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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 (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 = 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 = 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 = 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 hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
155				hpp_field_fn get_field, int nr_members,
156				u64 **fields_a, u64 **fields_b)
157{
158	u64 *fa = calloc(nr_members, sizeof(*fa)),
159	    *fb = calloc(nr_members, sizeof(*fb));
160	struct hist_entry *pair;
161
162	if (!fa || !fb)
163		goto out_free;
164
165	list_for_each_entry(pair, &a->pairs.head, pairs.node) {
166		struct evsel *evsel = hists_to_evsel(pair->hists);
167		fa[evsel__group_idx(evsel)] = get_field(pair);
168	}
169
170	list_for_each_entry(pair, &b->pairs.head, pairs.node) {
171		struct evsel *evsel = hists_to_evsel(pair->hists);
172		fb[evsel__group_idx(evsel)] = get_field(pair);
173	}
174
175	*fields_a = fa;
176	*fields_b = fb;
177	return 0;
178out_free:
179	free(fa);
180	free(fb);
181	*fields_a = *fields_b = NULL;
182	return -1;
183}
184
185static int __hpp__group_sort_idx(struct hist_entry *a, struct hist_entry *b,
186				 hpp_field_fn get_field, int idx)
187{
188	struct evsel *evsel = hists_to_evsel(a->hists);
189	u64 *fields_a, *fields_b;
190	int cmp, nr_members, ret, i;
191
192	cmp = field_cmp(get_field(a), get_field(b));
193	if (!evsel__is_group_event(evsel))
194		return cmp;
195
196	nr_members = evsel->core.nr_members;
197	if (idx < 1 || idx >= nr_members)
198		return cmp;
199
200	ret = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
201	if (ret) {
202		ret = cmp;
203		goto out;
204	}
205
206	ret = field_cmp(fields_a[idx], fields_b[idx]);
207	if (ret)
208		goto out;
209
210	for (i = 1; i < nr_members; i++) {
211		if (i != idx) {
212			ret = field_cmp(fields_a[i], fields_b[i]);
213			if (ret)
214				goto out;
215		}
216	}
217
218out:
219	free(fields_a);
220	free(fields_b);
221
222	return ret;
223}
224
225static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
226		       hpp_field_fn get_field)
227{
228	s64 ret;
229	int i, nr_members;
230	struct evsel *evsel;
231	u64 *fields_a, *fields_b;
232
233	if (symbol_conf.group_sort_idx && symbol_conf.event_group) {
234		return __hpp__group_sort_idx(a, b, get_field,
235					     symbol_conf.group_sort_idx);
236	}
237
238	ret = field_cmp(get_field(a), get_field(b));
239	if (ret || !symbol_conf.event_group)
240		return ret;
241
242	evsel = hists_to_evsel(a->hists);
243	if (!evsel__is_group_event(evsel))
244		return ret;
245
246	nr_members = evsel->core.nr_members;
247	i = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
248	if (i)
249		goto out;
250
251	for (i = 1; i < nr_members; i++) {
252		ret = field_cmp(fields_a[i], fields_b[i]);
253		if (ret)
254			break;
255	}
256
257out:
258	free(fields_a);
259	free(fields_b);
260
261	return ret;
262}
263
264static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
265			   hpp_field_fn get_field)
266{
267	s64 ret = 0;
268
269	if (symbol_conf.cumulate_callchain) {
270		/*
271		 * Put caller above callee when they have equal period.
