Log V8 version in profiler log file.

src/log-utils.cc

 // Copyright 2009 the V8 project 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 "src/v8.h"
 
 #include "src/log-utils.h"
 #include "src/string-stream.h"
+#include "src/version.h"
 
 namespace v8 {
 namespace internal {
 
 
 const char* const Log::kLogToTemporaryFile = "&";
 const char* const Log::kLogToConsole = "-";
 
 
 Log::Log(Logger* logger)
@@ skipping 23 matching lines @@
 
   // If we're logging anything, we need to open the log file.
   if (Log::InitLogAtStart()) {
     if (strcmp(log_file_name, kLogToConsole) == 0) {
       OpenStdout();
     } else if (strcmp(log_file_name, kLogToTemporaryFile) == 0) {
       OpenTemporaryFile();
     } else {
       OpenFile(log_file_name);
     }
+
+    if (output_handle_ != nullptr) {
+      Log::MessageBuilder msg(this);
+      msg.Append("v8-version,%d,%d,%d,%d,%d",
+                 Version::GetMajor(),
+                 Version::GetMinor(),
+                 Version::GetBuild(),
+                 Version::GetPatch(),
+                 Version::IsCandidate());
+      msg.WriteToLogFile();
+    }
   }
 }
 
 
 void Log::OpenStdout() {
   DCHECK(!IsEnabled());
   output_handle_ = stdout;
 }
 
 
@@ skipping 163 matching lines @@
   log_->message_buffer_[pos_++] = '\n';
   const int written = log_->WriteToFile(log_->message_buffer_, pos_);
   if (written != pos_) {
     log_->stop();
     log_->logger_->LogFailure();
   }
 }
 
 
 } }  // namespace v8::internal