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  1// SPDX-License-Identifier: GPL-2.0
  2#include <inttypes.h>
  3#include <math.h>
  4#include <stdlib.h>
  5#include <string.h>
  6#include <linux/compiler.h>
  7
  8#include "../util/callchain.h"
  9#include "../util/debug.h"
 10#include "../util/hist.h"
 11#include "../util/sort.h"
 12#include "../util/evsel.h"
 13#include "../util/evlist.h"
 14#include "../perf.h"
 15
 16/* hist period print (hpp) functions */
 17
 18#define hpp__call_print_fn(hpp, fn, fmt, ...)			\
 19({								\
 20	int __ret = fn(hpp, fmt, ##__VA_ARGS__);		\
 21	advance_hpp(hpp, __ret);				\
 22	__ret;							\
 23})
 24
 25static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 26		      hpp_field_fn get_field, const char *fmt, int len,
 27		      hpp_snprint_fn print_fn, bool fmt_percent)
 28{
 29	int ret;
 30	struct hists *hists = he->hists;
 31	struct evsel *evsel = hists_to_evsel(hists);
 32	char *buf = hpp->buf;
 33	size_t size = hpp->size;
 34
 35	if (fmt_percent) {
 36		double percent = 0.0;
 37		u64 total = hists__total_period(hists);
 38
 39		if (total)
 40			percent = 100.0 * get_field(he) / total;
 41
 42		ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
 43	} else
 44		ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
 45
 46	if (perf_evsel__is_group_event(evsel)) {
 47		int prev_idx, idx_delta;
 48		struct hist_entry *pair;
 49		int nr_members = evsel->core.nr_members;
 50
 51		prev_idx = perf_evsel__group_idx(evsel);
 52
 53		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 54			u64 period = get_field(pair);
 55			u64 total = hists__total_period(pair->hists);
 56
 57			if (!total)
 58				continue;
 59
 60			evsel = hists_to_evsel(pair->hists);
 61			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
 62
 63			while (idx_delta--) {
 64				/*
 65				 * zero-fill group members in the middle which
 66				 * have no sample
 67				 */
 68				if (fmt_percent) {
 69					ret += hpp__call_print_fn(hpp, print_fn,
 70								  fmt, len, 0.0);
 71				} else {
 72					ret += hpp__call_print_fn(hpp, print_fn,
 73								  fmt, len, 0ULL);
 74				}
 75			}
 76
 77			if (fmt_percent) {
 78				ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
 79							  100.0 * period / total);
 80			} else {
 81				ret += hpp__call_print_fn(hpp, print_fn, fmt,
 82							  len, period);
 83			}
 84
 85			prev_idx = perf_evsel__group_idx(evsel);
 86		}
 87
 88		idx_delta = nr_members - prev_idx - 1;
 89
 90		while (idx_delta--) {
 91			/*
 92			 * zero-fill group members at last which have no sample
 93			 */
 94			if (fmt_percent) {
 95				ret += hpp__call_print_fn(hpp, print_fn,
 96							  fmt, len, 0.0);
 97			} else {
 98				ret += hpp__call_print_fn(hpp, print_fn,
 99							  fmt, len, 0ULL);
100			}
101		}
102	}
103
104	/*
105	 * Restore original buf and size as it's where caller expects
106	 * the result will be saved.
