[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 */

typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);

static 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
				 */
				ret += print_fn(hpp->buf + ret, hpp->size - ret,
						fmt, 0);
			}

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