evsel.c (c4de673b775e4db48cd2db6277e0c6714332ca0c) evsel.c (553873e1df63a20559ac9c336765dc7055cfc3d4)
1/*
2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
3 *
4 * Parts came from builtin-{top,stat,record}.c, see those files for further
5 * copyright notes.
6 *
7 * Released under the GPL v2. (and only v2, not any later version)
8 */
9
10#include <byteswap.h>
11#include <linux/bitops.h>
1/*
2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
3 *
4 * Parts came from builtin-{top,stat,record}.c, see those files for further
5 * copyright notes.
6 *
7 * Released under the GPL v2. (and only v2, not any later version)
8 */
9
10#include <byteswap.h>
11#include <linux/bitops.h>
12#include <lk/debugfs.h>
12#include <api/fs/debugfs.h>
13#include <traceevent/event-parse.h>
14#include <linux/hw_breakpoint.h>
15#include <linux/perf_event.h>
16#include <sys/resource.h>
17#include "asm/bug.h"
18#include "evsel.h"
19#include "evlist.h"
20#include "util.h"
21#include "cpumap.h"
22#include "thread_map.h"
23#include "target.h"
24#include "perf_regs.h"
25#include "debug.h"
13#include <traceevent/event-parse.h>
14#include <linux/hw_breakpoint.h>
15#include <linux/perf_event.h>
16#include <sys/resource.h>
17#include "asm/bug.h"
18#include "evsel.h"
19#include "evlist.h"
20#include "util.h"
21#include "cpumap.h"
22#include "thread_map.h"
23#include "target.h"
24#include "perf_regs.h"
25#include "debug.h"
26#include "trace-event.h"
26
27static struct {
28 bool sample_id_all;
29 bool exclude_guest;
30 bool mmap2;
31} perf_missing_features;
32
33#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))

--- 123 unchanged lines hidden (view full) ---

157}
158
159void perf_evsel__init(struct perf_evsel *evsel,
160 struct perf_event_attr *attr, int idx)
161{
162 evsel->idx = idx;
163 evsel->attr = *attr;
164 evsel->leader = evsel;
27
28static struct {
29 bool sample_id_all;
30 bool exclude_guest;
31 bool mmap2;
32} perf_missing_features;
33
34#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))

--- 123 unchanged lines hidden (view full) ---

158}
159
160void perf_evsel__init(struct perf_evsel *evsel,
161 struct perf_event_attr *attr, int idx)
162{
163 evsel->idx = idx;
164 evsel->attr = *attr;
165 evsel->leader = evsel;
166 evsel->unit = "";
167 evsel->scale = 1.0;
165 INIT_LIST_HEAD(&evsel->node);
166 hists__init(&evsel->hists);
167 evsel->sample_size = __perf_evsel__sample_size(attr->sample_type);
168 perf_evsel__calc_id_pos(evsel);
169}
170
171struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
172{
173 struct perf_evsel *evsel = zalloc(sizeof(*evsel));
174
175 if (evsel != NULL)
176 perf_evsel__init(evsel, attr, idx);
177
178 return evsel;
179}
180
168 INIT_LIST_HEAD(&evsel->node);
169 hists__init(&evsel->hists);
170 evsel->sample_size = __perf_evsel__sample_size(attr->sample_type);
171 perf_evsel__calc_id_pos(evsel);
172}
173
174struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
175{
176 struct perf_evsel *evsel = zalloc(sizeof(*evsel));
177
178 if (evsel != NULL)
179 perf_evsel__init(evsel, attr, idx);
180
181 return evsel;
182}
183
181struct event_format *event_format__new(const char *sys, const char *name)
182{
183 int fd, n;
184 char *filename;
185 void *bf = NULL, *nbf;
186 size_t size = 0, alloc_size = 0;
187 struct event_format *format = NULL;
188
189 if (asprintf(&filename, "%s/%s/%s/format", tracing_events_path, sys, name) < 0)
190 goto out;
191
192 fd = open(filename, O_RDONLY);
193 if (fd < 0)
194 goto out_free_filename;
195
196 do {
197 if (size == alloc_size) {
198 alloc_size += BUFSIZ;
199 nbf = realloc(bf, alloc_size);
200 if (nbf == NULL)
201 goto out_free_bf;
202 bf = nbf;
203 }
204
205 n = read(fd, bf + size, alloc_size - size);
206 if (n < 0)
207 goto out_free_bf;
208 size += n;
209 } while (n > 0);
210
211 pevent_parse_format(&format, bf, size, sys);
212
213out_free_bf:
214 free(bf);
215 close(fd);
216out_free_filename:
217 free(filename);
218out:
219 return format;
220}
221
222struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx)
223{
224 struct perf_evsel *evsel = zalloc(sizeof(*evsel));
225
226 if (evsel != NULL) {
227 struct perf_event_attr attr = {
228 .type = PERF_TYPE_TRACEPOINT,
229 .sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
230 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
231 };
232
233 if (asprintf(&evsel->name, "%s:%s", sys, name) < 0)
234 goto out_free;
235
184struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx)
185{
186 struct perf_evsel *evsel = zalloc(sizeof(*evsel));
187
188 if (evsel != NULL) {
189 struct perf_event_attr attr = {
190 .type = PERF_TYPE_TRACEPOINT,
191 .sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
192 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
193 };
194
195 if (asprintf(&evsel->name, "%s:%s", sys, name) < 0)
196 goto out_free;
197
236 evsel->tp_format = event_format__new(sys, name);
198 evsel->tp_format = trace_event__tp_format(sys, name);
237 if (evsel->tp_format == NULL)
238 goto out_free;
239
240 event_attr_init(&attr);
241 attr.config = evsel->tp_format->id;
242 attr.sample_period = 1;
243 perf_evsel__init(evsel, &attr, idx);
244 }