107	 */
108	hpp->buf = buf;
109	hpp->size = size;
110
111	return ret;
112}
113
114int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
115	     struct hist_entry *he, hpp_field_fn get_field,
116	     const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
117{
118	int len = fmt->user_len ?: fmt->len;
119
120	if (symbol_conf.field_sep) {
121		return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
122				  print_fn, fmt_percent);
123	}
124
125	if (fmt_percent)
126		len -= 2; /* 2 for a space and a % sign */
127	else
128		len -= 1;
129
130	return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
131}
132
133int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
134		 struct hist_entry *he, hpp_field_fn get_field,
135		 const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
136{
137	if (!symbol_conf.cumulate_callchain) {
138		int len = fmt->user_len ?: fmt->len;
139		return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
140	}
141
142	return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
143}
144
145static int field_cmp(u64 field_a, u64 field_b)
146{
147	if (field_a > field_b)
148		return 1;
149	if (field_a < field_b)
150		return -1;
151	return 0;
152}
153
154static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
155		       hpp_field_fn get_field)
156{
157	s64 ret;
158	int i, nr_members;
159	struct evsel *evsel;
160	struct hist_entry *pair;
161	u64 *fields_a, *fields_b;
162
163	ret = field_cmp(get_field(a), get_field(b));
164	if (ret || !symbol_conf.event_group)
165		return ret;
166
167	evsel = hists_to_evsel(a->hists);
168	if (!perf_evsel__is_group_event(evsel))
169		return ret;
170
171	nr_members = evsel->core.nr_members;
172	fields_a = calloc(nr_members, sizeof(*fields_a));
173	fields_b = calloc(nr_members, sizeof(*fields_b));
174
175	if (!fields_a || !fields_b)
176		goto out;
177
178	list_for_each_entry(pair, &a->pairs.head, pairs.node) {
179		evsel = hists_to_evsel(pair->hists);
180		fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
181	}
182
183	list_for_each_entry(pair, &b->pairs.head, pairs.node) {
184		evsel = hists_to_evsel(pair->hists);
185		fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
186	}
187
188	for (i = 1; i < nr_members; i++) {
189		ret = field_cmp(fields_a[i], fields_b[i]);
190		if (ret)
191			break;
192	}
193
194out:
195	free(fields_a);
196	free(fields_b);
197
198	return ret;
199}
200
201static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
202			   hpp_field_fn get_field)
203{
204	s64 ret = 0;
205
206	if (symbol_conf.cumulate_callchain) {
207		/*
208		 * Put caller above callee when they have equal period.
209		 */
210		ret = field_cmp(get_field(a), get_field(b));
211		if (ret)
212			return ret;
213
214		if (a->thread != b->thread || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
215			return 0;
216
217		ret = b->callchain->max_depth - a->callchain->max_depth;
218		if (callchain_param.order == ORDER_CALLER)
219			ret = -ret;
220	}
221	return ret;
222}
223
224static int hpp__width_fn(struct perf_hpp_fmt *fmt,
225			 struct perf_hpp *hpp __maybe_unused,
226			 struct hists *hists)
227{
228	int len = fmt->user_len ?: fmt->len;
229	struct evsel *evsel = hists_to_evsel(hists);
230
231	if (symbol_conf.event_group)
232		len = max(len, evsel->core.nr_members * fmt->len);
233
234	if (len < (int)strlen(fmt->name))
235		len = strlen(fmt->name);
236
237	return len;
238}
239
240static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
241			  struct hists *hists, int line __maybe_unused,
242			  int *span __maybe_unused)
243{
244	int len = hpp__width_fn(fmt, hpp, hists);
245	return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
246}
247
248int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
249{
