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https://github.com/dart-lang/sdk
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205ba04c5e
Test Profiler_ArrayAllocation used the non-existing List.empty() constuctor. This fix replaces it with the semantic equivalent List.filled(..). TBR:bkonyi Change-Id: I70913803a4d3585cb19a39375b14c1184f047644 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149160 Commit-Queue: Clement Skau <cskau@google.com> Reviewed-by: Clement Skau <cskau@google.com>
2667 lines
86 KiB
C++
2667 lines
86 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/assert.h"
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#include "vm/dart_api_impl.h"
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#include "vm/dart_api_state.h"
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#include "vm/globals.h"
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#include "vm/profiler.h"
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#include "vm/profiler_service.h"
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#include "vm/source_report.h"
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#include "vm/symbols.h"
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#include "vm/unit_test.h"
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namespace dart {
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#ifndef PRODUCT
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DECLARE_FLAG(bool, profile_vm);
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DECLARE_FLAG(bool, profile_vm_allocation);
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DECLARE_FLAG(int, max_profile_depth);
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DECLARE_FLAG(int, optimization_counter_threshold);
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// Some tests are written assuming native stack trace profiling is disabled.
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class DisableNativeProfileScope : public ValueObject {
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public:
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DisableNativeProfileScope()
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: FLAG_profile_vm_(FLAG_profile_vm),
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FLAG_profile_vm_allocation_(FLAG_profile_vm_allocation) {
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FLAG_profile_vm = false;
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FLAG_profile_vm_allocation = false;
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}
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~DisableNativeProfileScope() {
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FLAG_profile_vm = FLAG_profile_vm_;
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FLAG_profile_vm_allocation = FLAG_profile_vm_allocation_;
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}
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private:
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const bool FLAG_profile_vm_;
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const bool FLAG_profile_vm_allocation_;
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};
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class DisableBackgroundCompilationScope : public ValueObject {
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public:
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DisableBackgroundCompilationScope()
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: FLAG_background_compilation_(FLAG_background_compilation) {
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FLAG_background_compilation = false;
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}
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~DisableBackgroundCompilationScope() {
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FLAG_background_compilation = FLAG_background_compilation_;
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}
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private:
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const bool FLAG_background_compilation_;
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};
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// Temporarily adjust the maximum profile depth.
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class MaxProfileDepthScope : public ValueObject {
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public:
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explicit MaxProfileDepthScope(intptr_t new_max_depth)
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: FLAG_max_profile_depth_(FLAG_max_profile_depth) {
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Profiler::SetSampleDepth(new_max_depth);
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}
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~MaxProfileDepthScope() { Profiler::SetSampleDepth(FLAG_max_profile_depth_); }
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private:
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const intptr_t FLAG_max_profile_depth_;
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};
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class ProfileSampleBufferTestHelper {
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public:
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static intptr_t IterateCount(const Dart_Port port,
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const SampleBuffer& sample_buffer) {
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intptr_t c = 0;
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for (intptr_t i = 0; i < sample_buffer.capacity(); i++) {
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Sample* sample = sample_buffer.At(i);
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if (sample->port() != port) {
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continue;
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}
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c++;
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}
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return c;
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}
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static intptr_t IterateSumPC(const Dart_Port port,
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const SampleBuffer& sample_buffer) {
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intptr_t c = 0;
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for (intptr_t i = 0; i < sample_buffer.capacity(); i++) {
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Sample* sample = sample_buffer.At(i);
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if (sample->port() != port) {
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continue;
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}
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c += sample->At(0);
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}
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return c;
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}
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};
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TEST_CASE(Profiler_SampleBufferWrapTest) {
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SampleBuffer* sample_buffer = new SampleBuffer(3);
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Dart_Port i = 123;
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EXPECT_EQ(0, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
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Sample* s;
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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s->SetAt(0, 2);
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EXPECT_EQ(2, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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s->SetAt(0, 4);
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EXPECT_EQ(6, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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s->SetAt(0, 6);
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EXPECT_EQ(12, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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s->SetAt(0, 8);
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EXPECT_EQ(18, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
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delete sample_buffer;
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}
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TEST_CASE(Profiler_SampleBufferIterateTest) {
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SampleBuffer* sample_buffer = new SampleBuffer(3);
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Dart_Port i = 123;
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EXPECT_EQ(0, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
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Sample* s;
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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EXPECT_EQ(1, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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EXPECT_EQ(2, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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EXPECT_EQ(3, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
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s = sample_buffer->ReserveSample();
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s->Init(i, 0, 0);
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EXPECT_EQ(3, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
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delete sample_buffer;
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}
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TEST_CASE(Profiler_AllocationSampleTest) {
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Isolate* isolate = Isolate::Current();
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SampleBuffer* sample_buffer = new SampleBuffer(3);
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Sample* sample = sample_buffer->ReserveSample();
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sample->Init(isolate->main_port(), 0, 0);
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sample->set_metadata(99);
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sample->set_is_allocation_sample(true);
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EXPECT_EQ(99, sample->allocation_cid());
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delete sample_buffer;
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}
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static LibraryPtr LoadTestScript(const char* script) {
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Dart_Handle api_lib;
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{
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TransitionVMToNative transition(Thread::Current());
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api_lib = TestCase::LoadTestScript(script, NULL);
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EXPECT_VALID(api_lib);
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}
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Library& lib = Library::Handle();
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lib ^= Api::UnwrapHandle(api_lib);
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return lib.raw();
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}
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static ClassPtr GetClass(const Library& lib, const char* name) {
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Thread* thread = Thread::Current();
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const Class& cls = Class::Handle(
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lib.LookupClassAllowPrivate(String::Handle(Symbols::New(thread, name))));
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EXPECT(!cls.IsNull()); // No ambiguity error expected.
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return cls.raw();
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}
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static FunctionPtr GetFunction(const Library& lib, const char* name) {
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Thread* thread = Thread::Current();
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const Function& func = Function::Handle(lib.LookupFunctionAllowPrivate(
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String::Handle(Symbols::New(thread, name))));
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EXPECT(!func.IsNull()); // No ambiguity error expected.
