| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "platform/assert.h" |
| |
| #include "vm/dart_api_impl.h" |
| #include "vm/dart_api_state.h" |
| #include "vm/globals.h" |
| #include "vm/profiler.h" |
| #include "vm/profiler_service.h" |
| #include "vm/unit_test.h" |
| |
| namespace dart { |
| |
| class ProfileSampleBufferTestHelper { |
| public: |
| static intptr_t IterateCount(const Isolate* isolate, |
| const SampleBuffer& sample_buffer) { |
| intptr_t c = 0; |
| for (intptr_t i = 0; i < sample_buffer.capacity(); i++) { |
| Sample* sample = sample_buffer.At(i); |
| if (sample->isolate() != isolate) { |
| continue; |
| } |
| c++; |
| } |
| return c; |
| } |
| |
| |
| static intptr_t IterateSumPC(const Isolate* isolate, |
| const SampleBuffer& sample_buffer) { |
| intptr_t c = 0; |
| for (intptr_t i = 0; i < sample_buffer.capacity(); i++) { |
| Sample* sample = sample_buffer.At(i); |
| if (sample->isolate() != isolate) { |
| continue; |
| } |
| c += sample->At(0); |
| } |
| return c; |
| } |
| }; |
| |
| |
| TEST_CASE(Profiler_SampleBufferWrapTest) { |
| SampleBuffer* sample_buffer = new SampleBuffer(3); |
| Isolate* i = reinterpret_cast<Isolate*>(0x1); |
| EXPECT_EQ(0, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer)); |
| Sample* s; |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| s->SetAt(0, 2); |
| EXPECT_EQ(2, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer)); |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| s->SetAt(0, 4); |
| EXPECT_EQ(6, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer)); |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| s->SetAt(0, 6); |
| EXPECT_EQ(12, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer)); |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| s->SetAt(0, 8); |
| EXPECT_EQ(18, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer)); |
| delete sample_buffer; |
| } |
| |
| |
| TEST_CASE(Profiler_SampleBufferIterateTest) { |
| SampleBuffer* sample_buffer = new SampleBuffer(3); |
| Isolate* i = reinterpret_cast<Isolate*>(0x1); |
| EXPECT_EQ(0, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer)); |
| Sample* s; |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| EXPECT_EQ(1, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer)); |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| EXPECT_EQ(2, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer)); |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| EXPECT_EQ(3, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer)); |
| s = sample_buffer->ReserveSample(); |
| s->Init(i, 0, 0); |
| EXPECT_EQ(3, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer)); |
| delete sample_buffer; |
| } |
| |
| |
| TEST_CASE(Profiler_AllocationSampleTest) { |
| Isolate* isolate = Isolate::Current(); |
| SampleBuffer* sample_buffer = new SampleBuffer(3); |
| Sample* sample = sample_buffer->ReserveSample(); |
| sample->Init(isolate, 0, 0); |
| sample->set_metadata(99); |
| sample->set_is_allocation_sample(true); |
| EXPECT_EQ(99, sample->allocation_cid()); |
| delete sample_buffer; |
| } |
| |
| static RawClass* GetClass(const Library& lib, const char* name) { |
| const Class& cls = Class::Handle( |
| lib.LookupClassAllowPrivate(String::Handle(Symbols::New(name)))); |
| EXPECT(!cls.IsNull()); // No ambiguity error expected. |
| return cls.raw(); |
| } |
| |
| |
| class AllocationFilter : public SampleFilter { |
| public: |
| explicit AllocationFilter(Isolate* isolate, intptr_t cid) |
| : SampleFilter(isolate), |
| cid_(cid) { |
| } |
| |
| bool FilterSample(Sample* sample) { |
| return sample->is_allocation_sample() && (sample->allocation_cid() == cid_); |
| } |
| |
| private: |
| intptr_t cid_; |
| }; |
| |
| |
| TEST_CASE(Profiler_TrivialRecordAllocation) { |
| const char* kScript = |
| "class A {\n" |
| " var a;\n" |
| " var b;\n" |
| "}\n" |
| "class B {\n" |
| " static boo() {\n" |
| " return new A();\n" |
| " }\n" |
| "}\n" |
| "main() {\n" |
| " return B.boo();\n" |
| "}\n"; |
| |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| |
| const Class& class_a = Class::Handle(GetClass(root_library, "A")); |
| EXPECT(!class_a.IsNull()); |
| class_a.SetTraceAllocation(true); |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("main"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| |
| { |
| Isolate* isolate = Isolate::Current(); |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, class_a.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have 1 allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| // Exclusive code: B.boo -> main. |
| walker.Reset(Profile::kExclusiveCode); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| |
| // Inclusive code: main -> B.boo. |
| walker.Reset(Profile::kInclusiveCode); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| |
| // Exclusive function: B.boo -> main. |
| walker.Reset(Profile::kExclusiveFunction); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| |
| // Inclusive function: main -> B.boo. |
| walker.Reset(Profile::kInclusiveFunction); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| } |
| |
