perf evlist: Add want_signal parameter to perf_evlist__prepare_workload()
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>
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 276a5ac..c096da7 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -87,7 +87,8 @@
int perf_evlist__prepare_workload(struct perf_evlist *evlist,
struct perf_target *target,
- const char *argv[], bool pipe_output);
+ const char *argv[], bool pipe_output,
+ bool want_signal);
int perf_evlist__start_workload(struct perf_evlist *evlist);
int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,