chrome/browser/sync/test/integration/performance/sync_timing_helper.h

   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_