14 struct callchain_param callchain_param
= {
15 .mode
= CHAIN_GRAPH_REL
,
19 u16
hists__col_len(struct hists
*self
, enum hist_column col
)
21 return self
->col_len
[col
];
24 void hists__set_col_len(struct hists
*self
, enum hist_column col
, u16 len
)
26 self
->col_len
[col
] = len
;
29 bool hists__new_col_len(struct hists
*self
, enum hist_column col
, u16 len
)
31 if (len
> hists__col_len(self
, col
)) {
32 hists__set_col_len(self
, col
, len
);
38 static void hists__reset_col_len(struct hists
*self
)
42 for (col
= 0; col
< HISTC_NR_COLS
; ++col
)
43 hists__set_col_len(self
, col
, 0);
46 static void hists__calc_col_len(struct hists
*self
, struct hist_entry
*h
)
51 hists__new_col_len(self
, HISTC_SYMBOL
, h
->ms
.sym
->namelen
);
53 len
= thread__comm_len(h
->thread
);
54 if (hists__new_col_len(self
, HISTC_COMM
, len
))
55 hists__set_col_len(self
, HISTC_THREAD
, len
+ 6);
58 len
= dso__name_len(h
->ms
.map
->dso
);
59 hists__new_col_len(self
, HISTC_DSO
, len
);
63 static void hist_entry__add_cpumode_period(struct hist_entry
*self
,
64 unsigned int cpumode
, u64 period
)
67 case PERF_RECORD_MISC_KERNEL
:
68 self
->period_sys
+= period
;
70 case PERF_RECORD_MISC_USER
:
71 self
->period_us
+= period
;
73 case PERF_RECORD_MISC_GUEST_KERNEL
:
74 self
->period_guest_sys
+= period
;
76 case PERF_RECORD_MISC_GUEST_USER
:
77 self
->period_guest_us
+= period
;
85 * histogram, sorted on item, collects periods
88 static struct hist_entry
*hist_entry__new(struct hist_entry
*template)
90 size_t callchain_size
= symbol_conf
.use_callchain
? sizeof(struct callchain_node
) : 0;
91 struct hist_entry
*self
= malloc(sizeof(*self
) + callchain_size
);
96 if (symbol_conf
.use_callchain
)
97 callchain_init(self
->callchain
);
103 static void hists__inc_nr_entries(struct hists
*self
, struct hist_entry
*h
)
106 hists__calc_col_len(self
, h
);
111 static u8
symbol__parent_filter(const struct symbol
*parent
)
113 if (symbol_conf
.exclude_other
&& parent
== NULL
)
114 return 1 << HIST_FILTER__PARENT
;
118 struct hist_entry
*__hists__add_entry(struct hists
*self
,
119 struct addr_location
*al
,
120 struct symbol
*sym_parent
, u64 period
)
122 struct rb_node
**p
= &self
->entries
.rb_node
;
123 struct rb_node
*parent
= NULL
;
124 struct hist_entry
*he
;
125 struct hist_entry entry
= {
126 .thread
= al
->thread
,
135 .parent
= sym_parent
,
136 .filtered
= symbol__parent_filter(sym_parent
),
142 he
= rb_entry(parent
, struct hist_entry
, rb_node
);
144 cmp
= hist_entry__cmp(&entry
, he
);
147 he
->period
+= period
;
158 he
= hist_entry__new(&entry
);
161 rb_link_node(&he
->rb_node
, parent
, p
);
162 rb_insert_color(&he
->rb_node
, &self
->entries
);
163 hists__inc_nr_entries(self
, he
);
165 hist_entry__add_cpumode_period(he
, al
->cpumode
, period
);
170 hist_entry__cmp(struct hist_entry
*left
, struct hist_entry
*right
)
172 struct sort_entry
*se
;
175 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
176 cmp
= se
