layout/style/ServoTraversalStatistics.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_ServoTraversalStatistics_h
   8 #define mozilla_ServoTraversalStatistics_h
   9
  10 #include <inttypes.h>
  11
  12 namespace mozilla {
  13
  14 // Traversal statistics for Servo traversal.
  15 //
  16 // See style::context::PerThreadTraversalStatistics for
  17 // meaning of these fields.
  18 struct ServoTraversalStatistics {
  19   uint32_t mElementsTraversed = 0;
  20   uint32_t mElementsStyled = 0;
  21   uint32_t mElementsMatched = 0;
  22   uint32_t mStylesShared = 0;
  23   uint32_t mStylesReused = 0;
  24
  25   static bool sActive;
  26   static ServoTraversalStatistics sSingleton;
  27 };
  28
  29 }  // namespace mozilla
  30
  31 #endif  // mozilla_ServoTraversalStatistics_h