diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 88600158400..07d4cf8d3fd 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -499,7 +499,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) * (apart from group members) have enable_on_exec=1 set, * so don't spoil it by prematurely enabling them. */ - if (!target__none(&opts->target)) + if (!target__none(&opts->target) && !opts->initial_delay) perf_evlist__enable(rec->evlist); /* @@ -508,6 +508,11 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (forks) perf_evlist__start_workload(rec->evlist); + if (opts->initial_delay) { + usleep(opts->initial_delay * 1000); + perf_evlist__enable(rec->evlist); + } + for (;;) { int hits = rec->samples; @@ -877,6 +882,8 @@ const struct option record_options[] = { OPT_CALLBACK('G', "cgroup", &record.evlist, "name", "monitor event in cgroup name only", parse_cgroups), + OPT_UINTEGER(0, "initial-delay", &record.opts.initial_delay, + "ms to wait before starting measurement after program start"), OPT_STRING('u', "uid", &record.opts.target.uid_str, "user", "user to profile"), |