| // 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), service_start_(clock_->NowTicks()) {} |
| |
| ServiceMetrics::~ServiceMetrics() { |
| LogHasNoConnectionsDuration(); |
| UMA_HISTOGRAM_CUSTOM_TIMES( |
| "Media.AudioService.Uptime", clock_->NowTicks() - service_start_, |
| base::TimeDelta(), base::TimeDelta::FromDays(7), 50); |
| } |
| |
| void ServiceMetrics::HasConnections() { |
| TRACE_EVENT_ASYNC_BEGIN0("audio", "Audio service has connections", this); |
| has_connections_start_ = clock_->NowTicks(); |
| LogHasNoConnectionsDuration(); |
| } |
| |
| void ServiceMetrics::HasNoConnections() { |
| TRACE_EVENT_ASYNC_END0("audio", "Audio service has connections", 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::TimeDelta::FromDays(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::TimeDelta::FromMinutes(10), 50); |
| has_no_connections_start_ = base::TimeTicks(); |
| } |
| |
| } // namespace audio |