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fcd1e87558
If you do a diff, all of the different shared surfaces get merged together, because the diffing process removes all PIDs from the paths. This means you end up hitting an assertion when the diffing process tries to combine entries with the same path but different kinds. Differential Revision: https://phabricator.services.mozilla.com/D83585
186 lines
6.1 KiB
C++
186 lines
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ImageMemoryReporter.h"
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#include "Image.h"
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#include "mozilla/layers/SharedSurfacesParent.h"
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#include "mozilla/StaticPrefs_image.h"
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#include "nsIMemoryReporter.h"
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#include "nsISupportsImpl.h"
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namespace mozilla {
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namespace image {
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ImageMemoryReporter::WebRenderReporter* ImageMemoryReporter::sWrReporter;
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class ImageMemoryReporter::WebRenderReporter final : public nsIMemoryReporter {
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public:
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NS_DECL_ISUPPORTS
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WebRenderReporter() {}
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NS_IMETHOD CollectReports(nsIHandleReportCallback* aHandleReport,
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nsISupports* aData, bool aAnonymize) override {
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layers::SharedSurfacesMemoryReport report;
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layers::SharedSurfacesParent::AccumulateMemoryReport(report);
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ReportSharedSurfaces(aHandleReport, aData, /* aIsForCompositor */ true,
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report);
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return NS_OK;
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}
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private:
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virtual ~WebRenderReporter() {}
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};
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NS_IMPL_ISUPPORTS(ImageMemoryReporter::WebRenderReporter, nsIMemoryReporter)
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/* static */
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void ImageMemoryReporter::InitForWebRender() {
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MOZ_ASSERT(XRE_IsParentProcess() || XRE_IsGPUProcess());
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if (!sWrReporter) {
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sWrReporter = new WebRenderReporter();
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RegisterStrongMemoryReporter(sWrReporter);
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}
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}
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/* static */
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void ImageMemoryReporter::ShutdownForWebRender() {
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MOZ_ASSERT(XRE_IsParentProcess() || XRE_IsGPUProcess());
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if (sWrReporter) {
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UnregisterStrongMemoryReporter(sWrReporter);
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sWrReporter = nullptr;
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}
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}
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/* static */
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void ImageMemoryReporter::ReportSharedSurfaces(
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nsIHandleReportCallback* aHandleReport, nsISupports* aData,
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const layers::SharedSurfacesMemoryReport& aSharedSurfaces) {
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ReportSharedSurfaces(aHandleReport, aData,
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/* aIsForCompositor */ false, aSharedSurfaces);
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}
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/* static */
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void ImageMemoryReporter::ReportSharedSurfaces(
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nsIHandleReportCallback* aHandleReport, nsISupports* aData,
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bool aIsForCompositor,
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const layers::SharedSurfacesMemoryReport& aSharedSurfaces) {
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MOZ_ASSERT_IF(aIsForCompositor, XRE_IsParentProcess() || XRE_IsGPUProcess());
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MOZ_ASSERT_IF(!aIsForCompositor,
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XRE_IsParentProcess() || XRE_IsContentProcess());
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for (auto i = aSharedSurfaces.mSurfaces.begin();
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i != aSharedSurfaces.mSurfaces.end(); ++i) {
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ReportSharedSurface(aHandleReport, aData, aIsForCompositor, i->first,
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i->second);
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}
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}
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/* static */
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void ImageMemoryReporter::ReportSharedSurface(
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nsIHandleReportCallback* aHandleReport, nsISupports* aData,
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bool aIsForCompositor, uint64_t aExternalId,
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const layers::SharedSurfacesMemoryReport::SurfaceEntry& aEntry) {
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nsAutoCString path;
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if (aIsForCompositor) {
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path.AppendLiteral("gfx/webrender/images/mapped_from_owner/");
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} else {
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path.AppendLiteral("gfx/webrender/images/owner_cache_missing/");
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}
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if (aIsForCompositor) {
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path.AppendLiteral("pid=");
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path.AppendInt(uint32_t(aEntry.mCreatorPid));
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path.AppendLiteral("/");
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}
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if (StaticPrefs::image_mem_debug_reporting()) {
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path.AppendInt(aExternalId, 16);
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path.AppendLiteral("/");
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}
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path.AppendLiteral("image(");
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path.AppendInt(aEntry.mSize.width);
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path.AppendLiteral("x");
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path.AppendInt(aEntry.mSize.height);
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path.AppendLiteral(", compositor_ref:");
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path.AppendInt(aEntry.mConsumers);
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path.AppendLiteral(", creator_ref:");
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path.AppendInt(aEntry.mCreatorRef);
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path.AppendLiteral(")/decoded-");
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size_t surfaceSize = mozilla::ipc::SharedMemory::PageAlignedSize(
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aEntry.mSize.height * aEntry.mStride);
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// If this memory has already been reported elsewhere (e.g. as part of our
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// explicit section in the surface cache), we don't want report it again as
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// KIND_NONHEAP and have it counted again. The paths must be different if the
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// kinds are different to avoid problems when diffing memory reports.
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bool sameProcess = aEntry.mCreatorPid == base::GetCurrentProcId();
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int32_t kind;
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if (aIsForCompositor && !sameProcess) {
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path.AppendLiteral("nonheap");
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kind = nsIMemoryReporter::KIND_NONHEAP;
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} else {
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path.AppendLiteral("other");
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kind = nsIMemoryReporter::KIND_OTHER;
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}
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constexpr auto desc = "Decoded image data stored in shared memory."_ns;
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aHandleReport->Callback(EmptyCString(), path, kind,
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nsIMemoryReporter::UNITS_BYTES, surfaceSize, desc,
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aData);
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}
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/* static */
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void ImageMemoryReporter::AppendSharedSurfacePrefix(
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nsACString& aPathPrefix, const SurfaceMemoryCounter& aCounter,
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layers::SharedSurfacesMemoryReport& aSharedSurfaces) {
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uint64_t extId = aCounter.Values().ExternalId();
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if (extId) {
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auto gpuEntry = aSharedSurfaces.mSurfaces.find(extId);
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if (StaticPrefs::image_mem_debug_reporting()) {
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aPathPrefix.AppendLiteral(", external_id:");
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aPathPrefix.AppendInt(extId, 16);
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if (gpuEntry != aSharedSurfaces.mSurfaces.end()) {
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aPathPrefix.AppendLiteral(", compositor_ref:");
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aPathPrefix.AppendInt(gpuEntry->second.mConsumers);
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} else {
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aPathPrefix.AppendLiteral(", compositor_ref:missing");
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}
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}
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if (gpuEntry != aSharedSurfaces.mSurfaces.end()) {
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MOZ_ASSERT(gpuEntry->second.mCreatorRef);
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aSharedSurfaces.mSurfaces.erase(gpuEntry);
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}
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}
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}
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/* static */
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void ImageMemoryReporter::TrimSharedSurfaces(
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const ImageMemoryCounter& aCounter,
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layers::SharedSurfacesMemoryReport& aSharedSurfaces) {
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if (aSharedSurfaces.mSurfaces.empty()) {
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return;
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}
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for (const SurfaceMemoryCounter& counter : aCounter.Surfaces()) {
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uint64_t extId = counter.Values().ExternalId();
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if (extId) {
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auto gpuEntry = aSharedSurfaces.mSurfaces.find(extId);
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if (gpuEntry != aSharedSurfaces.mSurfaces.end()) {
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MOZ_ASSERT(gpuEntry->second.mCreatorRef);
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aSharedSurfaces.mSurfaces.erase(gpuEntry);
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}
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}
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}
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}
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} // namespace image
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} // namespace mozilla
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