From b902453b40ef5ab0c200680a773923e8bfa99617 Mon Sep 17 00:00:00 2001
From: Chris Craik <ccraik@google.com>
Date: Tue, 9 Jun 2015 17:27:15 -0700
Subject: Add native tracing API

bug:21195272

Change-Id: I520de9fee7fc40d0570d6bef450d756ce42a1462
---
 native/android/Android.mk |  1 +
 native/android/trace.cpp  | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 native/android/trace.cpp

(limited to 'native')

diff --git a/native/android/Android.mk b/native/android/Android.mk
index 12fdf71..1742bee 100644
--- a/native/android/Android.mk
+++ b/native/android/Android.mk
@@ -16,6 +16,7 @@ LOCAL_SRC_FILES:= \
     obb.cpp \
     sensor.cpp \
     storage_manager.cpp \
+    trace.cpp \
 
 LOCAL_SHARED_LIBRARIES := \
     liblog \
diff --git a/native/android/trace.cpp b/native/android/trace.cpp
new file mode 100644
index 0000000..db52220
--- /dev/null
+++ b/native/android/trace.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <android/trace.h>
+#include <cutils/trace.h>
+
+bool ATrace_isEnabled() {
+    return atrace_is_tag_enabled(ATRACE_TAG_APP);
+}
+
+void ATrace_beginSection(const char* sectionName) {
+    atrace_begin(ATRACE_TAG_APP, sectionName);
+}
+
+void ATrace_endSection() {
+    atrace_end(ATRACE_TAG_APP);
+}
-- 
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