272		 */
273		ret = field_cmp(get_field(a), get_field(b));
274		if (ret)
275			return ret;
276
277		if (a->thread != b->thread || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
278			return 0;
279
280		ret = b->callchain->max_depth - a->callchain->max_depth;
281		if (callchain_param.order == ORDER_CALLER)
282			ret = -ret;
283	}
284	return ret;
285}
286
287static int hpp__width_fn(struct perf_hpp_fmt *fmt,
288			 struct perf_hpp *hpp __maybe_unused,
289			 struct hists *hists)
290{
291	int len = fmt->user_len ?: fmt->len;
292	struct evsel *evsel = hists_to_evsel(hists);
293
294	if (symbol_conf.event_group)
295		len = max(len, evsel->core.nr_members * fmt->len);
296
297	if (len < (int)strlen(fmt->name))
298		len = strlen(fmt->name);
299
300	return len;
301}
302
303static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
304			  struct hists *hists, int line __maybe_unused,
305			  int *span __maybe_unused)
306{
307	int len = hpp__width_fn(fmt, hpp, hists);
308	return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
309}
310
311int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
312{
313	va_list args;
314	ssize_t ssize = hpp->size;
315	double percent;
316	int ret, len;
317
318	va_start(args, fmt);
319	len = va_arg(args, int);
320	percent = va_arg(args, double);
321	ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
322	va_end(args);
323
324	return (ret >= ssize) ? (ssize - 1) : ret;
325}
326
327static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
328{
329	va_list args;
330	ssize_t ssize = hpp->size;
331	int ret;
332
333	va_start(args, fmt);
334	ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
335	va_end(args);
336
337	return (ret >= ssize) ? (ssize - 1) : ret;
338}
339
340#define __HPP_COLOR_PERCENT_FN(_type, _field)					\
341static u64 he_get_##_field(struct hist_entry *he)				\
342{										\
343	return he->stat._field;							\
344}										\
345										\
346static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
347			      struct perf_hpp *hpp, struct hist_entry *he) 	\
348{										\
349	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
350			hpp_color_scnprintf, true);				\
351}
352
353#define __HPP_ENTRY_PERCENT_FN(_type, _field)					\
354static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
355			      struct perf_hpp *hpp, struct hist_entry *he) 	\
356{										\
357	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
358			hpp_entry_scnprintf, true);				\
359}
360
361#define __HPP_SORT_FN(_type, _field)						\
362static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
363				 struct hist_entry *a, struct hist_entry *b) 	\
364{										\
365	return __hpp__sort(a, b, he_get_##_field);				\
366}
367
368#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
369static u64 he_get_acc_##_field(struct hist_entry *he)				\
370{										\
371	return he->stat_acc->_field;						\
372}										\
373										\
374static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
375			      struct perf_hpp *hpp, struct hist_entry *he) 	\
376{										\
377	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", 	\
378			    hpp_color_scnprintf, true);				\
379}
380
381#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
382static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
383			      struct perf_hpp *hpp, struct hist_entry *he) 	\
384{										\
385	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",	\
386			    hpp_entry_scnprintf, true);				\
387}
388
389#define __HPP_SORT_ACC_FN(_type, _field)					\
390static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
391				 struct hist_entry *a, struct hist_entry *b) 	\
392{										\
393	return __hpp__sort_acc(a, b, he_get_acc_##_field);			\
394}
395
396#define __HPP_ENTRY_RAW_FN(_type, _field)					\
397static u64 he_get_raw_##_field(struct hist_entry *he)				\
398{										\
399	return he->stat._field;							\
400}										\
401										\
402static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
403			      struct perf_hpp *hpp, struct hist_entry *he) 	\
404{										\
405	return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, 	\
406			hpp_entry_scnprintf, false);				\
407}
408
409#define __HPP_SORT_RAW_FN(_type, _field)					\
410static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
411				 struct hist_entry *a, struct hist_entry *b) 	\
412{										\
413	return __hpp__sort(a, b, he_get_raw_##_field);				\
414}
415
416
