5 const char default_parent_pattern[] = "^sys_|^do_page_fault";
6 const char *parent_pattern = default_parent_pattern;
7 const char default_sort_order[] = "comm,dso,symbol";
8 const char *sort_order = default_sort_order;
9 int sort__need_collapse = 0;
10 int sort__has_parent = 0;
11 int sort__has_sym = 0;
12 int sort__branch_mode = -1; /* -1 = means not set */
14 enum sort_type sort__first_dimension;
16 LIST_HEAD(hist_entry__sort_list);
18 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
24 n = vsnprintf(bf, size, fmt, ap);
25 if (symbol_conf.field_sep && n > 0) {
29 sep = strchr(sep, *symbol_conf.field_sep);
42 static int64_t cmp_null(void *l, void *r)
55 sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
57 return right->thread->pid - left->thread->pid;
60 static int hist_entry__thread_snprintf(struct hist_entry *self, char *bf,
61 size_t size, unsigned int width)
63 return repsep_snprintf(bf, size, "%*s:%5d", width - 6,
64 self->thread->comm ?: "", self->thread->pid);
67 struct sort_entry sort_thread = {
68 .se_header = "Command: Pid",
69 .se_cmp = sort__thread_cmp,
70 .se_snprintf = hist_entry__thread_snprintf,
71 .se_width_idx = HISTC_THREAD,
77 sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
79 return right->thread->pid - left->thread->pid;
83 sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
85 char *comm_l = left->thread->comm;
86 char *comm_r = right->thread->comm;
88 if (!comm_l || !comm_r)
89 return cmp_null(comm_l, comm_r);
91 return strcmp(comm_l, comm_r);
94 static int hist_entry__comm_snprintf(struct hist_entry *self, char *bf,
95 size_t size, unsigned int width)
97 return repsep_snprintf(bf, size, "%*s", width, self->thread->comm);
100 struct sort_entry sort_comm = {
101 .se_header = "Command",
102 .se_cmp = sort__comm_cmp,
103 .se_collapse = sort__comm_collapse,
104 .se_snprintf = hist_entry__comm_snprintf,
105 .se_width_idx = HISTC_COMM,
110 static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
112 struct dso *dso_l = map_l ? map_l->dso : NULL;
113 struct dso *dso_r = map_r ? map_r->dso : NULL;
114 const char *dso_name_l, *dso_name_r;
116 if (!dso_l || !dso_r)
117 return cmp_null(dso_l, dso_r);
120 dso_name_l = dso_l->long_name;
121 dso_name_r = dso_r->long_name;
123 dso_name_l = dso_l->short_name;
124 dso_name_r = dso_r->short_name;
127 return strcmp(dso_name_l, dso_name_r);
131 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
133 return _sort__dso_cmp(left->ms.map, right->ms.map);
136 static int _hist_entry__dso_snprintf(struct map *map, char *bf,
137 size_t size, unsigned int width)
139 if (map && map->dso) {
140 const char *dso_name = !verbose ? map->dso->short_name :
142 return repsep_snprintf(bf, size, "%-*s", width, dso_name);
145 return repsep_snprintf(bf, size, "%-*s", width, "[unknown]");
148 static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf,
149 size_t size, unsigned int width)
151 return _hist_entry__dso_snprintf(self->ms.map, bf, size, width);
154 struct sort_entry sort_dso = {
155 .se_header = "Shared Object",
156 .se_cmp = sort__dso_cmp,
157 .se_snprintf = hist_entry__dso_snprintf,
158 .se_width_idx = HISTC_DSO,
163 static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
167 if (!sym_l || !sym_r)
168 return cmp_null(sym_l, sym_r);
176 return (int64_t)(ip_r - ip_l);
180 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
182 if (!left->ms.sym && !right->ms.sym)
183 return right->level - left->level;
185 return _sort__sym_cmp(left->ms.sym, right->ms.sym);
188 static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
189 u64 ip, char level, char *bf, size_t size,
195 char o = map ? dso__symtab_origin(map->dso) : '!';
196 ret += repsep_snprintf(bf, size, "%-#*llx %c ",
197 BITS_PER_LONG / 4, ip, o);
200 ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
202 ret += repsep_snprintf(bf + ret, size - ret, "%-*s",
206 size_t len = BITS_PER_LONG / 4;
207 ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
209 ret += repsep_snprintf(bf + ret, size - ret, "%-*s",
216 static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
217 size_t size, unsigned int width)
219 return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip,