250	va_list args;
251	ssize_t ssize = hpp->size;
252	double percent;
253	int ret, len;
254
255	va_start(args, fmt);
256	len = va_arg(args, int);
257	percent = va_arg(args, double);
258	ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
259	va_end(args);
260
261	return (ret >= ssize) ? (ssize - 1) : ret;
262}
263
264static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
265{
266	va_list args;
267	ssize_t ssize = hpp->size;
268	int ret;
269
270	va_start(args, fmt);
271	ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
272	va_end(args);
273
274	return (ret >= ssize) ? (ssize - 1) : ret;
275}
276
277#define __HPP_COLOR_PERCENT_FN(_type, _field)					\
278static u64 he_get_##_field(struct hist_entry *he)				\
279{										\
280	return he->stat._field;							\
281}										\
282										\
283static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
284			      struct perf_hpp *hpp, struct hist_entry *he) 	\
285{										\
286	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
287			hpp_color_scnprintf, true);				\
288}
289
290#define __HPP_ENTRY_PERCENT_FN(_type, _field)					\
291static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
292			      struct perf_hpp *hpp, struct hist_entry *he) 	\
293{										\
294	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
295			hpp_entry_scnprintf, true);				\
296}
297
298#define __HPP_SORT_FN(_type, _field)						\
299static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
300				 struct hist_entry *a, struct hist_entry *b) 	\
301{										\
302	return __hpp__sort(a, b, he_get_##_field);				\
303}
304
305#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
306static u64 he_get_acc_##_field(struct hist_entry *he)				\
307{										\
308	return he->stat_acc->_field;						\
309}										\
310										\
311static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
312			      struct perf_hpp *hpp, struct hist_entry *he) 	\
313{										\
314	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", 	\
315			    hpp_color_scnprintf, true);				\
316}
317
318#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
319static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
320			      struct perf_hpp *hpp, struct hist_entry *he) 	\
321{										\
322	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",	\
323			    hpp_entry_scnprintf, true);				\
324}
325
326#define __HPP_SORT_ACC_FN(_type, _field)					\
327static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
328				 struct hist_entry *a, struct hist_entry *b) 	\
329{										\
330	return __hpp__sort_acc(a, b, he_get_acc_##_field);			\
331}
332
333#define __HPP_ENTRY_RAW_FN(_type, _field)					\
334static u64 he_get_raw_##_field(struct hist_entry *he)				\
335{										\
336	return he->stat._field;							\
337}										\
338										\
339static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
340			      struct perf_hpp *hpp, struct hist_entry *he) 	\
341{										\
342	return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, 	\
343			hpp_entry_scnprintf, false);				\
344}
345
346#define __HPP_SORT_RAW_FN(_type, _field)					\
347static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
348				 struct hist_entry *a, struct hist_entry *b) 	\
349{										\
350	return __hpp__sort(a, b, he_get_raw_##_field);				\
351}
352
353
354#define HPP_PERCENT_FNS(_type, _field)					\
355__HPP_COLOR_PERCENT_FN(_type, _field)					\
356__HPP_ENTRY_PERCENT_FN(_type, _field)					\
357__HPP_SORT_FN(_type, _field)
358
359#define HPP_PERCENT_ACC_FNS(_type, _field)				\
360__HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
361__HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
362__HPP_SORT_ACC_FN(_type, _field)
363
364#define HPP_RAW_FNS(_type, _field)					\
