From: Namhyung Kim <namhyung....@lge.com> In case a caller doesn't want to receive SIGUSR1 when the child failed to exec().
Signed-off-by: Namhyung Kim <namhy...@kernel.org> Cc: David Ahern <dsah...@gmail.com> Cc: Ingo Molnar <mi...@kernel.org> Cc: Jiri Olsa <jo...@redhat.com> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <a.p.zijls...@chello.nl> Link: http://lkml.kernel.org/r/1362987798-24969-6-git-send-email-namhy...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-record.c | 3 ++- tools/perf/builtin-trace.c | 2 +- tools/perf/tests/perf-record.c | 3 ++- tools/perf/util/evlist.c | 6 ++++-- tools/perf/util/evlist.h | 3 ++- 5 files changed, 11 insertions(+), 6 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 2a43c44..80cc3ea 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -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; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 3d9944c..f0c20ef 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -462,7 +462,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (forks) { err = perf_evlist__prepare_workload(evlist, &trace->opts.target, - argv, false); + argv, false, false); if (err < 0) { printf("Couldn't run the workload!\n"); goto out_delete_evlist; diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index a1c41b7..ffab5a4 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -93,7 +93,8 @@ int test__PERF_RECORD(void) * so that we have time to open the evlist (calling sys_perf_event_open * on all the fds) and then mmap them. */ - err = perf_evlist__prepare_workload(evlist, &opts.target, argv, false); + err = perf_evlist__prepare_workload(evlist, &opts.target, argv, + false, false); if (err < 0) { pr_debug("Couldn't run the workload!\n"); goto out_delete_maps; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 9a337f0..5b012b8 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 276a5ac..c096da7 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, -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
