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- // 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 "services/audio/service_metrics.h"
- #include "base/metrics/histogram_macros.h"
- #include "base/time/tick_clock.h"
- #include "base/trace_event/trace_event.h"
- namespace audio {
- ServiceMetrics::ServiceMetrics(const base::TickClock* clock) : clock_(clock) {}
- ServiceMetrics::~ServiceMetrics() {
- LogHasNoConnectionsDuration();
- }
- void ServiceMetrics::HasConnections() {
- TRACE_EVENT_NESTABLE_ASYNC_BEGIN0("audio", "Audio service has connections",
- TRACE_ID_LOCAL(this));
- has_connections_start_ = clock_->NowTicks();
- LogHasNoConnectionsDuration();
- }
- void ServiceMetrics::HasNoConnections() {
- TRACE_EVENT_NESTABLE_ASYNC_END0("audio", "Audio service has connections",
- TRACE_ID_LOCAL(this));
- has_no_connections_start_ = clock_->NowTicks();
- DCHECK_NE(base::TimeTicks(), has_connections_start_);
- UMA_HISTOGRAM_CUSTOM_TIMES("Media.AudioService.HasConnectionsDuration",
- clock_->NowTicks() - has_connections_start_,
- base::TimeDelta(), base::Days(7), 50);
- has_connections_start_ = base::TimeTicks();
- }
- void ServiceMetrics::LogHasNoConnectionsDuration() {
- // Service shuts down without having accepted any connections in its lifetime
- // or with active connections, meaning there is no "no connection" interval in
- // progress.
- if (has_no_connections_start_.is_null())
- return;
- UMA_HISTOGRAM_CUSTOM_TIMES("Media.AudioService.HasNoConnectionsDuration",
- clock_->NowTicks() - has_no_connections_start_,
- base::TimeDelta(), base::Minutes(10), 50);
- has_no_connections_start_ = base::TimeTicks();
- }
- } // namespace audio
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