365__HPP_ENTRY_RAW_FN(_type, _field)					\
366__HPP_SORT_RAW_FN(_type, _field)
367
368HPP_PERCENT_FNS(overhead, period)
369HPP_PERCENT_FNS(overhead_sys, period_sys)
370HPP_PERCENT_FNS(overhead_us, period_us)
371HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
372HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
373HPP_PERCENT_ACC_FNS(overhead_acc, period)
374
375HPP_RAW_FNS(samples, nr_events)
376HPP_RAW_FNS(period, period)
377
378static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
379			    struct hist_entry *a __maybe_unused,
380			    struct hist_entry *b __maybe_unused)
381{
382	return 0;
383}
384
385static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
386{
387	return a->header == hpp__header_fn;
388}
389
390static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
391{
392	if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
393		return false;
394
395	return a->idx == b->idx;
396}
397
398#define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)		\
399	{						\
400		.name   = _name,			\
401		.header	= hpp__header_fn,		\
402		.width	= hpp__width_fn,		\
403		.color	= hpp__color_ ## _fn,		\
404		.entry	= hpp__entry_ ## _fn,		\
405		.cmp	= hpp__nop_cmp,			\
406		.collapse = hpp__nop_cmp,		\
407		.sort	= hpp__sort_ ## _fn,		\
408		.idx	= PERF_HPP__ ## _idx,		\
409		.equal	= hpp__equal,			\
410	}
411
412#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)	\
413	{						\
414		.name   = _name,			\
415		.header	= hpp__header_fn,		\
416		.width	= hpp__width_fn,		\
417		.color	= hpp__color_ ## _fn,		\
418		.entry	= hpp__entry_ ## _fn,		\
419		.cmp	= hpp__nop_cmp,			\
420		.collapse = hpp__nop_cmp,		\
421		.sort	= hpp__sort_ ## _fn,		\
422		.idx	= PERF_HPP__ ## _idx,		\
423		.equal	= hpp__equal,			\
424	}
425
426#define HPP__PRINT_FNS(_name, _fn, _idx)		\
427	{						\
428		.name   = _name,			\
429		.header	= hpp__header_fn,		\
430		.width	= hpp__width_fn,		\
431		.entry	= hpp__entry_ ## _fn,		\
432		.cmp	= hpp__nop_cmp,			\
433		.collapse = hpp__nop_cmp,		\
434		.sort	= hpp__sort_ ## _fn,		\
435		.idx	= PERF_HPP__ ## _idx,		\
436		.equal	= hpp__equal,			\
437	}
438
439struct perf_hpp_fmt perf_hpp__format[] = {
440	HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
441	HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
442	HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
443	HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
444	HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
445	HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
446	HPP__PRINT_FNS("Samples", samples, SAMPLES),
447	HPP__PRINT_FNS("Period", period, PERIOD)
448};
449
450struct perf_hpp_list perf_hpp_list = {
451	.fields	= LIST_HEAD_INIT(perf_hpp_list.fields),
452	.sorts	= LIST_HEAD_INIT(perf_hpp_list.sorts),
453	.nr_header_lines = 1,
454};
455
456#undef HPP__COLOR_PRINT_FNS
457#undef HPP__COLOR_ACC_PRINT_FNS
458#undef HPP__PRINT_FNS
459
460#undef HPP_PERCENT_FNS
461#undef HPP_PERCENT_ACC_FNS
462#undef HPP_RAW_FNS
463
464#undef __HPP_HEADER_FN
465#undef __HPP_WIDTH_FN
466#undef __HPP_COLOR_PERCENT_FN
467#undef __HPP_ENTRY_PERCENT_FN
468#undef __HPP_COLOR_ACC_PERCENT_FN
469#undef __HPP_ENTRY_ACC_PERCENT_FN
470#undef __HPP_ENTRY_RAW_FN
471#undef __HPP_SORT_FN
472#undef __HPP_SORT_ACC_FN
473#undef __HPP_SORT_RAW_FN
474
475
476void perf_hpp__init(void)
477{
478	int i;
479
480	for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
481		struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
482
483		INIT_LIST_HEAD(&fmt->list);
484
485		/* sort_list may be linked by setup_sorting() */
486		if (fmt->sort_list.next == NULL)
487			INIT_LIST_HEAD(&fmt->sort_list);
488	}
489
490	/*
491	 * If user specified field order, no need to setup default fields.
