Process names, and predictable thread and process ordering in about:tracing

content/gpu/gpu_main.cc

 // Copyright (c) 2012 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 <stdlib.h>
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "content/child/child_process.h"
+#include "content/common/content_constants_internal.h"
 #include "content/common/gpu/gpu_config.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/sandbox_linux.h"
 #include "content/gpu/gpu_child_thread.h"
 #include "content/gpu/gpu_process.h"
 #include "content/gpu/gpu_watchdog_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "crypto/hmac.h"
@@ skipping 47 matching lines @@
   deferred_messages.Get().push(new GpuHostMsg_OnLogMessage(
       severity, header, message));
   return false;
 }
 
 }  // namespace anonymous
 
 // Main function for starting the Gpu process.
 int GpuMain(const MainFunctionParams& parameters) {
   TRACE_EVENT0("gpu", "GpuMain");
+  base::debug::TraceLog::GetInstance()->SetProcessName("GPU Process");
+  base::debug::TraceLog::GetInstance()->SetProcessSortIndex(
+      kTraceEventGpuProcessSortIndex);
 
   const CommandLine& command_line = parameters.command_line;
   if (command_line.HasSwitch(switches::kGpuStartupDialog)) {
     ChildProcess::WaitForDebugger("Gpu");
   }
 
   base::Time start_time = base::Time::Now();
 
   bool in_browser_process = command_line.HasSwitch(switches::kSingleProcess) ||
                             command_line.HasSwitch(switches::kInProcessGPU);
@@ skipping 326 matching lines @@
     return true;
   }
 
   return false;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace.
 
 }  // namespace content