220 self->level, bf, size, width);
223 struct sort_entry sort_sym = {
224 .se_header = "Symbol",
225 .se_cmp = sort__sym_cmp,
226 .se_snprintf = hist_entry__sym_snprintf,
227 .se_width_idx = HISTC_SYMBOL,
233 sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
235 return (int64_t)(right->ip - left->ip);
238 static int hist_entry__srcline_snprintf(struct hist_entry *self, char *bf,
240 unsigned int width __maybe_unused)
243 char cmd[PATH_MAX + 2], *path = self->srcline, *nl;
252 if (!strncmp(self->ms.map->dso->long_name, "/tmp/perf-", 10))
255 snprintf(cmd, sizeof(cmd), "addr2line -e %s %016" PRIx64,
256 self->ms.map->dso->long_name, self->ip);
257 fp = popen(cmd, "r");
261 if (getline(&path, &line_len, fp) < 0 || !line_len)
263 self->srcline = strdup(path);
264 if (self->srcline == NULL)
267 nl = strchr(self->srcline, '\n');
270 path = self->srcline;
274 return repsep_snprintf(bf, size, "%s", path);
278 return repsep_snprintf(bf, size, "%-#*llx", BITS_PER_LONG / 4, self->ip);
281 struct sort_entry sort_srcline = {
282 .se_header = "Source:Line",
283 .se_cmp = sort__srcline_cmp,
284 .se_snprintf = hist_entry__srcline_snprintf,
285 .se_width_idx = HISTC_SRCLINE,
291 sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
293 struct symbol *sym_l = left->parent;
294 struct symbol *sym_r = right->parent;
296 if (!sym_l || !sym_r)
297 return cmp_null(sym_l, sym_r);
299 return strcmp(sym_l->name, sym_r->name);
302 static int hist_entry__parent_snprintf(struct hist_entry *self, char *bf,
303 size_t size, unsigned int width)
305 return repsep_snprintf(bf, size, "%-*s", width,
306 self->parent ? self->parent->name : "[other]");
309 struct sort_entry sort_parent = {
310 .se_header = "Parent symbol",
311 .se_cmp = sort__parent_cmp,
312 .se_snprintf = hist_entry__parent_snprintf,
313 .se_width_idx = HISTC_PARENT,
319 sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
321 return right->cpu - left->cpu;
324 static int hist_entry__cpu_snprintf(struct hist_entry *self, char *bf,
325 size_t size, unsigned int width)
327 return repsep_snprintf(bf, size, "%*d", width, self->cpu);
330 struct sort_entry sort_cpu = {
332 .se_cmp = sort__cpu_cmp,
333 .se_snprintf = hist_entry__cpu_snprintf,
334 .se_width_idx = HISTC_CPU,
337 /* sort keys for branch stacks */
340 sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
342 return _sort__dso_cmp(left->branch_info->from.map,
343 right->branch_info->from.map);
346 static int hist_entry__dso_from_snprintf(struct hist_entry *self, char *bf,
347 size_t size, unsigned int width)
349 return _hist_entry__dso_snprintf(self->branch_info->from.map,
354 sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
356 return _sort__dso_cmp(left->branch_info->to.map,
357 right->branch_info->to.map);
360 static int hist_entry__dso_to_snprintf(struct hist_entry *self, char *bf,
361 size_t size, unsigned int width)
363 return _hist_entry__dso_snprintf(self->branch_info->to.map,
368 sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
370 struct addr_map_symbol *from_l = &left->branch_info->from;
371 struct addr_map_symbol *from_r = &right->branch_info->from;
373 if (!from_l->sym && !from_r->sym)
374 return right->level - left->level;
376 return _sort__sym_cmp(from_l->sym, from_r->sym);
380 sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
382 struct addr_map_symbol *to_l = &left->branch_info->to;
383 struct addr_map_symbol *to_r = &right->branch_info->to;
385 if (!to_l->sym && !to_r->sym)
386 return right->level - left->level;
388 return _sort__sym_cmp(to_l->sym, to_r->sym);
391 static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
392 size_t size, unsigned int width)
394 struct addr_map_symbol *from = &self->branch_info->from;
395 return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
396 self->level, bf, size, width);
400 static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf,
401 size_t size, unsigned int width)
403 struct addr_map_symbol *to = &self->branch_info->to;
404 return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
405 self->level, bf, size, width);
409 struct sort_entry sort_dso_from = {
410 .se_header = "Source Shared Object",
