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
9/* hist period print (hpp) functions */
10
11typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);
12
13static 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)
17{
18	int ret;
19	struct hists *hists = he->hists;
20	struct perf_evsel *evsel = hists_to_evsel(hists);
21
22	if (fmt_percent) {
23		double percent = 0.0;
24
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));
32
33	if (perf_evsel__is_group_event(evsel)) {
34		int prev_idx, idx_delta;
35		struct hist_entry *pair;
36		int nr_members = evsel->nr_members;
37
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,
56						fmt, 0);
57			}
58
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);
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,
76					fmt, 0);
77		}
78	}
79	return ret;
80}
81
82#define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) 		\
83static int hpp__header_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
84			       struct perf_hpp *hpp)			\
85{									\
86	int len = _min_width;						\
87									\
88	if (symbol_conf.event_group) {					\
89		struct perf_evsel *evsel = hpp->ptr;			\
90									\
91		len = max(len, evsel->nr_members * _unit_width);	\
92	}								\
93	return scnprintf(hpp->buf, hpp->size, "%*s", len, _str);	\
94}
95
96#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) 			\
97static int hpp__width_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
98			      struct perf_hpp *hpp __maybe_unused)	\
99{									\
100	int len = _min_width;						\
101									\
102	if (symbol_conf.event_group) {					\
103		struct perf_evsel *evsel = hpp->ptr;			\
104									\
105		len = max(len, evsel->nr_members * _unit_width);	\
106	}								\
107	return len;							\
108}
109
110#define __HPP_COLOR_PERCENT_FN(_type, _field)					\
111static u64 he_get_##_field(struct hist_entry *he)				\
112{										\
113	return he->stat._field;							\
114}										\
115										\
116static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,		\
117			      struct perf_hpp *hpp, struct hist_entry *he) 	\
118{										\
119	return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%",			\
120			  percent_color_snprintf, true);			\
121}
122
123#define __HPP_ENTRY_PERCENT_FN(_type, _field)					\
124static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused,		\
125			      struct perf_hpp *hpp, struct hist_entry *he) 	\
126{										\
127	const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%";		\
128	return __hpp__fmt(hpp, he, he_get_##_field, fmt,			\
129			  scnprintf, true);					\
130}
131
132#define __HPP_ENTRY_RAW_FN(_type, _field)					\
133static u64 he_get_raw_##_field(struct hist_entry *he)				\
134{										\
135	return he->stat._field;							\
136}										\
137										\
138static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused,		\
139			      struct perf_hpp *hpp, struct hist_entry *he) 	\
140{										\
141	const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64;	\
142	return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf, false);	\
143}
144
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)
150
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)
155
156
157HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8)
158HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8)
159HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8)
160HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8)
161HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8)
162
163HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
164HPP_RAW_FNS(period, "Period", period, 12, 12)
165
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	}
173
174#define HPP__PRINT_FNS(_name)				\
175	{						\
176		.header	= hpp__header_ ## _name,	\
177		.width	= hpp__width_ ## _name,		\
178		.entry	= hpp__entry_ ## _name		\
179	}
180
181struct perf_hpp_fmt perf_hpp__format[] = {
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),
188	HPP__PRINT_FNS(period)
189};
190
191LIST_HEAD(perf_hpp__list);
192
193
194#undef HPP__COLOR_PRINT_FNS
195#undef HPP__PRINT_FNS
196
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
207void perf_hpp__init(void)
208{
209	perf_hpp__column_enable(PERF_HPP__OVERHEAD);
210
211	if (symbol_conf.show_cpu_utilization) {
212		perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS);
213		perf_hpp__column_enable(PERF_HPP__OVERHEAD_US);
214
215		if (perf_guest) {
216			perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS);
217			perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US);
218		}
219	}
220
221	if (symbol_conf.show_nr_samples)
222		perf_hpp__column_enable(PERF_HPP__SAMPLES);
223
224	if (symbol_conf.show_total_period)
225		perf_hpp__column_enable(PERF_HPP__PERIOD);
226}
227
228void perf_hpp__column_register(struct perf_hpp_fmt *format)
229{
230	list_add_tail(&format->list, &perf_hpp__list);
231}
232
233void perf_hpp__column_enable(unsigned col)
234{
235	BUG_ON(col >= PERF_HPP__MAX_INDEX);
236	perf_hpp__column_register(&perf_hpp__format[col]);
237}
238
239int 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}
257
258/*
259 * See hists__fprintf to match the column widths
260 */
261unsigned int hists__sort_list_width(struct hists *hists)
262{
263	struct perf_hpp_fmt *fmt;
264	struct sort_entry *se;
265	int i = 0, ret = 0;
266	struct perf_hpp dummy_hpp = {
267		.ptr	= hists_to_evsel(hists),
268	};
269
270	perf_hpp__for_each_format(fmt) {
271		if (i)
272			ret += 2;
273
274		ret += fmt->width(fmt, &dummy_hpp);
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}
286