Add API functions to control Quantify, as well as expose these

functions to javascript. 


Review URL: http://codereview.chromium.org/40255

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@11291 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 39 insertions, 0 deletions

diff --git a/base/profiler.h b/base/profiler.h
new file mode 100644
index 0000000..6882c02
--- /dev/null
+++ b/base/profiler.h
@@ -0,0 +1,39 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// An abstraction for functions used to control execution time profiling.
+// All methods are effectively no-ops unless this program is being run through
+// a supported tool (currently only Quantify, a companion tool to Purify)
+
+#ifndef BASE_PROFILER_H__
+#define BASE_PROFILER_H__
+
+#include "base/basictypes.h"
+
+namespace base {
+
+class Profiler {
+ public:
+  // Starts or resumes recording.
+  static void StartRecording();
+
+  // Stops recording until StartRecording is called or the program exits.
+  static void StopRecording();
+
+  // Throw away data collected so far. This can be useful to call before
+  // your first call to StartRecording, for instance to avoid counting any
+  // time in application startup.
+  static void ClearData();
+
+  // Sets the name of the current thread for display in the profiler's UI.
+  static void SetThreadName(const char *name);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(Profiler);
+};
+
+}  // namespace base
+
+#endif  // BASE_PROFILER_H__
+