->se_cmp(left
, right
);
185 hist_entry__collapse(struct hist_entry
*left
, struct hist_entry
*right
)
187 struct sort_entry
*se
;
190 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
191 int64_t (*f
)(struct hist_entry
*, struct hist_entry
*);
193 f
= se
->se_collapse
?: se
->se_cmp
;
195 cmp
= f(left
, right
);
203 void hist_entry__free(struct hist_entry
*he
)
209 * collapse the histogram
212 static bool collapse__insert_entry(struct rb_root
*root
, struct hist_entry
*he
)
214 struct rb_node
**p
= &root
->rb_node
;
215 struct rb_node
*parent
= NULL
;
216 struct hist_entry
*iter
;
221 iter
= rb_entry(parent
, struct hist_entry
, rb_node
);
223 cmp
= hist_entry__collapse(iter
, he
);
226 iter
->period
+= he
->period
;
227 hist_entry__free(he
);
237 rb_link_node(&he
->rb_node
, parent
, p
);
238 rb_insert_color(&he
->rb_node
, root
);
242 void hists__collapse_resort(struct hists
*self
)
245 struct rb_node
*next
;
246 struct hist_entry
*n
;
248 if (!sort__need_collapse
)
252 next
= rb_first(&self
->entries
);
253 self
->nr_entries
= 0;
254 hists__reset_col_len(self
);
257 n
= rb_entry(next
, struct hist_entry
, rb_node
);
258 next
= rb_next(&n
->rb_node
);
260 rb_erase(&n
->rb_node
, &self
->entries
);
261 if (collapse__insert_entry(&tmp
, n
))
262 hists__inc_nr_entries(self
, n
);
269 * reverse the map, sort on period.
272 static void __hists__insert_output_entry(struct rb_root
*entries
,
273 struct hist_entry
*he
,
274 u64 min_callchain_hits
)
276 struct rb_node
**p
= &entries
->rb_node
;
277 struct rb_node
*parent
= NULL
;
278 struct hist_entry
*iter
;
280 if (symbol_conf
.use_callchain
)
281 callchain_param
.sort(&he
->sorted_chain
, he
->callchain
,
282 min_callchain_hits
, &callchain_param
);
286 iter
= rb_entry(parent
, struct hist_entry
, rb_node
);
288 if (he
->period
> iter
->period
)
294 rb_link_node(&he
->rb_node
, parent
, p
);
295 rb_insert_color(&he
->rb_node
, entries
);
298 void hists__output_resort(struct hists
*self
)
301 struct rb_node
*next
;
302 struct hist_entry
*n
;
303 u64 min_callchain_hits
;
305 min_callchain_hits
= self
->stats
.total_period
* (callchain_param
.min_percent
/ 100);
308 next
= rb_first(&self
->entries
);
310 self
->nr_entries
= 0;
311 hists__reset_col_len(self
);
314 n
= rb_entry(next
, struct hist_entry
, rb_node
);
315 next
= rb_next(&n
->rb_node
);
317 rb_erase(&n
->rb_node
, &self
->entries
);
318 __hists__insert_output_entry(&tmp
, n
, min_callchain_hits
);
319 hists__inc_nr_entries(self
, n
);
325 static size_t callchain__fprintf_left_margin(FILE *fp
, int left_margin
)
328 int ret
= fprintf(fp
, " ");
330 for (i
= 0; i
< left_margin
; i
++)
331 ret
+= fprintf(fp
, " ");
336 static size_t ipchain__fprintf_graph_line(FILE *fp
, int depth
, int depth_mask
,
340 size_t ret
= callchain__fprintf_left_margin(fp
, left_margin
);
342 for (i
= 0; i
< depth
; i
++)
343 if (depth_mask
& (1 << i
))
344 ret
+= fprintf(fp
, "| ");
346 ret
+= fprintf(fp
, " ");
348 ret
