Add more systracing everywhere

Added to:
JIT
DexFile functions
Oat file manager

Added helper ScopedTrace to prevent errors and reduce excess code.

Bug: 27502458

Change-Id: Ifaeff8913d79eefc797380987d13cc00456266f8

1 files changed, 42 insertions, 0 deletions

diff --git a/runtime/base/systrace.h b/runtime/base/systrace.h
new file mode 100644
index 0000000000..3901f96b45
--- /dev/null
+++ b/runtime/base/systrace.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef ART_RUNTIME_BASE_SYSTRACE_H_
+#define ART_RUNTIME_BASE_SYSTRACE_H_
+
+#define ATRACE_TAG ATRACE_TAG_DALVIK
+#include <cutils/trace.h>
+#include <string>
+#include <utils/Trace.h>
+
+namespace art {
+
+class ScopedTrace {
+ public:
+  explicit ScopedTrace(const char* name) {
+    ATRACE_BEGIN(name);
+  }
+
+  explicit ScopedTrace(const std::string& name) : ScopedTrace(name.c_str()) {}
+
+  ~ScopedTrace() {
+    ATRACE_END();
+  }
+};
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_BASE_SYSTRACE_H_