--- 322 unchanged lines hidden (view full) ---

567 * initial traced exec call.
568 */
569void perf_evsel__config(struct perf_evsel *evsel,
570 struct perf_record_opts *opts)
571{
572 struct perf_evsel *leader = evsel->leader;
573 struct perf_event_attr *attr = &evsel->attr;
574 int track = !evsel->idx; /* only the first counter needs these */
199 if (evsel->tp_format == NULL)
200 goto out_free;
201
202 event_attr_init(&attr);
203 attr.config = evsel->tp_format->id;
204 attr.sample_period = 1;
205 perf_evsel__init(evsel, &attr, idx);
206 }

--- 322 unchanged lines hidden (view full) ---

529 * initial traced exec call.
530 */
531void perf_evsel__config(struct perf_evsel *evsel,
532 struct perf_record_opts *opts)
533{
534 struct perf_evsel *leader = evsel->leader;
535 struct perf_event_attr *attr = &evsel->attr;
536 int track = !evsel->idx; /* only the first counter needs these */
537 bool per_cpu = opts->target.default_per_cpu && !opts->target.per_thread;
575
576 attr->sample_id_all = perf_missing_features.sample_id_all ? 0 : 1;
577 attr->inherit = !opts->no_inherit;
578
579 perf_evsel__set_sample_bit(evsel, IP);
580 perf_evsel__set_sample_bit(evsel, TID);
581
582 if (evsel->sample_read) {

--- 57 unchanged lines hidden (view full) ---

640 perf_evsel__set_sample_bit(evsel, REGS_USER);
641 perf_evsel__set_sample_bit(evsel, STACK_USER);
642 attr->sample_regs_user = PERF_REGS_MASK;
643 attr->sample_stack_user = opts->stack_dump_size;
644 attr->exclude_callchain_user = 1;
645 }
646 }
647
538
539 attr->sample_id_all = perf_missing_features.sample_id_all ? 0 : 1;
540 attr->inherit = !opts->no_inherit;
541
542 perf_evsel__set_sample_bit(evsel, IP);
543 perf_evsel__set_sample_bit(evsel, TID);
544
545 if (evsel->sample_read) {

--- 57 unchanged lines hidden (view full) ---

603 perf_evsel__set_sample_bit(evsel, REGS_USER);
604 perf_evsel__set_sample_bit(evsel, STACK_USER);
605 attr->sample_regs_user = PERF_REGS_MASK;
606 attr->sample_stack_user = opts->stack_dump_size;
607 attr->exclude_callchain_user = 1;
608 }
609 }
610
648 if (target__has_cpu(&opts->target) || opts->target.force_per_cpu)
611 if (target__has_cpu(&opts->target))
649 perf_evsel__set_sample_bit(evsel, CPU);
650
651 if (opts->period)
652 perf_evsel__set_sample_bit(evsel, PERIOD);
653
654 if (!perf_missing_features.sample_id_all &&
655 (opts->sample_time || !opts->no_inherit ||
612 perf_evsel__set_sample_bit(evsel, CPU);
613
614 if (opts->period)
615 perf_evsel__set_sample_bit(evsel, PERIOD);
616
617 if (!perf_missing_features.sample_id_all &&
618 (opts->sample_time || !opts->no_inherit ||
656 target__has_cpu(&opts->target) || opts->target.force_per_cpu))
619 target__has_cpu(&opts->target) || per_cpu))
657 perf_evsel__set_sample_bit(evsel, TIME);
658
659 if (opts->raw_samples) {
660 perf_evsel__set_sample_bit(evsel, TIME);
661 perf_evsel__set_sample_bit(evsel, RAW);
662 perf_evsel__set_sample_bit(evsel, CPU);
663 }
664

--- 1391 unchanged lines hidden --- 		620 perf_evsel__set_sample_bit(evsel, TIME);
621
622 if (opts->raw_samples) {
623 perf_evsel__set_sample_bit(evsel, TIME);
624 perf_evsel__set_sample_bit(evsel, RAW);
625 perf_evsel__set_sample_bit(evsel, CPU);
626 }
627

--- 1391 unchanged lines hidden ---