+= fprintf(fp
, "\n");
353 static size_t ipchain__fprintf_graph(FILE *fp
, struct callchain_list
*chain
,
354 int depth
, int depth_mask
, int period
,
355 u64 total_samples
, int hits
,
361 ret
+= callchain__fprintf_left_margin(fp
, left_margin
);
362 for (i
= 0; i
< depth
; i
++) {
363 if (depth_mask
& (1 << i
))
364 ret
+= fprintf(fp
, "|");
366 ret
+= fprintf(fp
, " ");
367 if (!period
&& i
== depth
- 1) {
370 percent
= hits
* 100.0 / total_samples
;
371 ret
+= percent_color_fprintf(fp
, "--%2.2f%%-- ", percent
);
373 ret
+= fprintf(fp
, "%s", " ");
376 ret
+= fprintf(fp
, "%s\n", chain
->ms
.sym
->name
);
378 ret
+= fprintf(fp
, "%p\n", (void *)(long)chain
->ip
);
383 static struct symbol
*rem_sq_bracket
;
384 static struct callchain_list rem_hits
;
386 static void init_rem_hits(void)
388 rem_sq_bracket
= malloc(sizeof(*rem_sq_bracket
) + 6);
389 if (!rem_sq_bracket
) {
390 fprintf(stderr
, "Not enough memory to display remaining hits\n");
394 strcpy(rem_sq_bracket
->name
, "[...]");
395 rem_hits
.ms
.sym
= rem_sq_bracket
;
398 static size_t __callchain__fprintf_graph(FILE *fp
, struct callchain_node
*self
,
399 u64 total_samples
, int depth
,
400 int depth_mask
, int left_margin
)
402 struct rb_node
*node
, *next
;
403 struct callchain_node
*child
;
404 struct callchain_list
*chain
;
405 int new_depth_mask
= depth_mask
;
410 uint entries_printed
= 0;
412 if (callchain_param
.mode
== CHAIN_GRAPH_REL
)
413 new_total
= self
->children_hit
;
415 new_total
= total_samples
;
417 remaining
= new_total
;
419 node
= rb_first(&self
->rb_root
);
423 child
= rb_entry(node
, struct callchain_node
, rb_node
);
424 cumul
= cumul_hits(child
);
428 * The depth mask manages the output of pipes that show
429 * the depth. We don't want to keep the pipes of the current
430 * level for the last child of this depth.
431 * Except if we have remaining filtered hits. They will
432 * supersede the last child
434 next
= rb_next(node
);
435 if (!next
&& (callchain_param
.mode
!= CHAIN_GRAPH_REL
|| !remaining
))
436 new_depth_mask
&= ~(1 << (depth
- 1));
439 * But we keep the older depth mask for the line separator
440 * to keep the level link until we reach the last child
442 ret
+= ipchain__fprintf_graph_line(fp
, depth
, depth_mask
,
445 list_for_each_entry(chain
, &child
->val
, list
) {
446 ret
+= ipchain__fprintf_graph(fp
, chain
, depth
,
452 ret
+= __callchain__fprintf_graph(fp
, child
, new_total
,
454 new_depth_mask
| (1 << depth
),
457 if (++entries_printed
== callchain_param
.print_limit
)
461 if (callchain_param
.mode
== CHAIN_GRAPH_REL
&&
462 remaining
&& remaining
!= new_total
) {
467 new_depth_mask
&= ~(1 << (depth
- 1));
469 ret
+= ipchain__fprintf_graph(fp
, &rem_hits
, depth
,
470 new_depth_mask
, 0, new_total
,
471 remaining
, left_margin
);
477 static size_t callchain__fprintf_graph(FILE *fp
, struct callchain_node
*self
,
478 u64 total_samples
, int left_margin
)
480 struct callchain_list
*chain
;
481 bool printed
