New flag --perf_basic_prof_only_functions

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 "src/log.h"
 
 #include <cstdarg>
 #include <sstream>
 
 #include "src/v8.h"
@@ skipping 270 matching lines @@
   perf_output_handle_ = NULL;
 }
 
 
 void PerfBasicLogger::LogRecordedBuffer(Code* code,
                                        SharedFunctionInfo*,
                                        const char* name,
                                        int length) {
   DCHECK(code->instruction_start() == code->address() + Code::kHeaderSize);
 
+  if (FLAG_perf_basic_prof_only_functions &&
+      (code->kind() != Code::FUNCTION &&
+       code->kind() != Code::OPTIMIZED_FUNCTION)) {
+    return;
+  }
+
   base::OS::FPrint(perf_output_handle_, "%llx %x %.*s\n",
                    reinterpret_cast<uint64_t>(code->instruction_start()),
                    code->instruction_size(), length, name);
 }
 
 
 // Low-level logging support.
 #define LL_LOG(Call) if (ll_logger_) ll_logger_->Call;
 
 class LowLevelLogger : public CodeEventLogger {
@@ skipping 1597 matching lines @@
     removeCodeEventListener(jit_logger_);
     delete jit_logger_;
     jit_logger_ = NULL;
   }
 
   return log_->Close();
 }
 
 }  // namespace internal
 }  // namespace v8