[PATCH 1/2] perf tools: Fix sample size bit operations

[Frederic Weisbecker <fweisbec@gmail.com>]

What we want is to count the number of bits in the mask,
not some other random operation written in the middle
of the night.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
---
 tools/perf/util/event.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 17c1c3c..d3fa7e4 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -42,7 +42,7 @@ int perf_sample_size(u64 sample_type)
 	int i;
 
 	for (i = 0; i < 64; i++) {
-		if ((mask << i) & 1)
+		if (mask & (1 << i))
 			size++;
 	}
 
-- 
1.7.3.2