chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
   6
   7 #include <string>
   8
   9 #include "base/bind.h"
  10 #include "base/command_line.h"
  11 #include "base/cpu.h"
  12 #include "base/metrics/histogram.h"
  13 #include "base/metrics/sparse_histogram.h"
  14 #include "base/sys_info.h"
  15 #include "base/threading/sequenced_worker_pool.h"
  16 #include "base/time/time.h"
  17 #include "chrome/browser/about_flags.h"
  18 #include "chrome/browser/browser_process.h"
  19 #include "chrome/browser/chrome_browser_main.h"
  20 #include "chrome/browser/pref_service_flags_storage.h"
  21 #include "chrome/browser/shell_integration.h"
  22 #include "content/public/browser/browser_thread.h"
  23 #include "ui/base/touch/touch_device.h"
  24 #include "ui/base/ui_base_switches.h"
  25 #include "ui/events/event_switches.h"
  26
  27 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  28 #include <gnu/libc-version.h>
  29
  30 #include "base/version.h"
  31 #endif  // defined(OS_LINUX) && !defined(OS_CHROMEOS)
  32
  33 #if defined(OS_WIN)
  34 #include "chrome/installer/util/google_update_settings.h"
  35 #endif  // defined(OS_WIN)
  36
  37 namespace {
  38
  39 enum UMALinuxGlibcVersion {
  40   UMA_LINUX_GLIBC_NOT_PARSEABLE,
  41   UMA_LINUX_GLIBC_UNKNOWN,
  42   UMA_LINUX_GLIBC_2_11,
  43   UMA_LINUX_GLIBC_2_19 = UMA_LINUX_GLIBC_2_11 + 8,
  44   // NOTE: Add new version above this line and update the enum list in
  45   // tools/histograms/histograms.xml accordingly.
  46   UMA_LINUX_GLIBC_VERSION_COUNT
  47 };
  48
  49 enum UMATouchEventsState {
  50   UMA_TOUCH_EVENTS_ENABLED,
  51   UMA_TOUCH_EVENTS_AUTO_ENABLED,
  52   UMA_TOUCH_EVENTS_AUTO_DISABLED,
  53   UMA_TOUCH_EVENTS_DISABLED,
  54   // NOTE: Add states only immediately above this line. Make sure to
  55   // update the enum list in tools/histograms/histograms.xml accordingly.
  56   UMA_TOUCH_EVENTS_STATE_COUNT
  57 };
  58
  59 void RecordMicroArchitectureStats() {
  60 #if defined(ARCH_CPU_X86_FAMILY)
  61   base::CPU cpu;
  62   base::CPU::IntelMicroArchitecture arch = cpu.GetIntelMicroArchitecture();
  63   UMA_HISTOGRAM_ENUMERATION("Platform.IntelMaxMicroArchitecture", arch,
  64                             base::CPU::MAX_INTEL_MICRO_ARCHITECTURE);
  65 #endif  // defined(ARCH_CPU_X86_FAMILY)
  66   UMA_HISTOGRAM_SPARSE_SLOWLY("Platform.LogicalCpuCount",
  67                               base::SysInfo::NumberOfProcessors());
  68 }
  69
  70 // Called on the blocking pool some time after startup to avoid slowing down
  71 // startup with metrics that aren't trivial to compute.
  72 void RecordStartupMetricsOnBlockingPool() {
  73 #if defined(OS_WIN)
  74   GoogleUpdateSettings::RecordChromeUpdatePolicyHistograms();
  75 #endif  // defined(OS_WIN)
  76 }
  77
  78 void RecordLinuxGlibcVersion() {
  79 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  80   Version version(gnu_get_libc_version());
  81
  82   UMALinuxGlibcVersion glibc_version_result = UMA_LINUX_GLIBC_NOT_PARSEABLE;
  83   if (version.IsValid() && version.components().size() == 2) {
  84     glibc_version_result = UMA_LINUX_GLIBC_UNKNOWN;
  85     int glibc_major_version = version.components()[0];
  86     int glibc_minor_version = version.components()[1];
  87     if (glibc_major_version == 2) {
  88       // A constant to translate glibc 2.x minor versions to their
  89       // equivalent UMALinuxGlibcVersion values.
