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v4.6
 
 
  1#include <math.h>
  2#include <linux/compiler.h>
  3
  4#include "../util/hist.h"
  5#include "../util/util.h"
  6#include "../util/sort.h"
  7#include "../util/evsel.h"
  8#include "../util/evlist.h"
  9
 10/* hist period print (hpp) functions */
 11
 12#define hpp__call_print_fn(hpp, fn, fmt, ...)			\
 13({								\
 14	int __ret = fn(hpp, fmt, ##__VA_ARGS__);		\
 15	advance_hpp(hpp, __ret);				\
 16	__ret;							\
 17})
 18
 19static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 20		      hpp_field_fn get_field, const char *fmt, int len,
 21		      hpp_snprint_fn print_fn, bool fmt_percent)
 22{
 23	int ret;
 24	struct hists *hists = he->hists;
 25	struct perf_evsel *evsel = hists_to_evsel(hists);
 26	char *buf = hpp->buf;
 27	size_t size = hpp->size;
 28
 29	if (fmt_percent) {
 30		double percent = 0.0;
 31		u64 total = hists__total_period(hists);
 32
 33		if (total)
 34			percent = 100.0 * get_field(he) / total;
 35
 36		ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
 37	} else
 38		ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
 39
 40	if (perf_evsel__is_group_event(evsel)) {
 41		int prev_idx, idx_delta;
 42		struct hist_entry *pair;
 43		int nr_members = evsel->nr_members;
 44
 45		prev_idx = perf_evsel__group_idx(evsel);
 46
 47		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 48			u64 period = get_field(pair);
 49			u64 total = hists__total_period(pair->hists);
 50
 51			if (!total)
 52				continue;
 53
 54			evsel = hists_to_evsel(pair->hists);
 55			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
 56
 57			while (idx_delta--) {
 58				/*
 59				 * zero-fill group members in the middle which
 60				 * have no sample
 61				 */
 62				if (fmt_percent) {
 63					ret += hpp__call_print_fn(hpp, print_fn,
 64								  fmt, len, 0.0);
 65				} else {
 66					ret += hpp__call_print_fn(hpp, print_fn,
 67								  fmt, len, 0ULL);
 68				}
 69			}
 70
 71			if (fmt_percent) {
 72				ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
 73							  100.0 * period / total);
 74			} else {
 75				ret += hpp__call_print_fn(hpp, print_fn, fmt,
 76							  len, period);
 77			}
 78
 79			prev_idx = perf_evsel__group_idx(evsel);
 80		}
 81
 82		idx_delta = nr_members - prev_idx - 1;
 83
 84		while (idx_delta--) {
 85			/*
 86			 * zero-fill group members at last which have no sample
 87			 */
 88			if (fmt_percent) {
 89				ret += hpp__call_print_fn(hpp, print_fn,
 90							  fmt, len, 0.0);
 91			} else {
 92				ret += hpp__call_print_fn(hpp, print_fn,
 93							  fmt, len, 0ULL);
 94			}
 95		}
 96	}
 97
 98	/*
 99	 * Restore original buf and size as it's where caller expects
100	 * the result will be saved.
101	 */
102	hpp->buf = buf;
103	hpp->size = size;
104
105	return ret;
106}
107
108int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
109	     struct hist_entry *he, hpp_field_fn get_field,
110	     const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
111{
112	int len = fmt->user_len ?: fmt->len;
113
114	if (symbol_conf.field_sep) {
115		return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
116				  print_fn, fmt_percent);
117	}
118
119	if (fmt_percent)
120		len -= 2; /* 2 for a space and a % sign */
121	else
122		len -= 1;
123
124	return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
125}
126
127int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
128		 struct hist_entry *he, hpp_field_fn get_field,
129		 const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
130{
131	if (!symbol_conf.cumulate_callchain) {
132		int len = fmt->user_len ?: fmt->len;
133		return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
134	}
135
136	return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
137}
138
139static int field_cmp(u64 field_a, u64 field_b)
140{
141	if (field_a > field_b)
142		return 1;
143	if (field_a < field_b)
144		return -1;
145	return 0;
146}
147
148static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
149		       hpp_field_fn get_field)
150{
151	s64 ret;
152	int i, nr_members;
153	struct perf_evsel *evsel;
154	struct hist_entry *pair;
155	u64 *fields_a, *fields_b;
156
157	ret = field_cmp(get_field(a), get_field(b));
158	if (ret || !symbol_conf.event_group)
159		return ret;
160
161	evsel = hists_to_evsel(a->hists);
162	if (!perf_evsel__is_group_event(evsel))
163		return ret;
164
165	nr_members = evsel->nr_members;
166	fields_a = calloc(nr_members, sizeof(*fields_a));
167	fields_b = calloc(nr_members, sizeof(*fields_b));
168
169	if (!fields_a || !fields_b)
170		goto out;
171
172	list_for_each_entry(pair, &a->pairs.head, pairs.node) {
173		evsel = hists_to_evsel(pair->hists);
174		fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
175	}
176
177	list_for_each_entry(pair, &b->pairs.head, pairs.node) {
178		evsel = hists_to_evsel(pair->hists);
179		fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
180	}
181
182	for (i = 1; i < nr_members; i++) {
183		ret = field_cmp(fields_a[i], fields_b[i]);
184		if (ret)
185			break;
186	}
187
188out:
189	free(fields_a);
190	free(fields_b);
191
192	return ret;
193}
194
195static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
196			   hpp_field_fn get_field)
197{
198	s64 ret = 0;
199
200	if (symbol_conf.cumulate_callchain) {
201		/*
202		 * Put caller above callee when they have equal period.
