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perf trace: Free evlist resources properly on return path

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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>
This commit is contained in:
Namhyung Kim 2013-03-15 14:48:50 +09:00 committed by Arnaldo Carvalho de Melo
parent a74b4b66cc
commit 3beb086143
1 changed files with 11 additions and 5 deletions
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16
tools/perf/builtin-trace.c
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@ -452,7 +452,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
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 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
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 @@ again:
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 @@ again:
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: