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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-02-17 12:18:42 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-02-17 13:58:32 -0200
commit712a4b6049724278121d56aba683151d86c8c35a (patch)
tree4a932fa1d98c83aea123a13ce2d49e5f6627c610 /tools
parentfec9cbd15b9e99bab9bc50f1ed7e20a1087d7c6d (diff)
perf record: Delay setting the header writing atexit call
While testing the --filter option I noticed that we were writing lots of unneeded stuff to the perf.data header when the filter ioctl fails, so move the atexit(atexit_header) call to after we create the counters successfully. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-record.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index a4aaadcb4c8b..db4cd1e7b51a 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -538,11 +538,6 @@ static int __cmd_record(int argc, const char **argv)
if (have_tracepoints(&evsel_list->entries))
perf_header__set_feat(&session->header, HEADER_TRACE_INFO);
- /*
- * perf_session__delete(session) will be called at atexit_header()
- */
- atexit(atexit_header);
-
if (forks) {
child_pid = fork();
if (child_pid < 0) {
@@ -601,6 +596,11 @@ static int __cmd_record(int argc, const char **argv)
perf_session__set_sample_type(session, sample_type);
+ /*
+ * perf_session__delete(session) will be called at atexit_header()
+ */
+ atexit(atexit_header);
+
if (pipe_output) {
err = perf_header__write_pipe(output);
if (err < 0)