hist.c revision 8a1715044713722b9fa01419a2148a4a2a67aae5
1#include "annotate.h"
2#include "util.h"
3#include "build-id.h"
4#include "hist.h"
5#include "session.h"
6#include "sort.h"
7#include <math.h>
8
9enum hist_filter {
10	HIST_FILTER__DSO,
11	HIST_FILTER__THREAD,
12	HIST_FILTER__PARENT,
13};
14
15struct callchain_param	callchain_param = {
16	.mode	= CHAIN_GRAPH_REL,
17	.min_percent = 0.5
18};
19
20u16 hists__col_len(struct hists *self, enum hist_column col)
21{
22	return self->col_len[col];
23}
24
25void hists__set_col_len(struct hists *self, enum hist_column col, u16 len)
26{
27	self->col_len[col] = len;
28}
29
30bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len)
31{
32	if (len > hists__col_len(self, col)) {
33		hists__set_col_len(self, col, len);
34		return true;
35	}
36	return false;
37}
38
39static void hists__reset_col_len(struct hists *self)
40{
41	enum hist_column col;
42
43	for (col = 0; col < HISTC_NR_COLS; ++col)
44		hists__set_col_len(self, col, 0);
45}
46
47static void hists__calc_col_len(struct hists *self, struct hist_entry *h)
48{
49	u16 len;
50
51	if (h->ms.sym)
52		hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen);
53	else {
54		const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
55
56		if (hists__col_len(self, HISTC_DSO) < unresolved_col_width &&
57		    !symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
58		    !symbol_conf.dso_list)
59			hists__set_col_len(self, HISTC_DSO,
60					   unresolved_col_width);
61	}
62
63	len = thread__comm_len(h->thread);
64	if (hists__new_col_len(self, HISTC_COMM, len))
65		hists__set_col_len(self, HISTC_THREAD, len + 6);
66
67	if (h->ms.map) {
68		len = dso__name_len(h->ms.map->dso);
69		hists__new_col_len(self, HISTC_DSO, len);
70	}
71}
72
73static void hist_entry__add_cpumode_period(struct hist_entry *self,
74					   unsigned int cpumode, u64 period)
75{
76	switch (cpumode) {
77	case PERF_RECORD_MISC_KERNEL:
78		self->period_sys += period;
79		break;
80	case PERF_RECORD_MISC_USER:
81		self->period_us += period;
82		break;
83	case PERF_RECORD_MISC_GUEST_KERNEL:
84		self->period_guest_sys += period;
85		break;
86	case PERF_RECORD_MISC_GUEST_USER:
87		self->period_guest_us += period;
88		break;
89	default:
90		break;
91	}
92}
93
94/*
95 * histogram, sorted on item, collects periods
96 */
97
98static struct hist_entry *hist_entry__new(struct hist_entry *template)
99{
100	size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_root) : 0;
101	struct hist_entry *self = malloc(sizeof(*self) + callchain_size);
102
103	if (self != NULL) {
104		*self = *template;
105		self->nr_events = 1;
106		if (self->ms.map)
107			self->ms.map->referenced = true;
108		if (symbol_conf.use_callchain)
109			callchain_init(self->callchain);
110	}
111
112	return self;
113}
114
115static void hists__inc_nr_entries(struct hists *self, struct hist_entry *h)
116{
117	if (!h->filtered) {
118		hists__calc_col_len(self, h);
119		++self->nr_entries;
120	}
121}
122
123static u8 symbol__parent_filter(const struct symbol *parent)
124{
125	if (symbol_conf.exclude_other && parent == NULL)
126		return 1 << HIST_FILTER__PARENT;
127	return 0;
128}
129
130struct hist_entry *__hists__add_entry(struct hists *self,
131				      struct addr_location *al,
132				      struct symbol *sym_parent, u64 period)
133{
134	struct rb_node **p = &self->entries.rb_node;