= false;
484 u32 entries_printed
= 0;
486 list_for_each_entry(chain
, &self
->val
, list
) {
487 if (!i
++ && sort__first_dimension
== SORT_SYM
)
491 ret
+= callchain__fprintf_left_margin(fp
, left_margin
);
492 ret
+= fprintf(fp
, "|\n");
493 ret
+= callchain__fprintf_left_margin(fp
, left_margin
);
494 ret
+= fprintf(fp
, "---");
499 ret
+= callchain__fprintf_left_margin(fp
, left_margin
);
502 ret
+= fprintf(fp
, " %s\n", chain
->ms
.sym
->name
);
504 ret
+= fprintf(fp
, " %p\n", (void *)(long)chain
->ip
);
506 if (++entries_printed
== callchain_param
.print_limit
)
510 ret
+= __callchain__fprintf_graph(fp
, self
, total_samples
, 1, 1, left_margin
);
515 static size_t callchain__fprintf_flat(FILE *fp
, struct callchain_node
*self
,
518 struct callchain_list
*chain
;
524 ret
+= callchain__fprintf_flat(fp
, self
->parent
, total_samples
);
527 list_for_each_entry(chain
, &self
->val
, list
) {
528 if (chain
->ip
>= PERF_CONTEXT_MAX
)
531 ret
+= fprintf(fp
, " %s\n", chain
->ms
.sym
->name
);
533 ret
+= fprintf(fp
, " %p\n",
534 (void *)(long)chain
->ip
);
540 static size_t hist_entry_callchain__fprintf(FILE *fp
, struct hist_entry
*self
,
541 u64 total_samples
, int left_margin
)
543 struct rb_node
*rb_node
;
544 struct callchain_node
*chain
;
546 u32 entries_printed
= 0;
548 rb_node
= rb_first(&self
->sorted_chain
);
552 chain
= rb_entry(rb_node
, struct callchain_node
, rb_node
);
553 percent
= chain
->hit
* 100.0 / total_samples
;
554 switch (callchain_param
.mode
) {
556 ret
+= percent_color_fprintf(fp
, " %6.2f%%\n",
558 ret
+= callchain__fprintf_flat(fp
, chain
, total_samples
);
560 case CHAIN_GRAPH_ABS
: /* Falldown */
561 case CHAIN_GRAPH_REL
:
562 ret
+= callchain__fprintf_graph(fp
, chain
, total_samples
,
568 ret
+= fprintf(fp
, "\n");
569 if (++entries_printed
== callchain_param
.print_limit
)
571 rb_node
= rb_next(rb_node
);
577 int hist_entry__snprintf(struct hist_entry
*self
, char *s
, size_t size
,
578 struct hists
*hists
, struct hists
*pair_hists
,
579 bool show_displacement
, long displacement
,
580 bool color
, u64 session_total
)
582 struct sort_entry
*se
;
583 u64 period
, total
, period_sys
, period_us
, period_guest_sys
, period_guest_us
;
584 const char *sep
= symbol_conf
.field_sep
;
587 if (symbol_conf
.exclude_other
&& !self
->parent
)
591 period
= self
->pair
? self
->pair
->period
: 0;
592 total
= pair_hists
->stats
.total_period
;
593 period_sys
= self
->pair
? self
->pair
->period_sys
: 0;
594 period_us
= self
->pair
? self
->pair
->period_us
: 0;
595 period_guest_sys
= self
->pair
? self
->pair
->period_guest_sys
: 0;
596 period_guest_us
= self
->pair
? self
->pair
->period_guest_us
: 0;
598 period
= self
->period
;
599 total
= session_total
;
600 period_sys
= self
->period_sys
;
601 period_us
= self
->period_us
;
602 period_guest_sys
= self
->period_guest_sys
;
603 period_guest_us
= self
->period_guest_us
;
608 ret
= percent_color_snprintf(s
, size
,
609 sep