203		 */
204		ret = field_cmp(get_field(a), get_field(b));
205		if (ret)
206			return ret;
207
208		if (a->thread != b->thread || !symbol_conf.use_callchain)
209			return 0;
210
211		ret = b->callchain->max_depth - a->callchain->max_depth;
 
 
212	}
213	return ret;
214}
215
216static int hpp__width_fn(struct perf_hpp_fmt *fmt,
217			 struct perf_hpp *hpp __maybe_unused,
218			 struct perf_evsel *evsel)
219{
220	int len = fmt->user_len ?: fmt->len;
 
221
222	if (symbol_conf.event_group)
223		len = max(len, evsel->nr_members * fmt->len);
224
225	if (len < (int)strlen(fmt->name))
226		len = strlen(fmt->name);
227
228	return len;
229}
230
231static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
232			  struct perf_evsel *evsel)
 
233{
234	int len = hpp__width_fn(fmt, hpp, evsel);
235	return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
236}
237
238static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
239{
240	va_list args;
241	ssize_t ssize = hpp->size;
242	double percent;
243	int ret, len;
244
245	va_start(args, fmt);
246	len = va_arg(args, int);
247	percent = va_arg(args, double);
248	ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
249	va_end(args);
250
251	return (ret >= ssize) ? (ssize - 1) : ret;
252}
253
254static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
255{
256	va_list args;
257	ssize_t ssize = hpp->size;
258	int ret;
259
260	va_start(args, fmt);
261	ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
262	va_end(args);
263
264	return (ret >= ssize) ? (ssize - 1) : ret;
265}
266
267#define __HPP_COLOR_PERCENT_FN(_type, _field)					\
268static u64 he_get_##_field(struct hist_entry *he)				\
269{										\
270	return he->stat._field;							\
271}										\
272										\
273static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
274			      struct perf_hpp *hpp, struct hist_entry *he) 	\
275{										\
276	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
277			hpp_color_scnprintf, true);				\
278}
279
280#define __HPP_ENTRY_PERCENT_FN(_type, _field)					\
281static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
282			      struct perf_hpp *hpp, struct hist_entry *he) 	\
283{										\
284	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
285			hpp_entry_scnprintf, true);				\
286}
287
288#define __HPP_SORT_FN(_type, _field)						\
289static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
290				 struct hist_entry *a, struct hist_entry *b) 	\
291{										\
292	return __hpp__sort(a, b, he_get_##_field);				\
293}
294
295#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
296static u64 he_get_acc_##_field(struct hist_entry *he)				\
297{										\
298	return he->stat_acc->_field;						\
299}										\
300										\
301static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
302			      struct perf_hpp *hpp, struct hist_entry *he) 	\
303{										\
304	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", 	\
305			    hpp_color_scnprintf, true);				\
306}
307
308#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
309static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
310			      struct perf_hpp *hpp, struct hist_entry *he) 	\
311{										\
312	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",	\
313			    hpp_entry_scnprintf, true);				\
314}
315
316#define __HPP_SORT_ACC_FN(_type, _field)					\
317static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
318				 struct hist_entry *a, struct hist_entry *b) 	\
319{										\
320	return __hpp__sort_acc(a, b, he_get_acc_##_field);			\
321}
322
323#define __HPP_ENTRY_RAW_FN(_type, _field)					\
324static u64 he_get_raw_##_field(struct hist_entry *he)				\
325{										\
326	return he->stat._field;							\
327}										\
328										\
329static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
330			      struct perf_hpp *hpp, struct hist_entry *he) 	\
331{										\
332	return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, 	\
333			hpp_entry_scnprintf, false);				\
334}
335
336#define __HPP_SORT_RAW_FN(_type, _field)					\
337static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
338				 struct hist_entry *a, struct hist_entry *b) 	\
339{										\
340	return __hpp__sort(a, b, he_get_raw_##_field);				\
341}
342
343
344#define HPP_PERCENT_FNS(_type, _field)					\
345__HPP_COLOR_PERCENT_FN(_type, _field)					\
346__HPP_ENTRY_PERCENT_FN(_type, _field)					\
347__HPP_SORT_FN(_type, _field)
348
349#define HPP_PERCENT_ACC_FNS(_type, _field)				\
350__HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
351__HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
352__HPP_SORT_ACC_FN(_type, _field)
353
354#define HPP_RAW_FNS(_type, _field)					\
355__HPP_ENTRY_RAW_FN(_type, _field)					\
356__HPP_SORT_RAW_FN(_type, _field)
357
358HPP_PERCENT_FNS(overhead, period)
359HPP_PERCENT_FNS(overhead_sys, period_sys)
360HPP_PERCENT_FNS(overhead_us, period_us)
361HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
362HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
363HPP_PERCENT_ACC_FNS(overhead_acc, period)
364
365HPP_RAW_FNS(samples, nr_events)
366HPP_RAW_FNS(period, period)
367
368static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
