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authorJiri Olsa <jolsa@kernel.org>2017-08-09 18:14:06 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-11-28 14:27:05 -0300
commit34900ec5c9577cc1b0f22887ac7349f458ba8ac2 (patch)
tree487abae1dd2bca479a2c4792f6dda98c4941f751 /kernel/events
parentdf7ccfa21ef343c602ae4aa1eb7893da4408b219 (diff)
perf: Fix header.size for namespace events
Reset header size for namespace events, otherwise it only gets bigger in ctx iterations. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Fixes: e422267322cd ("perf: Add PERF_RECORD_NAMESPACES to include namespaces related info") Link: http://lkml.kernel.org/n/tip-nlo4gonz9d4guyb8153ukzt0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 4c39c05e029a..799bb352d99f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6640,6 +6640,7 @@ static void perf_event_namespaces_output(struct perf_event *event,
struct perf_namespaces_event *namespaces_event = data;
struct perf_output_handle handle;
struct perf_sample_data sample;
+ u16 header_size = namespaces_event->event_id.header.size;
int ret;
if (!perf_event_namespaces_match(event))
@@ -6650,7 +6651,7 @@ static void perf_event_namespaces_output(struct perf_event *event,
ret = perf_output_begin(&handle, event,
namespaces_event->event_id.header.size);
if (ret)
- return;
+ goto out;
namespaces_event->event_id.pid = perf_event_pid(event,
namespaces_event->task);
@@ -6662,6 +6663,8 @@ static void perf_event_namespaces_output(struct perf_event *event,
perf_event__output_id_sample(event, &handle, &sample);
perf_output_end(&handle);
+out:
+ namespaces_event->event_id.header.size = header_size;
}
static void perf_fill_ns_link_info(struct perf_ns_link_info *ns_link_info,