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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1016 names[1] = v8::String::New(ProfileGenerator::kProgramEntryName); | 1016 names[1] = v8::String::New(ProfileGenerator::kProgramEntryName); |
1017 names[2] = v8::String::New("start"); | 1017 names[2] = v8::String::New("start"); |
1018 // Don't allow |foo| node to be at the top level. | 1018 // Don't allow |foo| node to be at the top level. |
1019 CheckChildrenNames(root, names); | 1019 CheckChildrenNames(root, names); |
1020 | 1020 |
1021 const v8::CpuProfileNode* startNode = GetChild(root, "start"); | 1021 const v8::CpuProfileNode* startNode = GetChild(root, "start"); |
1022 GetChild(startNode, "foo"); | 1022 GetChild(startNode, "foo"); |
1023 | 1023 |
1024 cpu_profiler->DeleteAllCpuProfiles(); | 1024 cpu_profiler->DeleteAllCpuProfiles(); |
1025 } | 1025 } |
| 1026 |
| 1027 |
| 1028 static const char* call_function_test_source = "function bar(iterations) {\n" |
| 1029 "}\n" |
| 1030 "function start(duration) {\n" |
| 1031 " var start = Date.now();\n" |
| 1032 " while (Date.now() - start < duration) {\n" |
| 1033 " try {\n" |
| 1034 " bar.call(this, 10 * 1000);\n" |
| 1035 " } catch(e) {}\n" |
| 1036 " }\n" |
| 1037 "}"; |
| 1038 |
| 1039 |
| 1040 // Test that if we sampled thread when it was inside FunctionCall buitin then |
| 1041 // its caller frame will be '(unresolved function)' as we have no reliable way |
| 1042 // to resolve it. |
| 1043 // |
| 1044 // [Top down]: |
| 1045 // 96 0 (root) [-1] #1 |
| 1046 // 1 1 (garbage collector) [-1] #4 |
| 1047 // 5 0 (unresolved function) [-1] #5 |
| 1048 // 5 5 call [-1] #6 |
| 1049 // 71 70 start [-1] #3 |
| 1050 // 1 1 bar [-1] #7 |
| 1051 // 19 19 (program) [-1] #2 |
| 1052 TEST(FunctionCallSample) { |
| 1053 LocalContext env; |
| 1054 v8::HandleScope scope(env->GetIsolate()); |
| 1055 |
| 1056 v8::Script::Compile(v8::String::New(call_function_test_source))->Run(); |
| 1057 v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast( |
| 1058 env->Global()->Get(v8::String::New("start"))); |
| 1059 |
| 1060 v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler(); |
| 1061 v8::Local<v8::String> profile_name = v8::String::New("my_profile"); |
| 1062 |
| 1063 cpu_profiler->StartCpuProfiling(profile_name); |
| 1064 int32_t duration_ms = 100; |
| 1065 v8::Handle<v8::Value> args[] = { v8::Integer::New(duration_ms) }; |
| 1066 function->Call(env->Global(), ARRAY_SIZE(args), args); |
| 1067 const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name); |
| 1068 |
| 1069 CHECK_NE(NULL, profile); |
| 1070 // Dump collected profile to have a better diagnostic in case of failure. |
| 1071 reinterpret_cast<i::CpuProfile*>( |
| 1072 const_cast<v8::CpuProfile*>(profile))->Print(); |
| 1073 |
| 1074 const v8::CpuProfileNode* root = profile->GetTopDownRoot(); |
| 1075 { |
| 1076 ScopedVector<v8::Handle<v8::String> > names(4); |
| 1077 names[0] = v8::String::New(ProfileGenerator::kGarbageCollectorEntryName); |
| 1078 names[1] = v8::String::New(ProfileGenerator::kProgramEntryName); |
| 1079 names[2] = v8::String::New("start"); |
| 1080 names[3] = v8::String::New(i::ProfileGenerator::kUnresolvedFunctionName); |
| 1081 // Don't allow |bar| and |call| nodes to be at the top level. |
| 1082 CheckChildrenNames(root, names); |
| 1083 } |
| 1084 |
| 1085 const v8::CpuProfileNode* startNode = GetChild(root, "start"); |
| 1086 { |
| 1087 ScopedVector<v8::Handle<v8::String> > names(1); |
| 1088 names[0] = v8::String::New("bar"); |
| 1089 CheckChildrenNames(startNode, names); |
| 1090 } |
| 1091 |
| 1092 const v8::CpuProfileNode* unresolvedNode = |
| 1093 FindChild(root, i::ProfileGenerator::kUnresolvedFunctionName); |
| 1094 if (unresolvedNode) { |
| 1095 ScopedVector<v8::Handle<v8::String> > names(1); |
| 1096 names[0] = v8::String::New("call"); |
| 1097 CheckChildrenNames(unresolvedNode, names); |
| 1098 } |
| 1099 |
| 1100 cpu_profiler->DeleteAllCpuProfiles(); |
| 1101 } |
| 1102 |
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