[deliverable/linux.git] / tools / perf / ui / hist.c

#include <math.h>
#include <linux/compiler.h>

#include "../util/hist.h"
#include "../util/util.h"
#include "../util/sort.h"
#include "../util/evsel.h"

/* hist period print (hpp) functions */

int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
	       u64 (*get_field)(struct hist_entry *),
	       const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent)
{
	int ret;
	struct hists *hists = he->hists;
	struct perf_evsel *evsel = hists_to_evsel(hists);

	if (fmt_percent) {
		double percent = 0.0;

		if (hists->stats.total_period)
			percent = 100.0 * get_field(he) /
				  hists->stats.total_period;

		ret = print_fn(hpp->buf, hpp->size, fmt, percent);
	} else
		ret = print_fn(hpp->buf, hpp->size, fmt, get_field(he));

	if (perf_evsel__is_group_event(evsel)) {
		int prev_idx, idx_delta;
		struct hist_entry *pair;
		int nr_members = evsel->nr_members;

		prev_idx = perf_evsel__group_idx(evsel);

		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
			u64 period = get_field(pair);
			u64 total = pair->hists->stats.total_period;

			if (!total)
				continue;

			evsel = hists_to_evsel(pair->hists);
			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;

			while (idx_delta--) {
				/*
				 * zero-fill group members in the middle which
				 * have no sample
				 */
				if (fmt_percent) {
					ret += print_fn(hpp->buf + ret,
							hpp->size - ret,
							fmt, 0.0);
				} else {
					ret += print_fn(hpp->buf + ret,
							hpp->size - ret,
							fmt, 0ULL);
				}
			}

			if (fmt_percent)
				ret += print_fn(hpp->buf + ret, hpp->size - ret,
						fmt, 100.0 * period / total);
			else
				ret += print_fn(hpp->buf + ret, hpp->size - ret,
						fmt, period);

			prev_idx = perf_evsel__group_idx(evsel);
		}

		idx_delta = nr_members - prev_idx - 1;

		while (idx_delta--) {
			/*
			 * zero-fill group members at last which have no sample
			 */
			if (fmt_percent) {
				ret += print_fn(hpp->buf + ret, hpp->size - ret,
						fmt, 0.0);
			} else {
				ret += print_fn(hpp->buf + ret, hpp->size - ret,
						fmt, 0ULL);
			}
		}
	}
	return ret;
}

#define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) 		\
static int hpp__header_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
			       struct perf_hpp *hpp)			\
{									\
	int len = _min_width;						\
									\
	if (symbol_conf.event_group) {					\
		struct perf_evsel *evsel = hpp->ptr;			\
									\
		len = max(len, evsel->nr_members * _unit_width);	\
	}								\
	return scnprintf(hpp->buf, hpp->size, "%*s", len, _str);	\
}

#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) 			\
static int hpp__width_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
			      struct perf_hpp *hpp __maybe_unused)	\
{									\
	int len = _min_width;						\
									\
	if (symbol_conf.event_group) {					\
		struct perf_evsel *evsel = hpp->ptr;			\
									\
		len = max(len, evsel->nr_members * _unit_width);	\
	}								\
	return len;							\
}

#define __HPP_COLOR_PERCENT_FN(_type, _field)					\
static u64 he_get_##_field(struct hist_entry *he)				\
{										\
	return he->stat._field;							\
}										\
										\
static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,		\
			      struct perf_hpp *hpp, struct hist_entry *he) 	\
{										\
	return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%",			\
			  percent_color_snprintf, true);			\
}

#define __HPP_ENTRY_PERCENT_FN(_type, _field)					\
static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused,		\
			      struct perf_hpp *hpp, struct hist_entry *he) 	\
{										\
	const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%";		\
	return __hpp__fmt(hpp, he, he_get_##_field, fmt,			\
			  scnprintf, true);					\
}

#define __HPP_ENTRY_RAW_FN(_type, _field)					\
static u64 he_get_raw_##_field(struct hist_entry *he)				\
{										\
	return he->stat._field;							\
}										\
										\
static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused,		\
			      struct perf_hpp *hpp, struct hist_entry *he) 	\
{										\
	const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64;	\
	return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf, false);	\
}

