Files
MaxScale/maxscale-system-test/base/stopwatch.h
Niclas Antti c447e5cf15 Uncrustify maxscale
See script directory for method. The script to run in the top level
MaxScale directory is called maxscale-uncrustify.sh, which uses
another script, list-src, from the same directory (so you need to set
your PATH). The uncrustify version was 0.66.
2018-09-09 22:26:19 +03:00

58 lines
1.5 KiB
C++

/*
* Copyright (c) 2018 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2022-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#pragma once
#include <chrono>
#include <iosfwd>
#include <string>
// Same StopWatch as in maxscale, but dropping support for gcc 4.4
namespace base
{
using Clock = std::chrono::steady_clock;
struct Duration : public Clock::duration // for ADL
{
using Clock::duration::duration;
Duration() = default;
Duration(Clock::duration d) : Clock::duration(d)
{
}
};
using TimePoint = std::chrono::time_point<Clock, Duration>;
class StopWatch
{
public:
// Starts the stopwatch, which is always running.
StopWatch();
// Get elapsed time.
Duration lap() const;
// Get elapsed time, restart StopWatch.
Duration restart();
private:
TimePoint m_start;
};
// Returns the value as a double and string adjusted to a suffix like ms for milliseconds.
std::pair<double, std::string> dur_to_human_readable(Duration dur);
// Human readable output. No standard library for it yet.
std::ostream& operator<<(std::ostream&, Duration dur);
// TimePoint
std::string time_point_to_string(TimePoint tp, const std::string& fmt = "%F %T");
std::ostream& operator<<(std::ostream&, TimePoint tp);
} // base