summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/session.c
diff options
context:
space:
mode:
authorFrederic Weisbecker <fweisbec@gmail.com>2011-05-21 19:33:04 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2011-05-22 03:38:36 +0200
commita285412479b6d5af3e48273a92ec2f1987df8cd1 (patch)
tree29f68684cebb26b86c3dd0b0f0fc4e5d6553c989 /tools/perf/util/session.c
parent74429964d8e29c0107fa6e9cdf35b8f33f57405d (diff)
perf tools: Pre-check sample size before parsing
Check that the total size of the sample fields having a fixed size do not exceed the one of the whole event. This robustifies the sample parsing. 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>
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r--tools/perf/util/session.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index db652068c39..8940fd871ea 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -97,6 +97,7 @@ out:
void perf_session__update_sample_type(struct perf_session *self)
{
self->sample_type = perf_evlist__sample_type(self->evlist);
+ self->sample_size = perf_sample_size(self->sample_type);
self->sample_id_all = perf_evlist__sample_id_all(self->evlist);
perf_session__id_header_size(self);
}