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return func.raw();
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}
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static void Invoke(const Library& lib,
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const char* name,
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intptr_t argc = 0,
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Dart_Handle* argv = NULL) {
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Thread* thread = Thread::Current();
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Dart_Handle api_lib = Api::NewHandle(thread, lib.raw());
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TransitionVMToNative transition(thread);
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Dart_Handle result = Dart_Invoke(api_lib, NewString(name), argc, argv);
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EXPECT_VALID(result);
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}
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class AllocationFilter : public SampleFilter {
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public:
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AllocationFilter(Dart_Port port,
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intptr_t cid,
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int64_t time_origin_micros = -1,
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int64_t time_extent_micros = -1)
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: SampleFilter(port,
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Thread::kMutatorTask,
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time_origin_micros,
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time_extent_micros),
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cid_(cid),
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enable_vm_ticks_(false) {}
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bool FilterSample(Sample* sample) {
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if (!enable_vm_ticks_ && (sample->vm_tag() == VMTag::kVMTagId)) {
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// We don't want to see embedder ticks in the test.
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return false;
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}
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return sample->is_allocation_sample() && (sample->allocation_cid() == cid_);
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}
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void set_enable_vm_ticks(bool enable) { enable_vm_ticks_ = enable; }
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private:
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intptr_t cid_;
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bool enable_vm_ticks_;
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};
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static void EnableProfiler() {
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if (!FLAG_profiler) {
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FLAG_profiler = true;
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Profiler::Init();
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}
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}
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class ProfileStackWalker {
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public:
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explicit ProfileStackWalker(Profile* profile, bool as_func = false)
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: profile_(profile),
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as_functions_(as_func),
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index_(0),
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sample_(profile->SampleAt(0)) {
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ClearInliningData();
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}
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bool Down() {
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if (as_functions_) {
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return UpdateFunctionIndex();
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} else {
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++index_;
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return (index_ < sample_->length());
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}
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}
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const char* CurrentName() {
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if (as_functions_) {
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ProfileFunction* func = GetFunction();
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EXPECT(func != NULL);
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return func->Name();
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} else {
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ProfileCode* code = GetCode();
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EXPECT(code != NULL);
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return code->name();
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}
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}
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const char* CurrentToken() {
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if (!as_functions_) {
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return NULL;
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}
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ProfileFunction* func = GetFunction();
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const Function& function = *(func->function());
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if (function.IsNull()) {
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// No function.
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return NULL;
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}
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Zone* zone = Thread::Current()->zone();
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const Script& script = Script::Handle(zone, function.script());
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if (script.IsNull()) {
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// No script.
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return NULL;
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}
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ProfileFunctionSourcePosition pfsp(TokenPosition::kNoSource);
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if (!func->GetSinglePosition(&pfsp)) {
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// Not exactly one source position.
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return NULL;
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}
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TokenPosition token_pos = pfsp.token_pos();
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if (!token_pos.IsSourcePosition()) {
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// Not a location in a script.
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return NULL;
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}
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if (token_pos.IsSynthetic()) {
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token_pos = token_pos.FromSynthetic();
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}
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intptr_t line = 0, column = 0, token_len = 0;
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script.GetTokenLocation(token_pos, &line, &column, &token_len);
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const auto& str = String::Handle(
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zone, script.GetSnippet(line, column, line, column + token_len));
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return str.IsNull() ? NULL : str.ToCString();
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}
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intptr_t CurrentInclusiveTicks() {
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if (as_functions_) {
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ProfileFunction* func = GetFunction();
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EXPECT(func != NULL);
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return func->inclusive_ticks();
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} else {
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ProfileCode* code = GetCode();
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ASSERT(code != NULL);
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return code->inclusive_ticks();
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}
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}
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intptr_t CurrentExclusiveTicks() {
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if (as_functions_) {
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ProfileFunction* func = GetFunction();
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EXPECT(func != NULL);
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return func->exclusive_ticks();
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} else {
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ProfileCode* code = GetCode();
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ASSERT(code != NULL);
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return code->exclusive_ticks();
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}
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}
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const char* VMTagName() { return VMTag::TagName(sample_->vm_tag()); }
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private:
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ProfileCode* GetCode() {
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uword pc = sample_->At(index_);
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int64_t timestamp = sample_->timestamp();
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return profile_->GetCodeFromPC(pc, timestamp);
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}
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static const intptr_t kInvalidInlinedIndex = -1;
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bool UpdateFunctionIndex() {
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if (inlined_index_ != kInvalidInlinedIndex) {
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if (inlined_index_ - 1 >= 0) {
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--inlined_index_;
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return true;
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}
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ClearInliningData();
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}
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++index_;
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return (index_ < sample_->length());
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}
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void ClearInliningData() {
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inlined_index_ = kInvalidInlinedIndex;
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inlined_functions_ = NULL;
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inlined_token_positions_ = NULL;
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}
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ProfileFunction* GetFunction() {
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// Check to see if we're currently processing inlined functions. If so,
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// return the next inlined function.
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ProfileFunction* function = GetInlinedFunction();
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if (function != NULL) {
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return function;
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}
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const uword pc = sample_->At(index_);
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ProfileCode* profile_code =
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profile_->GetCodeFromPC(pc, sample_->timestamp());
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ASSERT(profile_code != NULL);
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function = profile_code->function();
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ASSERT(function != NULL);
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TokenPosition token_position = TokenPosition::kNoSource;
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Code& code = Code::ZoneHandle();
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if (profile_code->code().IsCode()) {
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code ^= profile_code->code().raw();
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inlined_functions_cache_.Get(pc, code, sample_, index_,
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&inlined_functions_,
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&inlined_token_positions_, &token_position);
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} else if (profile_code->code().IsBytecode()) {
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// No inlining in bytecode.
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const Bytecode& bc = Bytecode::CheckedHandle(Thread::Current()->zone(),
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profile_code->code().raw());
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token_position = bc.GetTokenIndexOfPC(pc);
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}
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if (code.IsNull() || (inlined_functions_ == NULL) ||
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(inlined_functions_->length() <= 1)) {
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ClearInliningData();
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// No inlined functions.