135	struct rb_node *parent = NULL;
136	struct hist_entry *he;
137	struct hist_entry entry = {
138		.thread	= al->thread,
139		.ms = {
140			.map	= al->map,
141			.sym	= al->sym,
142		},
143		.cpu	= al->cpu,
144		.ip	= al->addr,
145		.level	= al->level,
146		.period	= period,
147		.parent = sym_parent,
148		.filtered = symbol__parent_filter(sym_parent),
149	};
150	int cmp;
151
152	while (*p != NULL) {
153		parent = *p;
154		he = rb_entry(parent, struct hist_entry, rb_node);
155
156		cmp = hist_entry__cmp(&entry, he);
157
158		if (!cmp) {
159			he->period += period;
160			++he->nr_events;
161			goto out;
162		}
163
164		if (cmp < 0)
165			p = &(*p)->rb_left;
166		else
167			p = &(*p)->rb_right;
168	}
169
170	he = hist_entry__new(&entry);
171	if (!he)
172		return NULL;
173	rb_link_node(&he->rb_node, parent, p);
174	rb_insert_color(&he->rb_node, &self->entries);
175	hists__inc_nr_entries(self, he);
176out:
177	hist_entry__add_cpumode_period(he, al->cpumode, period);
178	return he;
179}
180
181int64_t
182hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
183{
184	struct sort_entry *se;
185	int64_t cmp = 0;
186
187	list_for_each_entry(se, &hist_entry__sort_list, list) {
188		cmp = se->se_cmp(left, right);
189		if (cmp)
190			break;
191	}
192
193	return cmp;
194}
195
196int64_t
197hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
198{
199	struct sort_entry *se;
200	int64_t cmp = 0;
201
202	list_for_each_entry(se, &hist_entry__sort_list, list) {
203		int64_t (*f)(struct hist_entry *, struct hist_entry *);
204
205		f = se->se_collapse ?: se->se_cmp;
206
207		cmp = f(left, right);
208		if (cmp)
209			break;
210	}
211
212	return cmp;
213}
214
215void hist_entry__free(struct hist_entry *he)
216{
217	free(he);
218}
219
220/*
221 * collapse the histogram
222 */
223
224static bool hists__collapse_insert_entry(struct hists *self,
225					 struct rb_root *root,
226					 struct hist_entry *he)
227{
228	struct rb_node **p = &root->rb_node;
229	struct rb_node *parent = NULL;
230	struct hist_entry *iter;
231	int64_t cmp;
232
233	while (*p != NULL) {
234		parent = *p;
235		iter = rb_entry(parent, struct hist_entry, rb_node);
236
237		cmp = hist_entry__collapse(iter, he);
238
239		if (!cmp) {
240			iter->period += he->period;
241			if (symbol_conf.use_callchain) {
242				callchain_cursor_reset(&self->callchain_cursor);
243				callchain_merge(&self->callchain_cursor, iter->callchain,
244						he->callchain);
245			}
246			hist_entry__free(he);
247			return false;
248		}
249
250		if (cmp < 0)
251			p = &(*p)->rb_left;
252		else
253			p = &(*p)->rb_right;
254	}
255
256	rb_link_node(&he->rb_node, parent, p);
257	rb_insert_color(&he->rb_node, root);
258	return true;
259}
260
261void hists__collapse_resort(struct hists *self)
262{
263	struct rb_root tmp;
264	struct rb_node *next;
265	struct hist_entry *n;
266
267	if (!sort__need_collapse)
268		return;
269
270	tmp = RB_ROOT;
271	next = rb_first(&self->entries);
272	self->nr_entries = 0;
273	hists__reset_col_len(self);
274
275	while (next) {
276		n = rb_entry(next, struct hist_entry, rb_node);
277		next = rb_next(&n->rb_node);
278
279		rb_erase(&n->rb_node, &self->entries);
280		if (hists__collapse_insert_entry(self, &tmp, n))
281			hists__inc_nr_entries(self, n);
282	}
283
284	self->entries = tmp;
285}
286
287/*
288 * reverse the map, sort on period.