? "%.2f" : " %6.2f%%",
610 (period
* 100.0) / total
);
612 ret
= snprintf(s
, size
, sep
? "%.2f" : " %6.2f%%",
613 (period
* 100.0) / total
);
614 if (symbol_conf
.show_cpu_utilization
) {
615 ret
+= percent_color_snprintf(s
+ ret
, size
- ret
,
616 sep
? "%.2f" : " %6.2f%%",
617 (period_sys
* 100.0) / total
);
618 ret
+= percent_color_snprintf(s
+ ret
, size
- ret
,
619 sep
? "%.2f" : " %6.2f%%",
620 (period_us
* 100.0) / total
);
622 ret
+= percent_color_snprintf(s
+ ret
,
624 sep
? "%.2f" : " %6.2f%%",
625 (period_guest_sys
* 100.0) /
627 ret
+= percent_color_snprintf(s
+ ret
,
629 sep
? "%.2f" : " %6.2f%%",
630 (period_guest_us
* 100.0) /
635 ret
= snprintf(s
, size
, sep
? "%lld" : "%12lld ", period
);
637 if (symbol_conf
.show_nr_samples
) {
639 ret
+= snprintf(s
+ ret
, size
- ret
, "%c%lld", *sep
, period
);
641 ret
+= snprintf(s
+ ret
, size
- ret
, "%11lld", period
);
646 double old_percent
= 0, new_percent
= 0, diff
;
649 old_percent
= (period
* 100.0) / total
;
650 if (session_total
> 0)
651 new_percent
= (self
->period
* 100.0) / session_total
;
653 diff
= new_percent
- old_percent
;
655 if (fabs(diff
) >= 0.01)
656 snprintf(bf
, sizeof(bf
), "%+4.2F%%", diff
);
658 snprintf(bf
, sizeof(bf
), " ");
661 ret
+= snprintf(s
+ ret
, size
- ret
, "%c%s", *sep
, bf
);
663 ret
+= snprintf(s
+ ret
, size
- ret
, "%11.11s", bf
);
665 if (show_displacement
) {
667 snprintf(bf
, sizeof(bf
), "%+4ld", displacement
);
669 snprintf(bf
, sizeof(bf
), " ");
672 ret
+= snprintf(s
+ ret
, size
- ret
, "%c%s", *sep
, bf
);
674 ret
+= snprintf(s
+ ret
, size
- ret
, "%6.6s", bf
);
678 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
682 ret
+= snprintf(s
+ ret
, size
- ret
, "%s", sep
?: " ");
683 ret
+= se
->se_snprintf(self
, s
+ ret
, size
- ret
,
684 hists__col_len(hists
, se
->se_width_idx
));
690 int hist_entry__fprintf(struct hist_entry
*self
, struct hists
*hists
,
691 struct hists
*pair_hists
, bool show_displacement
,
692 long displacement
, FILE *fp
, u64 session_total
)
695 hist_entry__snprintf(self
, bf
, sizeof(bf
), hists
, pair_hists
,
696 show_displacement
, displacement
,
697 true, session_total
);
698 return fprintf(fp
, "%s\n", bf
);
701 static size_t hist_entry__fprintf_callchain(struct hist_entry
*self
,
702 struct hists
*hists
, FILE *fp
,
707 if (sort__first_dimension
== SORT_COMM
) {
708 struct sort_entry
*se
= list_first_entry(&hist_entry__sort_list
,
710 left_margin
= hists__col_len(hists
, se
->se_width_idx
);
711 left_margin
-= thread__comm_len(self
->thread
);
714 return hist_entry_callchain__fprintf(fp
, self
, session_total
,
718 size_t hists__fprintf(struct hists
*self
, struct hists
*pair
,
719 bool show_displacement
, FILE *fp
)
721 struct sort_entry
*se
;
724 unsigned long position
= 1;
725 long displacement
= 0;
727 const char *sep
= symbol_conf
.field_sep
;
728 const char *col_width
= symbol_conf
.col_width_list_str
;
732 fprintf(fp
, "# %s", pair
? "Baseline" : "Overhead");