| |
| TEST_CASE(Profiler_ToggleRecordAllocation) { |
| const char* kScript = |
| "class A {\n" |
| " var a;\n" |
| " var b;\n" |
| "}\n" |
| "class B {\n" |
| " static boo() {\n" |
| " return new A();\n" |
| " }\n" |
| "}\n" |
| "main() {\n" |
| " return B.boo();\n" |
| "}\n"; |
| |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| |
| const Class& class_a = Class::Handle(GetClass(root_library, "A")); |
| EXPECT(!class_a.IsNull()); |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("main"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| |
| { |
| Isolate* isolate = Isolate::Current(); |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, class_a.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have no allocation samples. |
| EXPECT_EQ(0, profile.sample_count()); |
| } |
| |
| // Turn on allocation tracing for A. |
| class_a.SetTraceAllocation(true); |
| |
| result = Dart_Invoke(lib, NewString("main"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| Isolate* isolate = Isolate::Current(); |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, class_a.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| // Exclusive code: B.boo -> main. |
| walker.Reset(Profile::kExclusiveCode); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| |
| // Inclusive code: main -> B.boo. |
| walker.Reset(Profile::kInclusiveCode); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| |
| // Exclusive function: boo -> main. |
| walker.Reset(Profile::kExclusiveFunction); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| |
| // Inclusive function: main -> boo. |
| walker.Reset(Profile::kInclusiveFunction); |
| // Move down from the root. |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("main", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("B.boo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| |
| // Turn off allocation tracing for A. |
| class_a.SetTraceAllocation(false); |
| |
| result = Dart_Invoke(lib, NewString("main"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| Isolate* isolate = Isolate::Current(); |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, class_a.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| } |
| } |
| |
| |
| TEST_CASE(Profiler_IntrinsicAllocation) { |
| const char* kScript = "double foo(double a, double b) => a + b;"; |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| Isolate* isolate = Isolate::Current(); |
| |
| const Class& double_class = |
| Class::Handle(isolate->object_store()->double_class()); |
| EXPECT(!double_class.IsNull()); |
| |
| Dart_Handle args[2] = { Dart_NewDouble(1.0), Dart_NewDouble(2.0), }; |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, double_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have no allocation samples. |
| EXPECT_EQ(0, profile.sample_count()); |
| } |
| |
| double_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, double_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| walker.Reset(Profile::kExclusiveCode); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_Double._add", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_Double.+", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("foo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| |
| double_class.SetTraceAllocation(false); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, double_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| } |
| } |
| |
| |
| TEST_CASE(Profiler_ArrayAllocation) { |
| const char* kScript = |
| "List foo() => new List(4);\n" |
| "List bar() => new List();\n"; |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| Isolate* isolate = Isolate::Current(); |
| |
| const Class& array_class = |
| Class::Handle(isolate->object_store()->array_class()); |
| EXPECT(!array_class.IsNull()); |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, array_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have no allocation samples. |
| EXPECT_EQ(0, profile.sample_count()); |
| } |
| |
| array_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, array_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| walker.Reset(Profile::kExclusiveCode); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_List._List", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("List.List", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("foo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| |
| array_class.SetTraceAllocation(false); |
| result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, array_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| } |
| |
| // Clear the samples. |
| ProfilerService::ClearSamples(); |
| |
| // Compile bar (many List objects allocated). |
| result = Dart_Invoke(lib, NewString("bar"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| // Enable again. |
| array_class.SetTraceAllocation(true); |
| |
| // Run bar. |
