1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_PERFORMANCE_SYNC_TIMING_HELPER_H_ 6 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_PERFORMANCE_SYNC_TIMING_HELPER_H_ 7 8 #include "base/basictypes.h" 9 10 #include <string> 11 #include <vector> 12 13 namespace base { 14 class TimeDelta; 15 } 16 17 class ProfileSyncServiceHarness; 18 19 class SyncTimingHelper { 20 public: 21 SyncTimingHelper(); 22 ~SyncTimingHelper(); 23 24 // Returns the time taken for |client| to complete a single sync cycle. 25 static base::TimeDelta TimeSyncCycle(ProfileSyncServiceHarness* client); 26 27 // Returns the time taken for both |client| and |partner| to complete a sync 28 // cycle. 29 static base::TimeDelta TimeMutualSyncCycle( 30 ProfileSyncServiceHarness* client, ProfileSyncServiceHarness* partner); 31 32 // Returns the time taken for all clients in |clients| to complete their 33 // respective sync cycles. 34 static base::TimeDelta TimeUntilQuiescence( 35 std::vector<ProfileSyncServiceHarness*>& clients); 36 37 // Print a timing measurement in a format appropriate for the chromium perf 38 // dashboard. Simplified version of methods defined in 39 // chrome/test/ui/ui_perf_test.{h,cc}. 40 static void PrintResult(const std::string& measurement, 41 const std::string& trace, 42 const base::TimeDelta& dt); 43 44 private: 45 DISALLOW_COPY_AND_ASSIGN(SyncTimingHelper); 46 }; 47 48 #endif // CHROME_BROWSER_SYNC_TEST_INTEGRATION_PERFORMANCE_SYNC_TIMING_HELPER_H_ 49