734 if (symbol_conf
.show_nr_samples
) {
736 fprintf(fp
, "%cSamples", *sep
);
738 fputs(" Samples ", fp
);
741 if (symbol_conf
.show_cpu_utilization
) {
743 ret
+= fprintf(fp
, "%csys", *sep
);
744 ret
+= fprintf(fp
, "%cus", *sep
);
746 ret
+= fprintf(fp
, "%cguest sys", *sep
);
747 ret
+= fprintf(fp
, "%cguest us", *sep
);
750 ret
+= fprintf(fp
, " sys ");
751 ret
+= fprintf(fp
, " us ");
753 ret
+= fprintf(fp
, " guest sys ");
754 ret
+= fprintf(fp
, " guest us ");
761 ret
+= fprintf(fp
, "%cDelta", *sep
);
763 ret
+= fprintf(fp
, " Delta ");
765 if (show_displacement
) {
767 ret
+= fprintf(fp
, "%cDisplacement", *sep
);
769 ret
+= fprintf(fp
, " Displ");
773 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
777 fprintf(fp
, "%c%s", *sep
, se
->se_header
);
780 width
= strlen(se
->se_header
);
781 if (symbol_conf
.col_width_list_str
) {
783 hists__set_col_len(self
, se
->se_width_idx
,
785 col_width
= strchr(col_width
, ',');
790 if (!hists__new_col_len(self
, se
->se_width_idx
, width
))
791 width
= hists__col_len(self
, se
->se_width_idx
);
792 fprintf(fp
, " %*s", width
, se
->se_header
);
799 fprintf(fp
, "# ........");
800 if (symbol_conf
.show_nr_samples
)
801 fprintf(fp
, " ..........");
803 fprintf(fp
, " ..........");
804 if (show_displacement
)
805 fprintf(fp
, " .....");
807 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
814 width
= hists__col_len(self
, se
->se_width_idx
);
816 width
= strlen(se
->se_header
);
817 for (i
= 0; i
< width
; i
++)
821 fprintf(fp
, "\n#\n");
824 for (nd
= rb_first(&self
->entries
); nd
; nd
= rb_next(nd
)) {
825 struct hist_entry
*h
= rb_entry(nd
, struct hist_entry
, rb_node
);
827 if (show_displacement
) {
829 displacement
= ((long)h
->pair
->position
-
835 ret
+= hist_entry__fprintf(h
, self
, pair
, show_displacement
,
836 displacement
, fp
, self
->stats
.total_period
);
838 if (symbol_conf
.use_callchain
)
839 ret
+= hist_entry__fprintf_callchain(h
, self
, fp
,
840 self
->stats
.total_period
);
841 if (h
->ms
.map
== NULL
&& verbose
> 1) {
842 __map_groups__fprintf_maps(&h
->thread
->mg
,
843 MAP__FUNCTION
, verbose
, fp
);
844 fprintf(fp
, "%.10s end\n", graph_dotted_line
);
848 free(rem_sq_bracket
);
854 * See hists__fprintf to match the column widths
856 unsigned int hists__sort_list_width(struct hists
*self
)
858 struct sort_entry
*se
;
859 int ret
= 9; /* total % */
861 if (symbol_conf
.show_cpu_utilization
) {
862 ret
+= 7; /* count_sys % */
863 ret
+= 6; /* count_us % */
865 ret
+= 13; /* count_guest_sys % */
866 ret
+= 12; /* count_guest_us % */
870 if (symbol_conf
.show_nr_samples
)
873 list_for_each_entry(se
, &hist_entry__sort_list
, list
)
875 ret
+= 2 + hists__col_len(self
, se
->se_width_idx
);
880 static void hists__remove_entry_filter(struct hists
*self
, struct hist_entry
*h
,
881 enum hist_filter filter
)
883 h
->filtered
&= ~(1 << filter
);
889 self
->nr_entries
+= h
->nr_rows
;
891 self
->stats
.total_period
+= h
->period
;
