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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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898 i::OS::SNPrintF(title, "%d", i); | 898 i::OS::SNPrintF(title, "%d", i); |
899 // UID must be > 0. | 899 // UID must be > 0. |
900 CHECK(collection.StartProfiling(title.start(), i + 1, false)); | 900 CHECK(collection.StartProfiling(title.start(), i + 1, false)); |
901 titles[i] = title.start(); | 901 titles[i] = title.start(); |
902 } | 902 } |
903 CHECK(!collection.StartProfiling( | 903 CHECK(!collection.StartProfiling( |
904 "maximum", CpuProfilesCollection::kMaxSimultaneousProfiles + 1, false)); | 904 "maximum", CpuProfilesCollection::kMaxSimultaneousProfiles + 1, false)); |
905 for (int i = 0; i < CpuProfilesCollection::kMaxSimultaneousProfiles; ++i) | 905 for (int i = 0; i < CpuProfilesCollection::kMaxSimultaneousProfiles; ++i) |
906 i::DeleteArray(titles[i]); | 906 i::DeleteArray(titles[i]); |
907 } | 907 } |
908 | |
909 | |
910 static const v8::CpuProfileNode* PickChild(const v8::CpuProfileNode* parent, | |
911 const char* name) { | |
912 for (int i = 0; i < parent->GetChildrenCount(); ++i) { | |
913 const v8::CpuProfileNode* child = parent->GetChild(i); | |
914 v8::String::AsciiValue function_name(child->GetFunctionName()); | |
915 if (strcmp(*function_name, name) == 0) return child; | |
916 } | |
917 return NULL; | |
918 } | |
919 | |
920 | |
921 TEST(ProfileNodeScriptId) { | |
922 // This test does not pass with inlining enabled since inlined functions | |
923 // don't appear in the stack trace. | |
924 i::FLAG_use_inlining = false; | |
925 | |
926 const char* extensions[] = { "v8/profiler" }; | |
927 v8::ExtensionConfiguration config(1, extensions); | |
928 LocalContext env(&config); | |
929 v8::HandleScope hs(env->GetIsolate()); | |
930 | |
931 v8::CpuProfiler* profiler = env->GetIsolate()->GetCpuProfiler(); | |
932 CHECK_EQ(0, profiler->GetProfileCount()); | |
933 v8::Handle<v8::Script> script_a = v8::Script::Compile(v8::String::New( | |
934 "function a() { startProfiling(); }\n")); | |
935 script_a->Run(); | |
936 v8::Handle<v8::Script> script_b = v8::Script::Compile(v8::String::New( | |
937 "function b() { a(); }\n" | |
938 "b();\n" | |
939 "stopProfiling();\n")); | |
940 script_b->Run(); | |
941 CHECK_EQ(1, profiler->GetProfileCount()); | |
942 const v8::CpuProfile* profile = profiler->GetCpuProfile(0); | |
943 const v8::CpuProfileNode* current = profile->GetTopDownRoot(); | |
944 reinterpret_cast<ProfileNode*>( | |
945 const_cast<v8::CpuProfileNode*>(current))->Print(0); | |
946 // The tree should look like this: | |
947 // (root) | |
948 // (anonymous function) | |
949 // b | |
950 // a | |
951 // There can also be: | |
952 // startProfiling | |
953 // if the sampler managed to get a tick. | |
954 current = PickChild(current, i::ProfileGenerator::kAnonymousFunctionName); | |
955 CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current)); | |
956 | |
957 current = PickChild(current, "b"); | |
958 CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current)); | |
959 CHECK_EQ(script_b->GetId(), current->GetScriptId()); | |
960 | |
961 current = PickChild(current, "a"); | |
962 CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current)); | |
963 CHECK_EQ(script_a->GetId(), current->GetScriptId()); | |
964 } | |
965 | |
966 | |
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