perf: Fix header.size for namespace events (742015ff) · Commits · 戴 / test

Reset header size for namespace events, otherwise it only gets bigger in ctx iterations. Signed-off-by:

kernel/events/core.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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,