417#define HPP_PERCENT_FNS(_type, _field)					\
418__HPP_COLOR_PERCENT_FN(_type, _field)					\
419__HPP_ENTRY_PERCENT_FN(_type, _field)					\
420__HPP_SORT_FN(_type, _field)
421
422#define HPP_PERCENT_ACC_FNS(_type, _field)				\
423__HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
424__HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
425__HPP_SORT_ACC_FN(_type, _field)
426
427#define HPP_RAW_FNS(_type, _field)					\
428__HPP_ENTRY_RAW_FN(_type, _field)					\
429__HPP_SORT_RAW_FN(_type, _field)
430
431HPP_PERCENT_FNS(overhead, period)
432HPP_PERCENT_FNS(overhead_sys, period_sys)
433HPP_PERCENT_FNS(overhead_us, period_us)
434HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
435HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
436HPP_PERCENT_ACC_FNS(overhead_acc, period)
437
438HPP_RAW_FNS(samples, nr_events)
439HPP_RAW_FNS(period, period)
440
441static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
442			    struct hist_entry *a __maybe_unused,
443			    struct hist_entry *b __maybe_unused)
444{
445	return 0;
446}
447
448static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
449{
450	return a->header == hpp__header_fn;
451}
452
453static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
454{
455	if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
456		return false;
457
458	return a->idx == b->idx;
459}
460
461#define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)		\
462	{						\
463		.name   = _name,			\
464		.header	= hpp__header_fn,		\
465		.width	= hpp__width_fn,		\
466		.color	= hpp__color_ ## _fn,		\
467		.entry	= hpp__entry_ ## _fn,		\
468		.cmp	= hpp__nop_cmp,			\
469		.collapse = hpp__nop_cmp,		\
470		.sort	= hpp__sort_ ## _fn,		\
471		.idx	= PERF_HPP__ ## _idx,		\
472		.equal	= hpp__equal,			\
473	}
474
475#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)	\
476	{						\
477		.name   = _name,			\
478		.header	= hpp__header_fn,		\
479		.width	= hpp__width_fn,		\
480		.color	= hpp__color_ ## _fn,		\
481		.entry	= hpp__entry_ ## _fn,		\
482		.cmp	= hpp__nop_cmp,			\
483		.collapse = hpp__nop_cmp,		\
484		.sort	= hpp__sort_ ## _fn,		\
485		.idx	= PERF_HPP__ ## _idx,		\
486		.equal	= hpp__equal,			\
487	}
488
489#define HPP__PRINT_FNS(_name, _fn, _idx)		\
490	{						\
491		.name   = _name,			\
492		.header	= hpp__header_fn,		\
493		.width	= hpp__width_fn,		\
494		.entry	= hpp__entry_ ## _fn,		\
495		.cmp	= hpp__nop_cmp,			\
496		.collapse = hpp__nop_cmp,		\
497		.sort	= hpp__sort_ ## _fn,		\
498		.idx	= PERF_HPP__ ## _idx,		\
499		.equal	= hpp__equal,			\
500	}
501
502struct perf_hpp_fmt perf_hpp__format[] = {
503	HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
504	HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
505	HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
506	HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
507	HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
508	HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
509	HPP__PRINT_FNS("Samples", samples, SAMPLES),
510	HPP__PRINT_FNS("Period", period, PERIOD)
511};
512
513struct perf_hpp_list perf_hpp_list = {
514	.fields	= LIST_HEAD_INIT(perf_hpp_list.fields),
515	.sorts	= LIST_HEAD_INIT(perf_hpp_list.sorts),
516	.nr_header_lines = 1,
517};
518
519#undef HPP__COLOR_PRINT_FNS
520#undef HPP__COLOR_ACC_PRINT_FNS
521#undef HPP__PRINT_FNS
522
523#undef HPP_PERCENT_FNS
524#undef HPP_PERCENT_ACC_FNS
525#undef HPP_RAW_FNS
526
527#undef __HPP_HEADER_FN
528#undef __HPP_WIDTH_FN
529#undef __HPP_COLOR_PERCENT_FN
530#undef __HPP_ENTRY_PERCENT_FN
531#undef __HPP_COLOR_ACC_PERCENT_FN
532#undef __HPP_ENTRY_ACC_PERCENT_FN
533#undef __HPP_ENTRY_RAW_FN
534#undef __HPP_SORT_FN
535#undef __HPP_SORT_ACC_FN
536#undef __HPP_SORT_RAW_FN
537
538static void fmt_free(struct perf_hpp_fmt *fmt)
539{
540	/*
541	 * At this point fmt should be completely
542	 * unhooked, if not it's a bug.
543	 */
544	BUG_ON(!list_empty(&fmt->list));
545	BUG_ON(!list_empty(&fmt->sort_list));
546
547	if (fmt->free)
548		fmt->free(fmt);
549}
550
551void perf_hpp__init(void)
552{
553	int i;
554
555	for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
556		struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
557
558		INIT_LIST_HEAD(&fmt->list);
559
560		/* sort_list may be linked by setup_sorting() */
561		if (fmt->sort_list.next == NULL)
562			INIT_LIST_HEAD(&fmt->sort_list);
563	}
564
565	/*
566	 * If user specified field order, no need to setup default fields.