369			    struct hist_entry *a __maybe_unused,
370			    struct hist_entry *b __maybe_unused)
371{
372	return 0;
373}
374
375static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
376{
377	return a->header == hpp__header_fn;
378}
379
380static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
381{
382	if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
383		return false;
384
385	return a->idx == b->idx;
386}
387
388#define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)		\
389	{						\
390		.name   = _name,			\
391		.header	= hpp__header_fn,		\
392		.width	= hpp__width_fn,		\
393		.color	= hpp__color_ ## _fn,		\
394		.entry	= hpp__entry_ ## _fn,		\
395		.cmp	= hpp__nop_cmp,			\
396		.collapse = hpp__nop_cmp,		\
397		.sort	= hpp__sort_ ## _fn,		\
398		.idx	= PERF_HPP__ ## _idx,		\
399		.equal	= hpp__equal,			\
400	}
401
402#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)	\
403	{						\
404		.name   = _name,			\
405		.header	= hpp__header_fn,		\
406		.width	= hpp__width_fn,		\
407		.color	= hpp__color_ ## _fn,		\
408		.entry	= hpp__entry_ ## _fn,		\
409		.cmp	= hpp__nop_cmp,			\
410		.collapse = hpp__nop_cmp,		\
411		.sort	= hpp__sort_ ## _fn,		\
412		.idx	= PERF_HPP__ ## _idx,		\
413		.equal	= hpp__equal,			\
414	}
415
416#define HPP__PRINT_FNS(_name, _fn, _idx)		\
417	{						\
418		.name   = _name,			\
419		.header	= hpp__header_fn,		\
420		.width	= hpp__width_fn,		\
421		.entry	= hpp__entry_ ## _fn,		\
422		.cmp	= hpp__nop_cmp,			\
423		.collapse = hpp__nop_cmp,		\
424		.sort	= hpp__sort_ ## _fn,		\
425		.idx	= PERF_HPP__ ## _idx,		\
426		.equal	= hpp__equal,			\
427	}
428
429struct perf_hpp_fmt perf_hpp__format[] = {
430	HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
431	HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
432	HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
433	HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
434	HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
435	HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
436	HPP__PRINT_FNS("Samples", samples, SAMPLES),
437	HPP__PRINT_FNS("Period", period, PERIOD)
438};
439
440struct perf_hpp_list perf_hpp_list = {
441	.fields	= LIST_HEAD_INIT(perf_hpp_list.fields),
442	.sorts	= LIST_HEAD_INIT(perf_hpp_list.sorts),
 
443};
444
445#undef HPP__COLOR_PRINT_FNS
446#undef HPP__COLOR_ACC_PRINT_FNS
447#undef HPP__PRINT_FNS
448
449#undef HPP_PERCENT_FNS
450#undef HPP_PERCENT_ACC_FNS
451#undef HPP_RAW_FNS
452
453#undef __HPP_HEADER_FN
454#undef __HPP_WIDTH_FN
455#undef __HPP_COLOR_PERCENT_FN
456#undef __HPP_ENTRY_PERCENT_FN
457#undef __HPP_COLOR_ACC_PERCENT_FN
458#undef __HPP_ENTRY_ACC_PERCENT_FN
459#undef __HPP_ENTRY_RAW_FN
460#undef __HPP_SORT_FN
461#undef __HPP_SORT_ACC_FN
462#undef __HPP_SORT_RAW_FN
463
464
465void perf_hpp__init(void)
466{
467	int i;
468
469	for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
470		struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
471
472		INIT_LIST_HEAD(&fmt->list);
473
474		/* sort_list may be linked by setup_sorting() */
475		if (fmt->sort_list.next == NULL)
476			INIT_LIST_HEAD(&fmt->sort_list);
477	}
478
479	/*
480	 * If user specified field order, no need to setup default fields.
481	 */
482	if (is_strict_order(field_order))
483		return;
484
485	if (symbol_conf.cumulate_callchain) {
486		hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
487		perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
488	}
489
490	hpp_dimension__add_output(PERF_HPP__OVERHEAD);
491
492	if (symbol_conf.show_cpu_utilization) {
493		hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
494		hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
495
496		if (perf_guest) {
497			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
498			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
499		}
500	}
501
502	if (symbol_conf.show_nr_samples)
503		hpp_dimension__add_output(PERF_HPP__SAMPLES);
504
505	if (symbol_conf.show_total_period)
506		hpp_dimension__add_output(PERF_HPP__PERIOD);
507}
508
509void perf_hpp_list__column_register(struct perf_hpp_list *list,
510				    struct perf_hpp_fmt *format)
511{
512	list_add_tail(&format->list, &list->fields);
513}
514
515void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
516					struct perf_hpp_fmt *format)
517{
518	list_add_tail(&format->sort_list, &list->sorts);
519}
520
 
 
 
 
 
 
521void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
522{
523	list_del(&format->list);
524}
525
526void perf_hpp__cancel_cumulate(void)
527{
528	struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
529
530	if (is_strict_order(field_order))
531		return;
532
533	ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
534	acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
535
536	perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
537		if (acc->equal(acc, fmt)) {
538			perf_hpp__column_unregister(fmt);
539			continue;
540		}
541
542		if (ovh->equal(ovh, fmt))
543			fmt->name = "Overhead";
544	}
545}
546
547static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
548{
549	return a->equal && a->equal(a, b);
550}
551
552void perf_hpp__setup_output_field(struct perf_hpp_list *list)
553{
554	struct perf_hpp_fmt *fmt;
555
556	/* append sort keys to output field */
