diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-11-19 14:55:55 -0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-19 18:47:17 +0100 |
| commit | 4dc0a04bb18fe9b80cefa08694f46a3a19ebfe50 (patch) | |
| tree | 6d3ff5b79e71985ef4691df2d47202a4f6c3bd53 /tools/perf/builtin-record.c | |
| parent | 2446042c93bfc6eeebfc89e88fdef2435d2bb5c4 (diff) | |
| download | lwn-4dc0a04bb18fe9b80cefa08694f46a3a19ebfe50.tar.gz lwn-4dc0a04bb18fe9b80cefa08694f46a3a19ebfe50.zip | |
perf tools: perf_header__read() shouldn't die()
And also don't call the constructor in it, this way it adheres
to the model the other methods follow.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1258649757-17554-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 82260c56db3d..c97cb2ca8fa4 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -400,7 +400,7 @@ static int __cmd_record(int argc, const char **argv) struct stat st; pid_t pid = 0; int flags; - int ret; + int err; unsigned long waking = 0; page_size = sysconf(_SC_PAGE_SIZE); @@ -434,16 +434,18 @@ static int __cmd_record(int argc, const char **argv) exit(-1); } - if (!file_new) - header = perf_header__read(output); - else - header = perf_header__new(); - + header = perf_header__new(); if (header == NULL) { pr_err("Not enough memory for reading perf file header\n"); return -1; } + if (!file_new) { + err = perf_header__read(header, output); + if (err < 0) + return err; + } + if (raw_samples) { perf_header__set_feat(header, HEADER_TRACE_INFO); } else { @@ -527,7 +529,7 @@ static int __cmd_record(int argc, const char **argv) if (hits == samples) { if (done) break; - ret = poll(event_array, nr_poll, -1); + err = poll(event_array, nr_poll, -1); waking++; } |