567	 */
568	if (is_strict_order(field_order))
569		return;
570
571	if (symbol_conf.cumulate_callchain) {
572		hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
573		perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
574	}
575
576	hpp_dimension__add_output(PERF_HPP__OVERHEAD);
577
578	if (symbol_conf.show_cpu_utilization) {
579		hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
580		hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
581
582		if (perf_guest) {
583			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
584			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
585		}
586	}
587
588	if (symbol_conf.show_nr_samples)
589		hpp_dimension__add_output(PERF_HPP__SAMPLES);
590
591	if (symbol_conf.show_total_period)
592		hpp_dimension__add_output(PERF_HPP__PERIOD);
593}
594
595void perf_hpp_list__column_register(struct perf_hpp_list *list,
596				    struct perf_hpp_fmt *format)
597{
598	list_add_tail(&format->list, &list->fields);
599}
600
601void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
602					struct perf_hpp_fmt *format)
603{
604	list_add_tail(&format->sort_list, &list->sorts);
605}
606
607void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
608				       struct perf_hpp_fmt *format)
609{
610	list_add(&format->sort_list, &list->sorts);
611}
612
613static void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
614{
615	list_del_init(&format->list);
616	fmt_free(format);
617}
618
619void perf_hpp__cancel_cumulate(void)
620{
621	struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
622
623	if (is_strict_order(field_order))
624		return;
625
626	ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
627	acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
628
629	perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
630		if (acc->equal(acc, fmt)) {
631			perf_hpp__column_unregister(fmt);
632			continue;
633		}
634
635		if (ovh->equal(ovh, fmt))
636			fmt->name = "Overhead";
637	}
638}
639
640static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
641{
642	return a->equal && a->equal(a, b);
643}
644
645void perf_hpp__setup_output_field(struct perf_hpp_list *list)
646{
647	struct perf_hpp_fmt *fmt;
648
649	/* append sort keys to output field */
650	perf_hpp_list__for_each_sort_list(list, fmt) {
651		struct perf_hpp_fmt *pos;
652
653		/* skip sort-only fields ("sort_compute" in perf diff) */
654		if (!fmt->entry && !fmt->color)
655			continue;
656
657		perf_hpp_list__for_each_format(list, pos) {
658			if (fmt_equal(fmt, pos))
659				goto next;
660		}
661
662		perf_hpp__column_register(fmt);
663next:
664		continue;
665	}
666}
667
668void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
669{
670	struct perf_hpp_fmt *fmt;
671
672	/* append output fields to sort keys */
673	perf_hpp_list__for_each_format(list, fmt) {
674		struct perf_hpp_fmt *pos;
675
676		perf_hpp_list__for_each_sort_list(list, pos) {
677			if (fmt_equal(fmt, pos))
678				goto next;
679		}
680
681		perf_hpp__register_sort_field(fmt);
682next:
683		continue;
684	}
685}
686
687
688void perf_hpp__reset_output_field(struct perf_hpp_list *list)
689{
690	struct perf_hpp_fmt *fmt, *tmp;
691
692	/* reset output fields */
693	perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
694		list_del_init(&fmt->list);
695		list_del_init(&fmt->sort_list);
696		fmt_free(fmt);
697	}
698
699	/* reset sort keys */
700	perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
701		list_del_init(&fmt->list);
702		list_del_init(&fmt->sort_list);
703		fmt_free(fmt);
704	}
705}
706
707/*
708 * See hists__fprintf to match the column widths
709 */
710unsigned int hists__sort_list_width(struct hists *hists)
711{
712	struct perf_hpp_fmt *fmt;
713	int ret = 0;
714	bool first = true;
715	struct perf_hpp dummy_hpp;
716
717	hists__for_each_format(hists, fmt) {
