598357eb | 2 | #include "build-id.h" |
3d1d07ec | 3 | #include "hist.h" |
4e4f06e4 ACM |
4 | #include "session.h" |
5 | #include "sort.h" | |
2a1731fb | 6 | #include "evlist.h" |
29d720ed | 7 | #include "evsel.h" |
69bcb019 | 8 | #include "annotate.h" |
740b97f9 | 9 | #include "ui/progress.h" |
9b33827d | 10 | #include <math.h> |
3d1d07ec | 11 | |
90cf1fb5 ACM |
12 | static bool hists__filter_entry_by_dso(struct hists *hists, |
13 | struct hist_entry *he); | |
14 | static bool hists__filter_entry_by_thread(struct hists *hists, | |
15 | struct hist_entry *he); | |
e94d53eb NK |
16 | static bool hists__filter_entry_by_symbol(struct hists *hists, |
17 | struct hist_entry *he); | |
21394d94 KL |
18 | static bool hists__filter_entry_by_socket(struct hists *hists, |
19 | struct hist_entry *he); | |
90cf1fb5 | 20 | |
42b28ac0 | 21 | u16 hists__col_len(struct hists *hists, enum hist_column col) |
8a6c5b26 | 22 | { |
42b28ac0 | 23 | return hists->col_len[col]; |
8a6c5b26 ACM |
24 | } |
25 | ||
42b28ac0 | 26 | void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len) |
8a6c5b26 | 27 | { |
42b28ac0 | 28 | hists->col_len[col] = len; |
8a6c5b26 ACM |
29 | } |
30 | ||
42b28ac0 | 31 | bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len) |
8a6c5b26 | 32 | { |
42b28ac0 ACM |
33 | if (len > hists__col_len(hists, col)) { |
34 | hists__set_col_len(hists, col, len); | |
8a6c5b26 ACM |
35 | return true; |
36 | } | |
37 | return false; | |
38 | } | |
39 | ||
7ccf4f90 | 40 | void hists__reset_col_len(struct hists *hists) |
8a6c5b26 ACM |
41 | { |
42 | enum hist_column col; | |
43 | ||
44 | for (col = 0; col < HISTC_NR_COLS; ++col) | |
42b28ac0 | 45 | hists__set_col_len(hists, col, 0); |
8a6c5b26 ACM |
46 | } |
47 | ||
b5387528 RAV |
48 | static void hists__set_unres_dso_col_len(struct hists *hists, int dso) |
49 | { | |
50 | const unsigned int unresolved_col_width = BITS_PER_LONG / 4; | |
51 | ||
52 | if (hists__col_len(hists, dso) < unresolved_col_width && | |
53 | !symbol_conf.col_width_list_str && !symbol_conf.field_sep && | |
54 | !symbol_conf.dso_list) | |
55 | hists__set_col_len(hists, dso, unresolved_col_width); | |
56 | } | |
57 | ||
7ccf4f90 | 58 | void hists__calc_col_len(struct hists *hists, struct hist_entry *h) |
8a6c5b26 | 59 | { |
b5387528 | 60 | const unsigned int unresolved_col_width = BITS_PER_LONG / 4; |
98a3b32c | 61 | int symlen; |
8a6c5b26 ACM |
62 | u16 len; |
63 | ||
ded19d57 NK |
64 | /* |
65 | * +4 accounts for '[x] ' priv level info | |
66 | * +2 accounts for 0x prefix on raw addresses | |
67 | * +3 accounts for ' y ' symtab origin info | |
68 | */ | |
69 | if (h->ms.sym) { | |
70 | symlen = h->ms.sym->namelen + 4; | |
71 | if (verbose) | |
72 | symlen += BITS_PER_LONG / 4 + 2 + 3; | |
73 | hists__new_col_len(hists, HISTC_SYMBOL, symlen); | |
74 | } else { | |
98a3b32c SE |
75 | symlen = unresolved_col_width + 4 + 2; |
76 | hists__new_col_len(hists, HISTC_SYMBOL, symlen); | |
b5387528 | 77 | hists__set_unres_dso_col_len(hists, HISTC_DSO); |
98a3b32c | 78 | } |
8a6c5b26 ACM |
79 | |
80 | len = thread__comm_len(h->thread); | |
42b28ac0 ACM |
81 | if (hists__new_col_len(hists, HISTC_COMM, len)) |
82 | hists__set_col_len(hists, HISTC_THREAD, len + 6); | |
8a6c5b26 ACM |
83 | |
84 | if (h->ms.map) { | |
85 | len = dso__name_len(h->ms.map->dso); | |
42b28ac0 | 86 | hists__new_col_len(hists, HISTC_DSO, len); |
8a6c5b26 | 87 | } |
b5387528 | 88 | |
cb993744 NK |
89 | if (h->parent) |
90 | hists__new_col_len(hists, HISTC_PARENT, h->parent->namelen); | |
91 | ||
b5387528 | 92 | if (h->branch_info) { |
b5387528 RAV |
93 | if (h->branch_info->from.sym) { |
94 | symlen = (int)h->branch_info->from.sym->namelen + 4; | |
ded19d57 NK |
95 | if (verbose) |
96 | symlen += BITS_PER_LONG / 4 + 2 + 3; | |
b5387528 RAV |
97 | hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen); |
98 | ||
99 | symlen = dso__name_len(h->branch_info->from.map->dso); | |
100 | hists__new_col_len(hists, HISTC_DSO_FROM, symlen); | |
101 | } else { | |
102 | symlen = unresolved_col_width + 4 + 2; | |
103 | hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen); | |
104 | hists__set_unres_dso_col_len(hists, HISTC_DSO_FROM); | |
105 | } | |
106 | ||
107 | if (h->branch_info->to.sym) { | |
108 | symlen = (int)h->branch_info->to.sym->namelen + 4; | |
ded19d57 NK |
109 | if (verbose) |
110 | symlen += BITS_PER_LONG / 4 + 2 + 3; | |
b5387528 RAV |
111 | hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen); |
112 | ||
113 | symlen = dso__name_len(h->branch_info->to.map->dso); | |
114 | hists__new_col_len(hists, HISTC_DSO_TO, symlen); | |
115 | } else { | |
116 | symlen = unresolved_col_width + 4 + 2; | |
117 | hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen); | |
118 | hists__set_unres_dso_col_len(hists, HISTC_DSO_TO); | |
119 | } | |
120 | } | |
98a3b32c SE |
121 | |
122 | if (h->mem_info) { | |
98a3b32c SE |
123 | if (h->mem_info->daddr.sym) { |
124 | symlen = (int)h->mem_info->daddr.sym->namelen + 4 | |
125 | + unresolved_col_width + 2; | |
126 | hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, | |
127 | symlen); | |
9b32ba71 DZ |
128 | hists__new_col_len(hists, HISTC_MEM_DCACHELINE, |
129 | symlen + 1); | |
98a3b32c SE |
130 | } else { |
131 | symlen = unresolved_col_width + 4 + 2; | |
132 | hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, | |
133 | symlen); | |
0805909f JO |
134 | hists__new_col_len(hists, HISTC_MEM_DCACHELINE, |
135 | symlen); | |
98a3b32c | 136 | } |
b34b3bf0 JO |
137 | |
138 | if (h->mem_info->iaddr.sym) { | |
139 | symlen = (int)h->mem_info->iaddr.sym->namelen + 4 | |
140 | + unresolved_col_width + 2; | |
141 | hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL, | |
142 | symlen); | |
143 | } else { | |
144 | symlen = unresolved_col_width + 4 + 2; | |
145 | hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL, | |
146 | symlen); | |
147 | } | |
148 | ||
98a3b32c SE |
149 | if (h->mem_info->daddr.map) { |
150 | symlen = dso__name_len(h->mem_info->daddr.map->dso); | |
151 | hists__new_col_len(hists, HISTC_MEM_DADDR_DSO, | |
152 | symlen); | |
153 | } else { | |
154 | symlen = unresolved_col_width + 4 + 2; | |
155 | hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO); | |
156 | } | |
157 | } else { | |
158 | symlen = unresolved_col_width + 4 + 2; | |
159 | hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen); | |
b34b3bf0 | 160 | hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL, symlen); |
98a3b32c SE |
161 | hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO); |
162 | } | |
163 | ||
a4978eca | 164 | hists__new_col_len(hists, HISTC_CPU, 3); |
2e7ea3ab | 165 | hists__new_col_len(hists, HISTC_SOCKET, 6); |
98a3b32c SE |
166 | hists__new_col_len(hists, HISTC_MEM_LOCKED, 6); |
167 | hists__new_col_len(hists, HISTC_MEM_TLB, 22); | |
168 | hists__new_col_len(hists, HISTC_MEM_SNOOP, 12); | |
169 | hists__new_col_len(hists, HISTC_MEM_LVL, 21 + 3); | |
170 | hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12); | |
171 | hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12); | |
475eeab9 | 172 | |
e8e6d37e ACM |
173 | if (h->srcline) |
174 | hists__new_col_len(hists, HISTC_SRCLINE, strlen(h->srcline)); | |
175 | ||
31191a85 AK |
176 | if (h->srcfile) |
177 | hists__new_col_len(hists, HISTC_SRCFILE, strlen(h->srcfile)); | |
178 | ||
475eeab9 AK |
179 | if (h->transaction) |
180 | hists__new_col_len(hists, HISTC_TRANSACTION, | |
181 | hist_entry__transaction_len()); | |
0c0af78d NK |
182 | |
183 | if (h->trace_output) | |
184 | hists__new_col_len(hists, HISTC_TRACE, strlen(h->trace_output)); | |
8a6c5b26 ACM |
185 | } |
186 | ||
7ccf4f90 NK |
187 | void hists__output_recalc_col_len(struct hists *hists, int max_rows) |
188 | { | |
189 | struct rb_node *next = rb_first(&hists->entries); | |
190 | struct hist_entry *n; | |
191 | int row = 0; | |
192 | ||
193 | hists__reset_col_len(hists); | |
194 | ||
195 | while (next && row++ < max_rows) { | |
196 | n = rb_entry(next, struct hist_entry, rb_node); | |
197 | if (!n->filtered) | |
198 | hists__calc_col_len(hists, n); | |
199 | next = rb_next(&n->rb_node); | |
200 | } | |
201 | } | |
202 | ||
f39056f9 NK |
203 | static void he_stat__add_cpumode_period(struct he_stat *he_stat, |
204 | unsigned int cpumode, u64 period) | |
a1645ce1 | 205 | { |
28e2a106 | 206 | switch (cpumode) { |
a1645ce1 | 207 | case PERF_RECORD_MISC_KERNEL: |
f39056f9 | 208 | he_stat->period_sys += period; |
a1645ce1 ZY |
209 | break; |
210 | case PERF_RECORD_MISC_USER: | |
f39056f9 | 211 | he_stat->period_us += period; |
a1645ce1 ZY |
212 | break; |
213 | case PERF_RECORD_MISC_GUEST_KERNEL: | |
f39056f9 | 214 | he_stat->period_guest_sys += period; |
a1645ce1 ZY |
215 | break; |
216 | case PERF_RECORD_MISC_GUEST_USER: | |
f39056f9 | 217 | he_stat->period_guest_us += period; |
a1645ce1 ZY |
218 | break; |
219 | default: | |
220 | break; | |
221 | } | |
222 | } | |
223 | ||
05484298 AK |
224 | static void he_stat__add_period(struct he_stat *he_stat, u64 period, |
225 | u64 weight) | |
139c0815 | 226 | { |
98a3b32c | 227 | |
139c0815 | 228 | he_stat->period += period; |
05484298 | 229 | he_stat->weight += weight; |
139c0815 NK |
230 | he_stat->nr_events += 1; |
231 | } | |
232 | ||
233 | static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) | |
234 | { | |
235 | dest->period += src->period; | |
236 | dest->period_sys += src->period_sys; | |
237 | dest->period_us += src->period_us; | |
238 | dest->period_guest_sys += src->period_guest_sys; | |
239 | dest->period_guest_us += src->period_guest_us; | |