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return function;
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}
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ASSERT(code.is_optimized());
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inlined_index_ = inlined_functions_->length() - 1;
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function = GetInlinedFunction();
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ASSERT(function != NULL);
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return function;
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}
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ProfileFunction* GetInlinedFunction() {
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if ((inlined_index_ != kInvalidInlinedIndex) &&
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(inlined_index_ < inlined_functions_->length())) {
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return profile_->FindFunction(*(*inlined_functions_)[inlined_index_]);
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}
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return NULL;
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}
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Profile* profile_;
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bool as_functions_;
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intptr_t index_;
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ProcessedSample* sample_;
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ProfileCodeInlinedFunctionsCache inlined_functions_cache_;
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GrowableArray<const Function*>* inlined_functions_;
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GrowableArray<TokenPosition>* inlined_token_positions_;
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intptr_t inlined_index_;
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};
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ISOLATE_UNIT_TEST_CASE(Profiler_TrivialRecordAllocation) {
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EnableProfiler();
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DisableNativeProfileScope dnps;
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DisableBackgroundCompilationScope dbcs;
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const char* kScript =
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"class A {\n"
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" var a;\n"
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" var b;\n"
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"}\n"
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"class B {\n"
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" static boo() {\n"
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" return new A();\n"
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" }\n"
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"}\n"
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"main() {\n"
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" return B.boo();\n"
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"}\n";
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const Library& root_library = Library::Handle(LoadTestScript(kScript));
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const int64_t before_allocations_micros = Dart_TimelineGetMicros();
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const Class& class_a = Class::Handle(GetClass(root_library, "A"));
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EXPECT(!class_a.IsNull());
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class_a.SetTraceAllocation(true);
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Invoke(root_library, "main");
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const int64_t after_allocations_micros = Dart_TimelineGetMicros();
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const int64_t allocation_extent_micros =
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after_allocations_micros - before_allocations_micros;
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{
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Thread* thread = Thread::Current();
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Isolate* isolate = thread->isolate();
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StackZone zone(thread);
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HANDLESCOPE(thread);
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Profile profile(isolate);
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// Filter for the class in the time range.
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AllocationFilter filter(isolate->main_port(), class_a.id(),
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before_allocations_micros,
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allocation_extent_micros);
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profile.Build(thread, &filter, Profiler::sample_buffer());
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// We should have 1 allocation sample.
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EXPECT_EQ(1, profile.sample_count());
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ProfileStackWalker walker(&profile);
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// Move down from the root.
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EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
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if (FLAG_enable_interpreter) {
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EXPECT_STREQ("[Bytecode] B.boo", walker.CurrentName());
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EXPECT(walker.Down());
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EXPECT_STREQ("[Bytecode] main", walker.CurrentName());
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EXPECT(!walker.Down());
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} else {
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#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
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EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
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#else
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EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
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#endif
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EXPECT(walker.Down());
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EXPECT_STREQ("[Unoptimized] B.boo", walker.CurrentName());
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EXPECT(walker.Down());
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EXPECT_STREQ("[Unoptimized] main", walker.CurrentName());
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EXPECT(!walker.Down());
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}
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}
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// Query with a time filter where no allocations occurred.
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{
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Thread* thread = Thread::Current();
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Isolate* isolate = thread->isolate();
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StackZone zone(thread);
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HANDLESCOPE(thread);
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Profile profile(isolate);
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AllocationFilter filter(isolate->main_port(), class_a.id(),
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Dart_TimelineGetMicros(), 16000);
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profile.Build(thread, &filter, Profiler::sample_buffer());
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// We should have no allocation samples because none occured within
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// the specified time range.
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EXPECT_EQ(0, profile.sample_count());
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}
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}
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#if defined(DART_USE_TCMALLOC) && defined(HOST_OS_LINUX) && defined(DEBUG) && \
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defined(HOST_ARCH_X64)
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DART_NOINLINE static void NativeAllocationSampleHelper(char** result) {
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ASSERT(result != NULL);
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*result = static_cast<char*>(malloc(sizeof(char) * 1024));
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}
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ISOLATE_UNIT_TEST_CASE(Profiler_NativeAllocation) {
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bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
|
|
FLAG_profiler_native_memory = true;
|
|
|
|
EnableProfiler();
|
|
|
|
MallocHooks::Init();
|
|
MallocHooks::ResetStats();
|
|
bool stack_trace_collection_enabled =
|
|
MallocHooks::stack_trace_collection_enabled();
|
|
MallocHooks::set_stack_trace_collection_enabled(true);
|
|
|
|
char* result = NULL;
|
|
const int64_t before_allocations_micros = Dart_TimelineGetMicros();
|
|
NativeAllocationSampleHelper(&result);
|
|
|
|
// Disable stack allocation stack trace collection to avoid muddying up
|
|
// results.
|
|
MallocHooks::set_stack_trace_collection_enabled(false);
|
|
const int64_t after_allocations_micros = Dart_TimelineGetMicros();
|
|
const int64_t allocation_extent_micros =
|
|
after_allocations_micros - before_allocations_micros;
|
|
|
|
// Walk the trie and do a sanity check of the allocation values associated
|
|
// with each node.
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
|
|
// Filter for the class in the time range.
|
|
NativeAllocationSampleFilter filter(before_allocations_micros,
|
|
allocation_extent_micros);
|
|
profile.Build(thread, &filter, Profiler::allocation_sample_buffer());
|
|
// We should have 1 allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
// Move down from the root.
|
|
EXPECT_SUBSTRING("[Native]", walker.CurrentName());
|
|
EXPECT_EQ(1024ul, profile.SampleAt(0)->native_allocation_size_bytes());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("dart::Dart_TestProfiler_NativeAllocation()",
|
|
walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("dart::TestCase::Run()", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("dart::TestCaseBase::RunTest()", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("dart::TestCaseBase::RunAll()", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_SUBSTRING("[Native]", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
|
|
MallocHooks::set_stack_trace_collection_enabled(true);
|
|
free(result);
|
|
MallocHooks::set_stack_trace_collection_enabled(false);
|
|
|
|
// Check to see that the native allocation sample associated with the memory
|
|
// freed above is marked as free and is no longer reported.
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
|
|
// Filter for the class in the time range.
|
|
NativeAllocationSampleFilter filter(before_allocations_micros,
|
|
allocation_extent_micros);
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have 0 allocation samples since we freed the memory.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
// Query with a time filter where no allocations occurred.
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
NativeAllocationSampleFilter filter(Dart_TimelineGetMicros(), 16000);
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples because none occured within
|
|
// the specified time range.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
MallocHooks::set_stack_trace_collection_enabled(
|
|
stack_trace_collection_enabled);
|
|
FLAG_profiler_native_memory = enable_malloc_hooks_saved;
|
|
}
|
|
#endif // defined(DART_USE_TCMALLOC) && defined(HOST_OS_LINUX) && \
|
|
// defined(DEBUG) && defined(HOST_ARCH_X64)
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_ToggleRecordAllocation) {
|
|
EnableProfiler();
|
|
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
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";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] B.boo", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] main", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] B.boo", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] main", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
// Turn off allocation tracing for A.
|
|
class_a.SetTraceAllocation(false);
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_CodeTicks) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
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";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate three times.
|
|
Invoke(root_library, "main");
|
|
Invoke(root_library, "main");
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have three allocation samples.
|
|
EXPECT_EQ(3, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
// Move down from the root.
