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perf evlist: Add want_signal parameter to perf_evlist__prepare_workload()

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In case a caller doesn't want to receive SIGUSR1 when the child failed
to exec().

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1362987798-24969-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2013-03-11 16:43:17 +09:00
committed by Arnaldo Carvalho de Melo
parent 119fa3c922
commit 55e162ea76
5 changed files with 11 additions and 6 deletions
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3
tools/perf/builtin-record.c
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@@ -475,7 +475,8 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
if (forks) {
err = perf_evlist__prepare_workload(evsel_list, &opts->target,
argv, opts->pipe_output);
argv, opts->pipe_output,
true);
if (err < 0) {
pr_err("Couldn't run the workload!\n");
goto out_delete_session;