240 | dest->nr_events += src->nr_events; | |
05484298 | 241 | dest->weight += src->weight; |
139c0815 NK |
242 | } |
243 | ||
f39056f9 | 244 | static void he_stat__decay(struct he_stat *he_stat) |
ab81f3fd | 245 | { |
f39056f9 NK |
246 | he_stat->period = (he_stat->period * 7) / 8; |
247 | he_stat->nr_events = (he_stat->nr_events * 7) / 8; | |
05484298 | 248 | /* XXX need decay for weight too? */ |
ab81f3fd ACM |
249 | } |
250 | ||
5d8200ae NK |
251 | static void hists__delete_entry(struct hists *hists, struct hist_entry *he); |
252 | ||
ab81f3fd ACM |
253 | static bool hists__decay_entry(struct hists *hists, struct hist_entry *he) |
254 | { | |
b24c28f7 | 255 | u64 prev_period = he->stat.period; |
3186b681 | 256 | u64 diff; |
c64550cf ACM |
257 | |
258 | if (prev_period == 0) | |
df71d95f | 259 | return true; |
c64550cf | 260 | |
f39056f9 | 261 | he_stat__decay(&he->stat); |
f8be1c8c NK |
262 | if (symbol_conf.cumulate_callchain) |
263 | he_stat__decay(he->stat_acc); | |
42b276a2 | 264 | decay_callchain(he->callchain); |
c64550cf | 265 | |
3186b681 NK |
266 | diff = prev_period - he->stat.period; |
267 | ||
5d8200ae NK |
268 | if (!he->depth) { |
269 | hists->stats.total_period -= diff; | |
270 | if (!he->filtered) | |
271 | hists->stats.total_non_filtered_period -= diff; | |
272 | } | |
273 | ||
274 | if (!he->leaf) { | |
275 | struct hist_entry *child; | |
276 | struct rb_node *node = rb_first(&he->hroot_out); | |
277 | while (node) { | |
278 | child = rb_entry(node, struct hist_entry, rb_node); | |
279 | node = rb_next(node); | |
280 | ||
281 | if (hists__decay_entry(hists, child)) | |
282 | hists__delete_entry(hists, child); | |
283 | } | |
284 | } | |
c64550cf | 285 | |
b24c28f7 | 286 | return he->stat.period == 0; |
ab81f3fd ACM |
287 | } |
288 | ||
956b65e1 ACM |
289 | static void hists__delete_entry(struct hists *hists, struct hist_entry *he) |
290 | { | |
5d8200ae NK |
291 | struct rb_root *root_in; |
292 | struct rb_root *root_out; | |
293 | ||
294 | if (he->parent_he) { | |
295 | root_in = &he->parent_he->hroot_in; | |
296 | root_out = &he->parent_he->hroot_out; | |
297 | } else { | |
298 | if (sort__need_collapse) | |
299 | root_in = &hists->entries_collapsed; | |
300 | else | |
301 | root_in = hists->entries_in; | |
302 | root_out = &hists->entries; | |
303 | } | |
956b65e1 | 304 | |
5d8200ae NK |
305 | rb_erase(&he->rb_node_in, root_in); |
306 | rb_erase(&he->rb_node, root_out); | |
956b65e1 ACM |
307 | |
308 | --hists->nr_entries; | |
309 | if (!he->filtered) | |
310 | --hists->nr_non_filtered_entries; | |
311 | ||
312 | hist_entry__delete(he); | |
313 | } | |
314 | ||
3a5714f8 | 315 | void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel) |
ab81f3fd ACM |
316 | { |
317 | struct rb_node *next = rb_first(&hists->entries); | |
318 | struct hist_entry *n; | |
319 | ||
320 | while (next) { | |
321 | n = rb_entry(next, struct hist_entry, rb_node); | |
322 | next = rb_next(&n->rb_node); | |
b079d4e9 ACM |
323 | if (((zap_user && n->level == '.') || |
324 | (zap_kernel && n->level != '.') || | |
4c47f4fc | 325 | hists__decay_entry(hists, n))) { |
956b65e1 | 326 | hists__delete_entry(hists, n); |
ab81f3fd ACM |
327 | } |
328 | } | |
329 | } | |
330 | ||
701937bd NK |
331 | void hists__delete_entries(struct hists *hists) |
332 | { | |
333 | struct rb_node *next = rb_first(&hists->entries); | |
334 | struct hist_entry *n; | |
335 | ||
336 | while (next) { | |
337 | n = rb_entry(next, struct hist_entry, rb_node); | |
338 | next = rb_next(&n->rb_node); | |
339 | ||
956b65e1 | 340 | hists__delete_entry(hists, n); |
701937bd NK |
341 | } |
342 | } | |
343 | ||
3d1d07ec | 344 | /* |
c82ee828 | 345 | * histogram, sorted on item, collects periods |
3d1d07ec JK |
346 | */ |
347 | ||
a0b51af3 NK |
348 | static struct hist_entry *hist_entry__new(struct hist_entry *template, |
349 | bool sample_self) | |
28e2a106 | 350 | { |
f8be1c8c NK |
351 | size_t callchain_size = 0; |
352 | struct hist_entry *he; | |
353 | ||
82aa019e | 354 | if (symbol_conf.use_callchain) |
f8be1c8c NK |
355 | callchain_size = sizeof(struct callchain_root); |
356 | ||
357 | he = zalloc(sizeof(*he) + callchain_size); | |
28e2a106 | 358 | |
12c14278 ACM |
359 | if (he != NULL) { |
360 | *he = *template; | |
c4b35351 | 361 | |
f8be1c8c NK |
362 | if (symbol_conf.cumulate_callchain) { |
363 | he->stat_acc = malloc(sizeof(he->stat)); | |
364 | if (he->stat_acc == NULL) { | |
365 | free(he); | |
366 | return NULL; | |
367 | } | |
368 | memcpy(he->stat_acc, &he->stat, sizeof(he->stat)); | |
a0b51af3 NK |
369 | if (!sample_self) |
370 | memset(&he->stat, 0, sizeof(he->stat)); | |
f8be1c8c NK |
371 | } |
372 | ||
5c24b67a | 373 | map__get(he->ms.map); |
3cf0cb1f SE |
374 | |
375 | if (he->branch_info) { | |
26353a61 NK |
376 | /* |
377 | * This branch info is (a part of) allocated from | |
644f2df2 | 378 | * sample__resolve_bstack() and will be freed after |
26353a61 NK |
379 | * adding new entries. So we need to save a copy. |
380 | */ | |
381 | he->branch_info = malloc(sizeof(*he->branch_info)); | |
382 | if (he->branch_info == NULL) { | |
5c24b67a | 383 | map__zput(he->ms.map); |
f8be1c8c | 384 | free(he->stat_acc); |
26353a61 NK |
385 | free(he); |
386 | return NULL; | |
387 | } | |
388 | ||
389 | memcpy(he->branch_info, template->branch_info, | |
390 | sizeof(*he->branch_info)); | |
391 | ||
5c24b67a ACM |
392 | map__get(he->branch_info->from.map); |
393 | map__get(he->branch_info->to.map); | |
3cf0cb1f SE |
394 | } |
395 | ||
98a3b32c | 396 | if (he->mem_info) { |
5c24b67a ACM |
397 | map__get(he->mem_info->iaddr.map); |
398 | map__get(he->mem_info->daddr.map); | |
98a3b32c SE |
399 | } |
400 | ||
28e2a106 | 401 | if (symbol_conf.use_callchain) |
12c14278 | 402 | callchain_init(he->callchain); |
b821c732 | 403 | |
72392834 NK |
404 | if (he->raw_data) { |
405 | he->raw_data = memdup(he->raw_data, he->raw_size); | |
406 | ||
407 | if (he->raw_data == NULL) { | |
408 | map__put(he->ms.map); | |
409 | if (he->branch_info) { | |
410 | map__put(he->branch_info->from.map); | |
411 | map__put(he->branch_info->to.map); | |
412 | free(he->branch_info); | |
413 | } | |
414 | if (he->mem_info) { | |
415 | map__put(he->mem_info->iaddr.map); | |
416 | map__put(he->mem_info->daddr.map); | |
417 | } | |
418 | free(he->stat_acc); | |
419 | free(he); | |
420 | return NULL; | |
421 | } | |
422 | } | |
b821c732 | 423 | INIT_LIST_HEAD(&he->pairs.node); |
f3b623b8 | 424 | thread__get(he->thread); |
aef810ec NK |
425 | |
426 | if (!symbol_conf.report_hierarchy) | |
427 | he->leaf = true; | |
28e2a106 ACM |
428 | } |
429 | ||
12c14278 | 430 | return he; |
28e2a106 ACM |
431 | } |
432 | ||
7a007ca9 ACM |
433 | static u8 symbol__parent_filter(const struct symbol *parent) |
434 | { | |
435 | if (symbol_conf.exclude_other && parent == NULL) | |
436 | return 1 << HIST_FILTER__PARENT; | |
437 | return 0; | |
438 | } | |
439 | ||
467ef10c NK |
440 | static void hist_entry__add_callchain_period(struct hist_entry *he, u64 period) |
441 | { | |
442 | if (!symbol_conf.use_callchain) | |
443 | return; | |
444 | ||
445 | he->hists->callchain_period += period; | |
446 | if (!he->filtered) | |
447 | he->hists->callchain_non_filtered_period += period; | |
448 | } | |
449 | ||
e7e0efcd ACM |
450 | static struct hist_entry *hists__findnew_entry(struct hists *hists, |
451 | struct hist_entry *entry, | |
452 | struct addr_location *al, | |
453 | bool sample_self) | |
9735abf1 | 454 | { |
1980c2eb | 455 | struct rb_node **p; |
9735abf1 ACM |
456 | struct rb_node *parent = NULL; |
457 | struct hist_entry *he; | |
354cc40e | 458 | int64_t cmp; |
f1cbf78d NK |
459 | u64 period = entry->stat.period; |
460 | u64 weight = entry->stat.weight; | |
9735abf1 | 461 | |
1980c2eb ACM |
462 | p = &hists->entries_in->rb_node; |
463 | ||
9735abf1 ACM |
464 | while (*p != NULL) { |
465 | parent = *p; | |
1980c2eb | 466 | he = rb_entry(parent, struct hist_entry, rb_node_in); |
9735abf1 | 467 | |
9afcf930 NK |
468 | /* |
469 | * Make sure that it receives arguments in a same order as | |
470 | * hist_entry__collapse() so that we can use an appropriate | |
471 | * function when searching an entry regardless which sort | |
472 | * keys were used. | |
473 | */ | |
474 | cmp = hist_entry__cmp(he, entry); | |
9735abf1 ACM |
475 | |
476 | if (!cmp) { | |
0f58474e | 477 | if (sample_self) { |
a0b51af3 | 478 | he_stat__add_period(&he->stat, period, weight); |
467ef10c | 479 | hist_entry__add_callchain_period(he, period); |
0f58474e | 480 | } |
f8be1c8c NK |
481 | if (symbol_conf.cumulate_callchain) |
482 | he_stat__add_period(he->stat_acc, period, weight); | |
63fa471d | 483 | |
ceb2acbc | 484 | /* |
e80faac0 | 485 | * This mem info was allocated from sample__resolve_mem |
ceb2acbc NK |
486 | * and will not be used anymore. |
487 | */ | |
74cf249d | 488 | zfree(&entry->mem_info); |
ceb2acbc | 489 | |
63fa471d DM |
490 | /* If the map of an existing hist_entry has |
491 | * become out-of-date due to an exec() or | |
492 | * similar, update it. Otherwise we will | |
493 | * mis-adjust symbol addresses when computing | |
494 | * the history counter to increment. | |
495 | */ | |
496 | if (he->ms.map != entry->ms.map) { | |
5c24b67a ACM |
497 | map__put(he->ms.map); |
498 | he->ms.map = map__get(entry->ms.map); | |
63fa471d | 499 | } |
28e2a106 | 500 | goto out; |
9735abf1 ACM |
501 | } |
502 | ||
503 | if (cmp < 0) | |
504 | p = &(*p)->rb_left; | |
505 | else | |
506 | p = &(*p)->rb_right; | |
507 | } | |
508 | ||