892 self
->stats
.nr_events
[PERF_RECORD_SAMPLE
] += h
->nr_events
;
894 hists__calc_col_len(self
, h
);
897 void hists__filter_by_dso(struct hists
*self
, const struct dso
*dso
)
901 self
->nr_entries
= self
->stats
.total_period
= 0;
902 self
->stats
.nr_events
[PERF_RECORD_SAMPLE
] = 0;
903 hists__reset_col_len(self
);
905 for (nd
= rb_first(&self
->entries
); nd
; nd
= rb_next(nd
)) {
906 struct hist_entry
*h
= rb_entry(nd
, struct hist_entry
, rb_node
);
908 if (symbol_conf
.exclude_other
&& !h
->parent
)
911 if (dso
!= NULL
&& (h
->ms
.map
== NULL
|| h
->ms
.map
->dso
!= dso
)) {
912 h
->filtered
|= (1 << HIST_FILTER__DSO
);
916 hists__remove_entry_filter(self
, h
, HIST_FILTER__DSO
);
920 void hists__filter_by_thread(struct hists
*self
, const struct thread
*thread
)
924 self
->nr_entries
= self
->stats
.total_period
= 0;
925 self
->stats
.nr_events
[PERF_RECORD_SAMPLE
] = 0;
926 hists__reset_col_len(self
);
928 for (nd
= rb_first(&self
->entries
); nd
; nd
= rb_next(nd
)) {
929 struct hist_entry
*h
= rb_entry(nd
, struct hist_entry
, rb_node
);
931 if (thread
!= NULL
&& h
->thread
!= thread
) {
932 h
->filtered
|= (1 << HIST_FILTER__THREAD
);
936 hists__remove_entry_filter(self
, h
, HIST_FILTER__THREAD
);
940 static int symbol__alloc_hist(struct symbol
*self
)
942 struct sym_priv
*priv
= symbol__priv(self
);
943 const int size
= (sizeof(*priv
->hist
) +
944 (self
->end
- self
->start
) * sizeof(u64
));
946 priv
->hist
= zalloc(size
);
947 return priv
->hist
== NULL
? -1 : 0;
950 int hist_entry__inc_addr_samples(struct hist_entry
*self
, u64 ip
)
952 unsigned int sym_size
, offset
;
953 struct symbol
*sym
= self
->ms
.sym
;
954 struct sym_priv
*priv
;
957 if (!sym
|| !self
->ms
.map
)
960 priv
= symbol__priv(sym
);
961 if (priv
->hist
== NULL
&& symbol__alloc_hist(sym
) < 0)
964 sym_size
= sym
->end
- sym
->start
;
965 offset
= ip
- sym
->start
;
967 pr_debug3("%s: ip=%#Lx\n", __func__
, self
->ms
.map
->unmap_ip(self
->ms
.map
, ip
));
969 if (offset
>= sym_size
)
976 pr_debug3("%#Lx %s: period++ [ip: %#Lx, %#Lx] => %Ld\n", self
->ms
.sym
->start
,
977 self
->ms
.sym
->name
, ip
, ip
- self
->ms
.sym
->start
, h
->ip
[offset
]);
981 static struct objdump_line
*objdump_line__new(s64 offset
, char *line
)
983 struct objdump_line
*self
= malloc(sizeof(*self
));
986 self
->offset
= offset
;
993 void objdump_line__free(struct objdump_line
*self
)
999 static void objdump__add_line(struct list_head
*head
, struct objdump_line
*line
)
1001 list_add_tail(&line
->node
, head
);
1004 struct objdump_line
*objdump__get_next_ip_line(struct list_head
*head
,
1005 struct objdump_line
*pos
)
1007 list_for_each_entry_continue(pos
, head
, node
)
1008 if (pos
->offset
>= 0)
1014 static int hist_entry__parse_objdump_line(struct hist_entry
*self
, FILE *file
,
1015 struct list_head
*head
)
1017 struct symbol
*sym
= self
->ms
.sym
;
1018 struct objdump_line
*objdump_line
;
1019 char *line
= NULL
, *tmp
, *tmp2
, *c
;