289 */
290
291static void __hists__insert_output_entry(struct rb_root *entries,
292					 struct hist_entry *he,
293					 u64 min_callchain_hits)
294{
295	struct rb_node **p = &entries->rb_node;
296	struct rb_node *parent = NULL;
297	struct hist_entry *iter;
298
299	if (symbol_conf.use_callchain)
300		callchain_param.sort(&he->sorted_chain, he->callchain,
301				      min_callchain_hits, &callchain_param);
302
303	while (*p != NULL) {
304		parent = *p;
305		iter = rb_entry(parent, struct hist_entry, rb_node);
306
307		if (he->period > iter->period)
308			p = &(*p)->rb_left;
309		else
310			p = &(*p)->rb_right;
311	}
312
313	rb_link_node(&he->rb_node, parent, p);
314	rb_insert_color(&he->rb_node, entries);
315}
316
317void hists__output_resort(struct hists *self)
318{
319	struct rb_root tmp;
320	struct rb_node *next;
321	struct hist_entry *n;
322	u64 min_callchain_hits;
323
324	min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100);
325
326	tmp = RB_ROOT;
327	next = rb_first(&self->entries);
328
329	self->nr_entries = 0;
330	hists__reset_col_len(self);
331
332	while (next) {
333		n = rb_entry(next, struct hist_entry, rb_node);
334		next = rb_next(&n->rb_node);
335
336		rb_erase(&n->rb_node, &self->entries);
337		__hists__insert_output_entry(&tmp, n, min_callchain_hits);
338		hists__inc_nr_entries(self, n);
339	}
340
341	self->entries = tmp;
342}
343
344static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
345{
346	int i;
347	int ret = fprintf(fp, "            ");
348
349	for (i = 0; i < left_margin; i++)
350		ret += fprintf(fp, " ");
351
352	return ret;
353}
354
355static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
356					  int left_margin)
357{
358	int i;
359	size_t ret = callchain__fprintf_left_margin(fp, left_margin);
360
361	for (i = 0; i < depth; i++)
362		if (depth_mask & (1 << i))
363			ret += fprintf(fp, "|          ");
364		else
365			ret += fprintf(fp, "           ");
366
367	ret += fprintf(fp, "\n");
368
369	return ret;
370}
371
372static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
373				     int depth, int depth_mask, int period,
374				     u64 total_samples, u64 hits,
375				     int left_margin)
376{
377	int i;
378	size_t ret = 0;
379
380	ret += callchain__fprintf_left_margin(fp, left_margin);
381	for (i = 0; i < depth; i++) {
382		if (depth_mask & (1 << i))
383			ret += fprintf(fp, "|");
384		else
385			ret += fprintf(fp, " ");
386		if (!period && i == depth - 1) {
387			double percent;
388
389			percent = hits * 100.0 / total_samples;
390			ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
391		} else
392			ret += fprintf(fp, "%s", "          ");
393	}
394	if (chain->ms.sym)
395		ret += fprintf(fp, "%s\n", chain->ms.sym->name);
396	else
397		ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
398
399	return ret;
400}
401
402static struct symbol *rem_sq_bracket;
403static struct callchain_list rem_hits;
404
405static void init_rem_hits(void)
406{
407	rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
408	if (!rem_sq_bracket) {
409		fprintf(stderr, "Not enough memory to display remaining hits\n");
410		return;
411	}
412
413	strcpy(rem_sq_bracket->name, "[...]");
414	rem_hits.ms.sym = rem_sq_bracket;
415}
416
417static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
418					 u64 total_samples, int depth,
419					 int depth_mask, int left_margin)
420{
421	struct rb_node *node, *next;
422	struct callchain_node *child;
423	struct callchain_list *chain;
424	int new_depth_mask = depth_mask;
425	u64 new_total;
426	u64 remaining;
427	size_t ret = 0;
428	int i;
429	uint entries_printed = 0;
430
431	if (callchain_param.mode == CHAIN_GRAPH_REL)
432		new_total = self->children_hit;
433	else
434		new_total = total_samples;
435
436	remaining = new_total;
437
438	node = rb_first(&self->rb_root);
439	while (node) {
440		u64 cumul;
441
442		child = rb_entry(node, struct callchain_node, rb_node);
443		cumul = callchain_cumul_hits(child);
444		remaining -= cumul;
445
446		/*
447		 * The depth mask manages the output of pipes that show
448		 * the depth. We don't want to keep the pipes of the current
449		 * level for the last child of this depth.