a0b51af3 | 509 | he = hist_entry__new(entry, sample_self); |
9735abf1 | 510 | if (!he) |
27a0dcb7 | 511 | return NULL; |
1980c2eb | 512 | |
0f58474e | 513 | if (sample_self) |
467ef10c NK |
514 | hist_entry__add_callchain_period(he, period); |
515 | hists->nr_entries++; | |
590cd344 | 516 | |
1980c2eb ACM |
517 | rb_link_node(&he->rb_node_in, parent, p); |
518 | rb_insert_color(&he->rb_node_in, hists->entries_in); | |
28e2a106 | 519 | out: |
a0b51af3 NK |
520 | if (sample_self) |
521 | he_stat__add_cpumode_period(&he->stat, al->cpumode, period); | |
f8be1c8c NK |
522 | if (symbol_conf.cumulate_callchain) |
523 | he_stat__add_cpumode_period(he->stat_acc, al->cpumode, period); | |
9735abf1 ACM |
524 | return he; |
525 | } | |
526 | ||
c824c433 | 527 | struct hist_entry *__hists__add_entry(struct hists *hists, |
b5387528 | 528 | struct addr_location *al, |
41a4e6e2 NK |
529 | struct symbol *sym_parent, |
530 | struct branch_info *bi, | |
531 | struct mem_info *mi, | |
fd36f3dd | 532 | struct perf_sample *sample, |
a0b51af3 | 533 | bool sample_self) |
b5387528 RAV |
534 | { |
535 | struct hist_entry entry = { | |
536 | .thread = al->thread, | |
4dfced35 | 537 | .comm = thread__comm(al->thread), |
b5387528 RAV |
538 | .ms = { |
539 | .map = al->map, | |
540 | .sym = al->sym, | |
541 | }, | |
0c4c4deb | 542 | .socket = al->socket, |
7365be55 DZ |
543 | .cpu = al->cpu, |
544 | .cpumode = al->cpumode, | |
545 | .ip = al->addr, | |
546 | .level = al->level, | |
b24c28f7 | 547 | .stat = { |
c4b35351 | 548 | .nr_events = 1, |
fd36f3dd NK |
549 | .period = sample->period, |
550 | .weight = sample->weight, | |
b24c28f7 | 551 | }, |
b5387528 | 552 | .parent = sym_parent, |
2c86c7ca | 553 | .filtered = symbol__parent_filter(sym_parent) | al->filtered, |
c824c433 | 554 | .hists = hists, |
41a4e6e2 NK |
555 | .branch_info = bi, |
556 | .mem_info = mi, | |
fd36f3dd | 557 | .transaction = sample->transaction, |
72392834 NK |
558 | .raw_data = sample->raw_data, |
559 | .raw_size = sample->raw_size, | |
b5387528 RAV |
560 | }; |
561 | ||
e7e0efcd | 562 | return hists__findnew_entry(hists, &entry, al, sample_self); |
b5387528 RAV |
563 | } |
564 | ||
69bcb019 NK |
565 | static int |
566 | iter_next_nop_entry(struct hist_entry_iter *iter __maybe_unused, | |
567 | struct addr_location *al __maybe_unused) | |
568 | { | |
569 | return 0; | |
570 | } | |
571 | ||
572 | static int | |
573 | iter_add_next_nop_entry(struct hist_entry_iter *iter __maybe_unused, | |
574 | struct addr_location *al __maybe_unused) | |
575 | { | |
576 | return 0; | |
577 | } | |
578 | ||
579 | static int | |
580 | iter_prepare_mem_entry(struct hist_entry_iter *iter, struct addr_location *al) | |
581 | { | |
582 | struct perf_sample *sample = iter->sample; | |
583 | struct mem_info *mi; | |
584 | ||
585 | mi = sample__resolve_mem(sample, al); | |
586 | if (mi == NULL) | |
587 | return -ENOMEM; | |
588 | ||
589 | iter->priv = mi; | |
590 | return 0; | |
591 | } | |
592 | ||
593 | static int | |
594 | iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al) | |
595 | { | |
596 | u64 cost; | |
597 | struct mem_info *mi = iter->priv; | |
4ea062ed | 598 | struct hists *hists = evsel__hists(iter->evsel); |
fd36f3dd | 599 | struct perf_sample *sample = iter->sample; |
69bcb019 NK |
600 | struct hist_entry *he; |
601 | ||
602 | if (mi == NULL) | |
603 | return -EINVAL; | |
604 | ||
fd36f3dd | 605 | cost = sample->weight; |
69bcb019 NK |
606 | if (!cost) |
607 | cost = 1; | |
608 | ||
609 | /* | |
610 | * must pass period=weight in order to get the correct | |
611 | * sorting from hists__collapse_resort() which is solely | |
612 | * based on periods. We want sorting be done on nr_events * weight | |
613 | * and this is indirectly achieved by passing period=weight here | |
614 | * and the he_stat__add_period() function. | |
615 | */ | |
fd36f3dd NK |
616 | sample->period = cost; |
617 | ||
4ea062ed | 618 | he = __hists__add_entry(hists, al, iter->parent, NULL, mi, |
fd36f3dd | 619 | sample, true); |
69bcb019 NK |
620 | if (!he) |
621 | return -ENOMEM; | |
622 | ||
623 | iter->he = he; | |
624 | return 0; | |
625 | } | |
626 | ||
627 | static int | |
9d3c02d7 NK |
628 | iter_finish_mem_entry(struct hist_entry_iter *iter, |
629 | struct addr_location *al __maybe_unused) | |
69bcb019 NK |
630 | { |
631 | struct perf_evsel *evsel = iter->evsel; | |
4ea062ed | 632 | struct hists *hists = evsel__hists(evsel); |
69bcb019 | 633 | struct hist_entry *he = iter->he; |
69bcb019 NK |
634 | int err = -EINVAL; |
635 | ||
636 | if (he == NULL) | |
637 | goto out; | |
638 | ||
4ea062ed | 639 | hists__inc_nr_samples(hists, he->filtered); |
69bcb019 NK |
640 | |
641 | err = hist_entry__append_callchain(he, iter->sample); | |
642 | ||
643 | out: | |
644 | /* | |
e7e0efcd ACM |
645 | * We don't need to free iter->priv (mem_info) here since the mem info |
646 | * was either already freed in hists__findnew_entry() or passed to a | |
647 | * new hist entry by hist_entry__new(). | |
69bcb019 NK |
648 | */ |
649 | iter->priv = NULL; | |
650 | ||
651 | iter->he = NULL; | |
652 | return err; | |
653 | } | |
654 | ||
655 | static int | |
656 | iter_prepare_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) | |
657 | { | |
658 | struct branch_info *bi; | |
659 | struct perf_sample *sample = iter->sample; | |
660 | ||
661 | bi = sample__resolve_bstack(sample, al); | |
662 | if (!bi) | |
663 | return -ENOMEM; | |
664 | ||
665 | iter->curr = 0; | |
666 | iter->total = sample->branch_stack->nr; | |
667 | ||
668 | iter->priv = bi; | |
669 | return 0; | |
670 | } | |
671 | ||
672 | static int | |
673 | iter_add_single_branch_entry(struct hist_entry_iter *iter __maybe_unused, | |
674 | struct addr_location *al __maybe_unused) | |
675 | { | |
9d3c02d7 NK |
676 | /* to avoid calling callback function */ |
677 | iter->he = NULL; | |
678 | ||
69bcb019 NK |
679 | return 0; |
680 | } | |
681 | ||
682 | static int | |
683 | iter_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) | |
684 | { | |
685 | struct branch_info *bi = iter->priv; | |
686 | int i = iter->curr; | |
687 | ||
688 | if (bi == NULL) | |
689 | return 0; | |
690 | ||
691 | if (iter->curr >= iter->total) | |
692 | return 0; | |
693 | ||
694 | al->map = bi[i].to.map; | |
695 | al->sym = bi[i].to.sym; | |
696 | al->addr = bi[i].to.addr; | |
697 | return 1; | |
698 | } | |
699 | ||
700 | static int | |
701 | iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) | |
702 | { | |
9d3c02d7 | 703 | struct branch_info *bi; |
69bcb019 | 704 | struct perf_evsel *evsel = iter->evsel; |
4ea062ed | 705 | struct hists *hists = evsel__hists(evsel); |
fd36f3dd | 706 | struct perf_sample *sample = iter->sample; |
69bcb019 NK |
707 | struct hist_entry *he = NULL; |
708 | int i = iter->curr; | |
709 | int err = 0; | |
710 | ||
711 | bi = iter->priv; | |
712 | ||
713 | if (iter->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) | |
714 | goto out; | |
715 | ||
716 | /* | |
717 | * The report shows the percentage of total branches captured | |
718 | * and not events sampled. Thus we use a pseudo period of 1. | |
719 | */ | |
fd36f3dd NK |
720 | sample->period = 1; |
721 | sample->weight = bi->flags.cycles ? bi->flags.cycles : 1; | |
722 | ||
4ea062ed | 723 | he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL, |
fd36f3dd | 724 | sample, true); |
69bcb019 NK |
725 | if (he == NULL) |
726 | return -ENOMEM; | |
727 | ||
4ea062ed | 728 | hists__inc_nr_samples(hists, he->filtered); |
69bcb019 NK |
729 | |
730 | out: | |
731 | iter->he = he; | |
732 | iter->curr++; | |
733 | return err; | |
734 | } | |
735 | ||
736 | static int | |
737 | iter_finish_branch_entry(struct hist_entry_iter *iter, | |
738 | struct addr_location *al __maybe_unused) | |
739 | { | |
740 | zfree(&iter->priv); | |
741 | iter->he = NULL; | |
742 | ||
743 | return iter->curr >= iter->total ? 0 : -1; | |
744 | } | |
745 | ||
746 | static int | |
747 | iter_prepare_normal_entry(struct hist_entry_iter *iter __maybe_unused, | |
748 | struct addr_location *al __maybe_unused) | |
749 | { | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static int | |
754 | iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location *al) | |
755 | { | |
756 | struct perf_evsel *evsel = iter->evsel; | |
757 | struct perf_sample *sample = iter->sample; | |
758 | struct hist_entry *he; | |
759 | ||
4ea062ed | 760 | he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL, |
fd36f3dd | 761 | sample, true); |
69bcb019 NK |
762 | if (he == NULL) |
763 | return -ENOMEM; | |
764 | ||
765 | iter->he = he; | |
766 | return 0; | |
767 | } | |
768 | ||
769 | static int | |
9d3c02d7 NK |
770 | iter_finish_normal_entry(struct hist_entry_iter *iter, |
771 | struct addr_location *al __maybe_unused) | |
69bcb019 | 772 | { |
69bcb019 NK |
773 | struct hist_entry *he = iter->he; |
774 | struct perf_evsel *evsel = iter->evsel; | |
775 | struct perf_sample *sample = iter->sample; | |
776 | ||
777 | if (he == NULL) | |
778 | return 0; | |
779 | ||
780 | iter->he = NULL; | |
781 | ||
4ea062ed | 782 | hists__inc_nr_samples(evsel__hists(evsel), he->filtered); |
69bcb019 NK |
783 | |
784 | return hist_entry__append_callchain(he, sample); | |
785 | } | |
786 | ||
7a13aa28 | 787 | static int |
96b40f3c | 788 | iter_prepare_cumulative_entry(struct hist_entry_iter *iter, |
7a13aa28 NK |
789 | struct addr_location *al __maybe_unused) |
790 | { | |
b4d3c8bd NK |
791 | struct hist_entry **he_cache; |
792 | ||
7a13aa28 | 793 | callchain_cursor_commit(&callchain_cursor); |