#define HPP_PERCENT_FNS(_type, _str, _field, _min_width, _unit_width)	\
__HPP_HEADER_FN(_type, _str, _min_width, _unit_width)			\
__HPP_WIDTH_FN(_type, _min_width, _unit_width)				\
__HPP_COLOR_PERCENT_FN(_type, _field)					\
__HPP_ENTRY_PERCENT_FN(_type, _field)

#define HPP_RAW_FNS(_type, _str, _field, _min_width, _unit_width)	\
__HPP_HEADER_FN(_type, _str, _min_width, _unit_width)			\
__HPP_WIDTH_FN(_type, _min_width, _unit_width)				\
__HPP_ENTRY_RAW_FN(_type, _field)


HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8)
HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8)
HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8)
HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8)
HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8)

HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
HPP_RAW_FNS(period, "Period", period, 12, 12)

#define HPP__COLOR_PRINT_FNS(_name)			\
	{						\
		.header	= hpp__header_ ## _name,	\
		.width	= hpp__width_ ## _name,		\
		.color	= hpp__color_ ## _name,		\
		.entry	= hpp__entry_ ## _name		\
	}

#define HPP__PRINT_FNS(_name)				\
	{						\
		.header	= hpp__header_ ## _name,	\
		.width	= hpp__width_ ## _name,		\
		.entry	= hpp__entry_ ## _name		\
	}

struct perf_hpp_fmt perf_hpp__format[] = {
	HPP__COLOR_PRINT_FNS(overhead),
	HPP__COLOR_PRINT_FNS(overhead_sys),
	HPP__COLOR_PRINT_FNS(overhead_us),
	HPP__COLOR_PRINT_FNS(overhead_guest_sys),
	HPP__COLOR_PRINT_FNS(overhead_guest_us),
	HPP__PRINT_FNS(samples),
	HPP__PRINT_FNS(period)
};

LIST_HEAD(perf_hpp__list);


#undef HPP__COLOR_PRINT_FNS
#undef HPP__PRINT_FNS

#undef HPP_PERCENT_FNS
#undef HPP_RAW_FNS

#undef __HPP_HEADER_FN
#undef __HPP_WIDTH_FN
#undef __HPP_COLOR_PERCENT_FN
#undef __HPP_ENTRY_PERCENT_FN
#undef __HPP_ENTRY_RAW_FN


void perf_hpp__init(void)
{
	perf_hpp__column_enable(PERF_HPP__OVERHEAD);

	if (symbol_conf.show_cpu_utilization) {
		perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS);
		perf_hpp__column_enable(PERF_HPP__OVERHEAD_US);

		if (perf_guest) {
			perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS);
			perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US);
		}
	}

	if (symbol_conf.show_nr_samples)
		perf_hpp__column_enable(PERF_HPP__SAMPLES);

	if (symbol_conf.show_total_period)
		perf_hpp__column_enable(PERF_HPP__PERIOD);
}

void perf_hpp__column_register(struct perf_hpp_fmt *format)
{
	list_add_tail(&format->list, &perf_hpp__list);
}

void perf_hpp__column_enable(unsigned col)
{
	BUG_ON(col >= PERF_HPP__MAX_INDEX);
	perf_hpp__column_register(&perf_hpp__format[col]);
}

int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size,
			      struct hists *hists)
{
	const char *sep = symbol_conf.field_sep;
	struct sort_entry *se;
	int ret = 0;

	list_for_each_entry(se, &hist_entry__sort_list, list) {
		if (se->elide)
			continue;

		ret += scnprintf(s + ret, size - ret, "%s", sep ?: "  ");
		ret += se->se_snprintf(he, s + ret, size - ret,
				       hists__col_len(hists, se->se_width_idx));
	}

	return ret;
}

/*
 * See hists__fprintf to match the column widths
 */
unsigned int hists__sort_list_width(struct hists *hists)
{
	struct perf_hpp_fmt *fmt;
	struct sort_entry *se;
	int i = 0, ret = 0;
	struct perf_hpp dummy_hpp = {
		.ptr	= hists_to_evsel(hists),
	};

	perf_hpp__for_each_format(fmt) {
		if (i)
			ret += 2;

