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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-06-11 23:11:50 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-12 14:28:52 +0200
commitbbd36e5e6aa6f1757c84cdb406b6eb81686d14af (patch)
treeeeb2ea1ec358c8484277078315ef8c211e7c1397 /tools
parent081fad86178ec0f64f32f1bd04cf4aad22714fb9 (diff)
downloadlinux-bbd36e5e6aa6f1757c84cdb406b6eb81686d14af.tar.gz
perf record: Explicity program a default counter
Up until now record has worked on the assumption that type=0, config=0 was a suitable configuration - which it is. Lets make this a little more explicit and more readable via the use of proper symbols. [ Impact: cleanup ] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-record.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 29259e74dcf..0f5771f615d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -568,8 +568,11 @@ int cmd_record(int argc, const char **argv, const char *prefix)
if (!argc && target_pid == -1 && !system_wide)
usage_with_options(record_usage, options);
- if (!nr_counters)
- nr_counters = 1;
+ if (!nr_counters) {
+ nr_counters = 1;
+ attrs[0].type = PERF_TYPE_HARDWARE;
+ attrs[0].config = PERF_COUNT_HW_CPU_CYCLES;
+ }
for (counter = 0; counter < nr_counters; counter++) {
if (attrs[counter].sample_period)