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] B.boo", walker.CurrentName());
|
|
EXPECT_EQ(3, walker.CurrentInclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] main", walker.CurrentName());
|
|
EXPECT_EQ(3, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(3, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] B.boo", walker.CurrentName());
|
|
EXPECT_EQ(3, walker.CurrentInclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] main", walker.CurrentName());
|
|
EXPECT_EQ(3, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
}
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_FunctionTicks) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
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";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate three times.
|
|
Invoke(root_library, "main");
|
|
Invoke(root_library, "main");
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have three allocation samples.
|
|
EXPECT_EQ(3, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
|
|
if (!FLAG_enable_interpreter) {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(3, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
}
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(3, walker.CurrentInclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(3, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_IntrinsicAllocation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript = "double foo(double a, double b) => a + b;";
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
const Class& double_class =
|
|
Class::Handle(isolate->object_store()->double_class());
|
|
EXPECT(!double_class.IsNull());
|
|
|
|
Dart_Handle args[2];
|
|
{
|
|
TransitionVMToNative transition(thread);
|
|
args[0] = Dart_NewDouble(1.0);
|
|
args[1] = Dart_NewDouble(2.0);
|
|
}
|
|
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), double_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
double_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), double_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
EXPECT_STREQ("[Bytecode] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
EXPECT_STREQ("Double_add", walker.VMTagName());
|
|
EXPECT_STREQ("[Unoptimized] double._add", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] double.+", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
double_class.SetTraceAllocation(false);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), double_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_ArrayAllocation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"List foo() => List.filled(4, null);\n"
|
|
"List bar() => List.filled(0, null, growable: true);\n";
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
const Class& array_class =
|
|
Class::Handle(isolate->object_store()->array_class());
|
|
EXPECT(!array_class.IsNull());
|
|
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), array_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
array_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), array_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("DRT_AllocateArray", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] new _List", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
EXPECT_STREQ("[Stub] AllocateArray", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] new _List", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
array_class.SetTraceAllocation(false);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), array_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// 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).
|
|
Invoke(root_library, "bar");
|
|
|
|
// Enable again.
|
|
array_class.SetTraceAllocation(true);
|
|
|
|
// Run bar.
|
|
Invoke(root_library, "bar");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), array_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples, since empty
|
|
// growable lists use a shared backing.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_ContextAllocation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"var msg1 = 'a';\n"
|
|
"foo() {\n"
|
|
" var msg = msg1 + msg1;\n"
|
|
" return (x) { return '$msg + $msg'; }(msg);\n"
|
|
"}\n";
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
const Class& context_class = Class::Handle(Object::context_class());
|
|
EXPECT(!context_class.IsNull());
|
|
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), context_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
context_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), context_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("DRT_AllocateContext", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
EXPECT_STREQ("[Stub] AllocateContext", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
context_class.SetTraceAllocation(false);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), context_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_ClosureAllocation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"var msg1 = 'a';\n"
|
|
"\n"
|
|
"foo() {\n"
|
|
" var msg = msg1 + msg1;\n"
|
|
" var msg2 = msg + msg;\n"
|
|
" return (x, y, z, w) { return '$x + $y + $z'; }(msg, msg2, msg, msg);\n"
|
|
"}\n"
|
|
"bar() {\n"
|
|
" var msg = msg1 + msg1;\n"
|
|
" var msg2 = msg + msg;\n"
|
|
" return (x, y) { return '$x + $y'; }(msg, msg2);\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
const Class& closure_class =
|
|
Class::Handle(Isolate::Current()->object_store()->closure_class());
|
|
EXPECT(!closure_class.IsNull());
|
|
closure_class.SetTraceAllocation(true);
|
|
|
|
// Invoke "foo" which during compilation, triggers a closure allocation.
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), closure_class.id());
|
|
filter.set_enable_vm_ticks(true);
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_SUBSTRING("DRT_AllocateObject", walker.VMTagName());
|
|
if (!FLAG_enable_interpreter) {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate _Closure", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT(walker.Down());
|
|
}
|
|
EXPECT_SUBSTRING("foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
|
|
// Disable allocation tracing for Closure.
|
|
closure_class.SetTraceAllocation(false);
|
|
|
|
// Invoke "bar" which during compilation, triggers a closure allocation.
|
|
Invoke(root_library, "bar");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), closure_class.id());
|
|
filter.set_enable_vm_ticks(true);
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_TypedArrayAllocation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"import 'dart:typed_data';\n"
|
|
"List foo() => new Float32List(4);\n";
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
const Library& typed_data_library =
|
|
Library::Handle(isolate->object_store()->typed_data_library());
|
|
|
|
const Class& float32_list_class =
|
|
Class::Handle(GetClass(typed_data_library, "_Float32List"));
|
|
EXPECT(!float32_list_class.IsNull());
|
|
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), float32_list_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
float32_list_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), float32_list_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("TypedData_Float32Array_new", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] new Float32List", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
EXPECT_STREQ("[Unoptimized] new Float32List", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
float32_list_class.SetTraceAllocation(false);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), float32_list_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
|
|
float32_list_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo");
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), float32_list_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should now have two allocation samples.
|
|
EXPECT_EQ(2, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_StringAllocation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript = "String foo(String a, String b) => a + b;";
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
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];
|
|
{
|
|
TransitionVMToNative transition(thread);
|
|
args[0] = NewString("a");
|
|
args[1] = NewString("b");
|
|
}
|
|
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
one_byte_string_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("String_concat", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] _StringBase.+", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
EXPECT_STREQ("[Unoptimized] _StringBase.+", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
one_byte_string_class.SetTraceAllocation(false);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
|
|
one_byte_string_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should now have two allocation samples.
|
|
EXPECT_EQ(2, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_StringInterpolation) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript = "String foo(String a, String b) => '$a | $b';";
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
Isolate* isolate = thread->isolate();
|
|
|
|
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];
|
|
{
|
|
TransitionVMToNative transition(thread);
|
|
args[0] = NewString("a");
|
|
args[1] = NewString("b");
|
|
}
|
|
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
one_byte_string_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("Internal_allocateOneByteString", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("Internal_allocateOneByteString", walker.VMTagName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] String._allocate", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] String._concatAll", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] _StringBase._interpolate",
|
|
walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
EXPECT_STREQ("Internal_allocateOneByteString", walker.VMTagName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] String._allocate", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] String._concatAll", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] _StringBase._interpolate",
|
|
walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] foo", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
one_byte_string_class.SetTraceAllocation(false);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should still only have one allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
}
|
|
|
|
one_byte_string_class.SetTraceAllocation(true);
|
|
Invoke(root_library, "foo", 2, &args[0]);
|
|
|
|
{
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should now have two allocation samples.