557	perf_hpp_list__for_each_sort_list(list, fmt) {
558		struct perf_hpp_fmt *pos;
559
 
 
 
 
560		perf_hpp_list__for_each_format(list, pos) {
561			if (fmt_equal(fmt, pos))
562				goto next;
563		}
564
565		perf_hpp__column_register(fmt);
566next:
567		continue;
568	}
569}
570
571void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
572{
573	struct perf_hpp_fmt *fmt;
574
575	/* append output fields to sort keys */
576	perf_hpp_list__for_each_format(list, fmt) {
577		struct perf_hpp_fmt *pos;
578
579		perf_hpp_list__for_each_sort_list(list, pos) {
580			if (fmt_equal(fmt, pos))
581				goto next;
582		}
583
584		perf_hpp__register_sort_field(fmt);
585next:
586		continue;
587	}
588}
589
590
591static void fmt_free(struct perf_hpp_fmt *fmt)
592{
 
 
 
 
 
 
 
593	if (fmt->free)
594		fmt->free(fmt);
595}
596
597void perf_hpp__reset_output_field(struct perf_hpp_list *list)
598{
599	struct perf_hpp_fmt *fmt, *tmp;
600
601	/* reset output fields */
602	perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
603		list_del_init(&fmt->list);
604		list_del_init(&fmt->sort_list);
605		fmt_free(fmt);
606	}
607
608	/* reset sort keys */
609	perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
610		list_del_init(&fmt->list);
611		list_del_init(&fmt->sort_list);
612		fmt_free(fmt);
613	}
614}
615
616/*
617 * See hists__fprintf to match the column widths
618 */
619unsigned int hists__sort_list_width(struct hists *hists)
620{
621	struct perf_hpp_fmt *fmt;
622	int ret = 0;
623	bool first = true;
624	struct perf_hpp dummy_hpp;
625
626	hists__for_each_format(hists, fmt) {
627		if (perf_hpp__should_skip(fmt, hists))
628			continue;
629
630		if (first)
631			first = false;
632		else
633			ret += 2;
634
635		ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
636	}
637
638	if (verbose && sort__has_sym) /* Addr + origin */
639		ret += 3 + BITS_PER_LONG / 4;
640
641	return ret;
642}
643
644unsigned int hists__overhead_width(struct hists *hists)
645{
646	struct perf_hpp_fmt *fmt;
647	int ret = 0;
648	bool first = true;
649	struct perf_hpp dummy_hpp;
650
651	hists__for_each_format(hists, fmt) {
652		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
653			break;
654
655		if (first)
656			first = false;
657		else
658			ret += 2;
659
660		ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
661	}
662
663	return ret;
664}
665
666void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
667{
668	if (perf_hpp__is_sort_entry(fmt))
669		return perf_hpp__reset_sort_width(fmt, hists);
670
671	if (perf_hpp__is_dynamic_entry(fmt))
672		return;
673
674	BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
675
676	switch (fmt->idx) {
677	case PERF_HPP__OVERHEAD:
678	case PERF_HPP__OVERHEAD_SYS:
679	case PERF_HPP__OVERHEAD_US:
680	case PERF_HPP__OVERHEAD_ACC:
681		fmt->len = 8;
682		break;
683
684	case PERF_HPP__OVERHEAD_GUEST_SYS:
685	case PERF_HPP__OVERHEAD_GUEST_US:
686		fmt->len = 9;
687		break;
688
689	case PERF_HPP__SAMPLES:
690	case PERF_HPP__PERIOD:
691		fmt->len = 12;
692		break;
693
694	default:
695		break;
696	}
697}
698
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
699void perf_hpp__set_user_width(const char *width_list_str)
700{
701	struct perf_hpp_fmt *fmt;
702	const char *ptr = width_list_str;
703
704	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
705		char *p;
706
707		int len = strtol(ptr, &p, 10);
708		fmt->user_len = len;
709
710		if (*p == ',')
711			ptr = p + 1;
712		else
713			break;
714	}
715}
716
717static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
718{
719	struct perf_hpp_list_node *node = NULL;
720	struct perf_hpp_fmt *fmt_copy;
721	bool found = false;
722	bool skip = perf_hpp__should_skip(fmt, hists);
723
724	list_for_each_entry(node, &hists->hpp_formats, list) {
725		if (node->level == fmt->level) {
726			found = true;
727			break;
728		}
729	}
730
731	if (!found) {
732		node = malloc(sizeof(*node));
733		if (node == NULL)
734			return -1;
735
736		node->skip = skip;
737		node->level = fmt->level;
738		perf_hpp_list__init(&node->hpp);
739
740		hists->nr_hpp_node++;
741		list_add_tail(&node->list, &hists->hpp_formats);
742	}
743
744	fmt_copy = perf_hpp_fmt__dup(fmt);
745	if (fmt_copy == NULL)
746		return -1;
747
748	if (!skip)
749		node->skip = false;
750
751	list_add_tail(&fmt_copy->list, &node->hpp.fields);
752	list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
753
754	return 0;
755}
756
757int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
758				  struct perf_evlist *evlist)
759{
760	struct perf_evsel *evsel;
761	struct perf_hpp_fmt *fmt;
762	struct hists *hists;
763	int ret;
764
765	if (!symbol_conf.report_hierarchy)
766		return 0;
767
768	evlist__for_each(evlist, evsel) {
769		hists = evsel__hists(evsel);
770
771		perf_hpp_list__for_each_sort_list(list, fmt) {
772			if (perf_hpp__is_dynamic_entry(fmt) &&
773			    !perf_hpp__defined_dynamic_entry(fmt, hists))
774				continue;
775
776			ret = add_hierarchy_fmt(hists, fmt);
777			if (ret < 0)
778				return ret;
779		}
780	}
781
782	return 0;
783}
v4.17
  1// SPDX-License-Identifier: GPL-2.0
  2#include <inttypes.h>
  3#include <math.h>
  4#include <linux/compiler.h>
  5
  6#include "../util/hist.h"
