1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
// SPDX-License-Identifier: GPL-2.0
#include <inttypes.h>
#include <stdio.h>
#include <stdbool.h>
#include <traceevent/event-parse.h>
#include "evsel.h"
#include "util/evsel_fprintf.h"
#include "util/event.h"
#include "callchain.h"
#include "map.h"
#include "strlist.h"
#include "symbol.h"
#include "srcline.h"
static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
{
va_list args;
int ret = 0;
if (!*first) {
ret += fprintf(fp, ",");
} else {
ret += fprintf(fp, ":");
*first = false;
}
va_start(args, fmt);
ret += vfprintf(fp, fmt, args);
va_end(args);
return ret;
}
static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv)
{
return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val);
}
int perf_evsel__fprintf(struct evsel *evsel,
struct perf_attr_details *details, FILE *fp)
{
bool first = true;
int printed = 0;
if (details->event_group) {
struct evsel *pos;
if (!perf_evsel__is_group_leader(evsel))
return 0;
if (evsel->core.nr_members > 1)
printed += fprintf(fp, "%s{", evsel->group_name ?: "");
printed += fprintf(fp, "%s", perf_evsel__name(evsel));
for_each_group_member(pos, evsel)
printed += fprintf(fp, ",%s", perf_evsel__name(pos));
if (evsel->core.nr_members > 1)
printed += fprintf(fp, "}");
goto out;
}
printed += fprintf(fp, "%s", perf_evsel__name(evsel));
if (details->verbose) {
printed += perf_event_attr__fprintf(fp, &evsel->core.attr,
__print_attr__fprintf, &first);
} else if (details->freq) {
const char *term = "sample_freq";
if (!evsel->core.attr.freq)
term = "sample_period";
printed += comma_fprintf(fp, &first, " %s=%" PRIu64,
term, (u64)evsel->core.attr.sample_freq);
}
if (details->trace_fields) {
struct tep_format_field *field;
if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
printed += comma_fprintf(fp, &first, " (not a tracepoint)");
goto out;
}
field = evsel->tp_format->format.fields;
if (field == NULL) {
printed += comma_fprintf(fp, &first, " (no trace field)");
goto out;
}
printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name);
field = field->next;
while (field) {
printed += comma_fprintf(fp, &first, "%s", field->name);
field = field->next;
}
}
out:
fputc('\n', fp);
return ++printed;
}
int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
unsigned int print_opts, struct callchain_cursor *cursor,
struct strlist *bt_stop_list, FILE *fp)
{
int printed = 0;
struct callchain_cursor_node *node;
int print_ip = print_opts & EVSEL__PRINT_IP;
int print_sym = print_opts & EVSEL__PRINT_SYM;
int print_dso = print_opts & EVSEL__PRINT_DSO;
int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
int print_oneline = print_opts & EVSEL__PRINT_ONELINE;
int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW;
int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
char s = print_oneline ? ' ' : '\t';
bool first = true;
if (sample->callchain) {
struct addr_location node_al;
callchain_cursor_commit(cursor);
while (1) {
struct symbol *sym;
struct map *map;
u64 addr = 0;
node = callchain_cursor_current(cursor);
if (!node)
break;
sym = node->ms.sym;
map = node->ms.map;
if (sym && sym->ignore && print_skip_ignored)
goto next;
printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
if (print_arrow && !first)
printed += fprintf(fp, " <-");
if (print_ip)
printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
if (map)
addr = map->map_ip(map, node->ip);
if (print_sym) {
printed += fprintf(fp, " ");
node_al.addr = addr;
node_al.map = map;
if (print_symoffset) {
printed += __symbol__fprintf_symname_offs(sym, &node_al,
print_unknown_as_addr,
true, fp);
} else {
printed += __symbol__fprintf_symname(sym, &node_al,
print_unknown_as_addr, fp);
}
}
if (print_dso && (!sym || !sym->inlined)) {
printed += fprintf(fp, " (");
printed += map__fprintf_dsoname(map, fp);
printed += fprintf(fp, ")");
}
if (print_srcline)
printed += map__fprintf_srcline(map, addr, "\n ", fp);
if (sym && sym->inlined)
printed += fprintf(fp, " (inlined)");
if (!print_oneline)
printed += fprintf(fp, "\n");
/* Add srccode here too? */
if (bt_stop_list && sym &&
strlist__has_entry(bt_stop_list, sym->name)) {
break;
}
first = false;
next:
callchain_cursor_advance(cursor);
}
}
return printed;
}
int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
int left_alignment, unsigned int print_opts,
struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp)
{
int printed = 0;
int print_ip = print_opts & EVSEL__PRINT_IP;
int print_sym = print_opts & EVSEL__PRINT_SYM;
int print_dso = print_opts & EVSEL__PRINT_DSO;
int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
if (cursor != NULL) {
printed += sample__fprintf_callchain(sample, left_alignment, print_opts,
cursor, bt_stop_list, fp);
} else {
printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
if (print_ip)
printed += fprintf(fp, "%16" PRIx64, sample->ip);
if (print_sym) {
printed += fprintf(fp, " ");
if (print_symoffset) {
printed += __symbol__fprintf_symname_offs(al->sym, al,
print_unknown_as_addr,
true, fp);
} else {
printed += __symbol__fprintf_symname(al->sym, al,
print_unknown_as_addr, fp);
}
}
if (print_dso) {
printed += fprintf(fp, " (");
printed += map__fprintf_dsoname(al->map, fp);
printed += fprintf(fp, ")");
}
if (print_srcline)
printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
}
return printed;
}
|