  90       const int kGlibcMinorVersionTranslationOffset = 11 - UMA_LINUX_GLIBC_2_11;
  91       int translated_glibc_minor_version =
  92           glibc_minor_version - kGlibcMinorVersionTranslationOffset;
  93       if (translated_glibc_minor_version >= UMA_LINUX_GLIBC_2_11 &&
  94           translated_glibc_minor_version <= UMA_LINUX_GLIBC_2_19) {
  95         glibc_version_result =
  96             static_cast<UMALinuxGlibcVersion>(translated_glibc_minor_version);
  97       }
  98     }
  99   }
 100   UMA_HISTOGRAM_ENUMERATION("Linux.GlibcVersion", glibc_version_result,
 101                             UMA_LINUX_GLIBC_VERSION_COUNT);
 102 #endif
 103 }
 104
 105 void RecordTouchEventState() {
 106   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 107   const std::string touch_enabled_switch =
 108       command_line.HasSwitch(switches::kTouchEvents) ?
 109       command_line.GetSwitchValueASCII(switches::kTouchEvents) :
 110       switches::kTouchEventsAuto;
 111
 112   UMATouchEventsState state;
 113   if (touch_enabled_switch.empty() ||
 114       touch_enabled_switch == switches::kTouchEventsEnabled) {
 115     state = UMA_TOUCH_EVENTS_ENABLED;
 116   } else if (touch_enabled_switch == switches::kTouchEventsAuto) {
 117     state = ui::IsTouchDevicePresent() ?
 118         UMA_TOUCH_EVENTS_AUTO_ENABLED : UMA_TOUCH_EVENTS_AUTO_DISABLED;
 119   } else if (touch_enabled_switch == switches::kTouchEventsDisabled) {
 120     state = UMA_TOUCH_EVENTS_DISABLED;
 121   } else {
 122     NOTREACHED();
 123     return;
 124   }
 125
 126   UMA_HISTOGRAM_ENUMERATION("Touchscreen.TouchEventsEnabled", state,
 127                             UMA_TOUCH_EVENTS_STATE_COUNT);
 128 }
 129
 130 }  // namespace
 131
 132 ChromeBrowserMainExtraPartsMetrics::ChromeBrowserMainExtraPartsMetrics() {
 133 }
 134
 135 ChromeBrowserMainExtraPartsMetrics::~ChromeBrowserMainExtraPartsMetrics() {
 136 }
 137
 138 void ChromeBrowserMainExtraPartsMetrics::PreProfileInit() {
 139   RecordMicroArchitectureStats();
 140 }
 141
 142 void ChromeBrowserMainExtraPartsMetrics::PreBrowserStart() {
 143   about_flags::PrefServiceFlagsStorage flags_storage_(
 144       g_browser_process->local_state());
 145   about_flags::RecordUMAStatistics(&flags_storage_);
 146 }
 147
 148 void ChromeBrowserMainExtraPartsMetrics::PostBrowserStart() {
 149   RecordLinuxGlibcVersion();
 150   RecordTouchEventState();
 151
 152   const int kStartupMetricsGatheringDelaySeconds = 45;
 153   content::BrowserThread::GetBlockingPool()->PostDelayedTask(
 154       FROM_HERE,
 155       base::Bind(&RecordStartupMetricsOnBlockingPool),
 156       base::TimeDelta::FromSeconds(kStartupMetricsGatheringDelaySeconds));
 157 }
 158
 159 namespace chrome {
 160
 161 void AddMetricsExtraParts(ChromeBrowserMainParts* main_parts) {
 162   main_parts->AddParts(new ChromeBrowserMainExtraPartsMetrics());
 163 }
 164
 165 }  // namespace chrome