Bulk Reports - Add datetime metadata to traces.

content/browser/tracing/tracing_controller_impl.cc

 // Copyright (c) 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 "content/browser/tracing/tracing_controller_impl.h"
 
 #include "base/bind.h"
 #include "base/cpu.h"
 #include "base/files/file_util.h"
 #include "base/guid.h"
 #include "base/json/string_escape.h"
@@ skipping 150 matching lines @@
 
   std::unique_ptr<TracingDelegate> delegate(
       GetContentClient()->browser()->GetTracingDelegate());
   if (delegate)
     delegate->GenerateMetadataDict(metadata_dict.get());
 
   metadata_dict->SetString("clock-domain", GetClockString());
   metadata_dict->SetBoolean("highres-ticks",
                             base::TimeTicks::IsHighResolution());
 
+  base::Time::Exploded ctime;
+  base::Time::Now().UTCExplode(&ctime);
+  std::string time_string = base::StringPrintf("%u-%u-%u %d:%d:%d",
+      ctime.year, ctime.month, ctime.day_of_month, ctime.hour,
+      ctime.minute, ctime.second);
+  metadata_dict->SetString("trace-capture-datetime-ms", time_string);

[oystein (OOO til 10th of July), 2016/07/11 18:35:21]

Why -ms? 

+
   return metadata_dict;
 }
 
 }  // namespace
 
 TracingController* TracingController::GetInstance() {
   return TracingControllerImpl::GetInstance();
 }
 
 TracingControllerImpl::TracingControllerImpl()
@@ skipping 896 matching lines @@
   // Schedule the next queued dump (if applicable).
   if (!queued_memory_dump_requests_.empty()) {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&TracingControllerImpl::PerformNextQueuedGlobalMemoryDump,
                    base::Unretained(this)));
   }
 }
 
 }  // namespace content