|
|
EXPECT_EQ(2, profile.sample_count());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_FunctionInline) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
SetFlagScope<int> sfs(&FLAG_optimization_counter_threshold, 30000);
|
|
SetFlagScope<int> sfs2(&FLAG_compilation_counter_threshold, 0);
|
|
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" static choo(bool alloc) {\n"
|
|
" if (alloc) return new A();\n"
|
|
" return alloc && alloc && !alloc;\n"
|
|
" }\n"
|
|
" static foo(bool alloc) {\n"
|
|
" choo(alloc);\n"
|
|
" }\n"
|
|
" static boo(bool alloc) {\n"
|
|
" for (var i = 0; i < 50000; i++) {\n"
|
|
" foo(alloc);\n"
|
|
" }\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" B.boo(false);\n"
|
|
"}\n"
|
|
"mainA() {\n"
|
|
" B.boo(true);\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
// Compile "main".
|
|
Invoke(root_library, "main");
|
|
// Compile "mainA".
|
|
Invoke(root_library, "mainA");
|
|
// At this point B.boo should be optimized and inlined B.foo and B.choo.
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate 50,000 instances of A.
|
|
Invoke(root_library, "mainA");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have 50,000 allocation samples.
|
|
EXPECT_EQ(50000, profile.sample_count());
|
|
{
|
|
ProfileStackWalker walker(&profile);
|
|
// We have two code objects: mainA and B.boo.
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(50000, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Optimized] B.boo", walker.CurrentName());
|
|
EXPECT_EQ(50000, walker.CurrentInclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] mainA", walker.CurrentName());
|
|
EXPECT_EQ(50000, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
{
|
|
ProfileStackWalker walker(&profile, true);
|
|
// Inline expansion should show us the complete call chain:
|
|
// mainA -> B.boo -> B.foo -> B.choo.
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(50000, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.choo", walker.CurrentName());
|
|
EXPECT_EQ(50000, walker.CurrentInclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.foo", walker.CurrentName());
|
|
EXPECT_EQ(50000, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(50000, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("mainA", walker.CurrentName());
|
|
EXPECT_EQ(50000, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_InliningIntervalBoundry) {
|
|
// The PC of frames below the top frame is a call's return address,
|
|
// which can belong to a different inlining interval than the call.
|
|
// This test checks the profiler service takes this into account; see
|
|
// ProfileBuilder::ProcessFrame.
|
|
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
SetFlagScope<int> sfs(&FLAG_optimization_counter_threshold, 30000);
|
|
SetFlagScope<int> sfs2(&FLAG_compilation_counter_threshold, 0);
|
|
|
|
const char* kScript =
|
|
"class A {\n"
|
|
"}\n"
|
|
"bool alloc = false;"
|
|
"maybeAlloc() {\n"
|
|
" try {\n"
|
|
" if (alloc) new A();\n"
|
|
" } catch (e) {\n"
|
|
" }\n"
|
|
"}\n"
|
|
"right() => maybeAlloc();\n"
|
|
"doNothing() {\n"
|
|
" try {\n"
|
|
" } catch (e) {\n"
|
|
" }\n"
|
|
"}\n"
|
|
"wrong() => doNothing();\n"
|
|
"a() {\n"
|
|
" try {\n"
|
|
" right();\n"
|
|
" wrong();\n"
|
|
" } catch (e) {\n"
|
|
" }\n"
|
|
"}\n"
|
|
"mainNoAlloc() {\n"
|
|
" for (var i = 0; i < 20000; i++) {\n"
|
|
" a();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"mainAlloc() {\n"
|
|
" alloc = true;\n"
|
|
" a();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
// Compile and optimize.
|
|
Invoke(root_library, "mainNoAlloc");
|
|
Invoke(root_library, "mainAlloc");
|
|
|
|
// At this point a should be optimized and have inlined both right and wrong,
|
|
// but not maybeAllocate or doNothing.
|
|
Function& func = Function::Handle();
|
|
func = GetFunction(root_library, "a");
|
|
EXPECT(!func.is_inlinable());
|
|
EXPECT(func.HasOptimizedCode());
|
|
func = GetFunction(root_library, "right");
|
|
EXPECT(func.is_inlinable());
|
|
func = GetFunction(root_library, "wrong");
|
|
EXPECT(func.is_inlinable());
|
|
func = GetFunction(root_library, "doNothing");
|
|
EXPECT(!func.is_inlinable());
|
|
func = GetFunction(root_library, "maybeAlloc");
|
|
EXPECT(!func.is_inlinable());
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have no allocation samples.
|
|
EXPECT_EQ(0, profile.sample_count());
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
Invoke(root_library, "mainAlloc");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
// Inline expansion should show us the complete call chain:
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("maybeAlloc", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("right", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("a", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("mainAlloc", walker.CurrentName());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_ChainedSamples) {
|
|
EnableProfiler();
|
|
MaxProfileDepthScope mpds(32);
|
|
DisableNativeProfileScope dnps;
|
|
|
|
// Each sample holds 8 stack frames.
|
|
// This chain is 20 stack frames deep.
|
|
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"
|
|
"go() => init();\n"
|
|
"init() => secondInit();\n"
|
|
"secondInit() => apple();\n"
|
|
"apple() => banana();\n"
|
|
"banana() => cantaloupe();\n"
|
|
"cantaloupe() => dog();\n"
|
|
"dog() => elephant();\n"
|
|
"elephant() => fred();\n"
|
|
"fred() => granola();\n"
|
|
"granola() => haystack();\n"
|
|
"haystack() => ice();\n"
|
|
"ice() => jeep();\n"
|
|
"jeep() => kindle();\n"
|
|
"kindle() => lemon();\n"
|
|
"lemon() => mayo();\n"
|
|
"mayo() => napkin();\n"
|
|
"napkin() => orange();\n"
|
|
"orange() => B.boo();\n"
|
|
"main() {\n"
|
|
" return go();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have 1 allocation sample.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
if (FLAG_enable_interpreter) {
|
|
EXPECT_STREQ("[Bytecode] B.boo", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] orange", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] napkin", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] mayo", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] lemon", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] kindle", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] jeep", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] ice", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] haystack", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] granola", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] fred", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] elephant", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] dog", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] cantaloupe", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] banana", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] apple", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] secondInit", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] init", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] go", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Bytecode] main", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
} else {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] B.boo", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] orange", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] napkin", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] mayo", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] lemon", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] kindle", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] jeep", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] ice", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] haystack", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] granola", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] fred", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] elephant", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] dog", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] cantaloupe", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] banana", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] apple", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] secondInit", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] init", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] go", walker.CurrentName());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("[Unoptimized] main", walker.CurrentName());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_BasicSourcePosition) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
" @pragma('vm:never-inline') A() { }\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" @pragma('vm:prefer-inline')\n"
|
|
" static boo() {\n"
|
|
" return new A();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" B.boo();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate one time.
