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authorNamhyung Kim <namhyung.kim@lge.com>2013-03-11 16:43:17 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-03-15 13:06:03 -0300
commit55e162ea764cb5b38f27ea0b16ee7d31c1a5aedb (patch)
treedf235ecf6b0fdde18bf6bc7f1088404073ba2e93 /tools/perf/util
parent119fa3c922ff53a334507e198b2e3c66e99f54dc (diff)
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>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/evlist.c6
-rw-r--r--tools/perf/util/evlist.h3
2 files changed, 6 insertions, 3 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 9a337f091b2..5b012b8d7a1 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -746,7 +746,8 @@ out_err:
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 child_ready_pipe[2], go_pipe[2];
char bf;
@@ -796,7 +797,8 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist,
execvp(argv[0], (char **)argv);
perror(argv[0]);
- kill(getppid(), SIGUSR1);
+ if (want_signal)
+ kill(getppid(), SIGUSR1);
exit(-1);
}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 276a5acc56e..c096da7d6d5 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -87,7 +87,8 @@ void perf_evlist__config(struct perf_evlist *evlist,
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,