perf trace: Free evlist resources properly on return path
The trace_run() function calls several evlist functions but misses some
pair-wise cleanup routines on return path. Fix it.
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/1363326533-3310-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 49fedb5..ab3ed4a 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -452,7 +452,7 @@
err = trace__symbols_init(trace, evlist);
if (err < 0) {
printf("Problems initializing symbol libraries!\n");
- goto out_delete_evlist;
+ goto out_delete_maps;
}
perf_evlist__config(evlist, &trace->opts);
@@ -465,20 +465,20 @@
argv, false, false);
if (err < 0) {
printf("Couldn't run the workload!\n");
- goto out_delete_evlist;
+ goto out_delete_maps;
}
}
err = perf_evlist__open(evlist);
if (err < 0) {
printf("Couldn't create the events: %s\n", strerror(errno));
- goto out_delete_evlist;
+ goto out_delete_maps;
}
err = perf_evlist__mmap(evlist, UINT_MAX, false);
if (err < 0) {
printf("Couldn't mmap the events: %s\n", strerror(errno));
- goto out_delete_evlist;
+ goto out_close_evlist;
}
perf_evlist__enable(evlist);
@@ -534,7 +534,7 @@
if (trace->nr_events == before) {
if (done)
- goto out_delete_evlist;
+ goto out_unmap_evlist;
poll(evlist->pollfd, evlist->nr_fds, -1);
}
@@ -544,6 +544,12 @@
goto again;
+out_unmap_evlist:
+ perf_evlist__munmap(evlist);
+out_close_evlist:
+ perf_evlist__close(evlist);
+out_delete_maps:
+ perf_evlist__delete_maps(evlist);
out_delete_evlist:
perf_evlist__delete(evlist);
out: