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      1 // Copyright 2013 the V8 project authors. All rights reserved.
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      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
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      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
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     11 //       with the distribution.
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     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
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     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 //
     28 // Tests of profiles generator and utilities.
     29 
     30 #include "test/cctest/profiler-extension.h"
     31 #include "src/checks.h"
     32 
     33 namespace v8 {
     34 namespace internal {
     35 
     36 
     37 v8::CpuProfile* ProfilerExtension::last_profile = NULL;
     38 const char* ProfilerExtension::kSource =
     39     "native function startProfiling();"
     40     "native function stopProfiling();";
     41 
     42 v8::Handle<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate(
     43     v8::Isolate* isolate, v8::Handle<v8::String> name) {
     44   if (name->Equals(v8::String::NewFromUtf8(isolate, "startProfiling"))) {
     45     return v8::FunctionTemplate::New(isolate,
     46                                      ProfilerExtension::StartProfiling);
     47   } else if (name->Equals(v8::String::NewFromUtf8(isolate, "stopProfiling"))) {
     48     return v8::FunctionTemplate::New(isolate,
     49                                      ProfilerExtension::StopProfiling);
     50   } else {
     51     CHECK(false);
     52     return v8::Handle<v8::FunctionTemplate>();
     53   }
     54 }
     55 
     56 
     57 void ProfilerExtension::StartProfiling(
     58     const v8::FunctionCallbackInfo<v8::Value>& args) {
     59   last_profile = NULL;
     60   v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
     61   cpu_profiler->StartProfiling((args.Length() > 0)
     62       ? args[0].As<v8::String>()
     63       : v8::String::Empty(args.GetIsolate()));
     64 }
     65 
     66 
     67 void ProfilerExtension::StopProfiling(
     68     const v8::FunctionCallbackInfo<v8::Value>& args) {
     69   v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
     70   last_profile = cpu_profiler->StopProfiling((args.Length() > 0)
     71       ? args[0].As<v8::String>()
     72       : v8::String::Empty(args.GetIsolate()));
     73 }
     74 
     75 } }  // namespace v8::internal
     76