Provides a second version of addTraceEvent that accepts a timestamp. This is in preparation for the…

content/child/blink_platform_impl.cc

 // Copyright 2014 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/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 585 matching lines @@
 static_assert(
     sizeof(blink::Platform::TraceEventHandle) ==
         sizeof(base::debug::TraceEventHandle),
     "TraceEventHandle types must be same size");
 
 blink::Platform::TraceEventHandle BlinkPlatformImpl::addTraceEvent(
     char phase,
     const unsigned char* category_group_enabled,
     const char* name,
     unsigned long long id,
+    double timestamp,
     int num_args,
     const char** arg_names,
     const unsigned char* arg_types,
     const unsigned long long* arg_values,
     unsigned char flags) {
-  base::debug::TraceEventHandle handle = TRACE_EVENT_API_ADD_TRACE_EVENT(
-      phase, category_group_enabled, name, id,
-      num_args, arg_names, arg_types, arg_values, NULL, flags);
+  base::TimeTicks timestamp_tt = base::TimeTicks::FromInternalValue(
+      static_cast<int64>(timestamp * base::Time::kMicrosecondsPerSecond));
+  base::debug::TraceEventHandle handle =
+      TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP(
+          phase, category_group_enabled, name, id,
+          base::PlatformThread::CurrentId(),
+          timestamp_tt,
+          num_args, arg_names, arg_types, arg_values, NULL, flags);
   blink::Platform::TraceEventHandle result;
   memcpy(&result, &handle, sizeof(result));
   return result;
 }
 
 blink::Platform::TraceEventHandle BlinkPlatformImpl::addTraceEvent(
     char phase,
     const unsigned char* category_group_enabled,
     const char* name,
     unsigned long long id,
+    double timestamp,
     int num_args,
     const char** arg_names,
     const unsigned char* arg_types,
     const unsigned long long* arg_values,
     const blink::WebConvertableToTraceFormat* convertable_values,
     unsigned char flags) {
   scoped_refptr<base::debug::ConvertableToTraceFormat> convertable_wrappers[2];
   if (convertable_values) {
     size_t size = std::min(static_cast<size_t>(num_args),
                            arraysize(convertable_wrappers));
     for (size_t i = 0; i < size; ++i) {
       if (arg_types[i] == TRACE_VALUE_TYPE_CONVERTABLE) {
         convertable_wrappers[i] =
             new ConvertableToTraceFormatWrapper(convertable_values[i]);
       }
     }
   }
+  base::TimeTicks timestamp_tt = base::TimeTicks::FromInternalValue(
+      static_cast<int64>(timestamp * base::Time::kMicrosecondsPerSecond));
   base::debug::TraceEventHandle handle =
-      TRACE_EVENT_API_ADD_TRACE_EVENT(phase,
+      TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP(phase,
                                       category_group_enabled,
                                       name,
                                       id,
+                                      base::PlatformThread::CurrentId(),
+                                      timestamp_tt,
                                       num_args,
                                       arg_names,
                                       arg_types,
                                       arg_values,
                                       convertable_wrappers,
                                       flags);
   blink::Platform::TraceEventHandle result;
   memcpy(&result, &handle, sizeof(result));
   return result;
 }
 
+blink::Platform::TraceEventHandle BlinkPlatformImpl::addTraceEvent(
+    char phase,
+    const unsigned char* category_group_enabled,
+    const char* name,
+    unsigned long long id,
+    int num_args,
+    const char** arg_names,
+    const unsigned char* arg_types,
+    const unsigned long long* arg_values,
+    unsigned char flags) {
+  return addTraceEvent(phase, category_group_enabled, name, id,
+                       monotonicallyIncreasingTime(),
+                       num_args, arg_names, arg_types, arg_values, flags);
+}
+
+blink::Platform::TraceEventHandle BlinkPlatformImpl::addTraceEvent(
+    char phase,
+    const unsigned char* category_group_enabled,
+    const char* name,
+    unsigned long long id,
+    int num_args,
+    const char** arg_names,
+    const unsigned char* arg_types,
+    const unsigned long long* arg_values,
+    const blink::WebConvertableToTraceFormat* convertable_values,
+    unsigned char flags) {
+  return addTraceEvent(phase, category_group_enabled, name, id,
+                       monotonicallyIncreasingTime(),
+                       num_args, arg_names, arg_types, arg_values,
+                       convertable_values, flags);
+}
+
 void BlinkPlatformImpl::updateTraceEventDuration(
     const unsigned char* category_group_enabled,
     const char* name,
     TraceEventHandle handle) {
   base::debug::TraceEventHandle traceEventHandle;
   memcpy(&traceEventHandle, &handle, sizeof(handle));
   TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION(
       category_group_enabled, name, traceEventHandle);
 }
 
@@ skipping 570 matching lines @@
 }
 
 // static
 void BlinkPlatformImpl::DestroyCurrentThread(void* thread) {
   WebThreadImplForMessageLoop* impl =
       static_cast<WebThreadImplForMessageLoop*>(thread);
   delete impl;
 }
 
 }  // namespace content