  7#include "../util/util.h"
  8#include "../util/sort.h"
  9#include "../util/evsel.h"
 10#include "../util/evlist.h"
 11
 12/* hist period print (hpp) functions */
 13
 14#define hpp__call_print_fn(hpp, fn, fmt, ...)			\
 15({								\
 16	int __ret = fn(hpp, fmt, ##__VA_ARGS__);		\
 17	advance_hpp(hpp, __ret);				\
 18	__ret;							\
 19})
 20
 21static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 22		      hpp_field_fn get_field, const char *fmt, int len,
 23		      hpp_snprint_fn print_fn, bool fmt_percent)
 24{
 25	int ret;
 26	struct hists *hists = he->hists;
 27	struct perf_evsel *evsel = hists_to_evsel(hists);
 28	char *buf = hpp->buf;
 29	size_t size = hpp->size;
 30
 31	if (fmt_percent) {
 32		double percent = 0.0;
 33		u64 total = hists__total_period(hists);
 34
 35		if (total)
 36			percent = 100.0 * get_field(he) / total;
 37
 38		ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
 39	} else
 40		ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
 41
 42	if (perf_evsel__is_group_event(evsel)) {
 43		int prev_idx, idx_delta;
 44		struct hist_entry *pair;
 45		int nr_members = evsel->nr_members;
 46
 47		prev_idx = perf_evsel__group_idx(evsel);
 48
 49		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 50			u64 period = get_field(pair);
 51			u64 total = hists__total_period(pair->hists);
 52
 53			if (!total)
 54				continue;
 55
 56			evsel = hists_to_evsel(pair->hists);
 57			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
 58
 59			while (idx_delta--) {
 60				/*
 61				 * zero-fill group members in the middle which
 62				 * have no sample
 63				 */
 64				if (fmt_percent) {
 65					ret += hpp__call_print_fn(hpp, print_fn,
 66								  fmt, len, 0.0);
 67				} else {
 68					ret += hpp__call_print_fn(hpp, print_fn,
 69								  fmt, len, 0ULL);
 70				}
 71			}
 72
 73			if (fmt_percent) {
 74				ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
 75							  100.0 * period / total);
 76			} else {
 77				ret += hpp__call_print_fn(hpp, print_fn, fmt,
 78							  len, period);
 79			}
 80
 81			prev_idx = perf_evsel__group_idx(evsel);
 82		}
 83
 84		idx_delta = nr_members - prev_idx - 1;
 85
 86		while (idx_delta--) {
 87			/*
 88			 * zero-fill group members at last which have no sample
 89			 */
 90			if (fmt_percent) {
 91				ret += hpp__call_print_fn(hpp, print_fn,
 92							  fmt, len, 0.0);
 93			} else {
 94				ret += hpp__call_print_fn(hpp, print_fn,
 95							  fmt, len, 0ULL);
 96			}
 97		}
 98	}
 99
100	/*
101	 * Restore original buf and size as it's where caller expects
102	 * the result will be saved.
103	 */
104	hpp->buf = buf;
105	hpp->size = size;
106
107	return ret;
108}
109
110int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
111	     struct hist_entry *he, hpp_field_fn get_field,
112	     const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
113{
114	int len = fmt->user_len ?: fmt->len;
115
116	if (symbol_conf.field_sep) {
117		return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
118				  print_fn, fmt_percent);
119	}
120
121	if (fmt_percent)
122		len -= 2; /* 2 for a space and a % sign */
123	else
124		len -= 1;
125
126	return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
127}
128
129int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
130		 struct hist_entry *he, hpp_field_fn get_field,
131		 const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
132{
133	if (!symbol_conf.cumulate_callchain) {
134		int len = fmt->user_len ?: fmt->len;
135		return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
136	}
137
138	return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
139}
140
141static int field_cmp(u64 field_a, u64 field_b)
142{
143	if (field_a > field_b)
144		return 1;
145	if (field_a < field_b)
146		return -1;
147	return 0;
148}
149
150static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
151		       hpp_field_fn get_field)
152{
153	s64 ret;
154	int i, nr_members;
155	struct perf_evsel *evsel;
156	struct hist_entry *pair;
157	u64 *fields_a, *fields_b;
158
159	ret = field_cmp(get_field(a), get_field(b));
160	if (ret || !symbol_conf.event_group)
161		return ret;
162
163	evsel = hists_to_evsel(a->hists);
164	if (!perf_evsel__is_group_event(evsel))
165		return ret;
166
167	nr_members = evsel->nr_members;
168	fields_a = calloc(nr_members, sizeof(*fields_a));
169	fields_b = calloc(nr_members, sizeof(*fields_b));
170
171	if (!fields_a || !fields_b)
172		goto out;
173
174	list_for_each_entry(pair, &a->pairs.head, pairs.node) {
175		evsel = hists_to_evsel(pair->hists);
176		fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
177	}
178
179	list_for_each_entry(pair, &b->pairs.head, pairs.node) {
180		evsel = hists_to_evsel(pair->hists);
181		fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
182	}
183
184	for (i = 1; i < nr_members; i++) {
185		ret = field_cmp(fields_a[i], fields_b[i]);
186		if (ret)
187			break;
188	}
189
190out:
191	free(fields_a);
192	free(fields_b);
193
194	return ret;
195}
196
197static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
198			   hpp_field_fn get_field)
199{
200	s64 ret = 0;
201
202	if (symbol_conf.cumulate_callchain) {
203		/*
204		 * Put caller above callee when they have equal period.