450		 * Except if we have remaining filtered hits. They will
451		 * supersede the last child
452		 */
453		next = rb_next(node);
454		if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
455			new_depth_mask &= ~(1 << (depth - 1));
456
457		/*
458		 * But we keep the older depth mask for the line separator
459		 * to keep the level link until we reach the last child
460		 */
461		ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
462						   left_margin);
463		i = 0;
464		list_for_each_entry(chain, &child->val, list) {
465			ret += ipchain__fprintf_graph(fp, chain, depth,
466						      new_depth_mask, i++,
467						      new_total,
468						      cumul,
469						      left_margin);
470		}
471		ret += __callchain__fprintf_graph(fp, child, new_total,
472						  depth + 1,
473						  new_depth_mask | (1 << depth),
474						  left_margin);
475		node = next;
476		if (++entries_printed == callchain_param.print_limit)
477			break;
478	}
479
480	if (callchain_param.mode == CHAIN_GRAPH_REL &&
481		remaining && remaining != new_total) {
482
483		if (!rem_sq_bracket)
484			return ret;
485
486		new_depth_mask &= ~(1 << (depth - 1));
487
488		ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
489					      new_depth_mask, 0, new_total,
490					      remaining, left_margin);
491	}
492
493	return ret;
494}
495
496static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
497				       u64 total_samples, int left_margin)
498{
499	struct callchain_list *chain;
500	bool printed = false;
501	int i = 0;
502	int ret = 0;
503	u32 entries_printed = 0;
504
505	list_for_each_entry(chain, &self->val, list) {
506		if (!i++ && sort__first_dimension == SORT_SYM)
507			continue;
508
509		if (!printed) {
510			ret += callchain__fprintf_left_margin(fp, left_margin);
511			ret += fprintf(fp, "|\n");
512			ret += callchain__fprintf_left_margin(fp, left_margin);
513			ret += fprintf(fp, "---");
514
515			left_margin += 3;
516			printed = true;
517		} else
518			ret += callchain__fprintf_left_margin(fp, left_margin);
519
520		if (chain->ms.sym)
521			ret += fprintf(fp, " %s\n", chain->ms.sym->name);
522		else
523			ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
524
525		if (++entries_printed == callchain_param.print_limit)
526			break;
527	}
528
529	ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin);
530
531	return ret;
532}
533
534static size_t callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
535				      u64 total_samples)
536{
537	struct callchain_list *chain;
538	size_t ret = 0;
539
540	if (!self)
541		return 0;
542
543	ret += callchain__fprintf_flat(fp, self->parent, total_samples);
544
545
546	list_for_each_entry(chain, &self->val, list) {
547		if (chain->ip >= PERF_CONTEXT_MAX)
548			continue;
549		if (chain->ms.sym)
550			ret += fprintf(fp, "                %s\n", chain->ms.sym->name);
551		else
552			ret += fprintf(fp, "                %p\n",
553					(void *)(long)chain->ip);
554	}
555
556	return ret;
557}
558
559static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
560					    u64 total_samples, int left_margin)
561{
562	struct rb_node *rb_node;
563	struct callchain_node *chain;
564	size_t ret = 0;
565	u32 entries_printed = 0;
566
567	rb_node = rb_first(&self->sorted_chain);
568	while (rb_node) {
569		double percent;
570
571		chain = rb_entry(rb_node, struct callchain_node, rb_node);
572		percent = chain->hit * 100.0 / total_samples;
573		switch (callchain_param.mode) {
574		case CHAIN_FLAT:
575			ret += percent_color_fprintf(fp, "           %6.2f%%\n",
576						     percent);
577			ret += callchain__fprintf_flat(fp, chain, total_samples);
578			break;
579		case CHAIN_GRAPH_ABS: /* Falldown */
580		case CHAIN_GRAPH_REL:
581			ret += callchain__fprintf_graph(fp, chain, total_samples,
582							left_margin);
583		case CHAIN_NONE:
584		default:
585			break;
586		}
587		ret += fprintf(fp, "\n");