b4d3c8bd NK |
794 | |
795 | /* | |
796 | * This is for detecting cycles or recursions so that they're | |
797 | * cumulated only one time to prevent entries more than 100% | |
798 | * overhead. | |
799 | */ | |
96b40f3c | 800 | he_cache = malloc(sizeof(*he_cache) * (iter->max_stack + 1)); |
b4d3c8bd NK |
801 | if (he_cache == NULL) |
802 | return -ENOMEM; | |
803 | ||
804 | iter->priv = he_cache; | |
805 | iter->curr = 0; | |
806 | ||
7a13aa28 NK |
807 | return 0; |
808 | } | |
809 | ||
810 | static int | |
811 | iter_add_single_cumulative_entry(struct hist_entry_iter *iter, | |
812 | struct addr_location *al) | |
813 | { | |
814 | struct perf_evsel *evsel = iter->evsel; | |
4ea062ed | 815 | struct hists *hists = evsel__hists(evsel); |
7a13aa28 | 816 | struct perf_sample *sample = iter->sample; |
b4d3c8bd | 817 | struct hist_entry **he_cache = iter->priv; |
7a13aa28 NK |
818 | struct hist_entry *he; |
819 | int err = 0; | |
820 | ||
4ea062ed | 821 | he = __hists__add_entry(hists, al, iter->parent, NULL, NULL, |
fd36f3dd | 822 | sample, true); |
7a13aa28 NK |
823 | if (he == NULL) |
824 | return -ENOMEM; | |
825 | ||
826 | iter->he = he; | |
b4d3c8bd | 827 | he_cache[iter->curr++] = he; |
7a13aa28 | 828 | |
82aa019e | 829 | hist_entry__append_callchain(he, sample); |
be7f855a NK |
830 | |
831 | /* | |
832 | * We need to re-initialize the cursor since callchain_append() | |
833 | * advanced the cursor to the end. | |
834 | */ | |
835 | callchain_cursor_commit(&callchain_cursor); | |
836 | ||
4ea062ed | 837 | hists__inc_nr_samples(hists, he->filtered); |
7a13aa28 NK |
838 | |
839 | return err; | |
840 | } | |
841 | ||
842 | static int | |
843 | iter_next_cumulative_entry(struct hist_entry_iter *iter, | |
844 | struct addr_location *al) | |
845 | { | |
846 | struct callchain_cursor_node *node; | |
847 | ||
848 | node = callchain_cursor_current(&callchain_cursor); | |
849 | if (node == NULL) | |
850 | return 0; | |
851 | ||
c7405d85 | 852 | return fill_callchain_info(al, node, iter->hide_unresolved); |
7a13aa28 NK |
853 | } |
854 | ||
855 | static int | |
856 | iter_add_next_cumulative_entry(struct hist_entry_iter *iter, | |
857 | struct addr_location *al) | |
858 | { | |
859 | struct perf_evsel *evsel = iter->evsel; | |
860 | struct perf_sample *sample = iter->sample; | |
b4d3c8bd | 861 | struct hist_entry **he_cache = iter->priv; |
7a13aa28 | 862 | struct hist_entry *he; |
b4d3c8bd | 863 | struct hist_entry he_tmp = { |
5cef8976 | 864 | .hists = evsel__hists(evsel), |
b4d3c8bd NK |
865 | .cpu = al->cpu, |
866 | .thread = al->thread, | |
867 | .comm = thread__comm(al->thread), | |
868 | .ip = al->addr, | |
869 | .ms = { | |
870 | .map = al->map, | |
871 | .sym = al->sym, | |
872 | }, | |
873 | .parent = iter->parent, | |
72392834 NK |
874 | .raw_data = sample->raw_data, |
875 | .raw_size = sample->raw_size, | |
b4d3c8bd NK |
876 | }; |
877 | int i; | |
be7f855a NK |
878 | struct callchain_cursor cursor; |
879 | ||
880 | callchain_cursor_snapshot(&cursor, &callchain_cursor); | |
881 | ||
882 | callchain_cursor_advance(&callchain_cursor); | |
b4d3c8bd NK |
883 | |
884 | /* | |
885 | * Check if there's duplicate entries in the callchain. | |
886 | * It's possible that it has cycles or recursive calls. | |
887 | */ | |
888 | for (i = 0; i < iter->curr; i++) { | |
9d3c02d7 NK |
889 | if (hist_entry__cmp(he_cache[i], &he_tmp) == 0) { |
890 | /* to avoid calling callback function */ | |
891 | iter->he = NULL; | |
b4d3c8bd | 892 | return 0; |
9d3c02d7 | 893 | } |
b4d3c8bd | 894 | } |
7a13aa28 | 895 | |
4ea062ed | 896 | he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL, |
fd36f3dd | 897 | sample, false); |
7a13aa28 NK |
898 | if (he == NULL) |
899 | return -ENOMEM; | |
900 | ||
901 | iter->he = he; | |
b4d3c8bd | 902 | he_cache[iter->curr++] = he; |
7a13aa28 | 903 | |
82aa019e NK |
904 | if (symbol_conf.use_callchain) |
905 | callchain_append(he->callchain, &cursor, sample->period); | |
7a13aa28 NK |
906 | return 0; |
907 | } | |
908 | ||
909 | static int | |
910 | iter_finish_cumulative_entry(struct hist_entry_iter *iter, | |
911 | struct addr_location *al __maybe_unused) | |
912 | { | |
b4d3c8bd | 913 | zfree(&iter->priv); |
7a13aa28 | 914 | iter->he = NULL; |
b4d3c8bd | 915 | |
7a13aa28 NK |
916 | return 0; |
917 | } | |
918 | ||
69bcb019 NK |
919 | const struct hist_iter_ops hist_iter_mem = { |
920 | .prepare_entry = iter_prepare_mem_entry, | |
921 | .add_single_entry = iter_add_single_mem_entry, | |
922 | .next_entry = iter_next_nop_entry, | |
923 | .add_next_entry = iter_add_next_nop_entry, | |
924 | .finish_entry = iter_finish_mem_entry, | |
925 | }; | |
926 | ||
927 | const struct hist_iter_ops hist_iter_branch = { | |
928 | .prepare_entry = iter_prepare_branch_entry, | |
929 | .add_single_entry = iter_add_single_branch_entry, | |
930 | .next_entry = iter_next_branch_entry, | |
931 | .add_next_entry = iter_add_next_branch_entry, | |
932 | .finish_entry = iter_finish_branch_entry, | |
933 | }; | |
934 | ||
935 | const struct hist_iter_ops hist_iter_normal = { | |
936 | .prepare_entry = iter_prepare_normal_entry, | |
937 | .add_single_entry = iter_add_single_normal_entry, | |
938 | .next_entry = iter_next_nop_entry, | |
939 | .add_next_entry = iter_add_next_nop_entry, | |
940 | .finish_entry = iter_finish_normal_entry, | |
941 | }; | |
942 | ||
7a13aa28 NK |
943 | const struct hist_iter_ops hist_iter_cumulative = { |
944 | .prepare_entry = iter_prepare_cumulative_entry, | |
945 | .add_single_entry = iter_add_single_cumulative_entry, | |
946 | .next_entry = iter_next_cumulative_entry, | |
947 | .add_next_entry = iter_add_next_cumulative_entry, | |
948 | .finish_entry = iter_finish_cumulative_entry, | |
949 | }; | |
950 | ||
69bcb019 | 951 | int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al, |
9d3c02d7 | 952 | int max_stack_depth, void *arg) |
69bcb019 NK |
953 | { |
954 | int err, err2; | |
955 | ||
063bd936 NK |
956 | err = sample__resolve_callchain(iter->sample, &iter->parent, |
957 | iter->evsel, al, max_stack_depth); | |
69bcb019 NK |
958 | if (err) |
959 | return err; | |
960 | ||
96b40f3c AH |
961 | iter->max_stack = max_stack_depth; |
962 | ||
69bcb019 NK |
963 | err = iter->ops->prepare_entry(iter, al); |
964 | if (err) | |
965 | goto out; | |
966 | ||
967 | err = iter->ops->add_single_entry(iter, al); | |
968 | if (err) | |
969 | goto out; | |
970 | ||
9d3c02d7 NK |
971 | if (iter->he && iter->add_entry_cb) { |
972 | err = iter->add_entry_cb(iter, al, true, arg); | |
973 | if (err) | |
974 | goto out; | |
975 | } | |
976 | ||
69bcb019 NK |
977 | while (iter->ops->next_entry(iter, al)) { |
978 | err = iter->ops->add_next_entry(iter, al); | |
979 | if (err) | |
980 | break; | |
9d3c02d7 NK |
981 | |
982 | if (iter->he && iter->add_entry_cb) { | |
983 | err = iter->add_entry_cb(iter, al, false, arg); | |
984 | if (err) | |
985 | goto out; | |
986 | } | |
69bcb019 NK |
987 | } |
988 | ||
989 | out: | |
990 | err2 = iter->ops->finish_entry(iter, al); | |
991 | if (!err) | |
992 | err = err2; | |
993 | ||
994 | return err; | |
995 | } | |
996 | ||
3d1d07ec JK |
997 | int64_t |
998 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
999 | { | |
aa6f50af | 1000 | struct hists *hists = left->hists; |
093f0ef3 | 1001 | struct perf_hpp_fmt *fmt; |
3d1d07ec JK |
1002 | int64_t cmp = 0; |
1003 | ||
aa6f50af | 1004 | hists__for_each_sort_list(hists, fmt) { |
84b6ee8e NK |
1005 | if (perf_hpp__is_dynamic_entry(fmt) && |
1006 | !perf_hpp__defined_dynamic_entry(fmt, hists)) | |
1007 | continue; | |
1008 | ||
87bbdf76 | 1009 | cmp = fmt->cmp(fmt, left, right); |
3d1d07ec JK |
1010 | if (cmp) |
1011 | break; | |
1012 | } | |
1013 | ||
1014 | return cmp; | |
1015 | } | |
1016 | ||
1017 | int64_t | |
1018 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
1019 | { | |
aa6f50af | 1020 | struct hists *hists = left->hists; |
093f0ef3 | 1021 | struct perf_hpp_fmt *fmt; |
3d1d07ec JK |
1022 | int64_t cmp = 0; |
1023 | ||
aa6f50af | 1024 | hists__for_each_sort_list(hists, fmt) { |
84b6ee8e NK |
1025 | if (perf_hpp__is_dynamic_entry(fmt) && |
1026 | !perf_hpp__defined_dynamic_entry(fmt, hists)) | |
1027 | continue; | |
1028 | ||
87bbdf76 | 1029 | cmp = fmt->collapse(fmt, left, right); |
3d1d07ec JK |
1030 | if (cmp) |
1031 | break; | |
1032 | } | |
1033 | ||
1034 | return cmp; | |
1035 | } | |
1036 | ||
6733d1bf | 1037 | void hist_entry__delete(struct hist_entry *he) |
3d1d07ec | 1038 | { |
f3b623b8 | 1039 | thread__zput(he->thread); |
5c24b67a ACM |
1040 | map__zput(he->ms.map); |
1041 | ||
1042 | if (he->branch_info) { | |
1043 | map__zput(he->branch_info->from.map); | |
1044 | map__zput(he->branch_info->to.map); | |
1045 | zfree(&he->branch_info); | |
1046 | } | |
1047 | ||
1048 | if (he->mem_info) { | |
1049 | map__zput(he->mem_info->iaddr.map); | |
1050 | map__zput(he->mem_info->daddr.map); | |
1051 | zfree(&he->mem_info); | |
1052 | } | |
1053 | ||
f8be1c8c | 1054 | zfree(&he->stat_acc); |
f048d548 | 1055 | free_srcline(he->srcline); |
31191a85 AK |
1056 | if (he->srcfile && he->srcfile[0]) |
1057 | free(he->srcfile); | |
d114960c | 1058 | free_callchain(he->callchain); |
60517d28 | 1059 | free(he->trace_output); |
72392834 | 1060 | free(he->raw_data); |
3d1d07ec JK |
1061 | free(he); |
1062 | } | |
1063 | ||
89fee709 ACM |
1064 | /* |
1065 | * If this is not the last column, then we need to pad it according to the | |
1066 | * pre-calculated max lenght for this column, otherwise don't bother adding | |
