Add snapshot mode for heap profiling.

test/cctest/test-log.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 //
 // Tests of logging functions from log.h
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 #ifdef __linux__
 #include <signal.h>
 #include <unistd.h>
 #endif
@@ skipping 148 matching lines @@
 static void SigProfSignalHandler(int signal, siginfo_t* info, void* context) {
   if (signal != SIGPROF) return;
   was_sigprof_received = true;
   old_sigprof_handler.sa_sigaction(signal, info, context);
 }
 
 #endif  // __linux__
 
 
 static int CheckThatProfilerWorks(int log_pos) {
-  Logger::ResumeProfiler();
+  Logger::ResumeProfiler(v8::PROFILER_MODULE_CPU);
   CHECK(LoggerTestHelper::IsSamplerActive());
 
   // Verify that the current map of compiled functions has been logged.
   EmbeddedVector<char, 102400> buffer;
   int map_log_size = GetLogLines(log_pos, &buffer);
   printf("map_log_size: %d\n", map_log_size);
   CHECK_GT(map_log_size, 0);
   CHECK_GT(buffer.length(), map_log_size);
   log_pos += map_log_size;
   // Check buffer contents.
@@ skipping 20 matching lines @@
                   "(function(x) { return %d * x; })(i); }",
                   log_pos);
   // Run code for 200 msecs to get some ticks.
   const double end_time = i::OS::TimeCurrentMillis() + 200;
   while (i::OS::TimeCurrentMillis() < end_time) {
     CompileAndRunScript(script_src.start());
     // Yield CPU to give Profiler thread a chance to process ticks.
     i::OS::Sleep(1);
   }
 
-  Logger::PauseProfiler();
+  Logger::PauseProfiler(v8::PROFILER_MODULE_CPU);
   CHECK(!LoggerTestHelper::IsSamplerActive());
 
   // Wait 50 msecs to allow Profiler thread to process the last
   // tick sample it has got.
   i::OS::Sleep(50);
 
   // Now we must have compiler and tick records.
   int log_size = GetLogLines(log_pos, &buffer);
   printf("log_size: %d\n", log_size);
   CHECK_GT(log_size, 0);
@@ skipping 518 matching lines @@
   // Make sure that all log data is written prior crash due to CHECK failure.
   fflush(stdout);
   CHECK(results_equal);
 
   env->Exit();
   Logger::TearDown();
   i::FLAG_always_compact = saved_always_compact;
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING