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/*
* Copyright (C) 2016 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. ``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
* 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 "PerformanceLogging.h"
#include "BackForwardCache.h"
#include "CommonVM.h"
#include "Document.h"
#include "FrameLoader.h"
#include "JSLocalDOMWindow.h"
#include "LocalDOMWindow.h"
#include "LocalFrame.h"
#include "LocalFrameLoaderClient.h"
#include "Logging.h"
#include "Page.h"
namespace WebCore {
#if !RELEASE_LOG_DISABLED
static const char* toString(PerformanceLogging::PointOfInterest poi)
{
switch (poi) {
case PerformanceLogging::MainFrameLoadStarted:
return "MainFrameLoadStarted";
case PerformanceLogging::MainFrameLoadCompleted:
return "MainFrameLoadCompleted";
}
RELEASE_ASSERT_NOT_REACHED();
return "";
}
#endif
HashMap<const char*, size_t> PerformanceLogging::memoryUsageStatistics(ShouldIncludeExpensiveComputations includeExpensive)
{
HashMap<const char*, size_t> stats;
stats.reserveInitialCapacity(32);
stats.add("page_count", Page::nonUtilityPageCount());
stats.add("backforward_cache_page_count", BackForwardCache::singleton().pageCount());
stats.add("document_count", Document::allDocuments().size());
auto& vm = commonVM();
JSC::JSLockHolder locker(vm);
stats.add("javascript_gc_heap_capacity_mb", vm.heap.capacity() >> 20);
stats.add("javascript_gc_heap_extra_memory_size_mb", vm.heap.extraMemorySize() >> 20);
if (includeExpensive == ShouldIncludeExpensiveComputations::Yes) {
stats.add("javascript_gc_heap_size_mb", vm.heap.size() >> 20);
stats.add("javascript_gc_object_count", vm.heap.objectCount());
stats.add("javascript_gc_protected_object_count", vm.heap.protectedObjectCount());
stats.add("javascript_gc_global_object_count", vm.heap.globalObjectCount());
stats.add("javascript_gc_protected_global_object_count", vm.heap.protectedGlobalObjectCount());
}
getPlatformMemoryUsageStatistics(stats);
return stats;
}
HashCountedSet<const char*> PerformanceLogging::javaScriptObjectCounts()
{
return WTFMove(*commonVM().heap.objectTypeCounts());
}
PerformanceLogging::PerformanceLogging(Page& page)
: m_page(page)
{
}
void PerformanceLogging::didReachPointOfInterest(PointOfInterest poi)
{
#if RELEASE_LOG_DISABLED
UNUSED_PARAM(poi);
UNUSED_VARIABLE(m_page);
#else
// Ignore synthetic main frames used internally by SVG and web inspector.
if (auto* localMainFrame = dynamicDowncast<LocalFrame>(m_page.mainFrame())) {
if (localMainFrame->loader().client().isEmptyFrameLoaderClient())
return;
}
RELEASE_LOG(PerformanceLogging, "Memory usage info dump at %s:", toString(poi));
for (auto& it : memoryUsageStatistics(ShouldIncludeExpensiveComputations::No))
RELEASE_LOG(PerformanceLogging, " %s: %zu", it.key, it.value);
#endif
}
#if !PLATFORM(COCOA)
void PerformanceLogging::getPlatformMemoryUsageStatistics(HashMap<const char*, size_t>&) { }
std::optional<uint64_t> PerformanceLogging::physicalFootprint() { return std::nullopt; }
#endif
}
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