Merge "Don't initialize atrace if it's already disabled." (2fc40a65) · Commits · e / os / android_system_core

libcutils/trace-dev.cpp

+6 −6

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@ static pthread_once_t atrace_once_control = PTHREAD_ONCE_INIT;
		void atrace_set_tracing_enabled(bool enabled)
		{
		atomic_store_explicit(&atrace_is_enabled, enabled, memory_order_release);
		atomic_store_explicit(&atrace_is_ready, false, memory_order_release);
		atrace_update_tags();
		}

		@@ -34,19 +35,18 @@ static void atrace_init_once()
		if (atrace_marker_fd == -1) {
		ALOGE("Error opening trace file: %s (%d)", strerror(errno), errno);
		atrace_enabled_tags = 0;
		goto done;
		return;
		}

		atrace_enabled_tags = atrace_get_property();

		done:
		atomic_store_explicit(&atrace_is_ready, true, memory_order_release);
		}

		void atrace_setup()
		{
		if (atomic_load_explicit(&atrace_is_enabled, memory_order_acquire)) {
		pthread_once(&atrace_once_control, atrace_init_once);
		}
		atomic_store_explicit(&atrace_is_ready, true, memory_order_release);
		}

		void atrace_begin_body(const char* name)
		{