| // Copyright 2017 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 "cc/trees/ukm_manager.h" |
| |
| #include "services/metrics/public/cpp/ukm_builders.h" |
| #include "services/metrics/public/cpp/ukm_recorder.h" |
| |
| namespace cc { |
| |
| UkmManager::UkmManager(std::unique_ptr<ukm::UkmRecorder> recorder) |
| : recorder_(std::move(recorder)) { |
| DCHECK(recorder_); |
| } |
| |
| UkmManager::~UkmManager() { |
| RecordCheckerboardUkm(); |
| RecordRenderingUkm(); |
| } |
| |
| void UkmManager::SetSourceURL(const GURL& url) { |
| // If we accumulating any metrics, record them before reseting the source. |
| RecordCheckerboardUkm(); |
| RecordRenderingUkm(); |
| |
| source_id_ = recorder_->GetNewSourceID(); |
| recorder_->UpdateSourceURL(source_id_, url); |
| } |
| |
| void UkmManager::SetUserInteractionInProgress(bool in_progress) { |
| if (user_interaction_in_progress_ == in_progress) |
| return; |
| |
| user_interaction_in_progress_ = in_progress; |
| if (!user_interaction_in_progress_) |
| RecordCheckerboardUkm(); |
| } |
| |
| void UkmManager::AddCheckerboardStatsForFrame(int64_t checkerboard_area, |
| int64_t num_missing_tiles, |
| int64_t total_visible_area) { |
| DCHECK_GE(total_visible_area, checkerboard_area); |
| if (source_id_ == ukm::kInvalidSourceId || !user_interaction_in_progress_) |
| return; |
| |
| checkerboarded_content_area_ += checkerboard_area; |
| num_missing_tiles_ += num_missing_tiles; |
| total_visible_area_ += total_visible_area; |
| num_of_frames_++; |
| } |
| |
| void UkmManager::AddCheckerboardedImages(int num_of_checkerboarded_images) { |
| if (user_interaction_in_progress_) { |
| num_of_images_checkerboarded_during_interaction_ += |
| num_of_checkerboarded_images; |
| } |
| total_num_of_checkerboarded_images_ += num_of_checkerboarded_images; |
| } |
| |
| void UkmManager::RecordCheckerboardUkm() { |
| // Only make a recording if there was any visible area from PictureLayers, |
| // which can be checkerboarded. |
| if (num_of_frames_ > 0 && total_visible_area_ > 0) { |
| DCHECK_NE(source_id_, ukm::kInvalidSourceId); |
| ukm::builders::Compositor_UserInteraction(source_id_) |
| .SetCheckerboardedContentArea(checkerboarded_content_area_ / |
| num_of_frames_) |
| .SetNumMissingTiles(num_missing_tiles_ / num_of_frames_) |
| .SetCheckerboardedContentAreaRatio( |
| (checkerboarded_content_area_ * 100) / total_visible_area_) |
| .SetCheckerboardedImagesCount( |
| num_of_images_checkerboarded_during_interaction_) |
| .Record(recorder_.get()); |
| } |
| |
| checkerboarded_content_area_ = 0; |
| num_missing_tiles_ = 0; |
| num_of_frames_ = 0; |
| total_visible_area_ = 0; |
| num_of_images_checkerboarded_during_interaction_ = 0; |
| } |
| |
| void UkmManager::RecordRenderingUkm() { |
| if (source_id_ == ukm::kInvalidSourceId) |
| return; |
| |
| ukm::builders::Compositor_Rendering(source_id_) |
| .SetCheckerboardedImagesCount(total_num_of_checkerboarded_images_) |
| .Record(recorder_.get()); |
| total_num_of_checkerboarded_images_ = 0; |
| } |
| |
| } // namespace cc |