blob: 6f4755ebd53b6a1d4d1ba1096615f10e276ca1d0 [file] [log] [blame]
// 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 <string>
#include "base/callback.h"
#include "base/time/time.h"
namespace chrome_cleaner {
// A class to compute the time it takes to execute a task within its lifespan
// and then call the given callback passing it the measured time.
class ScopedTimedTaskLogger {
typedef base::OnceCallback<void(const base::TimeDelta&)> TimerCallback;
// If |elapsed_time| exceeds |threshold|, then log
// "|logging_text| took '|elapsed_time|' seconds."
static void LogIfExceedThreshold(const char* logging_text,
const base::TimeDelta& threshold,
const base::TimeDelta& elapsed_time);
// Start tracking the elapsed time between construction and destruction of
// this object. |timer_callback| is called in the destructor with the measured
// time.
explicit ScopedTimedTaskLogger(TimerCallback timer_callback);
// Convenience constructor that uses |LogIfExceedThreshold| with
// |logging_text| and a threshold of one second as the callback. The ownership
// of |logging_text| is retained by the caller, who must ensure that
// |logging_text| outlives the |ScopedTimedTaskLogger| object.
explicit ScopedTimedTaskLogger(const char* logging_text);
base::Time start_time_;
TimerCallback timer_callback_;
} // namespace chrome_cleaner