blob: 4d4b322c941574daeb6f7ef05f7a10b2614d4128 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/resource_coordinator/utils.h"
#include "base/md5.h"
#include "base/numerics/safe_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/resource_coordinator/resource_coordinator_parts.h"
#include "services/resource_coordinator/public/cpp/memory_instrumentation/os_metrics.h"
namespace resource_coordinator {
std::string SerializeOriginIntoDatabaseKey(const url::Origin& origin) {
return base::MD5String(;
bool URLShouldBeStoredInLocalDatabase(const GURL& url) {
// Only store information for the HTTP(S) sites for now.
return url.SchemeIsHTTPOrHTTPS();
int GetPrivateMemoryKB(base::ProcessHandle handle) {
// Private memory footprint of a process is calculated using its private bytes
// and swap bytes. ProcessMetrics::GetTotalsSummary() is more precise in
// getting the private bytes but can be very slow under heavy memory pressure.
// Instead, use anonymous RSS as a faster estimation of private bytes for the
// process.
auto dump = memory_instrumentation::mojom::RawOSMemDump::New();
dump->platform_private_footprint =
bool success = memory_instrumentation::OSMetrics::FillOSMemoryDump(
base::GetProcId(handle), dump.get());
// Failed to get private memory for the process, e.g. the process has died.
if (!success)
return 0;
uint64_t total_freed_bytes =
dump->platform_private_footprint->rss_anon_bytes +
return base::saturated_cast<int>(total_freed_bytes / 1024);
TabLifecycleUnitSource* GetTabLifecycleUnitSource() {
auto* source = g_browser_process->resource_coordinator_parts()
return source;
PageSignalReceiver* GetPageSignalReceiver() {
// This might get called during the destruction of the browser process, at
// which point there's no PageSignalReceiver anymore.
if (!g_browser_process)
return nullptr;
auto* page_signal_receiver =
return page_signal_receiver;
} // namespace resource_coordinator