Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/urgent

Conflicts:
	tools/perf/builtin-top.c

Semantic conflict:
	util/include/linux/list.h        # fix prefetch.h removal fallout

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 16 insertions, 0 deletions

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 1023f67633a..17c1c3c875c 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -35,6 +35,22 @@ const char *perf_event__name(unsigned int id)
         return perf_event__names[id];
 }
 
+int perf_sample_size(u64 sample_type)
+{
+        u64 mask = sample_type & PERF_SAMPLE_MASK;
+        int size = 0;
+        int i;
+
+        for (i = 0; i < 64; i++) {
+                if ((mask << i) & 1)
+                        size++;
+        }
+
+        size *= sizeof(u64);
+
+        return size;
+}
+
 static struct perf_sample synth_sample = {
         .pid       = -1,
         .tid       = -1,