1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/chromium/base/tracking_info.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,55 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +// This is a simple struct with tracking information that is stored
1.9 +// with a PendingTask (when message_loop is handling the task).
1.10 +// Only the information that is shared with the profiler in tracked_objects
1.11 +// are included in this structure.
1.12 +
1.13 +
1.14 +#ifndef BASE_TRACKING_INFO_H_
1.15 +#define BASE_TRACKING_INFO_H_
1.16 +
1.17 +#include "base/base_export.h"
1.18 +#include "base/profiler/tracked_time.h"
1.19 +#include "base/time/time.h"
1.20 +
1.21 +namespace tracked_objects {
1.22 +class Location;
1.23 +class Births;
1.24 +}
1.25 +
1.26 +namespace base {
1.27 +
1.28 +// This structure is copied around by value.
1.29 +struct BASE_EXPORT TrackingInfo {
1.30 + TrackingInfo();
1.31 + TrackingInfo(const tracked_objects::Location& posted_from,
1.32 + base::TimeTicks delayed_run_time);
1.33 + ~TrackingInfo();
1.34 +
1.35 + // To avoid conflating our stats with the delay duration in a PostDelayedTask,
1.36 + // we identify such tasks, and replace their post_time with the time they
1.37 + // were scheduled (requested?) to emerge from the delayed task queue. This
1.38 + // means that queuing delay for such tasks will show how long they went
1.39 + // unserviced, after they *could* be serviced. This is the same stat as we
1.40 + // have for non-delayed tasks, and we consistently call it queuing delay.
1.41 + tracked_objects::TrackedTime EffectiveTimePosted() const {
1.42 + return tracked_objects::TrackedTime(
1.43 + delayed_run_time.is_null() ? time_posted : delayed_run_time);
1.44 + }
1.45 +
1.46 + // Record of location and thread that the task came from.
1.47 + tracked_objects::Births* birth_tally;
1.48 +
1.49 + // Time when the related task was posted.
1.50 + base::TimeTicks time_posted;
1.51 +
1.52 + // The time when the task should be run.
1.53 + base::TimeTicks delayed_run_time;
1.54 +};
1.55 +
1.56 +} // namespace base
1.57 +
1.58 +#endif // BASE_TRACKING_INFO_H_
