mirror of
https://github.com/darlinghq/darling-WTF.git
synced 2024-11-23 11:59:47 +00:00
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
/*
|
|
* Copyright (C) 2017 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
* THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <wtf/MonotonicTime.h>
|
|
#include <wtf/Seconds.h>
|
|
|
|
namespace WTF {
|
|
|
|
struct CPUTime {
|
|
WTF_MAKE_STRUCT_FAST_ALLOCATED;
|
|
|
|
MonotonicTime cpuTime;
|
|
Seconds userTime;
|
|
Seconds systemTime;
|
|
|
|
WTF_EXPORT_PRIVATE double percentageCPUUsageSince(const CPUTime&) const;
|
|
|
|
WTF_EXPORT_PRIVATE static Optional<CPUTime> get();
|
|
|
|
// Returns the current CPU time of the current thread.
|
|
// Precision varies depending on platform but is usually as good or better
|
|
// than a millisecond.
|
|
WTF_EXPORT_PRIVATE static Seconds forCurrentThread();
|
|
};
|
|
|
|
} // namespace WTF
|
|
|
|
using WTF::CPUTime;
|