1021 s64 line_ip
, offset
= -1;
1023 if (getline(&line
, &line_len
, file
) < 0)
1029 while (line_len
!= 0 && isspace(line
[line_len
- 1]))
1030 line
[--line_len
] = '\0';
1032 c
= strchr(line
, '\n');
1039 * Strip leading spaces:
1050 * Parse hexa addresses followed by ':'
1052 line_ip
= strtoull(tmp
, &tmp2
, 16);
1053 if (*tmp2
!= ':' || tmp
== tmp2
|| tmp2
[1] == '\0')
1057 if (line_ip
!= -1) {
1058 u64 start
= map__rip_2objdump(self
->ms
.map
, sym
->start
),
1059 end
= map__rip_2objdump(self
->ms
.map
, sym
->end
);
1061 offset
= line_ip
- start
;
1062 if (offset
< 0 || (u64
)line_ip
> end
)
1066 objdump_line
= objdump_line__new(offset
, line
);
1067 if (objdump_line
== NULL
) {
1071 objdump__add_line(head
, objdump_line
);
1076 int hist_entry__annotate(struct hist_entry
*self
, struct list_head
*head
)
1078 struct symbol
*sym
= self
->ms
.sym
;
1079 struct map
*map
= self
->ms
.map
;
1080 struct dso
*dso
= map
->dso
;
1081 char *filename
= dso__build_id_filename(dso
, NULL
, 0);
1082 bool free_filename
= true;
1083 char command
[PATH_MAX
* 2];
1088 if (filename
== NULL
) {
1089 if (dso
->has_build_id
) {
1090 pr_err("Can't annotate %s: not enough memory\n",
1095 } else if (readlink(filename
, command
, sizeof(command
)) < 0 ||
1096 strstr(command
, "[kernel.kallsyms]") ||
1097 access(filename
, R_OK
)) {
1101 * If we don't have build-ids or the build-id file isn't in the
1102 * cache, or is just a kallsyms file, well, lets hope that this
1103 * DSO is the same as when 'perf record' ran.
1105 filename
= dso
->long_name
;
1106 free_filename
= false;
1109 if (dso
->origin
== DSO__ORIG_KERNEL
) {
1110 if (dso
->annotate_warned
)
1111 goto out_free_filename
;
1113 dso
->annotate_warned
= 1;
1114 pr_err("Can't annotate %s: No vmlinux file was found in the "
1115 "path\n", sym
->name
);
1116 goto out_free_filename
;
1119 pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__
,
1120 filename
, sym
->name
, map
->unmap_ip(map
, sym
->start
),
1121 map
->unmap_ip(map
, sym
->end
));
1123 len
= sym
->end
- sym
->start
;
1125 pr_debug("annotating [%p] %30s : [%p] %30s\n",
1126 dso
, dso
->long_name
, sym
, sym
->name
);
1128 snprintf(command
, sizeof(command
),
1129 "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS -C %s|grep -v %s|expand",
1130 map__rip_2objdump(map
, sym
->start
),
1131 map__rip_2objdump(map
, sym
->end
),
1132 filename
, filename
);
1134 pr_debug("Executing: %s\n", command
);
1136 file
= popen(command
, "r");
1138 goto out_free_filename
;
1141 if (hist_entry__parse_objdump_line(self
, file
, head
) < 0)
1151 void hists__inc_nr_events(struct hists
*self
, u32 type
)
1153 ++self
->stats
.nr_events
[0];
1154 ++self
->stats
.nr_events
[type
];
1157 size_t hists__fprintf_nr_events(struct hists
*self
, FILE *fp
)
1162 for (i
= 0; i
< PERF_RECORD_HEADER_MAX
; ++i
) {
1163 if (!event__name
[i
])
1165 ret
+= fprintf(fp
, "%10s events: %10d\n",
1166 event__name
[i
], self
->stats
.nr_events
[i
]);