588		if (++entries_printed == callchain_param.print_limit)
589			break;
590		rb_node = rb_next(rb_node);
591	}
592
593	return ret;
594}
595
596int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
597			 struct hists *hists, struct hists *pair_hists,
598			 bool show_displacement, long displacement,
599			 bool color, u64 session_total)
600{
601	struct sort_entry *se;
602	u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
603	u64 nr_events;
604	const char *sep = symbol_conf.field_sep;
605	int ret;
606
607	if (symbol_conf.exclude_other && !self->parent)
608		return 0;
609
610	if (pair_hists) {
611		period = self->pair ? self->pair->period : 0;
612		nr_events = self->pair ? self->pair->nr_events : 0;
613		total = pair_hists->stats.total_period;
614		period_sys = self->pair ? self->pair->period_sys : 0;
615		period_us = self->pair ? self->pair->period_us : 0;
616		period_guest_sys = self->pair ? self->pair->period_guest_sys : 0;
617		period_guest_us = self->pair ? self->pair->period_guest_us : 0;
618	} else {
619		period = self->period;
620		nr_events = self->nr_events;
621		total = session_total;
622		period_sys = self->period_sys;
623		period_us = self->period_us;
624		period_guest_sys = self->period_guest_sys;
625		period_guest_us = self->period_guest_us;
626	}
627
628	if (total) {
629		if (color)
630			ret = percent_color_snprintf(s, size,
631						     sep ? "%.2f" : "   %6.2f%%",
632						     (period * 100.0) / total);
633		else
634			ret = snprintf(s, size, sep ? "%.2f" : "   %6.2f%%",
635				       (period * 100.0) / total);
636		if (symbol_conf.show_cpu_utilization) {
637			ret += percent_color_snprintf(s + ret, size - ret,
638					sep ? "%.2f" : "   %6.2f%%",
639					(period_sys * 100.0) / total);
640			ret += percent_color_snprintf(s + ret, size - ret,
641					sep ? "%.2f" : "   %6.2f%%",
642					(period_us * 100.0) / total);
643			if (perf_guest) {
644				ret += percent_color_snprintf(s + ret,
645						size - ret,
646						sep ? "%.2f" : "   %6.2f%%",
647						(period_guest_sys * 100.0) /
648								total);
649				ret += percent_color_snprintf(s + ret,
650						size - ret,
651						sep ? "%.2f" : "   %6.2f%%",
652						(period_guest_us * 100.0) /
653								total);
654			}
655		}
656	} else
657		ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
658
659	if (symbol_conf.show_nr_samples) {
660		if (sep)
661			ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
662		else
663			ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
664	}
665
666	if (pair_hists) {
667		char bf[32];
668		double old_percent = 0, new_percent = 0, diff;
669
670		if (total > 0)
671			old_percent = (period * 100.0) / total;
672		if (session_total > 0)
673			new_percent = (self->period * 100.0) / session_total;
674
675		diff = new_percent - old_percent;
676
677		if (fabs(diff) >= 0.01)
678			snprintf(bf, sizeof(bf), "%+4.2F%%", diff);
679		else
680			snprintf(bf, sizeof(bf), " ");
681
682		if (sep)
683			ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
684		else
685			ret += snprintf(s + ret, size - ret, "%11.11s", bf);
686
687		if (show_displacement) {
688			if (displacement)
689				snprintf(bf, sizeof(bf), "%+4ld", displacement);
690			else
691				snprintf(bf, sizeof(bf), " ");
692
693			if (sep)
694				ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
695			else
696				ret += snprintf(s + ret, size - ret, "%6.6s", bf);
697		}
698	}
699
700	list_for_each_entry(se, &hist_entry__sort_list, list) {
701		if (se->elide)
702			continue;
703
704		ret += snprintf(s + ret, size - ret, "%s", sep ?: "  ");
705		ret += se->se_snprintf(self, s + ret, size - ret,
706				       hists__col_len(hists, se->se_width_idx));
707	}
708
709	return ret;
710}
711
712int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
713			struct hists *pair_hists, bool show_displacement,
714			long displacement, FILE *fp, u64 session_total)
715{
