chromium/third_party/blink/renderer/platform/instrumentation/tracing/web_process_memory_dump.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/instrumentation/tracing/web_process_memory_dump.h"

#include <stddef.h>
#include <string>

#include "base/memory/discardable_memory.h"
#include "base/memory/ptr_util.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/trace_event_memory_overhead.h"
#include "base/trace_event/traced_value.h"
#include "skia/ext/skia_trace_memory_dump_impl.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/web_memory_allocator_dump.h"
#include "third_party/blink/renderer/platform/wtf/text/string_utf8_adaptor.h"

namespace blink {

WebProcessMemoryDump::WebProcessMemoryDump()
    : … { … }

WebProcessMemoryDump::WebProcessMemoryDump(
    base::trace_event::MemoryDumpLevelOfDetail level_of_detail,
    base::trace_event::ProcessMemoryDump* process_memory_dump)
    : … { … }

WebProcessMemoryDump::~WebProcessMemoryDump() = default;

blink::WebMemoryAllocatorDump* WebProcessMemoryDump::CreateMemoryAllocatorDump(
    const String& absolute_name) { … }

blink::WebMemoryAllocatorDump* WebProcessMemoryDump::CreateMemoryAllocatorDump(
    const String& absolute_name,
    blink::WebMemoryAllocatorDumpGuid guid) { … }

blink::WebMemoryAllocatorDump*
WebProcessMemoryDump::CreateWebMemoryAllocatorDump(
    base::trace_event::MemoryAllocatorDump* memory_allocator_dump) { … }

blink::WebMemoryAllocatorDump* WebProcessMemoryDump::GetMemoryAllocatorDump(
    const String& absolute_name) const { … }

void WebProcessMemoryDump::Clear() { … }

void WebProcessMemoryDump::TakeAllDumpsFrom(
    blink::WebProcessMemoryDump* other) { … }

void WebProcessMemoryDump::AddOwnershipEdge(
    blink::WebMemoryAllocatorDumpGuid source,
    blink::WebMemoryAllocatorDumpGuid target,
    int importance) { … }

void WebProcessMemoryDump::AddOwnershipEdge(
    blink::WebMemoryAllocatorDumpGuid source,
    blink::WebMemoryAllocatorDumpGuid target) { … }

void WebProcessMemoryDump::AddSuballocation(
    blink::WebMemoryAllocatorDumpGuid source,
    const String& target_node_name) { … }

SkTraceMemoryDump* WebProcessMemoryDump::CreateDumpAdapterForSkia(
    const String& dump_name_prefix) { … }

blink::WebMemoryAllocatorDump*
WebProcessMemoryDump::CreateDiscardableMemoryAllocatorDump(
    const std::string& name,
    base::DiscardableMemory* discardable) { … }

void WebProcessMemoryDump::DumpHeapUsage(
    const std::unordered_map<base::trace_event::AllocationContext,
                             base::trace_event::AllocationMetrics>&
        metrics_by_context,
    base::trace_event::TraceEventMemoryOverhead& overhead,
    const char* allocator_name) { … }

}  // namespace content