blob: f16816e40f011143f21c23615c5a6c8e48c858ef [file] [log] [blame]
// 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 "chrome/browser/metrics/metrics_memory_details.h"
#include <stddef.h>
#include <vector>
#include "base/location.h"
#include "base/metrics/histogram_macros.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "chrome/browser/site_isolation/site_details.h"
#include "components/nacl/common/nacl_process_type.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_iterator.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/process_type.h"
#include "ppapi/buildflags/buildflags.h"
#include "third_party/leveldatabase/leveldb_chrome.h"
namespace {
void CountRenderProcessHosts(size_t* initialized_and_not_dead, size_t* all) {
*initialized_and_not_dead = *all = 0;
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
for (auto iter = content::RenderProcessHost::AllHostsIterator();
!iter.IsAtEnd(); iter.Advance()) {
content::RenderProcessHost& render_process_host = *iter.GetCurrentValue();
++*all;
if (render_process_host.IsInitializedAndNotDead())
++*initialized_and_not_dead;
}
}
} // namespace
MetricsMemoryDetails::MetricsMemoryDetails(const base::Closure& callback)
: callback_(callback) {}
MetricsMemoryDetails::~MetricsMemoryDetails() {
}
void MetricsMemoryDetails::OnDetailsAvailable() {
UpdateHistograms();
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback_);
}
void MetricsMemoryDetails::UpdateHistograms() {
// Reports a set of memory metrics to UMA.
const ProcessData& browser = *ChromeBrowser();
int chrome_count = 0;
int extension_count = 0;
int renderer_count = 0;
for (size_t index = 0; index < browser.processes.size(); index++) {
int num_open_fds = browser.processes[index].num_open_fds;
int open_fds_soft_limit = browser.processes[index].open_fds_soft_limit;
switch (browser.processes[index].process_type) {
case content::PROCESS_TYPE_BROWSER:
if (num_open_fds != -1 && open_fds_soft_limit != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.Browser.OpenFDs", num_open_fds);
UMA_HISTOGRAM_COUNTS_10000("Memory.Browser.OpenFDsSoftLimit",
open_fds_soft_limit);
}
continue;
case content::PROCESS_TYPE_RENDERER: {
if (num_open_fds != -1 && open_fds_soft_limit != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.RendererAll.OpenFDs",
num_open_fds);
UMA_HISTOGRAM_COUNTS_10000("Memory.RendererAll.OpenFDsSoftLimit",
open_fds_soft_limit);
}
ProcessMemoryInformation::RendererProcessType renderer_type =
browser.processes[index].renderer_type;
switch (renderer_type) {
case ProcessMemoryInformation::RENDERER_EXTENSION:
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.Extension.OpenFDs",
num_open_fds);
}
extension_count++;
continue;
case ProcessMemoryInformation::RENDERER_CHROME:
if (num_open_fds != -1)
UMA_HISTOGRAM_COUNTS_10000("Memory.Chrome.OpenFDs", num_open_fds);
chrome_count++;
continue;
case ProcessMemoryInformation::RENDERER_UNKNOWN:
NOTREACHED() << "Unknown renderer process type.";
continue;
case ProcessMemoryInformation::RENDERER_NORMAL:
default:
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.Renderer.OpenFDs",
num_open_fds);
}
renderer_count++;
continue;
}
}
case content::PROCESS_TYPE_UTILITY:
if (num_open_fds != -1)
UMA_HISTOGRAM_COUNTS_10000("Memory.Utility.OpenFDs", num_open_fds);
continue;
case content::PROCESS_TYPE_ZYGOTE:
if (num_open_fds != -1)
UMA_HISTOGRAM_COUNTS_10000("Memory.Zygote.OpenFDs", num_open_fds);
continue;
case content::PROCESS_TYPE_SANDBOX_HELPER:
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.SandboxHelper.OpenFDs",
num_open_fds);
}
continue;
case content::PROCESS_TYPE_GPU:
if (num_open_fds != -1 && open_fds_soft_limit != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.Gpu.OpenFDs", num_open_fds);
UMA_HISTOGRAM_COUNTS_10000("Memory.Gpu.OpenFDsSoftLimit",
open_fds_soft_limit);
}
continue;
#if BUILDFLAG(ENABLE_PLUGINS)
case content::PROCESS_TYPE_PPAPI_PLUGIN: {
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.PepperPlugin.OpenFDs",
num_open_fds);
}
continue;
}
case content::PROCESS_TYPE_PPAPI_BROKER:
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.PepperPluginBroker.OpenFDs",
num_open_fds);
}
continue;
#endif
case PROCESS_TYPE_NACL_LOADER:
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.NativeClient.OpenFDs",
num_open_fds);
}
continue;
case PROCESS_TYPE_NACL_BROKER:
if (num_open_fds != -1) {
UMA_HISTOGRAM_COUNTS_10000("Memory.NativeClientBroker.OpenFDs",
num_open_fds);
}
continue;
default:
NOTREACHED();
continue;
}
}
#if defined(OS_CHROMEOS)
// Chrome OS exposes system-wide graphics driver memory which has historically
// been a source of leak/bloat.