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation samples.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
if (!FLAG_enable_interpreter) {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(1, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
}
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_STREQ("A", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("boo", walker.CurrentToken());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_BasicSourcePositionOptimized) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
// Optimize quickly.
|
|
SetFlagScope<int> sfs(&FLAG_optimization_counter_threshold, 5);
|
|
SetFlagScope<int> sfs2(&FLAG_compilation_counter_threshold, 0);
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
" @pragma('vm:never-inline') A() { }\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" @pragma('vm:prefer-inline')\n"
|
|
" static boo() {\n"
|
|
" return new A();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" B.boo();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
const Function& main = Function::Handle(GetFunction(root_library, "main"));
|
|
EXPECT(!main.IsNull());
|
|
|
|
// Warm up function.
|
|
while (true) {
|
|
Invoke(root_library, "main");
|
|
const Code& code = Code::Handle(main.CurrentCode());
|
|
if (code.is_optimized()) {
|
|
// Warmed up.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate one time.
|
|
Invoke(root_library, "main");
|
|
|
|
// Still optimized.
|
|
const Code& code = Code::Handle(main.CurrentCode());
|
|
EXPECT(code.is_optimized());
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation samples.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
// Move down from the root.
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(1, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_STREQ("A", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("boo", walker.CurrentToken());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_SourcePosition) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
" @pragma('vm:never-inline') A() { }\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" @pragma('vm:never-inline')\n"
|
|
" static oats() {\n"
|
|
" return boo();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline')\n"
|
|
" static boo() {\n"
|
|
" return new A();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"class C {\n"
|
|
" @pragma('vm:never-inline') bacon() {\n"
|
|
" return fox();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline') fox() {\n"
|
|
" return B.oats();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" new C()..bacon();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate one time.
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation samples.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
if (!FLAG_enable_interpreter) {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(1, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
}
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_STREQ("A", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.oats", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("boo", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.fox", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("oats", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.bacon", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("fox", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("bacon", walker.CurrentToken());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_SourcePositionOptimized) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
// Optimize quickly.
|
|
SetFlagScope<int> sfs(&FLAG_optimization_counter_threshold, 5);
|
|
SetFlagScope<int> sfs2(&FLAG_compilation_counter_threshold, 0);
|
|
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
" @pragma('vm:never-inline') A() { }\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" @pragma('vm:never-inline')\n"
|
|
" static oats() {\n"
|
|
" return boo();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline')\n"
|
|
" static boo() {\n"
|
|
" return new A();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"class C {\n"
|
|
" @pragma('vm:never-inline') bacon() {\n"
|
|
" return fox();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline') fox() {\n"
|
|
" return B.oats();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" new C()..bacon();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
const Function& main = Function::Handle(GetFunction(root_library, "main"));
|
|
EXPECT(!main.IsNull());
|
|
|
|
// Warm up function.
|
|
while (true) {
|
|
Invoke(root_library, "main");
|
|
const Code& code = Code::Handle(main.CurrentCode());
|
|
if (code.is_optimized()) {
|
|
// Warmed up.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate one time.
|
|
Invoke(root_library, "main");
|
|
|
|
// Still optimized.
|
|
const Code& code = Code::Handle(main.CurrentCode());
|
|
EXPECT(code.is_optimized());
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation samples.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(1, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_STREQ("A", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.oats", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("boo", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.fox", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("oats", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.bacon", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("fox", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("bacon", walker.CurrentToken());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_BinaryOperatorSourcePosition) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
" @pragma('vm:never-inline') A() { }\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" @pragma('vm:never-inline')\n"
|
|
" static oats() {\n"
|
|
" return boo();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline')\n"
|
|
" static boo() {\n"
|
|
" return new A();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"class C {\n"
|
|
" @pragma('vm:never-inline') bacon() {\n"
|
|
" return this + this;\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline') operator+(C other) {\n"
|
|
" return fox();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline') fox() {\n"
|
|
" return B.oats();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" new C()..bacon();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
Invoke(root_library, "main");
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate one time.
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation samples.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
if (!FLAG_enable_interpreter) {
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(1, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
}
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_STREQ("A", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.oats", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("boo", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.fox", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("oats", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.+", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("fox", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.bacon", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("+", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("bacon", walker.CurrentToken());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_BinaryOperatorSourcePositionOptimized) {
|
|
EnableProfiler();
|
|
DisableNativeProfileScope dnps;
|
|
DisableBackgroundCompilationScope dbcs;
|
|
// Optimize quickly.
|
|
SetFlagScope<int> sfs(&FLAG_optimization_counter_threshold, 5);
|
|
SetFlagScope<int> sfs2(&FLAG_compilation_counter_threshold, 0);
|
|
|
|
const char* kScript =
|
|
"class A {\n"
|
|
" var a;\n"
|
|
" var b;\n"
|
|
" @pragma('vm:never-inline') A() { }\n"
|
|
"}\n"
|
|
"class B {\n"
|
|
" @pragma('vm:never-inline')\n"
|
|
" static oats() {\n"
|
|
" return boo();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline')\n"
|
|
" static boo() {\n"
|
|
" return new A();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"class C {\n"
|
|
" @pragma('vm:never-inline') bacon() {\n"
|
|
" return this + this;\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline') operator+(C other) {\n"
|
|
" return fox();\n"
|
|
" }\n"
|
|
" @pragma('vm:prefer-inline') fox() {\n"
|
|
" return B.oats();\n"
|
|
" }\n"
|
|
"}\n"
|
|
"main() {\n"
|
|
" new C()..bacon();\n"
|
|
"}\n";
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
const Class& class_a = Class::Handle(GetClass(root_library, "A"));
|
|
EXPECT(!class_a.IsNull());
|
|
|
|
const Function& main = Function::Handle(GetFunction(root_library, "main"));
|
|
EXPECT(!main.IsNull());
|
|
|
|
// Warm up function.
