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
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
53
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
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 (hpp_snprint_fn)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
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)
282 ret += 3 + BITS_PER_LONG / 4;
283
284 return ret;
285}
286