411 .se_cmp = sort__dso_from_cmp,
412 .se_snprintf = hist_entry__dso_from_snprintf,
413 .se_width_idx = HISTC_DSO_FROM,
416 struct sort_entry sort_dso_to = {
417 .se_header = "Target Shared Object",
418 .se_cmp = sort__dso_to_cmp,
419 .se_snprintf = hist_entry__dso_to_snprintf,
420 .se_width_idx = HISTC_DSO_TO,
423 struct sort_entry sort_sym_from = {
424 .se_header = "Source Symbol",
425 .se_cmp = sort__sym_from_cmp,
426 .se_snprintf = hist_entry__sym_from_snprintf,
427 .se_width_idx = HISTC_SYMBOL_FROM,
430 struct sort_entry sort_sym_to = {
431 .se_header = "Target Symbol",
432 .se_cmp = sort__sym_to_cmp,
433 .se_snprintf = hist_entry__sym_to_snprintf,
434 .se_width_idx = HISTC_SYMBOL_TO,
438 sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
440 const unsigned char mp = left->branch_info->flags.mispred !=
441 right->branch_info->flags.mispred;
442 const unsigned char p = left->branch_info->flags.predicted !=
443 right->branch_info->flags.predicted;
448 static int hist_entry__mispredict_snprintf(struct hist_entry *self, char *bf,
449 size_t size, unsigned int width){
450 static const char *out = "N/A";
452 if (self->branch_info->flags.predicted)
454 else if (self->branch_info->flags.mispred)
457 return repsep_snprintf(bf, size, "%-*s", width, out);
460 struct sort_entry sort_mispredict = {
461 .se_header = "Branch Mispredicted",
462 .se_cmp = sort__mispredict_cmp,
463 .se_snprintf = hist_entry__mispredict_snprintf,
464 .se_width_idx = HISTC_MISPREDICT,
467 struct sort_dimension {
469 struct sort_entry *entry;
473 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
475 static struct sort_dimension common_sort_dimensions[] = {
476 DIM(SORT_PID, "pid", sort_thread),
477 DIM(SORT_COMM, "comm", sort_comm),
478 DIM(SORT_DSO, "dso", sort_dso),
479 DIM(SORT_SYM, "symbol", sort_sym),
480 DIM(SORT_PARENT, "parent", sort_parent),
481 DIM(SORT_CPU, "cpu", sort_cpu),
482 DIM(SORT_SRCLINE, "srcline", sort_srcline),
487 #define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
489 static struct sort_dimension bstack_sort_dimensions[] = {
490 DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
491 DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
492 DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
493 DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
494 DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
499 int sort_dimension__add(const char *tok)
503 for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
504 struct sort_dimension *sd = &common_sort_dimensions[i];
506 if (strncasecmp(tok, sd->name, strlen(tok)))
509 if (sd->entry == &sort_parent) {
510 int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
514 regerror(ret, &parent_regex, err, sizeof(err));
515 pr_err("Invalid regex: %s\n%s", parent_pattern, err);
518 sort__has_parent = 1;
519 } else if (sd->entry == &sort_sym) {
526 if (sd->entry->se_collapse)
527 sort__need_collapse = 1;
529 if (list_empty(&hist_entry__sort_list))
530 sort__first_dimension = i;
532 list_add_tail(&sd->entry->list, &hist_entry__sort_list);
538 for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
539 struct sort_dimension *sd = &bstack_sort_dimensions[i];
541 if (strncasecmp(tok, sd->name, strlen(tok)))
544 if (sort__branch_mode != 1)
547 if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
553 if (sd->entry->se_collapse)
554 sort__need_collapse = 1;
556 if (list_empty(&hist_entry__sort_list))
557 sort__first_dimension = i + __SORT_BRANCH_STACK;
559 list_add_tail(&sd->entry->list, &hist_entry__sort_list);
568 int setup_sorting(void)
570 char *tmp, *tok, *str = strdup(sort_order);
574 error("Not enough memory to setup sort keys");
578 for (tok = strtok_r(str, ", ", &tmp);
579 tok; tok = strtok_r(NULL, ", ", &tmp)) {
580 ret = sort_dimension__add(tok);
581 if (ret == -EINVAL) {
582 error("Invalid --sort key: `%s'", tok);
584 } else if (ret == -ESRCH) {
585 error("Unknown --sort key: `%s'", tok);
594 void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,
595 const char *list_name, FILE *fp)
597 if (list && strlist__nr_entries(list) == 1) {
599 fprintf(fp, "# %s: %s\n", list_name,
600 strlist__entry(list, 0)->s);