716	char bf[512];
717	hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists,
718			     show_displacement, displacement,
719			     true, session_total);
720	return fprintf(fp, "%s\n", bf);
721}
722
723static size_t hist_entry__fprintf_callchain(struct hist_entry *self,
724					    struct hists *hists, FILE *fp,
725					    u64 session_total)
726{
727	int left_margin = 0;
728
729	if (sort__first_dimension == SORT_COMM) {
730		struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
731							 typeof(*se), list);
732		left_margin = hists__col_len(hists, se->se_width_idx);
733		left_margin -= thread__comm_len(self->thread);
734	}
735
736	return hist_entry_callchain__fprintf(fp, self, session_total,
737					     left_margin);
738}
739
740size_t hists__fprintf(struct hists *self, struct hists *pair,
741		      bool show_displacement, FILE *fp)
742{
743	struct sort_entry *se;
744	struct rb_node *nd;
745	size_t ret = 0;
746	unsigned long position = 1;
747	long displacement = 0;
748	unsigned int width;
749	const char *sep = symbol_conf.field_sep;
750	const char *col_width = symbol_conf.col_width_list_str;
751
752	init_rem_hits();
753
754	fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
755
756	if (symbol_conf.show_nr_samples) {
757		if (sep)
758			fprintf(fp, "%cSamples", *sep);
759		else
760			fputs("  Samples  ", fp);
761	}
762
763	if (symbol_conf.show_cpu_utilization) {
764		if (sep) {
765			ret += fprintf(fp, "%csys", *sep);
766			ret += fprintf(fp, "%cus", *sep);
767			if (perf_guest) {
768				ret += fprintf(fp, "%cguest sys", *sep);
769				ret += fprintf(fp, "%cguest us", *sep);
770			}
771		} else {
772			ret += fprintf(fp, "  sys  ");
773			ret += fprintf(fp, "  us  ");
774			if (perf_guest) {
775				ret += fprintf(fp, "  guest sys  ");
776				ret += fprintf(fp, "  guest us  ");
777			}
778		}
779	}
780
781	if (pair) {
782		if (sep)
783			ret += fprintf(fp, "%cDelta", *sep);
784		else
785			ret += fprintf(fp, "  Delta    ");
786
787		if (show_displacement) {
788			if (sep)
789				ret += fprintf(fp, "%cDisplacement", *sep);
790			else
791				ret += fprintf(fp, " Displ");
792		}
793	}
794
795	list_for_each_entry(se, &hist_entry__sort_list, list) {
796		if (se->elide)
797			continue;
798		if (sep) {
799			fprintf(fp, "%c%s", *sep, se->se_header);
800			continue;
801		}
802		width = strlen(se->se_header);
803		if (symbol_conf.col_width_list_str) {
804			if (col_width) {
805				hists__set_col_len(self, se->se_width_idx,
806						   atoi(col_width));
807				col_width = strchr(col_width, ',');
808				if (col_width)
809					++col_width;
810			}
811		}
812		if (!hists__new_col_len(self, se->se_width_idx, width))
813			width = hists__col_len(self, se->se_width_idx);
814		fprintf(fp, "  %*s", width, se->se_header);
815	}
816	fprintf(fp, "\n");
817
818	if (sep)
819		goto print_entries;
820
821	fprintf(fp, "# ........");
822	if (symbol_conf.show_nr_samples)
823		fprintf(fp, " ..........");
824	if (pair) {
825		fprintf(fp, " ..........");
826		if (show_displacement)
827			fprintf(fp, " .....");
828	}
829	list_for_each_entry(se, &hist_entry__sort_list, list) {
830		unsigned int i;
831
832		if (se->elide)
833			continue;
834
835		fprintf(fp, "  ");
836		width = hists__col_len(self, se->se_width_idx);
837		if (width == 0)
838			width = strlen(se->se_header);
839		for (i = 0; i < width; i++)
840			fprintf(fp, ".");
841	}
842
843	fprintf(fp, "\n#\n");
844
845print_entries:
846	for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
847		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
848
849		if (show_displacement) {
850			if (h->pair != NULL)
851				displacement = ((long)h->pair->position -
852					        (long)position);
853			else
854				displacement = 0;
855			++position;
856		}
857		ret += hist_entry__fprintf(h, self, pair, show_displacement,
858					   displacement, fp, self->stats.total_period);
859