1067 | * spaces because that would break viewing this with, for instance, 'less', | |
1068 | * that would show tons of trailing spaces when a long C++ demangled method | |
1069 | * names is sampled. | |
1070 | */ | |
1071 | int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp, | |
1072 | struct perf_hpp_fmt *fmt, int printed) | |
1073 | { | |
1074 | if (!list_is_last(&fmt->list, &he->hists->hpp_list->fields)) { | |
1075 | const int width = fmt->width(fmt, hpp, hists_to_evsel(he->hists)); | |
1076 | if (printed < width) { | |
1077 | advance_hpp(hpp, printed); | |
1078 | printed = scnprintf(hpp->buf, hpp->size, "%-*s", width - printed, " "); | |
1079 | } | |
1080 | } | |
1081 | ||
1082 | return printed; | |
1083 | } | |
1084 | ||
3d1d07ec JK |
1085 | /* |
1086 | * collapse the histogram | |
1087 | */ | |
1088 | ||
aef810ec NK |
1089 | static void hists__apply_filters(struct hists *hists, struct hist_entry *he); |
1090 | ||
1091 | static struct hist_entry *hierarchy_insert_entry(struct hists *hists, | |
1092 | struct rb_root *root, | |
1093 | struct hist_entry *he, | |
1094 | struct perf_hpp_fmt *fmt) | |
1095 | { | |
1096 | struct rb_node **p = &root->rb_node; | |
1097 | struct rb_node *parent = NULL; | |
1098 | struct hist_entry *iter, *new; | |
1099 | int64_t cmp; | |
1100 | ||
1101 | while (*p != NULL) { | |
1102 | parent = *p; | |
1103 | iter = rb_entry(parent, struct hist_entry, rb_node_in); | |
1104 | ||
1105 | cmp = fmt->collapse(fmt, iter, he); | |
1106 | if (!cmp) { | |
1107 | he_stat__add_stat(&iter->stat, &he->stat); | |
1108 | return iter; | |
1109 | } | |
1110 | ||
1111 | if (cmp < 0) | |
1112 | p = &parent->rb_left; | |
1113 | else | |
1114 | p = &parent->rb_right; | |
1115 | } | |
1116 | ||
1117 | new = hist_entry__new(he, true); | |
1118 | if (new == NULL) | |
1119 | return NULL; | |
1120 | ||
1121 | hists__apply_filters(hists, new); | |
1122 | hists->nr_entries++; | |
1123 | ||
1124 | /* save related format for output */ | |
1125 | new->fmt = fmt; | |
1126 | ||
1127 | /* some fields are now passed to 'new' */ | |
e049d4a3 | 1128 | if (perf_hpp__is_trace_entry(fmt) || perf_hpp__is_dynamic_entry(fmt)) |
aef810ec NK |
1129 | he->trace_output = NULL; |
1130 | else | |
1131 | new->trace_output = NULL; | |
1132 | ||
1133 | if (perf_hpp__is_srcline_entry(fmt)) | |
1134 | he->srcline = NULL; | |
1135 | else | |
1136 | new->srcline = NULL; | |
1137 | ||
1138 | if (perf_hpp__is_srcfile_entry(fmt)) | |
1139 | he->srcfile = NULL; | |
1140 | else | |
1141 | new->srcfile = NULL; | |
1142 | ||
1143 | rb_link_node(&new->rb_node_in, parent, p); | |
1144 | rb_insert_color(&new->rb_node_in, root); | |
1145 | return new; | |
1146 | } | |
1147 | ||
1148 | static int hists__hierarchy_insert_entry(struct hists *hists, | |
1149 | struct rb_root *root, | |
1150 | struct hist_entry *he) | |
1151 | { | |
1152 | struct perf_hpp_fmt *fmt; | |
1153 | struct hist_entry *new_he = NULL; | |
1154 | struct hist_entry *parent = NULL; | |
1155 | int depth = 0; | |
1156 | int ret = 0; | |
1157 | ||
1158 | hists__for_each_sort_list(hists, fmt) { | |
1159 | if (!perf_hpp__is_sort_entry(fmt) && | |
1160 | !perf_hpp__is_dynamic_entry(fmt)) | |
1161 | continue; | |
1162 | if (perf_hpp__should_skip(fmt, hists)) | |
1163 | continue; | |
1164 | ||
1165 | /* insert copy of 'he' for each fmt into the hierarchy */ | |
1166 | new_he = hierarchy_insert_entry(hists, root, he, fmt); | |
1167 | if (new_he == NULL) { | |
1168 | ret = -1; | |
1169 | break; | |
1170 | } | |
1171 | ||
1172 | root = &new_he->hroot_in; | |
1173 | new_he->parent_he = parent; | |
1174 | new_he->depth = depth++; | |
1175 | parent = new_he; | |
1176 | } | |
1177 | ||
1178 | if (new_he) { | |
1179 | new_he->leaf = true; | |
1180 | ||
1181 | if (symbol_conf.use_callchain) { | |
1182 | callchain_cursor_reset(&callchain_cursor); | |
1183 | if (callchain_merge(&callchain_cursor, | |
1184 | new_he->callchain, | |
1185 | he->callchain) < 0) | |
1186 | ret = -1; | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | /* 'he' is no longer used */ | |
1191 | hist_entry__delete(he); | |
1192 | ||
1193 | /* return 0 (or -1) since it already applied filters */ | |
1194 | return ret; | |
1195 | } | |
1196 | ||
bba58cdf NK |
1197 | int hists__collapse_insert_entry(struct hists *hists, struct rb_root *root, |
1198 | struct hist_entry *he) | |
3d1d07ec | 1199 | { |
b9bf0892 | 1200 | struct rb_node **p = &root->rb_node; |
3d1d07ec JK |
1201 | struct rb_node *parent = NULL; |
1202 | struct hist_entry *iter; | |
1203 | int64_t cmp; | |
1204 | ||
aef810ec NK |
1205 | if (symbol_conf.report_hierarchy) |
1206 | return hists__hierarchy_insert_entry(hists, root, he); | |
1207 | ||
3d1d07ec JK |
1208 | while (*p != NULL) { |
1209 | parent = *p; | |
1980c2eb | 1210 | iter = rb_entry(parent, struct hist_entry, rb_node_in); |
3d1d07ec JK |
1211 | |
1212 | cmp = hist_entry__collapse(iter, he); | |
1213 | ||
1214 | if (!cmp) { | |
bba58cdf NK |
1215 | int ret = 0; |
1216 | ||
139c0815 | 1217 | he_stat__add_stat(&iter->stat, &he->stat); |
f8be1c8c NK |
1218 | if (symbol_conf.cumulate_callchain) |
1219 | he_stat__add_stat(iter->stat_acc, he->stat_acc); | |
9ec60972 | 1220 | |
1b3a0e95 | 1221 | if (symbol_conf.use_callchain) { |
47260645 | 1222 | callchain_cursor_reset(&callchain_cursor); |
bba58cdf NK |
1223 | if (callchain_merge(&callchain_cursor, |
1224 | iter->callchain, | |
1225 | he->callchain) < 0) | |
1226 | ret = -1; | |
1b3a0e95 | 1227 | } |
6733d1bf | 1228 | hist_entry__delete(he); |
bba58cdf | 1229 | return ret; |
3d1d07ec JK |
1230 | } |
1231 | ||
1232 | if (cmp < 0) | |
1233 | p = &(*p)->rb_left; | |
1234 | else | |
1235 | p = &(*p)->rb_right; | |
1236 | } | |
740b97f9 | 1237 | hists->nr_entries++; |
3d1d07ec | 1238 | |
1980c2eb ACM |
1239 | rb_link_node(&he->rb_node_in, parent, p); |
1240 | rb_insert_color(&he->rb_node_in, root); | |
bba58cdf | 1241 | return 1; |
3d1d07ec JK |
1242 | } |
1243 | ||
fc284be9 | 1244 | struct rb_root *hists__get_rotate_entries_in(struct hists *hists) |
3d1d07ec | 1245 | { |
1980c2eb ACM |
1246 | struct rb_root *root; |
1247 | ||
1248 | pthread_mutex_lock(&hists->lock); | |
1249 | ||
1250 | root = hists->entries_in; | |
1251 | if (++hists->entries_in > &hists->entries_in_array[1]) | |
1252 | hists->entries_in = &hists->entries_in_array[0]; | |
1253 | ||
1254 | pthread_mutex_unlock(&hists->lock); | |
1255 | ||
1256 | return root; | |
1257 | } | |
1258 | ||
90cf1fb5 ACM |
1259 | static void hists__apply_filters(struct hists *hists, struct hist_entry *he) |
1260 | { | |
1261 | hists__filter_entry_by_dso(hists, he); | |
1262 | hists__filter_entry_by_thread(hists, he); | |
e94d53eb | 1263 | hists__filter_entry_by_symbol(hists, he); |
21394d94 | 1264 | hists__filter_entry_by_socket(hists, he); |
90cf1fb5 ACM |
1265 | } |
1266 | ||
bba58cdf | 1267 | int hists__collapse_resort(struct hists *hists, struct ui_progress *prog) |
1980c2eb ACM |
1268 | { |
1269 | struct rb_root *root; | |
3d1d07ec JK |
1270 | struct rb_node *next; |
1271 | struct hist_entry *n; | |
bba58cdf | 1272 | int ret; |
3d1d07ec | 1273 | |
3a5714f8 | 1274 | if (!sort__need_collapse) |
bba58cdf | 1275 | return 0; |
3d1d07ec | 1276 | |
740b97f9 NK |
1277 | hists->nr_entries = 0; |
1278 | ||
1980c2eb | 1279 | root = hists__get_rotate_entries_in(hists); |
740b97f9 | 1280 | |
1980c2eb | 1281 | next = rb_first(root); |
b9bf0892 | 1282 | |
3d1d07ec | 1283 | while (next) { |
33e940a2 ACM |
1284 | if (session_done()) |
1285 | break; | |
1980c2eb ACM |
1286 | n = rb_entry(next, struct hist_entry, rb_node_in); |
1287 | next = rb_next(&n->rb_node_in); | |
3d1d07ec | 1288 | |
1980c2eb | 1289 | rb_erase(&n->rb_node_in, root); |
bba58cdf NK |
1290 | ret = hists__collapse_insert_entry(hists, &hists->entries_collapsed, n); |
1291 | if (ret < 0) | |
1292 | return -1; | |
1293 | ||
1294 | if (ret) { | |
90cf1fb5 ACM |
1295 | /* |
1296 | * If it wasn't combined with one of the entries already | |
1297 | * collapsed, we need to apply the filters that may have | |
1298 | * been set by, say, the hist_browser. | |
1299 | */ | |
1300 | hists__apply_filters(hists, n); | |
90cf1fb5 | 1301 | } |
c1fb5651 NK |
1302 | if (prog) |
1303 | ui_progress__update(prog, 1); | |
3d1d07ec | 1304 | } |
bba58cdf | 1305 | return 0; |
1980c2eb | 1306 | } |
b9bf0892 | 1307 | |
043ca389 | 1308 | static int hist_entry__sort(struct hist_entry *a, struct hist_entry *b) |
29d720ed | 1309 | { |
aa6f50af | 1310 | struct hists *hists = a->hists; |
043ca389 NK |
1311 | struct perf_hpp_fmt *fmt; |
1312 | int64_t cmp = 0; | |
29d720ed | 1313 | |
aa6f50af | 1314 | hists__for_each_sort_list(hists, fmt) { |
361459f1 | 1315 | if (perf_hpp__should_skip(fmt, a->hists)) |
e67d49a7 NK |
1316 | continue; |
1317 | ||
87bbdf76 | 1318 | cmp = fmt->sort(fmt, a, b); |
043ca389 | 1319 | if (cmp) |
29d720ed NK |
1320 | break; |
1321 | } | |
1322 | ||
043ca389 | 1323 | return cmp; |
29d720ed NK |
1324 | } |
1325 | ||
9283ba9b NK |
1326 | static void hists__reset_filter_stats(struct hists *hists) |
1327 | { | |
1328 | hists->nr_non_filtered_entries = 0; | |
1329 | hists->stats.total_non_filtered_period = 0; | |
1330 | } | |
1331 | ||
1332 | void hists__reset_stats(struct hists *hists) | |
1333 | { | |
1334 | hists->nr_entries = 0; | |
1335 | hists->stats.total_period = 0; | |
1336 | ||
1337 | hists__reset_filter_stats(hists); | |
1338 | } | |
1339 | ||
1340 | static void hists__inc_filter_stats(struct hists *hists, struct hist_entry *h) | |
1341 | { | |
1342 | hists->nr_non_filtered_entries++; | |
1343 | hists->stats.total_non_filtered_period += h->stat.period; | |