		ret += fmt->width(fmt, &dummy_hpp);
	}

	list_for_each_entry(se, &hist_entry__sort_list, list)
		if (!se->elide)
			ret += 2 + hists__col_len(hists, se->se_width_idx);

	if (verbose) /* Addr + origin */
		ret += 3 + BITS_PER_LONG / 4;

	return ret;
}
Commit	Line	Data
ea251d51	1	#include <math.h>
2c5d4b4a	2	#include <linux/compiler.h>
ea251d51 NK	3
	4	#include "../util/hist.h"
	5	#include "../util/util.h"
	6	#include "../util/sort.h"
4fb71074	7	#include "../util/evsel.h"
ea251d51 NK	8
ea251d51 NK	9	/* hist period print (hpp) functions */
ea251d51	10
4a62109f NK	11	int __hpp__fmt(struct perf_hpp hpp, struct hist_entry he,
	12	u64 (get_field)(struct hist_entry ),
	13	const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent)
ea251d51	14	{
4fb71074	15	int ret;
b5ff71c3	16	struct hists *hists = he->hists;
759ff497	17	struct perf_evsel *evsel = hists_to_evsel(hists);
ea251d51	18
0c5268bf JO	19	if (fmt_percent) {
0c5268bf JO	20	double percent = 0.0;
9ffad987	21
0c5268bf JO	22	if (hists->stats.total_period)
	23	percent = 100.0 * get_field(he) /
	24	hists->stats.total_period;
	25
	26	ret = print_fn(hpp->buf, hpp->size, fmt, percent);
	27	} else
	28	ret = print_fn(hpp->buf, hpp->size, fmt, get_field(he));
5b9e2146	29
759ff497	30	if (perf_evsel__is_group_event(evsel)) {
5b9e2146	31	int prev_idx, idx_delta;
5b9e2146 NK	32	struct hist_entry *pair;
	33	int nr_members = evsel->nr_members;
	34
5b9e2146 NK	35	prev_idx = perf_evsel__group_idx(evsel);
	36
	37	list_for_each_entry(pair, &he->pairs.head, pairs.node) {
	38	u64 period = get_field(pair);
	39	u64 total = pair->hists->stats.total_period;
	40
	41	if (!total)
	42	continue;
	43
	44	evsel = hists_to_evsel(pair->hists);
	45	idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
	46
	47	while (idx_delta--) {
	48	/*
	49	* zero-fill group members in the middle which
	50	* have no sample
	51	*/
9b0d2fb8 NK	52	if (fmt_percent) {
	53	ret += print_fn(hpp->buf + ret,
	54	hpp->size - ret,
	55	fmt, 0.0);
	56	} else {
	57	ret += print_fn(hpp->buf + ret,
	58	hpp->size - ret,
	59	fmt, 0ULL);
	60	}
5b9e2146 NK	61	}
5b9e2146 NK	62
0c5268bf JO	63	if (fmt_percent)
	64	ret += print_fn(hpp->buf + ret, hpp->size - ret,
	65	fmt, 100.0 * period / total);
	66	else
	67	ret += print_fn(hpp->buf + ret, hpp->size - ret,
	68	fmt, period);
5b9e2146 NK	69
	70	prev_idx = perf_evsel__group_idx(evsel);
	71	}
	72
	73	idx_delta = nr_members - prev_idx - 1;
	74
	75	while (idx_delta--) {
	76	/*
	77	* zero-fill group members at last which have no sample
	78	*/
9b0d2fb8 NK	79	if (fmt_percent) {
	80	ret += print_fn(hpp->buf + ret, hpp->size - ret,
	81	fmt, 0.0);
	82	} else {
	83	ret += print_fn(hpp->buf + ret, hpp->size - ret,
	84	fmt, 0ULL);
	85	}
5b9e2146 NK	86	}
5b9e2146 NK	87	}
4fb71074	88	return ret;
ea251d51 NK	89	}
ea251d51 NK	90
4fb71074	91	#define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
2c5d4b4a JO	92	static int hpp__header_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
2c5d4b4a JO	93	struct perf_hpp *hpp) \
4fb71074 NK	94	{ \
	95	int len = _min_width; \
	96	\
5b9e2146 NK	97	if (symbol_conf.event_group) { \
	98	struct perf_evsel *evsel = hpp->ptr; \
	99	\
	100	len = max(len, evsel->nr_members * _unit_width); \
	101	} \
4fb71074	102	return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \
ea251d51 NK	103	}
ea251d51 NK	104
