CPU profiler: increase the max number of captured frames.

src/log.cc

 // Copyright 2011 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 <stdarg.h>
 
 #include "src/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 1695 matching lines @@
     msg.Append(",1,");
     msg.AppendAddress(sample->external_callback);
   } else {
     msg.Append(",0,");
     msg.AppendAddress(sample->tos);
   }
   msg.Append(",%d", static_cast<int>(sample->state));
   if (overflow) {
     msg.Append(",overflow");
   }
-  for (int i = 0; i < sample->frames_count; ++i) {
+  for (unsigned i = 0; i < sample->frames_count; ++i) {
     msg.Append(',');
     msg.AppendAddress(sample->stack[i]);
   }
   msg.Append('\n');
   msg.WriteToLogFile();
 }
 
 
 void Logger::StopProfiler() {
   if (!log_->IsEnabled()) return;
@@ skipping 394 matching lines @@
   if (jit_logger_) {
     removeCodeEventListener(jit_logger_);
     delete jit_logger_;
     jit_logger_ = NULL;
   }
 
   return log_->Close();
 }
 
 } }  // namespace v8::internal