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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-02-17 15:18:42 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-02-17 16:58:32 +0100 |
| commit | 712a4b6049724278121d56aba683151d86c8c35a (patch) | |
| tree | 4a932fa1d98c83aea123a13ce2d49e5f6627c610 /tools | |
| parent | perf hists: Print number of samples, not the period sum (diff) | |
| download | linux-712a4b6049724278121d56aba683151d86c8c35a.tar.xz linux-712a4b6049724278121d56aba683151d86c8c35a.zip | |
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.c | 10 |
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) |