1 files changed, 45 insertions, 0 deletions
diff --git a/base/test/perftimer.cc b/base/test/perftimer.cc
new file mode 100644
index 0000000..6815f0b
--- /dev/null
+++ b/base/test/perftimer.cc
@@ -0,0 +1,45 @@
+// Copyright 2013 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.
+
+#include "base/test/perftimer.h"
+
+#include <stdio.h>
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/file_util.h"
+#include "base/files/file_path.h"
+#include "base/logging.h"
+
+static FILE* perf_log_file = NULL;
+
+bool InitPerfLog(const base::FilePath& log_file) {
+  if (perf_log_file) {
+    // trying to initialize twice
+    NOTREACHED();
+    return false;
+  }
+
+  perf_log_file = file_util::OpenFile(log_file, "w");
+  return perf_log_file != NULL;
+}
+
+void FinalizePerfLog() {
+  if (!perf_log_file) {
+    // trying to cleanup without initializing
+    NOTREACHED();
+    return;
+  }
+  file_util::CloseFile(perf_log_file);
+}
+
+void LogPerfResult(const char* test_name, double value, const char* units) {
+  if (!perf_log_file) {
+    NOTREACHED();
+    return;
+  }
+
+  fprintf(perf_log_file, "%s\t%g\t%s\n", test_name, value, units);
+  printf("%s\t%g\t%s\n", test_name, value, units);
+}