1344 | } | |
1345 | ||
1346 | void hists__inc_stats(struct hists *hists, struct hist_entry *h) | |
1347 | { | |
1348 | if (!h->filtered) | |
1349 | hists__inc_filter_stats(hists, h); | |
1350 | ||
1351 | hists->nr_entries++; | |
1352 | hists->stats.total_period += h->stat.period; | |
1353 | } | |
1354 | ||
1a3906a7 NK |
1355 | static void hierarchy_insert_output_entry(struct rb_root *root, |
1356 | struct hist_entry *he) | |
1357 | { | |
1358 | struct rb_node **p = &root->rb_node; | |
1359 | struct rb_node *parent = NULL; | |
1360 | struct hist_entry *iter; | |
1361 | ||
1362 | while (*p != NULL) { | |
1363 | parent = *p; | |
1364 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
1365 | ||
1366 | if (hist_entry__sort(he, iter) > 0) | |
1367 | p = &parent->rb_left; | |
1368 | else | |
1369 | p = &parent->rb_right; | |
1370 | } | |
1371 | ||
1372 | rb_link_node(&he->rb_node, parent, p); | |
1373 | rb_insert_color(&he->rb_node, root); | |
abab5e7f NK |
1374 | |
1375 | /* update column width of dynamic entry */ | |
1376 | if (perf_hpp__is_dynamic_entry(he->fmt)) | |
1377 | he->fmt->sort(he->fmt, he, NULL); | |
1a3906a7 NK |
1378 | } |
1379 | ||
1380 | static void hists__hierarchy_output_resort(struct hists *hists, | |
1381 | struct ui_progress *prog, | |
1382 | struct rb_root *root_in, | |
1383 | struct rb_root *root_out, | |
1384 | u64 min_callchain_hits, | |
1385 | bool use_callchain) | |
1386 | { | |
1387 | struct rb_node *node; | |
1388 | struct hist_entry *he; | |
1389 | ||
1390 | *root_out = RB_ROOT; | |
1391 | node = rb_first(root_in); | |
1392 | ||
1393 | while (node) { | |
1394 | he = rb_entry(node, struct hist_entry, rb_node_in); | |
1395 | node = rb_next(node); | |
1396 | ||
1397 | hierarchy_insert_output_entry(root_out, he); | |
1398 | ||
1399 | if (prog) | |
1400 | ui_progress__update(prog, 1); | |
1401 | ||
1402 | if (!he->leaf) { | |
1403 | hists__hierarchy_output_resort(hists, prog, | |
1404 | &he->hroot_in, | |
1405 | &he->hroot_out, | |
1406 | min_callchain_hits, | |
1407 | use_callchain); | |
1408 | hists->nr_entries++; | |
1409 | if (!he->filtered) { | |
1410 | hists->nr_non_filtered_entries++; | |
1411 | hists__calc_col_len(hists, he); | |
1412 | } | |
1413 | ||
1414 | continue; | |
1415 | } | |
1416 | ||
1417 | /* only update stat for leaf entries to avoid duplication */ | |
1418 | hists__inc_stats(hists, he); | |
1419 | if (!he->filtered) | |
1420 | hists__calc_col_len(hists, he); | |
1421 | ||
1422 | if (!use_callchain) | |
1423 | continue; | |
1424 | ||
1425 | if (callchain_param.mode == CHAIN_GRAPH_REL) { | |
1426 | u64 total = he->stat.period; | |
1427 | ||
1428 | if (symbol_conf.cumulate_callchain) | |
1429 | total = he->stat_acc->period; | |
1430 | ||
1431 | min_callchain_hits = total * (callchain_param.min_percent / 100); | |
1432 | } | |
1433 | ||
1434 | callchain_param.sort(&he->sorted_chain, he->callchain, | |
1435 | min_callchain_hits, &callchain_param); | |
1436 | } | |
1437 | } | |
1438 | ||
1c02c4d2 ACM |
1439 | static void __hists__insert_output_entry(struct rb_root *entries, |
1440 | struct hist_entry *he, | |
f9db0d0f KL |
1441 | u64 min_callchain_hits, |
1442 | bool use_callchain) | |
3d1d07ec | 1443 | { |
1c02c4d2 | 1444 | struct rb_node **p = &entries->rb_node; |
3d1d07ec JK |
1445 | struct rb_node *parent = NULL; |
1446 | struct hist_entry *iter; | |
abab5e7f | 1447 | struct perf_hpp_fmt *fmt; |
3d1d07ec | 1448 | |
744070e0 NK |
1449 | if (use_callchain) { |
1450 | if (callchain_param.mode == CHAIN_GRAPH_REL) { | |
1451 | u64 total = he->stat.period; | |
1452 | ||
1453 | if (symbol_conf.cumulate_callchain) | |
1454 | total = he->stat_acc->period; | |
1455 | ||
1456 | min_callchain_hits = total * (callchain_param.min_percent / 100); | |
1457 | } | |
b9fb9304 | 1458 | callchain_param.sort(&he->sorted_chain, he->callchain, |
3d1d07ec | 1459 | min_callchain_hits, &callchain_param); |
744070e0 | 1460 | } |
3d1d07ec JK |
1461 | |
1462 | while (*p != NULL) { | |
1463 | parent = *p; | |
1464 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
1465 | ||
043ca389 | 1466 | if (hist_entry__sort(he, iter) > 0) |
3d1d07ec JK |
1467 | p = &(*p)->rb_left; |
1468 | else | |
1469 | p = &(*p)->rb_right; | |
1470 | } | |
1471 | ||
1472 | rb_link_node(&he->rb_node, parent, p); | |
1c02c4d2 | 1473 | rb_insert_color(&he->rb_node, entries); |
abab5e7f NK |
1474 | |
1475 | perf_hpp_list__for_each_sort_list(&perf_hpp_list, fmt) { | |
1476 | if (perf_hpp__is_dynamic_entry(fmt) && | |
1477 | perf_hpp__defined_dynamic_entry(fmt, he->hists)) | |
1478 | fmt->sort(fmt, he, NULL); /* update column width */ | |
1479 | } | |
3d1d07ec JK |
1480 | } |
1481 | ||
01441af5 JO |
1482 | static void output_resort(struct hists *hists, struct ui_progress *prog, |
1483 | bool use_callchain) | |
3d1d07ec | 1484 | { |
1980c2eb | 1485 | struct rb_root *root; |
3d1d07ec JK |
1486 | struct rb_node *next; |
1487 | struct hist_entry *n; | |
467ef10c | 1488 | u64 callchain_total; |
3d1d07ec JK |
1489 | u64 min_callchain_hits; |
1490 | ||
467ef10c NK |
1491 | callchain_total = hists->callchain_period; |
1492 | if (symbol_conf.filter_relative) | |
1493 | callchain_total = hists->callchain_non_filtered_period; | |
1494 | ||
1495 | min_callchain_hits = callchain_total * (callchain_param.min_percent / 100); | |
3d1d07ec | 1496 | |
1a3906a7 NK |
1497 | hists__reset_stats(hists); |
1498 | hists__reset_col_len(hists); | |
1499 | ||
1500 | if (symbol_conf.report_hierarchy) { | |
1501 | return hists__hierarchy_output_resort(hists, prog, | |
1502 | &hists->entries_collapsed, | |
1503 | &hists->entries, | |
1504 | min_callchain_hits, | |
1505 | use_callchain); | |
1506 | } | |
1507 | ||
3a5714f8 | 1508 | if (sort__need_collapse) |
1980c2eb ACM |
1509 | root = &hists->entries_collapsed; |
1510 | else | |
1511 | root = hists->entries_in; | |
1512 | ||
1513 | next = rb_first(root); | |
1514 | hists->entries = RB_ROOT; | |
3d1d07ec JK |
1515 | |
1516 | while (next) { | |
1980c2eb ACM |
1517 | n = rb_entry(next, struct hist_entry, rb_node_in); |
1518 | next = rb_next(&n->rb_node_in); | |
3d1d07ec | 1519 | |
f9db0d0f | 1520 | __hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain); |
6263835a | 1521 | hists__inc_stats(hists, n); |
ae993efc NK |
1522 | |
1523 | if (!n->filtered) | |
1524 | hists__calc_col_len(hists, n); | |
740b97f9 NK |
1525 | |
1526 | if (prog) | |
1527 | ui_progress__update(prog, 1); | |
3d1d07ec | 1528 | } |
1980c2eb | 1529 | } |
b9bf0892 | 1530 | |
452ce03b | 1531 | void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog) |
01441af5 | 1532 | { |
01441af5 JO |
1533 | bool use_callchain; |
1534 | ||
1535 | if (evsel && symbol_conf.use_callchain && !symbol_conf.show_ref_callgraph) | |
1536 | use_callchain = evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN; | |
1537 | else | |
1538 | use_callchain = symbol_conf.use_callchain; | |
1539 | ||
452ce03b JO |
1540 | output_resort(evsel__hists(evsel), prog, use_callchain); |
1541 | } | |
1542 | ||
1543 | void hists__output_resort(struct hists *hists, struct ui_progress *prog) | |
1544 | { | |
1545 | output_resort(hists, prog, symbol_conf.use_callchain); | |
01441af5 JO |
1546 | } |
1547 | ||
8c01872f NK |
1548 | static bool can_goto_child(struct hist_entry *he, enum hierarchy_move_dir hmd) |
1549 | { | |
1550 | if (he->leaf || hmd == HMD_FORCE_SIBLING) | |
1551 | return false; | |
1552 | ||
1553 | if (he->unfolded || hmd == HMD_FORCE_CHILD) | |
1554 | return true; | |
1555 | ||
1556 | return false; | |
1557 | } | |
1558 | ||
1559 | struct rb_node *rb_hierarchy_last(struct rb_node *node) | |
1560 | { | |
1561 | struct hist_entry *he = rb_entry(node, struct hist_entry, rb_node); | |
1562 | ||
1563 | while (can_goto_child(he, HMD_NORMAL)) { | |
1564 | node = rb_last(&he->hroot_out); | |
1565 | he = rb_entry(node, struct hist_entry, rb_node); | |
1566 | } | |
1567 | return node; | |
1568 | } | |
1569 | ||
1570 | struct rb_node *__rb_hierarchy_next(struct rb_node *node, enum hierarchy_move_dir hmd) | |
1571 | { | |
1572 | struct hist_entry *he = rb_entry(node, struct hist_entry, rb_node); | |
1573 | ||
1574 | if (can_goto_child(he, hmd)) | |
1575 | node = rb_first(&he->hroot_out); | |
1576 | else | |
1577 | node = rb_next(node); | |
1578 | ||
1579 | while (node == NULL) { | |
1580 | he = he->parent_he; | |
1581 | if (he == NULL) | |
1582 | break; | |
1583 | ||
1584 | node = rb_next(&he->rb_node); | |
1585 | } | |
1586 | return node; | |
1587 | } | |
1588 | ||
1589 | struct rb_node *rb_hierarchy_prev(struct rb_node *node) | |
1590 | { | |
1591 | struct hist_entry *he = rb_entry(node, struct hist_entry, rb_node); | |
1592 | ||
1593 | node = rb_prev(node); | |
1594 | if (node) | |
1595 | return rb_hierarchy_last(node); | |
1596 | ||
1597 | he = he->parent_he; | |
1598 | if (he == NULL) | |
1599 | return NULL; | |
1600 | ||
1601 | return &he->rb_node; | |
1602 | } | |
1603 | ||
a7b5895b NK |
1604 | bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit) |
1605 | { | |
1606 | struct rb_node *node; | |
1607 | struct hist_entry *child; | |
1608 | float percent; | |
1609 | ||
1610 | if (he->leaf) | |
1611 | return false; | |
1612 | ||
1613 | node = rb_first(&he->hroot_out); | |
1614 | child = rb_entry(node, struct hist_entry, rb_node); | |
1615 | ||
1616 | while (node && child->filtered) { | |
1617 | node = rb_next(node); | |
1618 | child = rb_entry(node, struct hist_entry, rb_node); | |
1619 | } | |
1620 | ||
1621 | if (node) | |
1622 | percent = hist_entry__get_percent_limit(child); | |
