perf_counter tools: Normalize data using per sample period data

When we use variable period sampling, add the period to the sample
data and use that to normalize the samples.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: 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>

1 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c10553c3460f..919f23ca4199 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -350,8 +350,9 @@ static void create_counter(int counter, int cpu, pid_t pid)
         struct perf_counter_attr *attr = attrs + counter;
         int track = 1;
 
-        attr->sample_type       = PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_PERIOD;
+        attr->sample_type       = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
         if (freq) {
+                attr->sample_type       |= PERF_SAMPLE_PERIOD;
                 attr->freq              = 1;
                 attr->sample_freq       = freq;
         }