summaryrefslogtreecommitdiff
path: root/tools/perf/builtin-record.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /tools/perf/builtin-record.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c34
1 files changed, 27 insertions, 7 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 20b56eb98..142eeb341 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -27,8 +27,10 @@
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/data.h"
+#include "util/perf_regs.h"
#include "util/auxtrace.h"
#include "util/parse-branch-options.h"
+#include "util/parse-regs-options.h"
#include <unistd.h>
#include <sched.h>
@@ -279,7 +281,7 @@ static int record__open(struct record *rec)
evlist__for_each(evlist, pos) {
try_again:
- if (perf_evsel__open(pos, evlist->cpus, evlist->threads) < 0) {
+ if (perf_evsel__open(pos, pos->cpus, pos->threads) < 0) {
if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) {
if (verbose)
ui__warning("%s\n", msg);
@@ -771,12 +773,14 @@ static void callchain_debug(void)
callchain_param.dump_size);
}
-int record_parse_callchain_opt(const struct option *opt __maybe_unused,
+int record_parse_callchain_opt(const struct option *opt,
const char *arg,
int unset)
{
int ret;
+ struct record_opts *record = (struct record_opts *)opt->value;
+ record->callgraph_set = true;
callchain_param.enabled = !unset;
/* --no-call-graph */
@@ -786,17 +790,20 @@ int record_parse_callchain_opt(const struct option *opt __maybe_unused,
return 0;
}
- ret = parse_callchain_record_opt(arg);
+ ret = parse_callchain_record_opt(arg, &callchain_param);
if (!ret)
callchain_debug();
return ret;
}
-int record_callchain_opt(const struct option *opt __maybe_unused,
+int record_callchain_opt(const struct option *opt,
const char *arg __maybe_unused,
int unset __maybe_unused)
{
+ struct record_opts *record = (struct record_opts *)opt->value;
+
+ record->callgraph_set = true;
callchain_param.enabled = true;
if (callchain_param.record_mode == CALLCHAIN_NONE)
@@ -1003,6 +1010,9 @@ struct option __record_options[] = {
parse_events_option),
OPT_CALLBACK(0, "filter", &record.evlist, "filter",
"event filter", parse_filter),
+ OPT_CALLBACK_NOOPT(0, "exclude-perf", &record.evlist,
+ NULL, "don't record events from perf itself",
+ exclude_perf),
OPT_STRING('p', "pid", &record.opts.target.pid, "pid",
"record events on existing process id"),
OPT_STRING('t', "tid", &record.opts.target.tid, "tid",
@@ -1041,7 +1051,9 @@ struct option __record_options[] = {
OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat,
"per thread counts"),
OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Record the sample addresses"),
- OPT_BOOLEAN('T', "timestamp", &record.opts.sample_time, "Record the sample timestamps"),
+ OPT_BOOLEAN_SET('T', "timestamp", &record.opts.sample_time,
+ &record.opts.sample_time_set,
+ "Record the sample timestamps"),
OPT_BOOLEAN('P', "period", &record.opts.period, "Record the sample period"),
OPT_BOOLEAN('n', "no-samples", &record.opts.no_samples,
"don't sample"),
@@ -1070,8 +1082,9 @@ struct option __record_options[] = {
"sample transaction flags (special events only)"),
OPT_BOOLEAN(0, "per-thread", &record.opts.target.per_thread,
"use per-thread mmaps"),
- OPT_BOOLEAN('I', "intr-regs", &record.opts.sample_intr_regs,
- "Sample machine registers on interrupt"),
+ OPT_CALLBACK_OPTARG('I', "intr-regs", &record.opts.sample_intr_regs, NULL, "any register",
+ "sample selected machine registers on interrupt,"
+ " use -I ? to list register names", parse_regs),
OPT_BOOLEAN(0, "running-time", &record.opts.running_time,
"Record running/enabled time of read (:S) events"),
OPT_CALLBACK('k', "clockid", &record.opts,
@@ -1081,6 +1094,8 @@ struct option __record_options[] = {
"opts", "AUX area tracing Snapshot Mode", ""),
OPT_UINTEGER(0, "proc-map-timeout", &record.opts.proc_map_timeout,
"per thread proc mmap processing timeout in ms"),
+ OPT_BOOLEAN(0, "switch-events", &record.opts.record_switch_events,
+ "Record context switch events"),
OPT_END()
};
@@ -1108,6 +1123,11 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
" system-wide mode\n");
usage_with_options(record_usage, record_options);
}
+ if (rec->opts.record_switch_events &&
+ !perf_can_record_switch_events()) {
+ ui__error("kernel does not support recording context switch events (--switch-events option)\n");
+ usage_with_options(record_usage, record_options);
+ }
if (!rec->itr) {
rec->itr = auxtrace_record__init(rec->evlist, &err);