| result = Dart_Invoke(lib, NewString("bar"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, array_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| walker.Reset(Profile::kExclusiveCode); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_List._List", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_GrowableList._GrowableList", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("List.List", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("bar", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| } |
| |
| |
| TEST_CASE(Profiler_TypedArrayAllocation) { |
| const char* kScript = |
| "import 'dart:typed_data';\n" |
| "List foo() => new Float32List(4);\n"; |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| Isolate* isolate = Isolate::Current(); |
| |
| const Library& typed_data_library = |
| Library::Handle(isolate->object_store()->typed_data_library()); |
| |
| const Class& float32_list_class = |
| Class::Handle(GetClass(typed_data_library, "_Float32Array")); |
| EXPECT(!float32_list_class.IsNull()); |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, float32_list_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have no allocation samples. |
| EXPECT_EQ(0, profile.sample_count()); |
| } |
| |
| float32_list_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, float32_list_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| walker.Reset(Profile::kExclusiveCode); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_Float32Array._new", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_Float32Array._Float32Array", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("Float32List.Float32List", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("foo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| |
| float32_list_class.SetTraceAllocation(false); |
| result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, float32_list_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| } |
| |
| float32_list_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 0, NULL); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, float32_list_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should now have two allocation samples. |
| EXPECT_EQ(2, profile.sample_count()); |
| } |
| } |
| |
| |
| TEST_CASE(Profiler_StringAllocation) { |
| const char* kScript = "String foo(String a, String b) => a + b;"; |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| Isolate* isolate = Isolate::Current(); |
| |
| const Class& one_byte_string_class = |
| Class::Handle(isolate->object_store()->one_byte_string_class()); |
| EXPECT(!one_byte_string_class.IsNull()); |
| |
| Dart_Handle args[2] = { NewString("a"), NewString("b"), }; |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have no allocation samples. |
| EXPECT_EQ(0, profile.sample_count()); |
| } |
| |
| one_byte_string_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| walker.Reset(Profile::kExclusiveCode); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_StringBase.+", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("foo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| |
| one_byte_string_class.SetTraceAllocation(false); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| } |
| |
| one_byte_string_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should now have two allocation samples. |
| EXPECT_EQ(2, profile.sample_count()); |
| } |
| } |
| |
| |
| TEST_CASE(Profiler_StringInterpolation) { |
| const char* kScript = "String foo(String a, String b) => '$a | $b';"; |
| Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL); |
| EXPECT_VALID(lib); |
| Library& root_library = Library::Handle(); |
| root_library ^= Api::UnwrapHandle(lib); |
| Isolate* isolate = Isolate::Current(); |
| |
| const Class& one_byte_string_class = |
| Class::Handle(isolate->object_store()->one_byte_string_class()); |
| EXPECT(!one_byte_string_class.IsNull()); |
| |
| Dart_Handle args[2] = { NewString("a"), NewString("b"), }; |
| |
| Dart_Handle result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should have no allocation samples. |
| EXPECT_EQ(0, profile.sample_count()); |
| } |
| |
| one_byte_string_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| ProfileTrieWalker walker(&profile); |
| |
| walker.Reset(Profile::kExclusiveCode); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_OneByteString._allocate", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_OneByteString._concatAll", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("_StringBase._interpolate", walker.CurrentName()); |
| EXPECT(walker.Down()); |
| EXPECT_STREQ("foo", walker.CurrentName()); |
| EXPECT(!walker.Down()); |
| } |
| |
| one_byte_string_class.SetTraceAllocation(false); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should still only have one allocation sample. |
| EXPECT_EQ(1, profile.sample_count()); |
| } |
| |
| one_byte_string_class.SetTraceAllocation(true); |
| result = Dart_Invoke(lib, NewString("foo"), 2, &args[0]); |
| EXPECT_VALID(result); |
| |
| { |
| StackZone zone(isolate); |
| HANDLESCOPE(isolate); |
| Profile profile(isolate); |
| AllocationFilter filter(isolate, one_byte_string_class.id()); |
| profile.Build(&filter, Profile::kNoTags); |
| // We should now have two allocation samples. |
| EXPECT_EQ(2, profile.sample_count()); |
| } |
| } |
| |
| } // namespace dart |