492	 */
493	if (is_strict_order(field_order))
494		return;
495
496	if (symbol_conf.cumulate_callchain) {
497		hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
498		perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
499	}
500
501	hpp_dimension__add_output(PERF_HPP__OVERHEAD);
502
503	if (symbol_conf.show_cpu_utilization) {
504		hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
505		hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
506
507		if (perf_guest) {
508			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
509			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
510		}
511	}
512
513	if (symbol_conf.show_nr_samples)
514		hpp_dimension__add_output(PERF_HPP__SAMPLES);
515
516	if (symbol_conf.show_total_period)
517		hpp_dimension__add_output(PERF_HPP__PERIOD);
518}
519
520void perf_hpp_list__column_register(struct perf_hpp_list *list,
521				    struct perf_hpp_fmt *format)
522{
523	list_add_tail(&format->list, &list->fields);
524}
525
526void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
527					struct perf_hpp_fmt *format)
528{
529	list_add_tail(&format->sort_list, &list->sorts);
530}
531
532void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
533				       struct perf_hpp_fmt *format)
534{
535	list_add(&format->sort_list, &list->sorts);
536}
537
538void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
539{
540	list_del_init(&format->list);
541}
542
543void perf_hpp__cancel_cumulate(void)
544{
545	struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
546
547	if (is_strict_order(field_order))
548		return;
549
550	ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
551	acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
552
553	perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
554		if (acc->equal(acc, fmt)) {
555			perf_hpp__column_unregister(fmt);
556			continue;
557		}
558
559		if (ovh->equal(ovh, fmt))
560			fmt->name = "Overhead";
561	}
562}
563
564static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
565{
566	return a->equal && a->equal(a, b);
567}
568
569void perf_hpp__setup_output_field(struct perf_hpp_list *list)
570{
571	struct perf_hpp_fmt *fmt;
572
573	/* append sort keys to output field */
574	perf_hpp_list__for_each_sort_list(list, fmt) {
575		struct perf_hpp_fmt *pos;
576
577		/* skip sort-only fields ("sort_compute" in perf diff) */
578		if (!fmt->entry && !fmt->color)
579			continue;
580
581		perf_hpp_list__for_each_format(list, pos) {
582			if (fmt_equal(fmt, pos))
583				goto next;
584		}
585
586		perf_hpp__column_register(fmt);
587next:
588		continue;
589	}
590}
591
592void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
593{
594	struct perf_hpp_fmt *fmt;
595
596	/* append output fields to sort keys */
597	perf_hpp_list__for_each_format(list, fmt) {
598		struct perf_hpp_fmt *pos;
599
600		perf_hpp_list__for_each_sort_list(list, pos) {
601			if (fmt_equal(fmt, pos))
602				goto next;
603		}
604
605		perf_hpp__register_sort_field(fmt);
606next:
607		continue;
608	}
609}
610
611
612static void fmt_free(struct perf_hpp_fmt *fmt)
613{
614	/*
615	 * At this point fmt should be completely
616	 * unhooked, if not it's a bug.
617	 */
618	BUG_ON(!list_empty(&fmt->list));
619	BUG_ON(!list_empty(&fmt->sort_list));
620
621	if (fmt->free)
622		fmt->free(fmt);
623}
624
625void perf_hpp__reset_output_field(struct perf_hpp_list *list)
626{
627	struct perf_hpp_fmt *fmt, *tmp;
628
629	/* reset output fields */
630	perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
631		list_del_init(&fmt->list);
632		list_del_init(&fmt->sort_list);
633		fmt_free(fmt);
634	}
635
636	/* reset sort keys */
637	perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
638		list_del_init(&fmt->list);
639		list_del_init(&fmt->sort_list);
640		fmt_free(fmt);
641	}
642}
643
644/*
645 * See hists__fprintf to match the column widths
646 */
647unsigned int hists__sort_list_width(struct hists *hists)
648{