205		 */
206		ret = field_cmp(get_field(a), get_field(b));
207		if (ret)
208			return ret;
209
210		if (a->thread != b->thread || !symbol_conf.use_callchain)
211			return 0;
212
213		ret = b->callchain->max_depth - a->callchain->max_depth;
214		if (callchain_param.order == ORDER_CALLER)
215			ret = -ret;
216	}
217	return ret;
218}
219
220static int hpp__width_fn(struct perf_hpp_fmt *fmt,
221			 struct perf_hpp *hpp __maybe_unused,
222			 struct hists *hists)
223{
224	int len = fmt->user_len ?: fmt->len;
225	struct perf_evsel *evsel = hists_to_evsel(hists);
226
227	if (symbol_conf.event_group)
228		len = max(len, evsel->nr_members * fmt->len);
229
230	if (len < (int)strlen(fmt->name))
231		len = strlen(fmt->name);
232
233	return len;
234}
235
236static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
237			  struct hists *hists, int line __maybe_unused,
238			  int *span __maybe_unused)
239{
240	int len = hpp__width_fn(fmt, hpp, hists);
241	return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
242}
243
244int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
245{
246	va_list args;
247	ssize_t ssize = hpp->size;
248	double percent;
249	int ret, len;
250
251	va_start(args, fmt);
252	len = va_arg(args, int);
253	percent = va_arg(args, double);
254	ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
255	va_end(args);
256
257	return (ret >= ssize) ? (ssize - 1) : ret;
258}
259
260static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
261{
262	va_list args;
263	ssize_t ssize = hpp->size;
264	int ret;
265
266	va_start(args, fmt);
267	ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
268	va_end(args);
269
270	return (ret >= ssize) ? (ssize - 1) : ret;
271}
272
273#define __HPP_COLOR_PERCENT_FN(_type, _field)					\
274static u64 he_get_##_field(struct hist_entry *he)				\
275{										\
276	return he->stat._field;							\
277}										\
278										\
279static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
280			      struct perf_hpp *hpp, struct hist_entry *he) 	\
281{										\
282	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
283			hpp_color_scnprintf, true);				\
284}
285
286#define __HPP_ENTRY_PERCENT_FN(_type, _field)					\
287static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
288			      struct perf_hpp *hpp, struct hist_entry *he) 	\
289{										\
290	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
291			hpp_entry_scnprintf, true);				\
292}
293
294#define __HPP_SORT_FN(_type, _field)						\
295static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
296				 struct hist_entry *a, struct hist_entry *b) 	\
297{										\
298	return __hpp__sort(a, b, he_get_##_field);				\
299}
300
301#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
302static u64 he_get_acc_##_field(struct hist_entry *he)				\
303{										\
304	return he->stat_acc->_field;						\
305}										\
306										\
307static int hpp__color_##_type(struct perf_hpp_fmt *fmt,				\
308			      struct perf_hpp *hpp, struct hist_entry *he) 	\
309{										\
310	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", 	\
311			    hpp_color_scnprintf, true);				\
312}
313
314#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
315static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
316			      struct perf_hpp *hpp, struct hist_entry *he) 	\
317{										\
318	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",	\
319			    hpp_entry_scnprintf, true);				\
320}
321
322#define __HPP_SORT_ACC_FN(_type, _field)					\
323static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
324				 struct hist_entry *a, struct hist_entry *b) 	\
325{										\
326	return __hpp__sort_acc(a, b, he_get_acc_##_field);			\
327}
328
329#define __HPP_ENTRY_RAW_FN(_type, _field)					\
330static u64 he_get_raw_##_field(struct hist_entry *he)				\
331{										\
332	return he->stat._field;							\
333}										\
334										\
335static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,				\
336			      struct perf_hpp *hpp, struct hist_entry *he) 	\
337{										\
338	return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, 	\
339			hpp_entry_scnprintf, false);				\
340}
341
342#define __HPP_SORT_RAW_FN(_type, _field)					\
343static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, 	\
344				 struct hist_entry *a, struct hist_entry *b) 	\
345{										\
346	return __hpp__sort(a, b, he_get_raw_##_field);				\
347}
348
349
350#define HPP_PERCENT_FNS(_type, _field)					\
351__HPP_COLOR_PERCENT_FN(_type, _field)					\
352__HPP_ENTRY_PERCENT_FN(_type, _field)					\
353__HPP_SORT_FN(_type, _field)
354
355#define HPP_PERCENT_ACC_FNS(_type, _field)				\
356__HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
357__HPP_ENTRY_ACC_PERCENT_FN(_type, _field)				\
358__HPP_SORT_ACC_FN(_type, _field)
359
360#define HPP_RAW_FNS(_type, _field)					\
361__HPP_ENTRY_RAW_FN(_type, _field)					\
362__HPP_SORT_RAW_FN(_type, _field)
363
364HPP_PERCENT_FNS(overhead, period)
365HPP_PERCENT_FNS(overhead_sys, period_sys)
366HPP_PERCENT_FNS(overhead_us, period_us)
367HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
368HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
369HPP_PERCENT_ACC_FNS(overhead_acc, period)
370
371HPP_RAW_FNS(samples, nr_events)
372HPP_RAW_FNS(period, period)
373
374static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
375			    struct hist_entry *a __maybe_unused,
376			    struct hist_entry *b __maybe_unused)
377{
378	return 0;
379}
380
381static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
382{
383	return a->header == hpp__header_fn;
384}
385
386static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
387{
388	if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
389		return false;
390
391	return a->idx == b->idx;
392}
393
394#define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)		\
395	{						\