1623 | else | |
1624 | percent = 0; | |
1625 | ||
1626 | return node && percent >= limit; | |
1627 | } | |
1628 | ||
42b28ac0 | 1629 | static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h, |
cc5edb0e ACM |
1630 | enum hist_filter filter) |
1631 | { | |
1632 | h->filtered &= ~(1 << filter); | |
155e9aff NK |
1633 | |
1634 | if (symbol_conf.report_hierarchy) { | |
1635 | struct hist_entry *parent = h->parent_he; | |
1636 | ||
1637 | while (parent) { | |
1638 | he_stat__add_stat(&parent->stat, &h->stat); | |
1639 | ||
1640 | parent->filtered &= ~(1 << filter); | |
1641 | ||
1642 | if (parent->filtered) | |
1643 | goto next; | |
1644 | ||
1645 | /* force fold unfiltered entry for simplicity */ | |
1646 | parent->unfolded = false; | |
79dded87 | 1647 | parent->has_no_entry = false; |
155e9aff NK |
1648 | parent->row_offset = 0; |
1649 | parent->nr_rows = 0; | |
1650 | next: | |
1651 | parent = parent->parent_he; | |
1652 | } | |
1653 | } | |
1654 | ||
cc5edb0e ACM |
1655 | if (h->filtered) |
1656 | return; | |
1657 | ||
87e90f43 | 1658 | /* force fold unfiltered entry for simplicity */ |
3698dab1 | 1659 | h->unfolded = false; |
79dded87 | 1660 | h->has_no_entry = false; |
0f0cbf7a | 1661 | h->row_offset = 0; |
a8cd1f43 | 1662 | h->nr_rows = 0; |
9283ba9b | 1663 | |
1ab1fa5d | 1664 | hists->stats.nr_non_filtered_samples += h->stat.nr_events; |
cc5edb0e | 1665 | |
9283ba9b | 1666 | hists__inc_filter_stats(hists, h); |
42b28ac0 | 1667 | hists__calc_col_len(hists, h); |
cc5edb0e ACM |
1668 | } |
1669 | ||
90cf1fb5 ACM |
1670 | |
1671 | static bool hists__filter_entry_by_dso(struct hists *hists, | |
1672 | struct hist_entry *he) | |
1673 | { | |
1674 | if (hists->dso_filter != NULL && | |
1675 | (he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) { | |
1676 | he->filtered |= (1 << HIST_FILTER__DSO); | |
1677 | return true; | |
1678 | } | |
1679 | ||
1680 | return false; | |
1681 | } | |
1682 | ||
90cf1fb5 ACM |
1683 | static bool hists__filter_entry_by_thread(struct hists *hists, |
1684 | struct hist_entry *he) | |
1685 | { | |
1686 | if (hists->thread_filter != NULL && | |
1687 | he->thread != hists->thread_filter) { | |
1688 | he->filtered |= (1 << HIST_FILTER__THREAD); | |
1689 | return true; | |
1690 | } | |
1691 | ||
1692 | return false; | |
1693 | } | |
1694 | ||
e94d53eb NK |
1695 | static bool hists__filter_entry_by_symbol(struct hists *hists, |
1696 | struct hist_entry *he) | |
1697 | { | |
1698 | if (hists->symbol_filter_str != NULL && | |
1699 | (!he->ms.sym || strstr(he->ms.sym->name, | |
1700 | hists->symbol_filter_str) == NULL)) { | |
1701 | he->filtered |= (1 << HIST_FILTER__SYMBOL); | |
1702 | return true; | |
1703 | } | |
1704 | ||
1705 | return false; | |
1706 | } | |
1707 | ||
21394d94 KL |
1708 | static bool hists__filter_entry_by_socket(struct hists *hists, |
1709 | struct hist_entry *he) | |
1710 | { | |
1711 | if ((hists->socket_filter > -1) && | |
1712 | (he->socket != hists->socket_filter)) { | |
1713 | he->filtered |= (1 << HIST_FILTER__SOCKET); | |
1714 | return true; | |
1715 | } | |
1716 | ||
1717 | return false; | |
1718 | } | |
1719 | ||
1f7c2541 NK |
1720 | typedef bool (*filter_fn_t)(struct hists *hists, struct hist_entry *he); |
1721 | ||
1722 | static void hists__filter_by_type(struct hists *hists, int type, filter_fn_t filter) | |
84734b06 KL |
1723 | { |
1724 | struct rb_node *nd; | |
1725 | ||
1726 | hists->stats.nr_non_filtered_samples = 0; | |
1727 | ||
1728 | hists__reset_filter_stats(hists); | |
1729 | hists__reset_col_len(hists); | |
1730 | ||
1731 | for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { | |
1732 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
1733 | ||
1f7c2541 | 1734 | if (filter(hists, h)) |
84734b06 KL |
1735 | continue; |
1736 | ||
1f7c2541 | 1737 | hists__remove_entry_filter(hists, h, type); |
84734b06 KL |
1738 | } |
1739 | } | |
1740 | ||
70642850 NK |
1741 | static void resort_filtered_entry(struct rb_root *root, struct hist_entry *he) |
1742 | { | |
1743 | struct rb_node **p = &root->rb_node; | |
1744 | struct rb_node *parent = NULL; | |
1745 | struct hist_entry *iter; | |
1746 | struct rb_root new_root = RB_ROOT; | |
1747 | struct rb_node *nd; | |
1748 | ||
1749 | while (*p != NULL) { | |
1750 | parent = *p; | |
1751 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
1752 | ||
1753 | if (hist_entry__sort(he, iter) > 0) | |
1754 | p = &(*p)->rb_left; | |
1755 | else | |
1756 | p = &(*p)->rb_right; | |
1757 | } | |
1758 | ||
1759 | rb_link_node(&he->rb_node, parent, p); | |
1760 | rb_insert_color(&he->rb_node, root); | |
1761 | ||
1762 | if (he->leaf || he->filtered) | |
1763 | return; | |
1764 | ||
1765 | nd = rb_first(&he->hroot_out); | |
1766 | while (nd) { | |
1767 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
1768 | ||
1769 | nd = rb_next(nd); | |
1770 | rb_erase(&h->rb_node, &he->hroot_out); | |
1771 | ||
1772 | resort_filtered_entry(&new_root, h); | |
1773 | } | |
1774 | ||
1775 | he->hroot_out = new_root; | |
1776 | } | |
1777 | ||
155e9aff NK |
1778 | static void hists__filter_hierarchy(struct hists *hists, int type, const void *arg) |
1779 | { | |
1780 | struct rb_node *nd; | |
70642850 | 1781 | struct rb_root new_root = RB_ROOT; |
155e9aff NK |
1782 | |
1783 | hists->stats.nr_non_filtered_samples = 0; | |
1784 | ||
1785 | hists__reset_filter_stats(hists); | |
1786 | hists__reset_col_len(hists); | |
1787 | ||
1788 | nd = rb_first(&hists->entries); | |
1789 | while (nd) { | |
1790 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
1791 | int ret; | |
1792 | ||
1793 | ret = hist_entry__filter(h, type, arg); | |
1794 | ||
1795 | /* | |
1796 | * case 1. non-matching type | |
1797 | * zero out the period, set filter marker and move to child | |
1798 | */ | |
1799 | if (ret < 0) { | |
1800 | memset(&h->stat, 0, sizeof(h->stat)); | |
1801 | h->filtered |= (1 << type); | |
1802 | ||
1803 | nd = __rb_hierarchy_next(&h->rb_node, HMD_FORCE_CHILD); | |
1804 | } | |
1805 | /* | |
1806 | * case 2. matched type (filter out) | |
1807 | * set filter marker and move to next | |
1808 | */ | |
1809 | else if (ret == 1) { | |
1810 | h->filtered |= (1 << type); | |
1811 | ||
1812 | nd = __rb_hierarchy_next(&h->rb_node, HMD_FORCE_SIBLING); | |
1813 | } | |
1814 | /* | |
1815 | * case 3. ok (not filtered) | |
1816 | * add period to hists and parents, erase the filter marker | |
1817 | * and move to next sibling | |
1818 | */ | |
1819 | else { | |
1820 | hists__remove_entry_filter(hists, h, type); | |
1821 | ||
1822 | nd = __rb_hierarchy_next(&h->rb_node, HMD_FORCE_SIBLING); | |
1823 | } | |
1824 | } | |
70642850 NK |
1825 | |
1826 | /* | |
1827 | * resort output after applying a new filter since filter in a lower | |
1828 | * hierarchy can change periods in a upper hierarchy. | |
1829 | */ | |
1830 | nd = rb_first(&hists->entries); | |
1831 | while (nd) { | |
1832 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
1833 | ||
1834 | nd = rb_next(nd); | |
1835 | rb_erase(&h->rb_node, &hists->entries); | |
1836 | ||
1837 | resort_filtered_entry(&new_root, h); | |
1838 | } | |
1839 | ||
1840 | hists->entries = new_root; | |
155e9aff NK |
1841 | } |
1842 | ||
1f7c2541 NK |
1843 | void hists__filter_by_thread(struct hists *hists) |
1844 | { | |
155e9aff NK |
1845 | if (symbol_conf.report_hierarchy) |
1846 | hists__filter_hierarchy(hists, HIST_FILTER__THREAD, | |
1847 | hists->thread_filter); | |
1848 | else | |
1849 | hists__filter_by_type(hists, HIST_FILTER__THREAD, | |
1850 | hists__filter_entry_by_thread); | |
1f7c2541 NK |
1851 | } |
1852 | ||
1853 | void hists__filter_by_dso(struct hists *hists) | |
1854 | { | |
155e9aff NK |
1855 | if (symbol_conf.report_hierarchy) |
1856 | hists__filter_hierarchy(hists, HIST_FILTER__DSO, | |
1857 | hists->dso_filter); | |
1858 | else | |
1859 | hists__filter_by_type(hists, HIST_FILTER__DSO, | |
1860 | hists__filter_entry_by_dso); | |
1f7c2541 NK |
1861 | } |
1862 | ||
1863 | void hists__filter_by_symbol(struct hists *hists) | |
1864 | { | |
155e9aff NK |
1865 | if (symbol_conf.report_hierarchy) |
1866 | hists__filter_hierarchy(hists, HIST_FILTER__SYMBOL, | |
1867 | hists->symbol_filter_str); | |
1868 | else | |
1869 | hists__filter_by_type(hists, HIST_FILTER__SYMBOL, | |
1870 | hists__filter_entry_by_symbol); | |
1f7c2541 NK |
1871 | } |
1872 | ||
1873 | void hists__filter_by_socket(struct hists *hists) | |
1874 | { | |
155e9aff NK |
1875 | if (symbol_conf.report_hierarchy) |
1876 | hists__filter_hierarchy(hists, HIST_FILTER__SOCKET, | |
1877 | &hists->socket_filter); | |
1878 | else | |
1879 | hists__filter_by_type(hists, HIST_FILTER__SOCKET, | |
1880 | hists__filter_entry_by_socket); | |
1f7c2541 NK |
1881 | } |
1882 | ||
28a6b6aa ACM |
1883 | void events_stats__inc(struct events_stats *stats, u32 type) |
1884 | { | |
1885 | ++stats->nr_events[0]; | |
1886 | ++stats->nr_events[type]; | |
1887 | } | |
1888 | ||
42b28ac0 | 1889 | void hists__inc_nr_events(struct hists *hists, u32 type) |
c8446b9b | 1890 | { |
28a6b6aa | 1891 | events_stats__inc(&hists->stats, type); |
c8446b9b | 1892 | } |
95529be4 | 1893 | |
1844dbcb NK |
1894 | void hists__inc_nr_samples(struct hists *hists, bool filtered) |
1895 | { | |
1896 | events_stats__inc(&hists->stats, PERF_RECORD_SAMPLE); | |
1897 | if (!filtered) | |
1898 | hists->stats.nr_non_filtered_samples++; | |
1899 | } | |
1900 | ||
494d70a1 ACM |
1901 | static struct hist_entry *hists__add_dummy_entry(struct hists *hists, |
1902 | struct hist_entry *pair) | |
1903 | { | |
