Stability instrumentation: metrics for collection on crash

chrome/browser/chrome_browser_field_trials_desktop.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 "chrome/browser/chrome_browser_field_trials_desktop.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include <map>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/debug/activity_tracker.h"
 #include "base/feature_list.h"
 #include "base/files/file_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/field_trial_params.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/path_service.h"
 #include "base/time/time.h"
 #include "chrome/browser/prerender/prerender_field_trial.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
-#include "components/browser_watcher/features.h"
-#include "components/browser_watcher/stability_paths.h"
 #include "components/variations/variations_associated_data.h"
 #include "content/public/common/content_switches.h"
 #include "media/media_features.h"
 
 #if defined(OS_WIN)
 #include "base/win/pe_image.h"
 #include "chrome/install_static/install_util.h"
+#include "components/browser_watcher/features.h"
 #include "components/browser_watcher/stability_data_names.h"
+#include "components/browser_watcher/stability_metrics.h"
+#include "components/browser_watcher/stability_paths.h"
 #endif
 
 #if defined(OS_WIN)
 // http://blogs.msdn.com/oldnewthing/archive/2004/10/25/247180.aspx
 extern "C" IMAGE_DOS_HEADER __ImageBase;
 #endif
 
 namespace chrome {
 
 namespace {
@@ skipping 13 matching lines @@
                           "/" + params["server1"] + "/" + params["server2"] +
                           "/" + params["server3"] + "/" + params["server4"] +
                           "/" + params["server5"] + "/" + params["server6"];
 
   base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       switches::kWebRtcStunProbeTrialParameter, cmd_param);
 #endif
 }
 
 #if defined(OS_WIN)
-// DO NOT CHANGE VALUES. This is logged persistently in a histogram.
-enum StabilityDebuggingInitializationStatus {
-  INIT_SUCCESS = 0,
-  CREATE_STABILITY_DIR_FAILED = 1,
-  GET_STABILITY_FILE_PATH_FAILED = 2,
-  INIT_STATUS_MAX = 3
-};
-
-void LogStabilityDebuggingInitStatus(
-    StabilityDebuggingInitializationStatus status) {
-  UMA_HISTOGRAM_ENUMERATION("ActivityTracker.Record.InitStatus", status,
-                            INIT_STATUS_MAX);
-}
 
 // Record information about the chrome module.
 void RecordChromeModuleInfo(
     base::debug::GlobalActivityTracker* global_tracker) {
   DCHECK(global_tracker);
 
   base::debug::GlobalActivityTracker::ModuleInfo module;
   module.is_loaded = true;
   module.address = reinterpret_cast<uintptr_t>(&__ImageBase);
 
@@ skipping 29 matching lines @@
   // just how much of an arena is necessary.
   const size_t kMemorySize = 1 << 20;  // 1 MiB
   const int kStackDepth = 4;
   const uint64_t kAllocatorId = 0;
 
   // Ensure the stability directory exists and determine the stability file's
   // path.
   base::FilePath user_data_dir;
   if (!base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir) ||
       !base::CreateDirectory(browser_watcher::GetStabilityDir(user_data_dir))) {
-    LOG(ERROR) << "Failed to create the stability directory.";
-    LogStabilityDebuggingInitStatus(CREATE_STABILITY_DIR_FAILED);
     return;
   }
+  browser_watcher::LogStabilityRecordEvent(
+      browser_watcher::StabilityRecordEvent::kStabilityDirectoryExists);
+
   base::FilePath stability_file;
   if (!browser_watcher::GetStabilityFileForProcess(
           base::Process::Current(), user_data_dir, &stability_file)) {
-    LOG(ERROR) << "Failed to obtain stability file's path.";
-    LogStabilityDebuggingInitStatus(GET_STABILITY_FILE_PATH_FAILED);
     return;
   }
-  LogStabilityDebuggingInitStatus(INIT_SUCCESS);
+  browser_watcher::LogStabilityRecordEvent(
+      browser_watcher::StabilityRecordEvent::kGotStabilityPath);
 
   // Track code activities (such as posting task, blocking on locks, and
   // joining threads) that can cause hanging threads and general instability
   base::debug::GlobalActivityTracker::CreateWithFile(
       stability_file, kMemorySize, kAllocatorId,
       browser_watcher::kStabilityDebuggingFeature.name, kStackDepth);
 
   // Record basic information.
   base::debug::GlobalActivityTracker* global_tracker =
       base::debug::GlobalActivityTracker::Get();
   if (global_tracker) {
+    browser_watcher::LogStabilityRecordEvent(
+        browser_watcher::StabilityRecordEvent::kGotTracker);
     // Record product, version, channel, special build and platform.
     wchar_t exe_file[MAX_PATH] = {};
     CHECK(::GetModuleFileName(nullptr, exe_file, arraysize(exe_file)));
 
     base::string16 product_name;
     base::string16 version_number;
     base::string16 channel_name;
     base::string16 special_build;
     install_static::GetExecutableVersionDetails(exe_file, &product_name,
                                                 &version_number, &special_build,
@@ skipping 35 matching lines @@
 void SetupDesktopFieldTrials() {
   prerender::ConfigurePrerender();
   SetupStunProbeTrial();
 #if defined(OS_WIN)
   SetupStabilityDebugging();
   base::FeatureList::IsEnabled(features::kModuleDatabase);
 #endif  // defined(OS_WIN)
 }
 
 }  // namespace chrome