| // Copyright 2018 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. |
| |
| #include "third_party/blink/renderer/controller/bloated_renderer_detector.h" |
| |
| #include "third_party/blink/renderer/platform/bindings/v8_per_isolate_data.h" |
| #include "third_party/blink/renderer/platform/instrumentation/resource_coordinator/renderer_resource_coordinator.h" |
| |
| namespace blink { |
| |
| static BloatedRendererDetector* g_bloated_renderer_detector = nullptr; |
| |
| void BloatedRendererDetector::Initialize() { |
| g_bloated_renderer_detector = |
| new BloatedRendererDetector(WTF::CurrentTimeTicks()); |
| } |
| |
| NearV8HeapLimitHandling |
| BloatedRendererDetector::OnNearV8HeapLimitOnMainThread() { |
| return g_bloated_renderer_detector->OnNearV8HeapLimitOnMainThreadImpl(); |
| } |
| |
| NearV8HeapLimitHandling |
| BloatedRendererDetector::OnNearV8HeapLimitOnMainThreadImpl() { |
| WTF::TimeTicks now = WTF::CurrentTimeTicks(); |
| if (!RuntimeEnabledFeatures:: |
| BloatedRendererDetectionSkipUptimeCheckEnabled()) { |
| WTF::TimeDelta delta = now - last_detection_time_; |
| if (delta.InMinutes() < kMinimumCooldownInMinutes) { |
| return NearV8HeapLimitHandling::kIgnoredDueToCooldownTime; |
| } |
| } |
| last_detection_time_ = now; |
| RendererResourceCoordinator::Get().OnRendererIsBloated(); |
| return NearV8HeapLimitHandling::kForwardedToBrowser; |
| } |
| |
| } // namespace blink |