396		.name   = _name,			\
397		.header	= hpp__header_fn,		\
398		.width	= hpp__width_fn,		\
399		.color	= hpp__color_ ## _fn,		\
400		.entry	= hpp__entry_ ## _fn,		\
401		.cmp	= hpp__nop_cmp,			\
402		.collapse = hpp__nop_cmp,		\
403		.sort	= hpp__sort_ ## _fn,		\
404		.idx	= PERF_HPP__ ## _idx,		\
405		.equal	= hpp__equal,			\
406	}
407
408#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)	\
409	{						\
410		.name   = _name,			\
411		.header	= hpp__header_fn,		\
412		.width	= hpp__width_fn,		\
413		.color	= hpp__color_ ## _fn,		\
414		.entry	= hpp__entry_ ## _fn,		\
415		.cmp	= hpp__nop_cmp,			\
416		.collapse = hpp__nop_cmp,		\
417		.sort	= hpp__sort_ ## _fn,		\
418		.idx	= PERF_HPP__ ## _idx,		\
419		.equal	= hpp__equal,			\
420	}
421
422#define HPP__PRINT_FNS(_name, _fn, _idx)		\
423	{						\
424		.name   = _name,			\
425		.header	= hpp__header_fn,		\
426		.width	= hpp__width_fn,		\
427		.entry	= hpp__entry_ ## _fn,		\
428		.cmp	= hpp__nop_cmp,			\
429		.collapse = hpp__nop_cmp,		\
430		.sort	= hpp__sort_ ## _fn,		\
431		.idx	= PERF_HPP__ ## _idx,		\
432		.equal	= hpp__equal,			\
433	}
434
435struct perf_hpp_fmt perf_hpp__format[] = {
436	HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
437	HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
438	HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
439	HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
440	HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
441	HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
442	HPP__PRINT_FNS("Samples", samples, SAMPLES),
443	HPP__PRINT_FNS("Period", period, PERIOD)
444};
445
446struct perf_hpp_list perf_hpp_list = {
447	.fields	= LIST_HEAD_INIT(perf_hpp_list.fields),
448	.sorts	= LIST_HEAD_INIT(perf_hpp_list.sorts),
449	.nr_header_lines = 1,
450};
451
452#undef HPP__COLOR_PRINT_FNS
453#undef HPP__COLOR_ACC_PRINT_FNS
454#undef HPP__PRINT_FNS
455
456#undef HPP_PERCENT_FNS
457#undef HPP_PERCENT_ACC_FNS
458#undef HPP_RAW_FNS
459
460#undef __HPP_HEADER_FN
461#undef __HPP_WIDTH_FN
462#undef __HPP_COLOR_PERCENT_FN
463#undef __HPP_ENTRY_PERCENT_FN
464#undef __HPP_COLOR_ACC_PERCENT_FN
465#undef __HPP_ENTRY_ACC_PERCENT_FN
466#undef __HPP_ENTRY_RAW_FN
467#undef __HPP_SORT_FN
468#undef __HPP_SORT_ACC_FN
469#undef __HPP_SORT_RAW_FN
470
471
472void perf_hpp__init(void)
473{
474	int i;
475
476	for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
477		struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
478
479		INIT_LIST_HEAD(&fmt->list);
480
481		/* sort_list may be linked by setup_sorting() */
482		if (fmt->sort_list.next == NULL)
483			INIT_LIST_HEAD(&fmt->sort_list);
484	}
485
486	/*
487	 * If user specified field order, no need to setup default fields.
488	 */
489	if (is_strict_order(field_order))
490		return;
491
492	if (symbol_conf.cumulate_callchain) {
493		hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
494		perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
495	}
496
497	hpp_dimension__add_output(PERF_HPP__OVERHEAD);
498
499	if (symbol_conf.show_cpu_utilization) {
500		hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
501		hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
502
503		if (perf_guest) {
504			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
505			hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
506		}
507	}
508
509	if (symbol_conf.show_nr_samples)
510		hpp_dimension__add_output(PERF_HPP__SAMPLES);
511
512	if (symbol_conf.show_total_period)
513		hpp_dimension__add_output(PERF_HPP__PERIOD);
514}
515
516void perf_hpp_list__column_register(struct perf_hpp_list *list,
517				    struct perf_hpp_fmt *format)
518{
519	list_add_tail(&format->list, &list->fields);
520}
521
522void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
523					struct perf_hpp_fmt *format)
524{
525	list_add_tail(&format->sort_list, &list->sorts);
526}
527
528void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
529				       struct perf_hpp_fmt *format)
530{
531	list_add(&format->sort_list, &list->sorts);
532}
533
534void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
535{
536	list_del_init(&format->list);
537}
538
539void perf_hpp__cancel_cumulate(void)
540{
541	struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
542
543	if (is_strict_order(field_order))
544		return;
545
546	ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
547	acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
548
549	perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
550		if (acc->equal(acc, fmt)) {
551			perf_hpp__column_unregister(fmt);
552			continue;
553		}
554
555		if (ovh->equal(ovh, fmt))
556			fmt->name = "Overhead";
557	}
558}
559
560static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
561{
562	return a->equal && a->equal(a, b);
563}
564
565void perf_hpp__setup_output_field(struct perf_hpp_list *list)
566{
567	struct perf_hpp_fmt *fmt;
568
569	/* append sort keys to output field */
570	perf_hpp_list__for_each_sort_list(list, fmt) {
571		struct perf_hpp_fmt *pos;
572
573		/* skip sort-only fields ("sort_compute" in perf diff) */
574		if (!fmt->entry && !fmt->color)
575			continue;
576
577		perf_hpp_list__for_each_format(list, pos) {
578			if (fmt_equal(fmt, pos))
579				goto next;
580		}
581
582		perf_hpp__column_register(fmt);
583next:
584		continue;
585	}
586}
587
588void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
589{
590	struct perf_hpp_fmt *fmt;
591
592	/* append output fields to sort keys */
593	perf_hpp_list__for_each_format(list, fmt) {
594		struct perf_hpp_fmt *pos;
595
596		perf_hpp_list__for_each_sort_list(list, pos) {
597			if (fmt_equal(fmt, pos))
598				goto next;
599		}
600
601		perf_hpp__register_sort_field(fmt);
602next:
603		continue;
604	}
605}
606
607
608static void fmt_free(struct perf_hpp_fmt *fmt)
609{
610	/*
611	 * At this point fmt should be completely
612	 * unhooked, if not it's a bug.
