SF: add vsync id to onMessageReceived trace
Test: capture a systrace
Bug: 170914689
Change-Id: I4e59478caedb9f47e276c59fbab3e7cede9c7369
diff --git a/services/surfaceflinger/TraceUtils.h b/services/surfaceflinger/TraceUtils.h
new file mode 100644
index 0000000..90a34a5
--- /dev/null
+++ b/services/surfaceflinger/TraceUtils.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// TODO(b/183120308): This file is a copy of f/b/libs/hwui/utils/TraceUtils.h
+// It should be migrated to a common place where both SF and hwui could use it.
+
+#pragma once
+
+#include <cutils/trace.h>
+#include <utils/Trace.h>
+
+#define ATRACE_FORMAT(fmt, ...) \
+ TraceUtils::TraceEnder __traceEnder = \
+ (TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), TraceUtils::TraceEnder())
+
+#define ATRACE_FORMAT_BEGIN(fmt, ...) TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__)
+
+namespace android {
+
+class TraceUtils {
+public:
+ class TraceEnder {
+ public:
+ ~TraceEnder() { ATRACE_END(); }
+ };
+
+ static void atraceFormatBegin(const char* fmt, ...) {
+ if (CC_LIKELY(!ATRACE_ENABLED())) return;
+
+ const int BUFFER_SIZE = 256;
+ va_list ap;
+ char buf[BUFFER_SIZE];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, BUFFER_SIZE, fmt, ap);
+ va_end(ap);
+
+ ATRACE_BEGIN(buf);
+ }
+
+}; // class TraceUtils
+
+} /* namespace android */