860		if (symbol_conf.use_callchain)
861			ret += hist_entry__fprintf_callchain(h, self, fp,
862							     self->stats.total_period);
863		if (h->ms.map == NULL && verbose > 1) {
864			__map_groups__fprintf_maps(&h->thread->mg,
865						   MAP__FUNCTION, verbose, fp);
866			fprintf(fp, "%.10s end\n", graph_dotted_line);
867		}
868	}
869
870	free(rem_sq_bracket);
871
872	return ret;
873}
874
875/*
876 * See hists__fprintf to match the column widths
877 */
878unsigned int hists__sort_list_width(struct hists *self)
879{
880	struct sort_entry *se;
881	int ret = 9; /* total % */
882
883	if (symbol_conf.show_cpu_utilization) {
884		ret += 7; /* count_sys % */
885		ret += 6; /* count_us % */
886		if (perf_guest) {
887			ret += 13; /* count_guest_sys % */
888			ret += 12; /* count_guest_us % */
889		}
890	}
891
892	if (symbol_conf.show_nr_samples)
893		ret += 11;
894
895	list_for_each_entry(se, &hist_entry__sort_list, list)
896		if (!se->elide)
897			ret += 2 + hists__col_len(self, se->se_width_idx);
898
899	if (verbose) /* Addr + origin */
900		ret += 3 + BITS_PER_LONG / 4;
901
902	return ret;
903}
904
905static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h,
906				       enum hist_filter filter)
907{
908	h->filtered &= ~(1 << filter);
909	if (h->filtered)
910		return;
911
912	++self->nr_entries;
913	if (h->ms.unfolded)
914		self->nr_entries += h->nr_rows;
915	h->row_offset = 0;
916	self->stats.total_period += h->period;
917	self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
918
919	hists__calc_col_len(self, h);
920}
921
922void hists__filter_by_dso(struct hists *self, const struct dso *dso)
923{
924	struct rb_node *nd;
925
926	self->nr_entries = self->stats.total_period = 0;
927	self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
928	hists__reset_col_len(self);
929
930	for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
931		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
932
933		if (symbol_conf.exclude_other && !h->parent)
934			continue;
935
936		if (dso != NULL && (h->ms.map == NULL || h->ms.map->dso != dso)) {
937			h->filtered |= (1 << HIST_FILTER__DSO);
938			continue;
939		}
940
941		hists__remove_entry_filter(self, h, HIST_FILTER__DSO);
942	}
943}
944
945void hists__filter_by_thread(struct hists *self, const struct thread *thread)
946{
947	struct rb_node *nd;
948
949	self->nr_entries = self->stats.total_period = 0;
950	self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
951	hists__reset_col_len(self);
952
953	for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
954		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
955
956		if (thread != NULL && h->thread != thread) {
957			h->filtered |= (1 << HIST_FILTER__THREAD);
958			continue;
959		}
960
961		hists__remove_entry_filter(self, h, HIST_FILTER__THREAD);
962	}
963}
964
965int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
966{
967	return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);
968}
969
970int hist_entry__annotate(struct hist_entry *he, size_t privsize)
971{
972    /* ANDROID_CHANGE_BEGIN */
973#if 0
974	return symbol__annotate(he->ms.sym, he->ms.map, privsize);
975#else
976	return symbol__annotate(he->ms.sym, he->ms.map, privsize, false);
977#endif
978    /* ANDROID_CHANGE_END */
979}
980
981void hists__inc_nr_events(struct hists *self, u32 type)
982{
983	++self->stats.nr_events[0];
984	++self->stats.nr_events[type];
985}
986
987size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
988{
989	int i;
990	size_t ret = 0;
991
992	for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
993		const char *name;
994
995		if (self->stats.nr_events[i] == 0)
996			continue;
997
998		name = perf_event__name(i);
999		if (!strcmp(name, "UNKNOWN"))
1000			continue;
1001
1002		ret += fprintf(fp, "%16s events: %10d\n", name,
1003			       self->stats.nr_events[i]);
1004	}
1005
1006	return ret;
1007}
1008