ce74f60e NK |
1904 | struct rb_root *root; |
1905 | struct rb_node **p; | |
494d70a1 ACM |
1906 | struct rb_node *parent = NULL; |
1907 | struct hist_entry *he; | |
354cc40e | 1908 | int64_t cmp; |
494d70a1 | 1909 | |
ce74f60e NK |
1910 | if (sort__need_collapse) |
1911 | root = &hists->entries_collapsed; | |
1912 | else | |
1913 | root = hists->entries_in; | |
1914 | ||
1915 | p = &root->rb_node; | |
1916 | ||
494d70a1 ACM |
1917 | while (*p != NULL) { |
1918 | parent = *p; | |
ce74f60e | 1919 | he = rb_entry(parent, struct hist_entry, rb_node_in); |
494d70a1 | 1920 | |
ce74f60e | 1921 | cmp = hist_entry__collapse(he, pair); |
494d70a1 ACM |
1922 | |
1923 | if (!cmp) | |
1924 | goto out; | |
1925 | ||
1926 | if (cmp < 0) | |
1927 | p = &(*p)->rb_left; | |
1928 | else | |
1929 | p = &(*p)->rb_right; | |
1930 | } | |
1931 | ||
a0b51af3 | 1932 | he = hist_entry__new(pair, true); |
494d70a1 | 1933 | if (he) { |
30193d78 ACM |
1934 | memset(&he->stat, 0, sizeof(he->stat)); |
1935 | he->hists = hists; | |
ce74f60e NK |
1936 | rb_link_node(&he->rb_node_in, parent, p); |
1937 | rb_insert_color(&he->rb_node_in, root); | |
6263835a | 1938 | hists__inc_stats(hists, he); |
e0af43d2 | 1939 | he->dummy = true; |
494d70a1 ACM |
1940 | } |
1941 | out: | |
1942 | return he; | |
1943 | } | |
1944 | ||
95529be4 ACM |
1945 | static struct hist_entry *hists__find_entry(struct hists *hists, |
1946 | struct hist_entry *he) | |
1947 | { | |
ce74f60e NK |
1948 | struct rb_node *n; |
1949 | ||
1950 | if (sort__need_collapse) | |
1951 | n = hists->entries_collapsed.rb_node; | |
1952 | else | |
1953 | n = hists->entries_in->rb_node; | |
95529be4 ACM |
1954 | |
1955 | while (n) { | |
ce74f60e NK |
1956 | struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node_in); |
1957 | int64_t cmp = hist_entry__collapse(iter, he); | |
95529be4 ACM |
1958 | |
1959 | if (cmp < 0) | |
1960 | n = n->rb_left; | |
1961 | else if (cmp > 0) | |
1962 | n = n->rb_right; | |
1963 | else | |
1964 | return iter; | |
1965 | } | |
1966 | ||
1967 | return NULL; | |
1968 | } | |
1969 | ||
1970 | /* | |
1971 | * Look for pairs to link to the leader buckets (hist_entries): | |
1972 | */ | |
1973 | void hists__match(struct hists *leader, struct hists *other) | |
1974 | { | |
ce74f60e | 1975 | struct rb_root *root; |
95529be4 ACM |
1976 | struct rb_node *nd; |
1977 | struct hist_entry *pos, *pair; | |
1978 | ||
ce74f60e NK |
1979 | if (sort__need_collapse) |
1980 | root = &leader->entries_collapsed; | |
1981 | else | |
1982 | root = leader->entries_in; | |
1983 | ||
1984 | for (nd = rb_first(root); nd; nd = rb_next(nd)) { | |
1985 | pos = rb_entry(nd, struct hist_entry, rb_node_in); | |
95529be4 ACM |
1986 | pair = hists__find_entry(other, pos); |
1987 | ||
1988 | if (pair) | |
5fa9041b | 1989 | hist_entry__add_pair(pair, pos); |
95529be4 ACM |
1990 | } |
1991 | } | |
494d70a1 ACM |
1992 | |
1993 | /* | |
1994 | * Look for entries in the other hists that are not present in the leader, if | |
1995 | * we find them, just add a dummy entry on the leader hists, with period=0, | |
1996 | * nr_events=0, to serve as the list header. | |
1997 | */ | |
1998 | int hists__link(struct hists *leader, struct hists *other) | |
1999 | { | |
ce74f60e | 2000 | struct rb_root *root; |
494d70a1 ACM |
2001 | struct rb_node *nd; |
2002 | struct hist_entry *pos, *pair; | |
2003 | ||
ce74f60e NK |
2004 | if (sort__need_collapse) |
2005 | root = &other->entries_collapsed; | |
2006 | else | |
2007 | root = other->entries_in; | |
2008 | ||
2009 | for (nd = rb_first(root); nd; nd = rb_next(nd)) { | |
2010 | pos = rb_entry(nd, struct hist_entry, rb_node_in); | |
494d70a1 ACM |
2011 | |
2012 | if (!hist_entry__has_pairs(pos)) { | |
2013 | pair = hists__add_dummy_entry(leader, pos); | |
2014 | if (pair == NULL) | |
2015 | return -1; | |
5fa9041b | 2016 | hist_entry__add_pair(pos, pair); |
494d70a1 ACM |
2017 | } |
2018 | } | |
2019 | ||
2020 | return 0; | |
2021 | } | |
f2148330 | 2022 | |
57849998 AK |
2023 | void hist__account_cycles(struct branch_stack *bs, struct addr_location *al, |
2024 | struct perf_sample *sample, bool nonany_branch_mode) | |
2025 | { | |
2026 | struct branch_info *bi; | |
2027 | ||
2028 | /* If we have branch cycles always annotate them. */ | |
2029 | if (bs && bs->nr && bs->entries[0].flags.cycles) { | |
2030 | int i; | |
2031 | ||
2032 | bi = sample__resolve_bstack(sample, al); | |
2033 | if (bi) { | |
2034 | struct addr_map_symbol *prev = NULL; | |
2035 | ||
2036 | /* | |
2037 | * Ignore errors, still want to process the | |
2038 | * other entries. | |
2039 | * | |
2040 | * For non standard branch modes always | |
2041 | * force no IPC (prev == NULL) | |
2042 | * | |
2043 | * Note that perf stores branches reversed from | |
2044 | * program order! | |
2045 | */ | |
2046 | for (i = bs->nr - 1; i >= 0; i--) { | |
2047 | addr_map_symbol__account_cycles(&bi[i].from, | |
2048 | nonany_branch_mode ? NULL : prev, | |
2049 | bi[i].flags.cycles); | |
2050 | prev = &bi[i].to; | |
2051 | } | |
2052 | free(bi); | |
2053 | } | |
2054 | } | |
2055 | } | |
2a1731fb ACM |
2056 | |
2057 | size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp) | |
2058 | { | |
2059 | struct perf_evsel *pos; | |
2060 | size_t ret = 0; | |
2061 | ||
2062 | evlist__for_each(evlist, pos) { | |
2063 | ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); | |
2064 | ret += events_stats__fprintf(&evsel__hists(pos)->stats, fp); | |
2065 | } | |
2066 | ||
2067 | return ret; | |
2068 | } | |
2069 | ||
2070 | ||
f2148330 NK |
2071 | u64 hists__total_period(struct hists *hists) |
2072 | { | |
2073 | return symbol_conf.filter_relative ? hists->stats.total_non_filtered_period : | |
2074 | hists->stats.total_period; | |
2075 | } | |
33db4568 NK |
2076 | |
2077 | int parse_filter_percentage(const struct option *opt __maybe_unused, | |
2078 | const char *arg, int unset __maybe_unused) | |
2079 | { | |
2080 | if (!strcmp(arg, "relative")) | |
2081 | symbol_conf.filter_relative = true; | |
2082 | else if (!strcmp(arg, "absolute")) | |
2083 | symbol_conf.filter_relative = false; | |
2084 | else | |
2085 | return -1; | |
2086 | ||
2087 | return 0; | |
2088 | } | |
0b93da17 NK |
2089 | |
2090 | int perf_hist_config(const char *var, const char *value) | |
2091 | { | |
2092 | if (!strcmp(var, "hist.percentage")) | |
2093 | return parse_filter_percentage(NULL, value, 0); | |
2094 | ||
2095 | return 0; | |
2096 | } | |
a635fc51 | 2097 | |
5b65855e | 2098 | int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list) |
a635fc51 | 2099 | { |
a635fc51 ACM |
2100 | memset(hists, 0, sizeof(*hists)); |
2101 | hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT; | |
2102 | hists->entries_in = &hists->entries_in_array[0]; | |
2103 | hists->entries_collapsed = RB_ROOT; | |
2104 | hists->entries = RB_ROOT; | |
2105 | pthread_mutex_init(&hists->lock, NULL); | |
21394d94 | 2106 | hists->socket_filter = -1; |
5b65855e | 2107 | hists->hpp_list = hpp_list; |
c3bc0c43 | 2108 | INIT_LIST_HEAD(&hists->hpp_formats); |
a635fc51 ACM |
2109 | return 0; |
2110 | } | |
2111 | ||
61fa0e94 NK |
2112 | static void hists__delete_remaining_entries(struct rb_root *root) |
2113 | { | |
2114 | struct rb_node *node; | |
2115 | struct hist_entry *he; | |
2116 | ||
2117 | while (!RB_EMPTY_ROOT(root)) { | |
2118 | node = rb_first(root); | |
2119 | rb_erase(node, root); | |
2120 | ||
2121 | he = rb_entry(node, struct hist_entry, rb_node_in); | |
2122 | hist_entry__delete(he); | |
2123 | } | |
2124 | } | |
2125 | ||
2126 | static void hists__delete_all_entries(struct hists *hists) | |
2127 | { | |
2128 | hists__delete_entries(hists); | |
2129 | hists__delete_remaining_entries(&hists->entries_in_array[0]); | |
2130 | hists__delete_remaining_entries(&hists->entries_in_array[1]); | |
2131 | hists__delete_remaining_entries(&hists->entries_collapsed); | |
2132 | } | |
2133 | ||
17577dec MH |
2134 | static void hists_evsel__exit(struct perf_evsel *evsel) |
2135 | { | |
2136 | struct hists *hists = evsel__hists(evsel); | |
c3bc0c43 NK |
2137 | struct perf_hpp_fmt *fmt, *pos; |
2138 | struct perf_hpp_list_node *node, *tmp; | |
17577dec | 2139 | |
61fa0e94 | 2140 | hists__delete_all_entries(hists); |
c3bc0c43 NK |
2141 | |
2142 | list_for_each_entry_safe(node, tmp, &hists->hpp_formats, list) { | |
2143 | perf_hpp_list__for_each_format_safe(&node->hpp, fmt, pos) { | |
2144 | list_del(&fmt->list); | |
2145 | free(fmt); | |
2146 | } | |
2147 | list_del(&node->list); | |
2148 | free(node); | |
2149 | } | |
17577dec MH |
2150 | } |
2151 | ||
fc284be9 NK |
2152 | static int hists_evsel__init(struct perf_evsel *evsel) |
2153 | { | |
2154 | struct hists *hists = evsel__hists(evsel); | |
2155 | ||
5b65855e | 2156 | __hists__init(hists, &perf_hpp_list); |
fc284be9 NK |
2157 | return 0; |
2158 | } | |
2159 | ||
a635fc51 ACM |
2160 | /* |
2161 | * XXX We probably need a hists_evsel__exit() to free the hist_entries | |
2162 | * stored in the rbtree... | |
2163 | */ | |
2164 | ||
2165 | int hists__init(void) | |
2166 | { | |
2167 | int err = perf_evsel__object_config(sizeof(struct hists_evsel), | |
17577dec MH |
2168 | hists_evsel__init, |
2169 | hists_evsel__exit); | |
a635fc51 ACM |
2170 | if (err) |
2171 | fputs("FATAL ERROR: Couldn't setup hists class\n", stderr); | |
2172 | ||
2173 | return err; | |
2174 | } | |
94b3dc38 JO |
2175 | |
2176 | void perf_hpp_list__init(struct perf_hpp_list *list) | |
2177 | { | |
2178 | INIT_LIST_HEAD(&list->fields); | |
2179 | INIT_LIST_HEAD(&list->sorts); | |
2180 | } |