649	struct perf_hpp_fmt *fmt;
650	int ret = 0;
651	bool first = true;
652	struct perf_hpp dummy_hpp;
653
654	hists__for_each_format(hists, fmt) {
655		if (perf_hpp__should_skip(fmt, hists))
656			continue;
657
658		if (first)
659			first = false;
660		else
661			ret += 2;
662
663		ret += fmt->width(fmt, &dummy_hpp, hists);
664	}
665
666	if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
667		ret += 3 + BITS_PER_LONG / 4;
668
669	return ret;
670}
671
672unsigned int hists__overhead_width(struct hists *hists)
673{
674	struct perf_hpp_fmt *fmt;
675	int ret = 0;
676	bool first = true;
677	struct perf_hpp dummy_hpp;
678
679	hists__for_each_format(hists, fmt) {
680		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
681			break;
682
683		if (first)
684			first = false;
685		else
686			ret += 2;
687
688		ret += fmt->width(fmt, &dummy_hpp, hists);
689	}
690
691	return ret;
692}
693
694void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
695{
696	if (perf_hpp__is_sort_entry(fmt))
697		return perf_hpp__reset_sort_width(fmt, hists);
698
699	if (perf_hpp__is_dynamic_entry(fmt))
700		return;
701
702	BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
703
704	switch (fmt->idx) {
705	case PERF_HPP__OVERHEAD:
706	case PERF_HPP__OVERHEAD_SYS:
707	case PERF_HPP__OVERHEAD_US:
708	case PERF_HPP__OVERHEAD_ACC:
709		fmt->len = 8;
710		break;
711
712	case PERF_HPP__OVERHEAD_GUEST_SYS:
713	case PERF_HPP__OVERHEAD_GUEST_US:
714		fmt->len = 9;
715		break;
716
717	case PERF_HPP__SAMPLES:
718	case PERF_HPP__PERIOD:
719		fmt->len = 12;
720		break;
721
722	default:
723		break;
724	}
725}
726
727void hists__reset_column_width(struct hists *hists)
728{
729	struct perf_hpp_fmt *fmt;
730	struct perf_hpp_list_node *node;
731
732	hists__for_each_format(hists, fmt)
733		perf_hpp__reset_width(fmt, hists);
734
735	/* hierarchy entries have their own hpp list */
736	list_for_each_entry(node, &hists->hpp_formats, list) {
737		perf_hpp_list__for_each_format(&node->hpp, fmt)
738			perf_hpp__reset_width(fmt, hists);
739	}
740}
741
742void perf_hpp__set_user_width(const char *width_list_str)
743{
744	struct perf_hpp_fmt *fmt;
745	const char *ptr = width_list_str;
746
747	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
748		char *p;
749
750		int len = strtol(ptr, &p, 10);
751		fmt->user_len = len;
752
753		if (*p == ',')
754			ptr = p + 1;
755		else
756			break;
757	}
758}
759
760static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
761{
762	struct perf_hpp_list_node *node = NULL;
763	struct perf_hpp_fmt *fmt_copy;
764	bool found = false;
765	bool skip = perf_hpp__should_skip(fmt, hists);
766
767	list_for_each_entry(node, &hists->hpp_formats, list) {
768		if (node->level == fmt->level) {
769			found = true;
770			break;
771		}
772	}
773
774	if (!found) {
775		node = malloc(sizeof(*node));
776		if (node == NULL)
777			return -1;
778
779		node->skip = skip;
780		node->level = fmt->level;
781		perf_hpp_list__init(&node->hpp);
782
783		hists->nr_hpp_node++;
784		list_add_tail(&node->list, &hists->hpp_formats);
785	}
786
787	fmt_copy = perf_hpp_fmt__dup(fmt);
788	if (fmt_copy == NULL)
789		return -1;
790
791	if (!skip)
792		node->skip = false;
793
794	list_add_tail(&fmt_copy->list, &node->hpp.fields);
795	list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
796
797	return 0;
798}
799
800int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
801				  struct evlist *evlist)
802{
803	struct evsel *evsel;
804	struct perf_hpp_fmt *fmt;
805	struct hists *hists;
806	int ret;
807
808	if (!symbol_conf.report_hierarchy)
809		return 0;
810
811	evlist__for_each_entry(evlist, evsel) {
812		hists = evsel__hists(evsel);
813
814		perf_hpp_list__for_each_sort_list(list, fmt) {
815			if (perf_hpp__is_dynamic_entry(fmt) &&
816			    !perf_hpp__defined_dynamic_entry(fmt, hists))
817				continue;
818
819			ret = add_hierarchy_fmt(hists, fmt);
820			if (ret < 0)
821				return ret;
822		}
823	}
824
825	return 0;
826}