4fb71074	105	#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) \
2c5d4b4a JO	106	static int hpp__width_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
2c5d4b4a JO	107	struct perf_hpp *hpp __maybe_unused) \
4fb71074 NK	108	{ \
	109	int len = _min_width; \
	110	\
5b9e2146 NK	111	if (symbol_conf.event_group) { \
	112	struct perf_evsel *evsel = hpp->ptr; \
	113	\
	114	len = max(len, evsel->nr_members * _unit_width); \
	115	} \
4fb71074	116	return len; \
ea251d51 NK	117	}
ea251d51 NK	118
4fb71074 NK	119	#define __HPP_COLOR_PERCENT_FN(_type, _field) \
	120	static u64 he_get_##_field(struct hist_entry *he) \
	121	{ \
	122	return he->stat._field; \
	123	} \
	124	\
2c5d4b4a JO	125	static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
2c5d4b4a JO	126	struct perf_hpp hpp, struct hist_entry he) \
4fb71074	127	{ \
0c5268bf	128	return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
53805eca	129	percent_color_snprintf, true); \
ea251d51 NK	130	}
ea251d51 NK	131
4fb71074	132	#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
2c5d4b4a JO	133	static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \
2c5d4b4a JO	134	struct perf_hpp hpp, struct hist_entry he) \
4fb71074 NK	135	{ \
4fb71074 NK	136	const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \
0c5268bf JO	137	return __hpp__fmt(hpp, he, he_get_##_field, fmt, \
0c5268bf JO	138	scnprintf, true); \
ea251d51 NK	139	}
ea251d51 NK	140
4fb71074 NK	141	#define __HPP_ENTRY_RAW_FN(_type, _field) \
	142	static u64 he_get_raw_##_field(struct hist_entry *he) \
	143	{ \
	144	return he->stat._field; \
	145	} \
	146	\
2c5d4b4a JO	147	static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \
2c5d4b4a JO	148	struct perf_hpp hpp, struct hist_entry he) \
4fb71074 NK	149	{ \
4fb71074 NK	150	const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \
0c5268bf	151	return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf, false); \
ea251d51 NK	152	}
ea251d51 NK	153
4fb71074 NK	154	#define HPP_PERCENT_FNS(_type, _str, _field, _min_width, _unit_width) \
	155	__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
	156	__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
	157	__HPP_COLOR_PERCENT_FN(_type, _field) \
	158	__HPP_ENTRY_PERCENT_FN(_type, _field)
ea251d51	159
4fb71074 NK	160	#define HPP_RAW_FNS(_type, _str, _field, _min_width, _unit_width) \
	161	__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
	162	__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
	163	__HPP_ENTRY_RAW_FN(_type, _field)
ea251d51	164
b5ff71c3	165
4fb71074 NK	166	HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8)
	167	HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8)
	168	HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8)
	169	HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8)
	170	HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8)
ea251d51	171
4fb71074 NK	172	HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
4fb71074 NK	173	HPP_RAW_FNS(period, "Period", period, 12, 12)
9ffad987	174
1240005e JO	175	#define HPP__COLOR_PRINT_FNS(_name) \
	176	{ \
	177	.header = hpp__header_ ## _name, \
	178	.width = hpp__width_ ## _name, \
	179	.color = hpp__color_ ## _name, \
	180	.entry = hpp__entry_ ## _name \
	181	}
ea251d51	182
1240005e JO	183	#define HPP__PRINT_FNS(_name) \
	184	{ \
	185	.header = hpp__header_ ## _name, \
