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Unified Diff: content/browser/process_resource_usage_impl.cc

Issue 972083002: Report utility process JS memory in task manager. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@v8-pac-oop
Patch Set: Clean up. Created 5 years, 8 months ago
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Index: content/browser/process_resource_usage_impl.cc
diff --git a/content/browser/process_resource_usage_impl.cc b/content/browser/process_resource_usage_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..252aef3141cc3c4d11560367aab47a34bd10c00f
--- /dev/null
+++ b/content/browser/process_resource_usage_impl.cc
@@ -0,0 +1,124 @@
+// Copyright 2015 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 "content/browser/process_resource_usage_impl.h"
+
+#include "base/bind.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread_checker.h"
+#include "content/public/browser/browser_thread.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/error_handler.h"
+
+namespace content {
+
+class ProcessResourceUsageImpl::Client : public base::SupportsWeakPtr<Client>,
+ public mojo::ErrorHandler {
+ public:
+ explicit Client(ResourceUsageReporterPtr service);
+
+ // Deletes self and closes the Mojo connection.
+ void Destroy();
+
+ // Refresh the resource data.
+ void Refresh(const base::Callback<void(ResourceUsageDataPtr)>& callback);
+
+ private:
+ // Overridden from mojo::ErrorHandler:
+ void OnConnectionError() override;
+
+ // Mojo IPC callback.
+ void OnGetUsageDataDone(
+ const base::Callback<void(ResourceUsageDataPtr)>& callback,
+ ResourceUsageDataPtr data);
+
+ ResourceUsageReporterPtr service_;
+ bool update_in_progress_;
+
+ base::ThreadChecker thread_checker_;
+
+ DISALLOW_COPY_AND_ASSIGN(Client);
+};
+
+ProcessResourceUsageImpl::Client::Client(ResourceUsageReporterPtr service)
+ : service_(service.Pass()), update_in_progress_(false) {
+ service_.set_error_handler(this);
+}
+
+void ProcessResourceUsageImpl::Client::Destroy() {
+ DCHECK(thread_checker_.CalledOnValidThread());
+ delete this;
+}
+
+void ProcessResourceUsageImpl::Client::OnConnectionError() {
+ DCHECK(thread_checker_.CalledOnValidThread());
+ Destroy();
+}
+
+void ProcessResourceUsageImpl::Client::Refresh(
+ const base::Callback<void(ResourceUsageDataPtr)>& callback) {
+ DCHECK(thread_checker_.CalledOnValidThread());
+ if (!update_in_progress_ && service_) {
+ update_in_progress_ = true;
+ service_->GetUsageData(
+ base::Bind(&ProcessResourceUsageImpl::Client::OnGetUsageDataDone,
+ base::Unretained(this), callback));
+ }
+}
+
+void ProcessResourceUsageImpl::Client::OnGetUsageDataDone(
+ const base::Callback<void(ResourceUsageDataPtr)>& callback,
+ ResourceUsageDataPtr data) {
+ DCHECK(thread_checker_.CalledOnValidThread());
+ update_in_progress_ = false;
+ callback.Run(data.Pass());
+}
+
+ProcessResourceUsageImpl::ProcessResourceUsageImpl(
+ ResourceUsageReporterPtr service)
+ : mojo_message_loop_(base::MessageLoopProxy::current()),
+ client_((new Client(service.Pass()))->AsWeakPtr()) {
+}
+
+ProcessResourceUsageImpl::~ProcessResourceUsageImpl() {
+ mojo_message_loop_->PostTask(
+ FROM_HERE,
+ base::Bind(&ProcessResourceUsageImpl::Client::Destroy, client_));
+}
+
+void ProcessResourceUsageImpl::Refresh() {
+ mojo_message_loop_->PostTask(
+ FROM_HERE,
+ base::Bind(&ProcessResourceUsageImpl::Client::Refresh, client_,
+ base::Bind(&ProcessResourceUsageImpl::OnRefreshDone, this)));
+}
+
+void ProcessResourceUsageImpl::OnRefreshDone(ResourceUsageDataPtr data) {
+ base::AutoLock l(lock_);
+ stats_ = data.Pass();
+}
+
+bool ProcessResourceUsageImpl::ReportsV8MemoryStats() const {
+ base::AutoLock l(lock_);
+ if (stats_)
+ return stats_->reports_v8_stats;
+ return false;
+}
+
+size_t ProcessResourceUsageImpl::GetV8MemoryAllocated() const {
+ base::AutoLock l(lock_);
+ if (stats_ && stats_->reports_v8_stats)
+ return stats_->v8_memory_allocated;
+
+ return 0;
+}
+
+size_t ProcessResourceUsageImpl::GetV8MemoryUsed() const {
+ base::AutoLock l(lock_);
+ if (stats_ && stats_->reports_v8_stats)
+ return stats_->v8_memory_used;
+
+ return 0;
+}
+
+} // namespace content

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