|
|
while (true) {
|
|
Invoke(root_library, "main");
|
|
const Code& code = Code::Handle(main.CurrentCode());
|
|
if (code.is_optimized()) {
|
|
// Warmed up.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Turn on allocation tracing for A.
|
|
class_a.SetTraceAllocation(true);
|
|
|
|
// Allocate one time.
|
|
Invoke(root_library, "main");
|
|
|
|
// Still optimized.
|
|
const Code& code = Code::Handle(main.CurrentCode());
|
|
EXPECT(code.is_optimized());
|
|
|
|
{
|
|
Thread* thread = Thread::Current();
|
|
Isolate* isolate = thread->isolate();
|
|
StackZone zone(thread);
|
|
HANDLESCOPE(thread);
|
|
Profile profile(isolate);
|
|
AllocationFilter filter(isolate->main_port(), class_a.id());
|
|
profile.Build(thread, &filter, Profiler::sample_buffer());
|
|
// We should have one allocation samples.
|
|
EXPECT_EQ(1, profile.sample_count());
|
|
ProfileStackWalker walker(&profile, true);
|
|
|
|
EXPECT_STREQ("DRT_AllocateObject", walker.VMTagName());
|
|
#if defined(TARGET_ARCH_IA32) // Alloc. stub not impl. for ia32.
|
|
EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
|
|
#else
|
|
EXPECT_STREQ("[Stub] AllocateObjectSlow", walker.CurrentName());
|
|
#endif
|
|
EXPECT_EQ(1, walker.CurrentExclusiveTicks());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.boo", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_STREQ("A", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("B.oats", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("boo", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.fox", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("oats", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.+", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("fox", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("C.bacon", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("+", walker.CurrentToken());
|
|
EXPECT(walker.Down());
|
|
EXPECT_STREQ("main", walker.CurrentName());
|
|
EXPECT_EQ(1, walker.CurrentInclusiveTicks());
|
|
EXPECT_EQ(0, walker.CurrentExclusiveTicks());
|
|
EXPECT_STREQ("bacon", walker.CurrentToken());
|
|
EXPECT(!walker.Down());
|
|
}
|
|
}
|
|
|
|
static void InsertFakeSample(SampleBuffer* sample_buffer, uword* pc_offsets) {
|
|
ASSERT(sample_buffer != NULL);
|
|
Isolate* isolate = Isolate::Current();
|
|
Sample* sample = sample_buffer->ReserveSample();
|
|
ASSERT(sample != NULL);
|
|
sample->Init(isolate->main_port(), OS::GetCurrentMonotonicMicros(),
|
|
OSThread::Current()->trace_id());
|
|
sample->set_thread_task(Thread::kMutatorTask);
|
|
|
|
intptr_t i = 0;
|
|
while (pc_offsets[i] != 0) {
|
|
// When we collect a real stack trace, all PCs collected aside from the
|
|
// executing one (i == 0) are actually return addresses. Return addresses
|
|
// are one byte beyond the call instruction that is executing. The profiler
|
|
// accounts for this and subtracts one from these addresses when querying
|
|
// inline and token position ranges. To be consistent with real stack
|
|
// traces, we add one byte to all PCs except the executing one.
|
|
// See OffsetForPC in profiler_service.cc for more context.
|
|
const intptr_t return_address_offset = i > 0 ? 1 : 0;
|
|
sample->SetAt(i, pc_offsets[i] + return_address_offset);
|
|
i++;
|
|
}
|
|
sample->SetAt(i, 0);
|
|
}
|
|
|
|
static uword FindPCForTokenPosition(const Code& code, TokenPosition tp) {
|
|
GrowableArray<const Function*> functions;
|
|
GrowableArray<TokenPosition> token_positions;
|
|
for (intptr_t pc_offset = 0; pc_offset < code.Size(); pc_offset++) {
|
|
code.GetInlinedFunctionsAtInstruction(pc_offset, &functions,
|
|
&token_positions);
|
|
if (token_positions[0] == tp) {
|
|
return code.PayloadStart() + pc_offset;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_GetSourceReport) {
|
|
EnableProfiler();
|
|
const char* kScript =
|
|
"int doWork(i) => i * i;\n"
|
|
"int main() {\n"
|
|
" int sum = 0;\n"
|
|
" for (int i = 0; i < 100; i++) {\n"
|
|
" sum += doWork(i);\n"
|
|
" }\n"
|
|
" return sum;\n"
|
|
"}\n";
|
|
|
|
// Token position of * in `i * i`.
|
|
const TokenPosition squarePosition = TokenPosition(19);
|
|
|
|
// Token position of the call to `doWork`.
|
|
const TokenPosition callPosition = TokenPosition(95);
|
|
|
|
DisableNativeProfileScope dnps;
|
|
// Disable profiling for this thread.
|
|
DisableThreadInterruptsScope dtis(Thread::Current());
|
|
|
|
DisableBackgroundCompilationScope dbcs;
|
|
|
|
SampleBuffer* sample_buffer = Profiler::sample_buffer();
|
|
EXPECT(sample_buffer != NULL);
|
|
|
|
const Library& root_library = Library::Handle(LoadTestScript(kScript));
|
|
|
|
// Invoke main so that it gets compiled.
|
|
Invoke(root_library, "main");
|
|
|
|
{
|
|
// Clear the profile for this isolate.
|
|
ClearProfileVisitor cpv(Isolate::Current());
|
|
sample_buffer->VisitSamples(&cpv);
|
|
}
|
|
|
|
// Query the code object for main and determine the PC at some token
|
|
// positions.
|
|
const Function& main = Function::Handle(GetFunction(root_library, "main"));
|
|
EXPECT(!main.IsNull());
|
|
|
|
const Function& do_work =
|
|
Function::Handle(GetFunction(root_library, "doWork"));
|
|
EXPECT(!do_work.IsNull());
|
|
|
|
const Script& script = Script::Handle(main.script());
|
|
EXPECT(!script.IsNull());
|
|
|
|
const Code& main_code = Code::Handle(main.CurrentCode());
|
|
EXPECT(!main_code.IsNull());
|
|
|
|
const Code& do_work_code = Code::Handle(do_work.CurrentCode());
|
|
EXPECT(!do_work_code.IsNull());
|
|
|
|
// Dump code source map.
|
|
do_work_code.DumpSourcePositions();
|
|
main_code.DumpSourcePositions();
|
|
|
|
// Look up some source token position's pc.