base::SystemMemoryInfoKB meminfo;
if (base::GetSystemMemoryInfo(&meminfo) && meminfo.gem_size != -1)
UMA_HISTOGRAM_MEMORY_MB("Memory.Graphics", meminfo.gem_size / 1024 / 1024);
#endif
// Predict the number of processes needed when isolating all sites and when
// isolating only HTTPS sites.
int all_renderer_count = renderer_count + chrome_count + extension_count;
int non_renderer_count = browser.processes.size() - all_renderer_count;
DCHECK_GE(non_renderer_count, 1);
UpdateSiteIsolationMetrics(all_renderer_count, non_renderer_count);
UMA_HISTOGRAM_COUNTS_100("Memory.ProcessCount",
static_cast<int>(browser.processes.size()));
UMA_HISTOGRAM_COUNTS_100("Memory.ExtensionProcessCount", extension_count);
UMA_HISTOGRAM_COUNTS_100("Memory.RendererProcessCount", renderer_count);
size_t initialized_and_not_dead_rphs, all_rphs;
CountRenderProcessHosts(&initialized_and_not_dead_rphs, &all_rphs);
UMA_HISTOGRAM_COUNTS_100("Memory.RenderProcessHost.Count.All", all_rphs);
UMA_HISTOGRAM_COUNTS_100(
"Memory.RenderProcessHost.Count.InitializedAndNotDead",
initialized_and_not_dead_rphs);
leveldb_chrome::UpdateHistograms();
}
void MetricsMemoryDetails::UpdateSiteIsolationMetrics(int all_renderer_count,
int non_renderer_count) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
// Track site data for predicting process counts with out-of-process iframes.
// See site_details.h.
BrowserContextSiteDataMap site_data_map;
// First pass, collate the widgets by process ID.
std::unique_ptr<content::RenderWidgetHostIterator> widget_it(
content::RenderWidgetHost::GetRenderWidgetHosts());
while (content::RenderWidgetHost* widget = widget_it->GetNextHost()) {
// Ignore processes that don't have a connection, such as crashed tabs,
// or processes that are still launching.
if (!widget->GetProcess()->IsReady())
continue;
content::RenderViewHost* rvh = content::RenderViewHost::From(widget);
if (!rvh)
continue;
content::WebContents* contents =
content::WebContents::FromRenderViewHost(rvh);
if (!contents)
continue;
// If this is a RVH for a subframe; skip it to avoid double-counting the
// WebContents.
if (rvh != contents->GetRenderViewHost())
continue;
// The rest of this block will happen only once per WebContents.
SiteData& site_data = site_data_map[contents->GetBrowserContext()];
SiteDetails::CollectSiteInfo(contents, &site_data);
}
SiteDetails::UpdateHistograms(site_data_map, all_renderer_count,
non_renderer_count);
}