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 
__hpp__fmt(struct perf_hpp * hpp,struct hist_entry * he,hpp_field_fn get_field,const char * fmt,int len,hpp_snprint_fn print_fn,bool fmt_percent)25 static 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 
hpp__fmt(struct perf_hpp_fmt * fmt,struct perf_hpp * hpp,struct hist_entry * he,hpp_field_fn get_field,const char * fmtstr,hpp_snprint_fn print_fn,bool fmt_percent)114 int 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 
hpp__fmt_acc(struct perf_hpp_fmt * fmt,struct perf_hpp * hpp,struct hist_entry * he,hpp_field_fn get_field,const char * fmtstr,hpp_snprint_fn print_fn,bool fmt_percent)133 int 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 
field_cmp(u64 field_a,u64 field_b)145 static 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 
hist_entry__new_pair(struct hist_entry * a,struct hist_entry * b,hpp_field_fn get_field,int nr_members,u64 ** fields_a,u64 ** fields_b)154 static 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;
178 out_free:
179 	free(fa);
180 	free(fb);
181 	*fields_a = *fields_b = NULL;
182 	return -1;
183 }
184 
__hpp__group_sort_idx(struct hist_entry * a,struct hist_entry * b,hpp_field_fn get_field,int idx)185 static 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 
218 out:
219 	free(fields_a);
220 	free(fields_b);
221 
222 	return ret;
223 }
224 
__hpp__sort(struct hist_entry * a,struct hist_entry * b,hpp_field_fn get_field)225 static 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 
257 out:
258 	free(fields_a);
259 	free(fields_b);
260 
261 	return ret;
262 }
263 
__hpp__sort_acc(struct hist_entry * a,struct hist_entry * b,hpp_field_fn get_field)264 static 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 
hpp__width_fn(struct perf_hpp_fmt * fmt,struct perf_hpp * hpp __maybe_unused,struct hists * hists)287 static 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 
hpp__header_fn(struct perf_hpp_fmt * fmt,struct perf_hpp * hpp,struct hists * hists,int line __maybe_unused,int * span __maybe_unused)303 static 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 
hpp_color_scnprintf(struct perf_hpp * hpp,const char * fmt,...)311 int 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 
hpp_entry_scnprintf(struct perf_hpp * hpp,const char * fmt,...)327 static 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)					\
341 static u64 he_get_##_field(struct hist_entry *he)				\
342 {										\
343 	return he->stat._field;							\
344 }										\
345 										\
346 static 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)					\
354 static 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)						\
362 static 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)				\
369 static u64 he_get_acc_##_field(struct hist_entry *he)				\
370 {										\
371 	return he->stat_acc->_field;						\
372 }										\
373 										\
374 static 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)				\
382 static 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)					\
390 static 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)					\
397 static u64 he_get_raw_##_field(struct hist_entry *he)				\
398 {										\
399 	return he->stat._field;							\
400 }										\
401 										\
402 static 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)					\
410 static 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 
HPP_PERCENT_FNS(overhead,period)431 HPP_PERCENT_FNS(overhead, period)
432 HPP_PERCENT_FNS(overhead_sys, period_sys)
433 HPP_PERCENT_FNS(overhead_us, period_us)
434 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
435 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
436 HPP_PERCENT_ACC_FNS(overhead_acc, period)
437 
438 HPP_RAW_FNS(samples, nr_events)
439 HPP_RAW_FNS(period, period)
440 
441 static 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 
perf_hpp__is_hpp_entry(struct perf_hpp_fmt * a)448 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
449 {
450 	return a->header == hpp__header_fn;
451 }
452 
hpp__equal(struct perf_hpp_fmt * a,struct perf_hpp_fmt * b)453 static 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 
502 struct 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 
513 struct 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 
fmt_free(struct perf_hpp_fmt * fmt)538 static 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 
perf_hpp__init(void)551 void 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 
perf_hpp_list__column_register(struct perf_hpp_list * list,struct perf_hpp_fmt * format)595 void 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 
perf_hpp_list__register_sort_field(struct perf_hpp_list * list,struct perf_hpp_fmt * format)601 void 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 
perf_hpp_list__prepend_sort_field(struct perf_hpp_list * list,struct perf_hpp_fmt * format)607 void 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 
perf_hpp__column_unregister(struct perf_hpp_fmt * format)613 static void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
614 {
615 	list_del_init(&format->list);
616 	fmt_free(format);
617 }
618 
perf_hpp__cancel_cumulate(void)619 void 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 
fmt_equal(struct perf_hpp_fmt * a,struct perf_hpp_fmt * b)640 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
641 {
642 	return a->equal && a->equal(a, b);
643 }
644 
perf_hpp__setup_output_field(struct perf_hpp_list * list)645 void 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);
663 next:
664 		continue;
665 	}
666 }
667 
perf_hpp__append_sort_keys(struct perf_hpp_list * list)668 void 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);
682 next:
683 		continue;
684 	}
685 }
686 
687 
perf_hpp__reset_output_field(struct perf_hpp_list * list)688 void 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  */
hists__sort_list_width(struct hists * hists)710 unsigned 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 
hists__overhead_width(struct hists * hists)735 unsigned 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 
perf_hpp__reset_width(struct perf_hpp_fmt * fmt,struct hists * hists)757 void 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 
hists__reset_column_width(struct hists * hists)790 void 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 
perf_hpp__set_user_width(const char * width_list_str)805 void 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 
add_hierarchy_fmt(struct hists * hists,struct perf_hpp_fmt * fmt)823 static 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 
perf_hpp__setup_hists_formats(struct perf_hpp_list * list,struct evlist * evlist)863 int 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 }
890