blob: ec24eb4a7e2ec2f7347f99f8b015c35bd86ead1c [file] [log] [blame]
/* 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 <map>
#include <memory>
#include <string>
#include <base/macros.h>
#include <base/no_destructor.h>
#include <base/time/time.h>
#include <metrics/metrics_library.h>
#include "hardware_verifier/hardware_verifier.pb.h"
namespace hardware_verifier {
// Total time to finish execution (initialization + probing + verification).
constexpr auto kMetricTimeToFinish = "ChromeOS.HardwareVerifier.TimeToFinish";
// Total time to finish probing.
constexpr auto kMetricTimeToProbe = "ChromeOS.HardwareVerifier.TimeToProbe";
// Prefix for VerificationReport items.
constexpr auto kMetricVerifierReportPrefix =
// The entire program should end within one minutes, so it should be safe to
// assume that all timer samples should be a value in range [0, 60 * 1000] ms.
const int kTimerMinMs_ = 0;
const int kTimerMaxMs_ = 60 * 1000;
// Maximum recommended value.
const int kTimerBuckets_ = 50;
// Observe and potentially logs the behavior of hardware_verifier.
class Observer {
static Observer* GetInstance();
void StartTimer(const std::string& timer_name);
void StopTimer(const std::string& timer_name);
void SetMetricsLibrary(std::unique_ptr<MetricsLibraryInterface> metrics);
void RecordHwVerificationReport(const HwVerificationReport&);
friend class base::NoDestructor<Observer>;
Observer() = default;
Observer(const Observer&) = delete;
Observer& operator=(const Observer&) = delete;
std::map<std::string, base::TimeTicks> timers_;
std::unique_ptr<MetricsLibraryInterface> metrics_;
} // namespace hardware_verifier