613	 */
614	BUG_ON(!list_empty(&fmt->list));
615	BUG_ON(!list_empty(&fmt->sort_list));
616
617	if (fmt->free)
618		fmt->free(fmt);
619}
620
621void perf_hpp__reset_output_field(struct perf_hpp_list *list)
622{
623	struct perf_hpp_fmt *fmt, *tmp;
624
625	/* reset output fields */
626	perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
627		list_del_init(&fmt->list);
628		list_del_init(&fmt->sort_list);
629		fmt_free(fmt);
630	}
631
632	/* reset sort keys */
633	perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
634		list_del_init(&fmt->list);
635		list_del_init(&fmt->sort_list);
636		fmt_free(fmt);
637	}
638}
639
640/*
641 * See hists__fprintf to match the column widths
642 */
643unsigned int hists__sort_list_width(struct hists *hists)
644{
645	struct perf_hpp_fmt *fmt;
646	int ret = 0;
647	bool first = true;
648	struct perf_hpp dummy_hpp;
649
650	hists__for_each_format(hists, fmt) {
651		if (perf_hpp__should_skip(fmt, hists))
652			continue;
653
654		if (first)
655			first = false;
656		else
657			ret += 2;
658
659		ret += fmt->width(fmt, &dummy_hpp, hists);
660	}
661
662	if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
663		ret += 3 + BITS_PER_LONG / 4;
664
665	return ret;
666}
667
668unsigned int hists__overhead_width(struct hists *hists)
669{
670	struct perf_hpp_fmt *fmt;
671	int ret = 0;
672	bool first = true;
673	struct perf_hpp dummy_hpp;
674
675	hists__for_each_format(hists, fmt) {
676		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
677			break;
678
679		if (first)
680			first = false;
681		else
682			ret += 2;
683
684		ret += fmt->width(fmt, &dummy_hpp, hists);
685	}
686
687	return ret;
688}
689
690void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
691{
692	if (perf_hpp__is_sort_entry(fmt))
693		return perf_hpp__reset_sort_width(fmt, hists);
694
695	if (perf_hpp__is_dynamic_entry(fmt))
696		return;
697
698	BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
699
700	switch (fmt->idx) {
701	case PERF_HPP__OVERHEAD:
702	case PERF_HPP__OVERHEAD_SYS:
703	case PERF_HPP__OVERHEAD_US:
704	case PERF_HPP__OVERHEAD_ACC:
705		fmt->len = 8;
706		break;
707
708	case PERF_HPP__OVERHEAD_GUEST_SYS:
709	case PERF_HPP__OVERHEAD_GUEST_US:
710		fmt->len = 9;
711		break;
712
713	case PERF_HPP__SAMPLES:
714	case PERF_HPP__PERIOD:
715		fmt->len = 12;
716		break;
717
718	default:
719		break;
720	}
721}
722
723void hists__reset_column_width(struct hists *hists)
724{
725	struct perf_hpp_fmt *fmt;
726	struct perf_hpp_list_node *node;
727
728	hists__for_each_format(hists, fmt)
729		perf_hpp__reset_width(fmt, hists);
730
731	/* hierarchy entries have their own hpp list */
732	list_for_each_entry(node, &hists->hpp_formats, list) {
733		perf_hpp_list__for_each_format(&node->hpp, fmt)
734			perf_hpp__reset_width(fmt, hists);
735	}
736}
737
738void perf_hpp__set_user_width(const char *width_list_str)
739{
740	struct perf_hpp_fmt *fmt;
741	const char *ptr = width_list_str;
742
743	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
744		char *p;
745
746		int len = strtol(ptr, &p, 10);
747		fmt->user_len = len;
748
749		if (*p == ',')
750			ptr = p + 1;
751		else
752			break;
753	}
754}
755
756static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
757{
758	struct perf_hpp_list_node *node = NULL;
759	struct perf_hpp_fmt *fmt_copy;
760	bool found = false;
761	bool skip = perf_hpp__should_skip(fmt, hists);
762
763	list_for_each_entry(node, &hists->hpp_formats, list) {
764		if (node->level == fmt->level) {
765			found = true;
766			break;
767		}
768	}
769
770	if (!found) {
771		node = malloc(sizeof(*node));
772		if (node == NULL)
773			return -1;
774
775		node->skip = skip;
776		node->level = fmt->level;
777		perf_hpp_list__init(&node->hpp);
778
779		hists->nr_hpp_node++;
780		list_add_tail(&node->list, &hists->hpp_formats);
781	}
782
783	fmt_copy = perf_hpp_fmt__dup(fmt);
784	if (fmt_copy == NULL)
785		return -1;
786
787	if (!skip)
788		node->skip = false;
789
790	list_add_tail(&fmt_copy->list, &node->hpp.fields);
791	list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
792
793	return 0;
794}
795
796int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
797				  struct perf_evlist *evlist)
798{
799	struct perf_evsel *evsel;
800	struct perf_hpp_fmt *fmt;
801	struct hists *hists;
802	int ret;
803
804	if (!symbol_conf.report_hierarchy)
805		return 0;
806
807	evlist__for_each_entry(evlist, evsel) {
808		hists = evsel__hists(evsel);
809
810		perf_hpp_list__for_each_sort_list(list, fmt) {
811			if (perf_hpp__is_dynamic_entry(fmt) &&
812			    !perf_hpp__defined_dynamic_entry(fmt, hists))
813				continue;
814
815			ret = add_hierarchy_fmt(hists, fmt);
816			if (ret < 0)
817				return ret;
818		}
819	}
820
821	return 0;
822}