718		if (perf_hpp__should_skip(fmt, hists))
719			continue;
720
721		if (first)
722			first = false;
723		else
724			ret += 2;
725
726		ret += fmt->width(fmt, &dummy_hpp, hists);
727	}
728
729	if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
730		ret += 3 + BITS_PER_LONG / 4;
731
732	return ret;
733}
734
735unsigned int hists__overhead_width(struct hists *hists)
736{
737	struct perf_hpp_fmt *fmt;
738	int ret = 0;
739	bool first = true;
740	struct perf_hpp dummy_hpp;
741
742	hists__for_each_format(hists, fmt) {
743		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
744			break;
745
746		if (first)
747			first = false;
748		else
749			ret += 2;
750
751		ret += fmt->width(fmt, &dummy_hpp, hists);
752	}
753
754	return ret;
755}
756
757void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
758{
759	if (perf_hpp__is_sort_entry(fmt))
760		return perf_hpp__reset_sort_width(fmt, hists);
761
762	if (perf_hpp__is_dynamic_entry(fmt))
763		return;
764
765	BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
766
767	switch (fmt->idx) {
768	case PERF_HPP__OVERHEAD:
769	case PERF_HPP__OVERHEAD_SYS:
770	case PERF_HPP__OVERHEAD_US:
771	case PERF_HPP__OVERHEAD_ACC:
772		fmt->len = 8;
773		break;
774
775	case PERF_HPP__OVERHEAD_GUEST_SYS:
776	case PERF_HPP__OVERHEAD_GUEST_US:
777		fmt->len = 9;
778		break;
779
780	case PERF_HPP__SAMPLES:
781	case PERF_HPP__PERIOD:
782		fmt->len = 12;
783		break;
784
785	default:
786		break;
787	}
788}
789
790void hists__reset_column_width(struct hists *hists)
791{
792	struct perf_hpp_fmt *fmt;
793	struct perf_hpp_list_node *node;
794
795	hists__for_each_format(hists, fmt)
796		perf_hpp__reset_width(fmt, hists);
797
798	/* hierarchy entries have their own hpp list */
799	list_for_each_entry(node, &hists->hpp_formats, list) {
800		perf_hpp_list__for_each_format(&node->hpp, fmt)
801			perf_hpp__reset_width(fmt, hists);
802	}
803}
804
805void perf_hpp__set_user_width(const char *width_list_str)
806{
807	struct perf_hpp_fmt *fmt;
808	const char *ptr = width_list_str;
809
810	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
811		char *p;
812
813		int len = strtol(ptr, &p, 10);
814		fmt->user_len = len;
815
816		if (*p == ',')
817			ptr = p + 1;
818		else
819			break;
820	}
821}
822
823static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
824{
825	struct perf_hpp_list_node *node = NULL;
826	struct perf_hpp_fmt *fmt_copy;
827	bool found = false;
828	bool skip = perf_hpp__should_skip(fmt, hists);
829
830	list_for_each_entry(node, &hists->hpp_formats, list) {
831		if (node->level == fmt->level) {
832			found = true;
833			break;
834		}
835	}
836
837	if (!found) {
838		node = malloc(sizeof(*node));
839		if (node == NULL)
840			return -1;
841
842		node->skip = skip;
843		node->level = fmt->level;
844		perf_hpp_list__init(&node->hpp);
845
846		hists->nr_hpp_node++;
847		list_add_tail(&node->list, &hists->hpp_formats);
848	}
849
850	fmt_copy = perf_hpp_fmt__dup(fmt);
851	if (fmt_copy == NULL)
852		return -1;
853
854	if (!skip)
855		node->skip = false;
856
857	list_add_tail(&fmt_copy->list, &node->hpp.fields);
858	list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
859
860	return 0;
861}
862
863int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
864				  struct evlist *evlist)
865{
866	struct evsel *evsel;
867	struct perf_hpp_fmt *fmt;
868	struct hists *hists;
869	int ret;
870
871	if (!symbol_conf.report_hierarchy)
872		return 0;
873
874	evlist__for_each_entry(evlist, evsel) {
875		hists = evsel__hists(evsel);
876
877		perf_hpp_list__for_each_sort_list(list, fmt) {
878			if (perf_hpp__is_dynamic_entry(fmt) &&
879			    !perf_hpp__defined_dynamic_entry(fmt, hists))
880				continue;
881
882			ret = add_hierarchy_fmt(hists, fmt);
883			if (ret < 0)
884				return ret;
885		}
886	}
887
888	return 0;
889}