|
|
uword squarePositionPc = FindPCForTokenPosition(do_work_code, squarePosition);
|
|
EXPECT(squarePositionPc != 0);
|
|
|
|
uword callPositionPc = FindPCForTokenPosition(main_code, callPosition);
|
|
EXPECT(callPositionPc != 0);
|
|
|
|
// Look up some classifying token position's pc.
|
|
uword controlFlowPc =
|
|
FindPCForTokenPosition(do_work_code, TokenPosition::kControlFlow);
|
|
EXPECT(controlFlowPc != 0);
|
|
|
|
// Insert fake samples.
|
|
|
|
// Sample 1:
|
|
// squarePositionPc exclusive.
|
|
// callPositionPc inclusive.
|
|
uword sample1[] = {squarePositionPc, // doWork.
|
|
callPositionPc, // main.
|
|
0};
|
|
|
|
// Sample 2:
|
|
// squarePositionPc exclusive.
|
|
uword sample2[] = {
|
|
squarePositionPc, // doWork.
|
|
0,
|
|
};
|
|
|
|
// Sample 3:
|
|
// controlFlowPc exclusive.
|
|
// callPositionPc inclusive.
|
|
uword sample3[] = {controlFlowPc, // doWork.
|
|
callPositionPc, // main.
|
|
0};
|
|
|
|
InsertFakeSample(sample_buffer, &sample1[0]);
|
|
InsertFakeSample(sample_buffer, &sample2[0]);
|
|
InsertFakeSample(sample_buffer, &sample3[0]);
|
|
|
|
// Generate source report for main.
|
|
JSONStream js;
|
|
{
|
|
SourceReport sourceReport(SourceReport::kProfile);
|
|
sourceReport.PrintJSON(&js, script, do_work.token_pos(),
|
|
main.end_token_pos());
|
|
}
|
|
|
|
// Verify positions in do_work.
|
|
EXPECT_SUBSTRING("\"positions\":[\"ControlFlow\",19]", js.ToCString());
|
|
// Verify exclusive ticks in do_work.
|
|
EXPECT_SUBSTRING("\"exclusiveTicks\":[1,2]", js.ToCString());
|
|
// Verify inclusive ticks in do_work.
|
|
EXPECT_SUBSTRING("\"inclusiveTicks\":[1,2]", js.ToCString());
|
|
|
|
// Verify positions in main.
|
|
EXPECT_SUBSTRING("\"positions\":[95]", js.ToCString());
|
|
// Verify exclusive ticks in main.
|
|
EXPECT_SUBSTRING("\"exclusiveTicks\":[0]", js.ToCString());
|
|
// Verify inclusive ticks in main.
|
|
EXPECT_SUBSTRING("\"inclusiveTicks\":[2]", js.ToCString());
|
|
}
|
|
|
|
ISOLATE_UNIT_TEST_CASE(Profiler_ProfileCodeTableTest) {
|
|
Zone* Z = Thread::Current()->zone();
|
|
|
|
ProfileCodeTable* table = new (Z) ProfileCodeTable();
|
|
EXPECT_EQ(table->length(), 0);
|
|
EXPECT_EQ(table->FindCodeForPC(42), static_cast<ProfileCode*>(NULL));
|
|
|
|
int64_t timestamp = 0;
|
|
const AbstractCode null_code(Code::null());
|
|
|
|
ProfileCode* code1 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 50, 60, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code1), 0);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(55), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(59), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(60), static_cast<ProfileCode*>(NULL));
|
|
|
|
// Insert below all.
|
|
ProfileCode* code2 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 10, 20, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code2), 0);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(10), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(19), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(20), static_cast<ProfileCode*>(NULL));
|
|
|
|
// Insert above all.
|
|
ProfileCode* code3 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 80, 90, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code3), 2);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(10), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(80), code3);
|
|
EXPECT_EQ(table->FindCodeForPC(89), code3);
|
|
EXPECT_EQ(table->FindCodeForPC(90), static_cast<ProfileCode*>(NULL));
|
|
|
|
// Insert between.
|
|
ProfileCode* code4 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 65, 75, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code4), 2);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(10), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(80), code3);
|
|
EXPECT_EQ(table->FindCodeForPC(65), code4);
|
|
EXPECT_EQ(table->FindCodeForPC(74), code4);
|
|
EXPECT_EQ(table->FindCodeForPC(75), static_cast<ProfileCode*>(NULL));
|
|
|
|
// Insert overlapping left.
|
|
ProfileCode* code5 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 15, 25, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code5), 0);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(10), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(80), code3);
|
|
EXPECT_EQ(table->FindCodeForPC(65), code4);
|
|
EXPECT_EQ(table->FindCodeForPC(15), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(24), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(25), static_cast<ProfileCode*>(NULL));
|
|
|
|
// Insert overlapping right.
|
|
ProfileCode* code6 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 45, 55, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code6), 1);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(10), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(80), code3);
|
|
EXPECT_EQ(table->FindCodeForPC(65), code4);
|
|
EXPECT_EQ(table->FindCodeForPC(15), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(24), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(45), code1); // Merged right.
|
|
EXPECT_EQ(table->FindCodeForPC(54), code1); // Merged right.
|
|
EXPECT_EQ(table->FindCodeForPC(55), code1);
|
|
|
|
// Insert overlapping both.
|
|
ProfileCode* code7 = new (Z)
|
|
ProfileCode(ProfileCode::kNativeCode, 20, 50, timestamp, null_code);
|
|
EXPECT_EQ(table->InsertCode(code7), 0);
|
|
EXPECT_EQ(table->FindCodeForPC(0), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(100), static_cast<ProfileCode*>(NULL));
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
EXPECT_EQ(table->FindCodeForPC(10), code2);
|
|
EXPECT_EQ(table->FindCodeForPC(80), code3);
|
|
EXPECT_EQ(table->FindCodeForPC(65), code4);
|
|
EXPECT_EQ(table->FindCodeForPC(15), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(24), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(45), code1); // Merged right.
|
|
EXPECT_EQ(table->FindCodeForPC(54), code1); // Merged right.
|
|
EXPECT_EQ(table->FindCodeForPC(20), code2); // Merged left.
|
|
EXPECT_EQ(table->FindCodeForPC(49), code1); // Truncated.
|
|
EXPECT_EQ(table->FindCodeForPC(50), code1);
|
|
}
|
|
|
|
#endif // !PRODUCT
|
|
|
|
} // namespace dart
|