// Copyright 2021 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_FUCHSIA_SCHEDULER_H_ #define BASE_FUCHSIA_SCHEDULER_H_ #include "base/strings/string_piece.h" #include "base/time/time.h" namespace base { // Scheduling interval to use for realtime audio threads. // TODO(crbug.com/1224707): Add scheduling period to Thread::Options and remove // this constants. constexpr TimeDelta kAudioSchedulingPeriod = Milliseconds(10); // Reserve 30% of one CPU core for audio threads. // TODO(crbug.com/1174811): A different value may need to be used for WebAudio // threads (see media::FuchsiaAudioOutputDevice). A higher capacity may need to // be allocated in that case. constexpr float kAudioSchedulingCapacity = 0.3; // Scheduling interval to use for display threads. // TODO(crbug.com/1224707): Add scheduling period to Thread::Options and remove // this constants. constexpr TimeDelta kDisplaySchedulingPeriod = Seconds(1) / 60; // Reserve 50% of one CPU core for display threads. // TODO(crbug.com/1181421): Currently DISPLAY priority is not enabled for any // thread on Fuchsia. The value below will need to be fine-tuned when it's // enabled. const float kDisplaySchedulingCapacity = 0.5; } // namespace base #endif // BASE_FUCHSIA_SCHEDULER_H_