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/*
* Copyright (C) 2021 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 <showmap.h>
namespace WebCore {
static float cpuUsage()
{
// FIXME: Need a way to calculate cpu usage
return 0;
}
void ResourceUsageThread::platformSaveStateBeforeStarting()
{
}
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& categories = data.categories;
auto currentGCHeapCapacity = vm->heap.blockBytesAllocated();
auto currentGCOwnedExtra = vm->heap.extraMemorySize();
auto currentGCOwnedExternal = vm->heap.externalMemorySize();
RELEASE_ASSERT(currentGCOwnedExternal <= currentGCOwnedExtra);
categories[MemoryCategory::GCHeap].dirtySize = currentGCHeapCapacity;
categories[MemoryCategory::GCOwned].dirtySize = currentGCOwnedExtra - currentGCOwnedExternal;
categories[MemoryCategory::GCOwned].externalSize = currentGCOwnedExternal;
auto currentGCDirtySize = currentGCHeapCapacity + currentGCOwnedExtra - currentGCOwnedExternal;
// TODO: collect dirty size of "MemoryCategory::Images" and "MemoryCategory::Layers"
showmap::Result<256> result;
result.collect();
data.totalDirtySize = result.effectiveRss();
if (auto* entry = result.entry("SceNKFastMalloc")) {
auto rss = entry->effectiveRss();
RELEASE_ASSERT(data.totalDirtySize > rss);
categories[MemoryCategory::Other].dirtySize = data.totalDirtySize - rss;
categories[MemoryCategory::bmalloc].dirtySize = rss - std::min(rss, currentGCDirtySize);
} else
categories[MemoryCategory::Other] = data.totalDirtySize - std::min(data.totalDirtySize, currentGCDirtySize);
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()));
}
} // namespace WebCore
#endif // ENABLE(RESOURCE_USAGE)
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