Add Startup.BrowserView.FirstPaint / .CompositingEnded histograms.

components/startup_metric_utils/browser/startup_metric_utils.cc

 // Copyright 2013 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 "components/startup_metric_utils/browser/startup_metric_utils.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
@@ skipping 21 matching lines @@
 #include <winternl.h>
 #include "base/win/win_util.h"
 #endif
 
 namespace startup_metric_utils {
 
 namespace {
 
 // Mark as volatile to defensively make sure usage is thread-safe.
 // Note that at the time of this writing, access is only on the UI thread.
-volatile bool g_non_browser_ui_displayed = false;
+volatile bool g_main_window_startup_interrupted = false;
 
 base::LazyInstance<base::TimeTicks>::Leaky g_process_creation_ticks =
     LAZY_INSTANCE_INITIALIZER;
 
 base::LazyInstance<base::TimeTicks>::Leaky g_browser_main_entry_point_ticks =
     LAZY_INSTANCE_INITIALIZER;
 
 base::LazyInstance<base::TimeTicks>::Leaky g_renderer_main_entry_point_ticks =
     LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 497 matching lines @@
 
 }  // namespace
 
 void RegisterPrefs(PrefRegistrySimple* registry) {
   DCHECK(registry);
   registry->RegisterInt64Pref(prefs::kLastStartupTimestamp, 0);
   registry->RegisterStringPref(prefs::kLastStartupVersion, std::string());
   registry->RegisterIntegerPref(prefs::kSameVersionStartupCount, 0);
 }
 
-bool WasNonBrowserUIDisplayed() {
-  return g_non_browser_ui_displayed;
+bool WasMainWindowStartupInterrupted() {
+  return g_main_window_startup_interrupted;
 }
 
 void SetNonBrowserUIDisplayed() {
-  g_non_browser_ui_displayed = true;
+  g_main_window_startup_interrupted = true;
+}
+
+void SetBackgroundModeEnabled() {
+  g_main_window_startup_interrupted = true;
 }
 
 void RecordStartupProcessCreationTime(const base::Time& time) {
   DCHECK(g_process_creation_ticks.Get().is_null());
   g_process_creation_ticks.Get() = StartupTimeToTimeTicks(time);
   DCHECK(!g_process_creation_ticks.Get().is_null());
 }
 
 void RecordMainEntryPointTime(const base::Time& time) {
   DCHECK(g_browser_main_entry_point_ticks.Get().is_null());
@@ skipping 79 matching lines @@
         UMA_HISTOGRAM_LONG_TIMES, "Startup.LoadTime.ProcessCreateToDllMain2",
         main_entry_ticks - process_creation_ticks);
   }
 }
 
 void RecordBrowserWindowDisplay(const base::TimeTicks& ticks) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
     return;
 
   UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE_AND_SAME_VERSION_COUNT(
       UMA_HISTOGRAM_LONG_TIMES, "Startup.BrowserWindowDisplay",
       g_process_creation_ticks.Get(), ticks);
 }
 
 void RecordBrowserOpenTabsDelta(const base::TimeDelta& delta) {
   static bool is_first_call = true;
   if (!is_first_call)
     return;
   is_first_call = false;
 
   UMA_HISTOGRAM_WITH_TEMPERATURE_AND_SAME_VERSION_COUNT(
       UMA_HISTOGRAM_LONG_TIMES_100, "Startup.BrowserOpenTabs", delta);
 }
 
 void RecordRendererMainEntryTime(const base::TimeTicks& ticks) {
   // Record the renderer main entry time, but don't log the UMA metric
   // immediately because the startup temperature is not known yet.
   if (g_renderer_main_entry_point_ticks.Get().is_null())
     g_renderer_main_entry_point_ticks.Get() = ticks;
 }
 
 void RecordFirstWebContentsMainFrameLoad(const base::TimeTicks& ticks) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
     return;
 
   UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE_AND_SAME_VERSION_COUNT(
       UMA_HISTOGRAM_LONG_TIMES_100, "Startup.FirstWebContents.MainFrameLoad2",
       g_process_creation_ticks.Get(), ticks);
 }
 
 void RecordFirstWebContentsNonEmptyPaint(const base::TimeTicks& ticks) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
 
   // Log Startup.BrowserMainToRendererMain now that the first renderer main
   // entry time and the startup temperature are known.
   RecordRendererMainEntryHistogram();
 
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
     return;
 
   base::StackSamplingProfiler::SetProcessMilestone(
       metrics::CallStackProfileMetricsProvider::FIRST_NONEMPTY_PAINT);
   UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE_AND_SAME_VERSION_COUNT(
       UMA_HISTOGRAM_LONG_TIMES_100, "Startup.FirstWebContents.NonEmptyPaint2",
       g_process_creation_ticks.Get(), ticks);
 }
 
 void RecordFirstWebContentsMainNavigationStart(const base::TimeTicks& ticks,
                                                WebContentsWorkload workload) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
     return;
 
   base::StackSamplingProfiler::SetProcessMilestone(
       metrics::CallStackProfileMetricsProvider::MAIN_NAVIGATION_START);
   UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE_AND_SAME_VERSION_COUNT(
       UMA_HISTOGRAM_LONG_TIMES_100,
       "Startup.FirstWebContents.MainNavigationStart",
       g_process_creation_ticks.Get(), ticks);
 
   // Log extra information about this startup's workload. Only added to this
@@ skipping 11 matching lines @@
         ticks - g_process_creation_ticks.Get());
   }
 }
 
 void RecordFirstWebContentsMainNavigationFinished(
     const base::TimeTicks& ticks) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
     return;
 
   base::StackSamplingProfiler::SetProcessMilestone(
       metrics::CallStackProfileMetricsProvider::MAIN_NAVIGATION_FINISHED);
   UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE_AND_SAME_VERSION_COUNT(
       UMA_HISTOGRAM_LONG_TIMES_100,
       "Startup.FirstWebContents.MainNavigationFinished",
       g_process_creation_ticks.Get(), ticks);
 }
 
+void RecordBrowserViewFirstPaint(const base::TimeTicks& ticks) {
+  static bool is_first_call = true;
+  if (!is_first_call || ticks.is_null())
+    return;
+  is_first_call = false;
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
+    return;
+
+  UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE(
+      UMA_HISTOGRAM_LONG_TIMES_100, "Startup.BrowserView.FirstPaint",
+      ticks - g_process_creation_ticks.Get());
+}
+
+void RecordBrowserViewFirstPaintCompositingEnded(const base::TimeTicks& ticks) {
+  static bool is_first_call = true;
+  if (!is_first_call || ticks.is_null())
+    return;
+  is_first_call = false;
+  if (WasMainWindowStartupInterrupted() ||
+      g_process_creation_ticks.Get().is_null())
+    return;
+
+  UMA_HISTOGRAM_AND_TRACE_WITH_TEMPERATURE(
+      UMA_HISTOGRAM_LONG_TIMES_100,
+      "Startup.BrowserView.FirstPaint.CompositingEnded",
+      g_process_creation_ticks.Get(), ticks);
+}
+
 base::TimeTicks MainEntryPointTicks() {
   return g_browser_main_entry_point_ticks.Get();
 }
 
 }  // namespace startup_metric_utils