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/*
* Copyright (C) 2017 Igalia S.L.
* Copyright (C) 2018 Apple Inc. All rights reserved.
* Copyright (C) 2019 Sony Interactive Entertainment Inc.
*
* 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.
*/
#include "config.h"
#include "ResourceUsageThread.h"
#if ENABLE(RESOURCE_USAGE)
#include <JavaScriptCore/GCActivityCallback.h>
#include <JavaScriptCore/VM.h>
#include <psapi.h>
namespace WebCore {
void ResourceUsageThread::platformSaveStateBeforeStarting()
{
}
static uint64_t fileTimeToUint64(FILETIME ft)
{
ULARGE_INTEGER u;
u.LowPart = ft.dwLowDateTime;
u.HighPart = ft.dwHighDateTime;
return u.QuadPart;
}
static bool getCurrentCpuTime(uint64_t& nowTime, uint64_t& userTime, uint64_t& kernelTime)
{
FILETIME creationFileTime, exitFileTime, kernelFileTime, userFileTime;
if (!GetProcessTimes(GetCurrentProcess(), &creationFileTime, &exitFileTime, &kernelFileTime, &userFileTime))
return false;
FILETIME nowFileTime;
GetSystemTimeAsFileTime(&nowFileTime);
nowTime = fileTimeToUint64(nowFileTime);
userTime = fileTimeToUint64(userFileTime);
kernelTime = fileTimeToUint64(kernelFileTime);
return true;
}
static float cpuUsage()
{
static int numberOfProcessors = 0;
static uint64_t lastTime = 0;
static uint64_t lastKernelTime = 0;
static uint64_t lastUserTime = 0;
if (!lastTime) {
SYSTEM_INFO systemInfo;
GetSystemInfo(&systemInfo);
numberOfProcessors = systemInfo.dwNumberOfProcessors;
getCurrentCpuTime(lastTime, lastKernelTime, lastUserTime);
return 0;
}
uint64_t nowTime, kernelTime, userTime;
if (!getCurrentCpuTime(nowTime, kernelTime, userTime))
return 0;
uint64_t elapsed = nowTime - lastTime;
uint64_t totalCPUTime = (kernelTime - lastKernelTime);
totalCPUTime += (userTime - lastUserTime);
lastTime = nowTime;
lastKernelTime = kernelTime;
lastUserTime = userTime;
float usage = (100.0 * totalCPUTime) / elapsed / numberOfProcessors;
return clampTo<float>(usage, 0, 100);
}
static size_t memoryUsage()
{
PROCESS_MEMORY_COUNTERS_EX pmc;
if (GetProcessMemoryInfo(GetCurrentProcess(), (PROCESS_MEMORY_COUNTERS*)&pmc, sizeof(pmc)))
return pmc.PrivateUsage;
return 0;
}
void ResourceUsageThread::platformCollectCPUData(JSC::VM*, ResourceUsageData& data)
{
data.cpu = cpuUsage();
// FIXME: Exclude the ResourceUsage thread.
// FIXME: Exclude the SamplingProfiler thread.
// FIXME: Classify usage per thread.
data.cpuExcludingDebuggerThreads = data.cpu;
}
void ResourceUsageThread::platformCollectMemoryData(JSC::VM* vm, ResourceUsageData& data)
{
auto usage = data.totalDirtySize = memoryUsage();
size_t currentGCHeapCapacity = vm->heap.blockBytesAllocated();
size_t currentGCOwnedExtra = vm->heap.extraMemorySize();
size_t currentGCOwnedExternal = vm->heap.externalMemorySize();
RELEASE_ASSERT(currentGCOwnedExternal <= currentGCOwnedExtra);
data.categories[MemoryCategory::GCHeap].dirtySize = currentGCHeapCapacity;
data.categories[MemoryCategory::GCOwned].dirtySize = currentGCOwnedExtra - currentGCOwnedExternal;
data.categories[MemoryCategory::GCOwned].externalSize = currentGCOwnedExternal;
usage -= currentGCHeapCapacity;
// Following ResourceUsageThreadCocoa implementation
auto currentGCOwnedGenerallyInMalloc = currentGCOwnedExtra - currentGCOwnedExternal;
if (currentGCOwnedGenerallyInMalloc < usage)
usage -= currentGCOwnedGenerallyInMalloc;
data.categories[MemoryCategory::LibcMalloc].dirtySize = usage;
data.totalExternalSize = currentGCOwnedExternal;
data.timeOfNextEdenCollection = data.timestamp + vm->heap.edenActivityCallback()->timeUntilFire().value_or(Seconds(std::numeric_limits<double>::infinity()));
data.timeOfNextFullCollection = data.timestamp + vm->heap.fullActivityCallback()->timeUntilFire().value_or(Seconds(std::numeric_limits<double>::infinity()));
}
}
#endif