	186	.width = hpp__width_ ## _name, \
	187	.entry = hpp__entry_ ## _name \
	188	}
ea251d51 NK	189
ea251d51 NK	190	struct perf_hpp_fmt perf_hpp__format[] = {
1240005e JO	191	HPP__COLOR_PRINT_FNS(overhead),
	192	HPP__COLOR_PRINT_FNS(overhead_sys),
	193	HPP__COLOR_PRINT_FNS(overhead_us),
	194	HPP__COLOR_PRINT_FNS(overhead_guest_sys),
	195	HPP__COLOR_PRINT_FNS(overhead_guest_us),
	196	HPP__PRINT_FNS(samples),
345dc0b4	197	HPP__PRINT_FNS(period)
ea251d51 NK	198	};
ea251d51 NK	199
1240005e JO	200	LIST_HEAD(perf_hpp__list);
1240005e JO	201
4fb71074	202
ea251d51 NK	203	#undef HPP__COLOR_PRINT_FNS
	204	#undef HPP__PRINT_FNS
	205
4fb71074 NK	206	#undef HPP_PERCENT_FNS
	207	#undef HPP_RAW_FNS
	208
	209	#undef __HPP_HEADER_FN
	210	#undef __HPP_WIDTH_FN
	211	#undef __HPP_COLOR_PERCENT_FN
	212	#undef __HPP_ENTRY_PERCENT_FN
	213	#undef __HPP_ENTRY_RAW_FN
	214
	215
1d77822e	216	void perf_hpp__init(void)
ea251d51	217	{
2b8bfa6b JO	218	perf_hpp__column_enable(PERF_HPP__OVERHEAD);
2b8bfa6b JO	219
ea251d51	220	if (symbol_conf.show_cpu_utilization) {
1240005e JO	221	perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS);
1240005e JO	222	perf_hpp__column_enable(PERF_HPP__OVERHEAD_US);
ea251d51 NK	223
ea251d51 NK	224	if (perf_guest) {
1240005e JO	225	perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS);
1240005e JO	226	perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US);
ea251d51 NK	227	}
	228	}
	229
	230	if (symbol_conf.show_nr_samples)
1240005e	231	perf_hpp__column_enable(PERF_HPP__SAMPLES);
ea251d51 NK	232
ea251d51 NK	233	if (symbol_conf.show_total_period)
1240005e	234	perf_hpp__column_enable(PERF_HPP__PERIOD);
1d77822e	235	}
ea251d51	236
1240005e JO	237	void perf_hpp__column_register(struct perf_hpp_fmt *format)
	238	{
	239	list_add_tail(&format->list, &perf_hpp__list);
	240	}
	241
	242	void perf_hpp__column_enable(unsigned col)
1d77822e JO	243	{
1d77822e JO	244	BUG_ON(col >= PERF_HPP__MAX_INDEX);
1240005e	245	perf_hpp__column_register(&perf_hpp__format[col]);
ea251d51 NK	246	}
ea251d51 NK	247
ea251d51 NK	248	int hist_entry__sort_snprintf(struct hist_entry he, char s, size_t size,
	249	struct hists *hists)
	250	{
	251	const char *sep = symbol_conf.field_sep;
	252	struct sort_entry *se;
	253	int ret = 0;
	254
	255	list_for_each_entry(se, &hist_entry__sort_list, list) {
	256	if (se->elide)
	257	continue;
	258
	259	ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
	260	ret += se->se_snprintf(he, s + ret, size - ret,
	261	hists__col_len(hists, se->se_width_idx));
	262	}
	263
	264	return ret;
	265	}
7e62ef44 NK	266
	267	/*
	268	* See hists__fprintf to match the column widths
	269	*/
	270	unsigned int hists__sort_list_width(struct hists *hists)
	271	{
1240005e	272	struct perf_hpp_fmt *fmt;
7e62ef44	273	struct sort_entry *se;
1240005e	274	int i = 0, ret = 0;
5b9e2146 NK	275	struct perf_hpp dummy_hpp = {
	276	.ptr = hists_to_evsel(hists),
	277	};
7e62ef44	278
1240005e	279	perf_hpp__for_each_format(fmt) {
7e62ef44 NK	280	if (i)
	281	ret += 2;
	282
2c5d4b4a	283	ret += fmt->width(fmt, &dummy_hpp);
7e62ef44 NK	284	}
	285
	286	list_for_each_entry(se, &hist_entry__sort_list, list)
	287	if (!se->elide)
	288	ret += 2 + hists__col_len(hists, se->se_width_idx);
	289
	290	if (verbose) /* Addr + origin */
	291	ret += 3 + BITS_PER_LONG / 4;
	292
	293	return ret;
	294	}