Increase profiling interval in test-cpu-profiler/CollectCpuProfile to 500ms on Windows

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 448 matching lines @@
 "function bar() { delay(); }\n"
 "function baz() { delay(); }\n"
 "function foo() {\n"
 "    try {\n"
 "       delay();\n"
 "       bar();\n"
 "       delay();\n"
 "       baz();\n"
 "    } catch (e) { }\n"
 "}\n"
-"function start() {\n"
+"function start(timeout) {\n"
 "  var start = Date.now();\n"
 "  do {\n"
 "    foo();\n"
 "    var duration = Date.now() - start;\n"
-"  } while (duration < 200);\n"
+"  } while (duration < timeout);\n"
 "  return duration;\n"
 "}\n";
 
 
 // Check that the profile tree for the script above will look like the
 // following:
 //
 // [Top down]:
 //  1062     0   (root) [-1]
 //  1054     0    start [-1]
@@ skipping 13 matching lines @@
   v8::HandleScope scope(env->GetIsolate());
 
   v8::Script::Compile(v8::String::New(cpu_profiler_test_source))->Run();
   v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
       env->Global()->Get(v8::String::New("start")));
 
   v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
   v8::Local<v8::String> profile_name = v8::String::New("my_profile");
 
   cpu_profiler->StartCpuProfiling(profile_name);
-  function->Call(env->Global(), 0, 0);
+  int32_t profiling_interval_ms = 200;
+#if defined(_WIN32) || defined(_WIN64)
+  // 200ms is not enough on Windows. See
+  // https://code.google.com/p/v8/issues/detail?id=2628
+  profiling_interval_ms = 500;
+#endif
+  v8::Handle<v8::Value> args[] = { v8::Integer::New(profiling_interval_ms) };
+  function->Call(env->Global(), ARRAY_SIZE(args), args);
   const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
 
   CHECK_NE(NULL, profile);
   // Dump collected profile to have a better diagnostic in case of failure.
   reinterpret_cast<i::CpuProfile*>(
       const_cast<v8::CpuProfile*>(profile))->Print();
 
   const v8::CpuProfileNode* root = profile->GetTopDownRoot();
 
   ScopedVector<v8::Handle<v8::String> > names(3);
@@ skipping 10 matching lines @@
 
   const char* barBranch[] = { "bar", "delay", "loop" };
   CheckSimpleBranch(fooNode, barBranch, ARRAY_SIZE(barBranch));
   const char* bazBranch[] = { "baz", "delay", "loop" };
   CheckSimpleBranch(fooNode, bazBranch, ARRAY_SIZE(bazBranch));
   const char* delayBranch[] = { "delay", "loop" };
   CheckSimpleBranch(fooNode, delayBranch, ARRAY_SIZE(delayBranch));
 
   cpu_profiler->DeleteAllCpuProfiles();
 }