| /* Copyright 2020 The Chromium OS 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 <memory> |
| #include <string> |
| |
| #include <base/logging.h> |
| #include <base/time/time.h> |
| #include <metrics/metrics_library.h> |
| |
| #include "hardware_verifier/metrics.h" |
| |
| namespace hardware_verifier { |
| |
| void Metrics::StartTimer(const std::string& timer_name) { |
| VLOG(1) << "Start timer |" << timer_name << "|"; |
| timers_[timer_name] = base::TimeTicks::Now(); |
| } |
| |
| void Metrics::StopTimer(const std::string& timer_name) { |
| auto it = timers_.find(timer_name); |
| |
| DCHECK(it != timers_.end()); |
| |
| auto start = it->second; |
| timers_.erase(it); |
| auto now = base::TimeTicks::Now(); |
| auto duration_ms = (now - start).InMilliseconds(); |
| |
| VLOG(1) << "Stop timer |" << timer_name << "|, time elapsed: " << duration_ms |
| << "ms.\n"; |
| |
| SendTimerSample(timer_name, duration_ms); |
| } |
| |
| UMAMetrics::UMAMetrics() |
| : metrics_library_(std::make_unique<MetricsLibrary>()) {} |
| |
| void UMAMetrics::SendTimerSample(const std::string& timer_name, int sample_ms) { |
| metrics_library_->SendToUMA(timer_name, sample_ms, kTimerMinMs_, kTimerMaxMs_, |
| kTimerBuckets_); |
| } |
| |
| } // namespace hardware_verifier |