Call logging::InitLogging. The lack of this was causing some hangs (and poss...

base/perf_test_suite.h

+// Copyright (c) 2006-2008 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.
+
+#ifndef BASE_PERF_TEST_SUITE_H_
+#define BASE_PERF_TEST_SUITE_H_
+
+#include "base/command_line.h"
+#include "base/debug_util.h"
+#include "base/file_path.h"
+#include "base/perftimer.h"
+#include "base/process_util.h"
+#include "base/string_util.h"
+#include "base/test_suite.h"
+
+class PerfTestSuite : public TestSuite {
+ public:
+  PerfTestSuite(int argc, char** argv) : TestSuite(argc, argv) {
+  }
+
+  virtual void Initialize() {
+    // Initialize the perf timer log
+    FilePath log_path;
+    std::wstring log_file = CommandLine().GetSwitchValue(L"log-file");
+    if (log_file.empty()) {
+      FilePath exe;
+      PathService::Get(base::FILE_EXE, &exe);
+      log_path = exe.ReplaceExtension(FILE_PATH_LITERAL("log"));
+      log_path = log_path.InsertBeforeExtension(FILE_PATH_LITERAL("_perf"));
+    } else {
+      log_path = FilePath::FromWStringHack(log_file);
+    }
+    ASSERT_TRUE(InitPerfLog(log_path));
+
+    // Raise to high priority to have more precise measurements. Since we don't
+    // aim at 1% precision, it is not necessary to run at realtime level.
+    if (!DebugUtil::BeingDebugged())
+      base::RaiseProcessToHighPriority();
+
+    TestSuite::Initialize();
+  }
+
+  virtual void Shutdown() {
+    TestSuite::Shutdown();
+
+    FinalizePerfLog();
+  }
+};
+
+#endif  // BASE_PERF_TEST_SUITE_H_