3ad62f5ee1
The test should only check that there are no sample stacks that never possible in the JS code being profiled. BUG=v8:2628 R=svenpanne@chromium.org Review URL: https://codereview.chromium.org/14845018 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
624 lines
22 KiB
C++
624 lines
22 KiB
C++
// Copyright 2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Tests of profiles generator and utilities.
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// TODO(dcarney): remove
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#define V8_ALLOW_ACCESS_TO_PERSISTENT_ARROW
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#define V8_ALLOW_ACCESS_TO_PERSISTENT_IMPLICIT
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#include "v8.h"
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#include "cpu-profiler-inl.h"
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#include "cctest.h"
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#include "utils.h"
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#include "../include/v8-profiler.h"
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using i::CodeEntry;
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using i::CpuProfile;
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using i::CpuProfiler;
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using i::CpuProfilesCollection;
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using i::ProfileGenerator;
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using i::ProfileNode;
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using i::ProfilerEventsProcessor;
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using i::ScopedVector;
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using i::TokenEnumerator;
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using i::Vector;
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TEST(StartStop) {
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CpuProfilesCollection profiles;
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ProfileGenerator generator(&profiles);
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ProfilerEventsProcessor processor(&generator, &profiles);
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processor.Start();
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processor.Stop();
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processor.Join();
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}
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static inline i::Address ToAddress(int n) {
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return reinterpret_cast<i::Address>(n);
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}
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static void EnqueueTickSampleEvent(ProfilerEventsProcessor* proc,
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i::Address frame1,
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i::Address frame2 = NULL,
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i::Address frame3 = NULL) {
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i::TickSample* sample = proc->TickSampleEvent();
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sample->pc = frame1;
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sample->tos = frame1;
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sample->frames_count = 0;
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if (frame2 != NULL) {
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sample->stack[0] = frame2;
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sample->frames_count = 1;
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}
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if (frame3 != NULL) {
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sample->stack[1] = frame3;
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sample->frames_count = 2;
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}
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}
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namespace {
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class TestSetup {
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public:
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TestSetup()
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: old_flag_prof_browser_mode_(i::FLAG_prof_browser_mode) {
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i::FLAG_prof_browser_mode = false;
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}
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~TestSetup() {
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i::FLAG_prof_browser_mode = old_flag_prof_browser_mode_;
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}
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private:
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bool old_flag_prof_browser_mode_;
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};
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} // namespace
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TEST(CodeEvents) {
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CcTest::InitializeVM();
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i::Isolate* isolate = i::Isolate::Current();
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i::Heap* heap = isolate->heap();
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i::Factory* factory = isolate->factory();
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TestSetup test_setup;
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CpuProfilesCollection profiles;
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profiles.StartProfiling("", 1, false);
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ProfileGenerator generator(&profiles);
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ProfilerEventsProcessor processor(&generator, &profiles);
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processor.Start();
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// Enqueue code creation events.
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i::HandleScope scope(isolate);
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const char* aaa_str = "aaa";
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i::Handle<i::String> aaa_name = factory->NewStringFromAscii(
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i::Vector<const char>(aaa_str, i::StrLength(aaa_str)));
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processor.CodeCreateEvent(i::Logger::FUNCTION_TAG,
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*aaa_name,
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heap->empty_string(),
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0,
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ToAddress(0x1000),
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0x100,
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ToAddress(0x10000),
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NULL);
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processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
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"bbb",
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ToAddress(0x1200),
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0x80);
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processor.CodeCreateEvent(i::Logger::STUB_TAG, 5, ToAddress(0x1300), 0x10);
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processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
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"ddd",
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ToAddress(0x1400),
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0x80);
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processor.CodeMoveEvent(ToAddress(0x1400), ToAddress(0x1500));
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processor.CodeCreateEvent(i::Logger::STUB_TAG, 3, ToAddress(0x1600), 0x10);
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processor.CodeCreateEvent(i::Logger::STUB_TAG, 4, ToAddress(0x1605), 0x10);
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// Enqueue a tick event to enable code events processing.
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EnqueueTickSampleEvent(&processor, ToAddress(0x1000));
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processor.Stop();
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processor.Join();
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// Check the state of profile generator.
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CodeEntry* entry1 = generator.code_map()->FindEntry(ToAddress(0x1000));
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CHECK_NE(NULL, entry1);
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CHECK_EQ(aaa_str, entry1->name());
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CodeEntry* entry2 = generator.code_map()->FindEntry(ToAddress(0x1200));
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CHECK_NE(NULL, entry2);
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CHECK_EQ("bbb", entry2->name());
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CodeEntry* entry3 = generator.code_map()->FindEntry(ToAddress(0x1300));
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CHECK_NE(NULL, entry3);
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CHECK_EQ("5", entry3->name());
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CHECK_EQ(NULL, generator.code_map()->FindEntry(ToAddress(0x1400)));
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CodeEntry* entry4 = generator.code_map()->FindEntry(ToAddress(0x1500));
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CHECK_NE(NULL, entry4);
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CHECK_EQ("ddd", entry4->name());
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CHECK_EQ(NULL, generator.code_map()->FindEntry(ToAddress(0x1600)));
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}
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template<typename T>
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static int CompareProfileNodes(const T* p1, const T* p2) {
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return strcmp((*p1)->entry()->name(), (*p2)->entry()->name());
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}
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TEST(TickEvents) {
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TestSetup test_setup;
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CpuProfilesCollection profiles;
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profiles.StartProfiling("", 1, false);
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ProfileGenerator generator(&profiles);
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ProfilerEventsProcessor processor(&generator, &profiles);
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processor.Start();
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processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
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"bbb",
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ToAddress(0x1200),
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0x80);
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processor.CodeCreateEvent(i::Logger::STUB_TAG, 5, ToAddress(0x1300), 0x10);
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processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
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"ddd",
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ToAddress(0x1400),
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0x80);
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EnqueueTickSampleEvent(&processor, ToAddress(0x1210));
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EnqueueTickSampleEvent(&processor, ToAddress(0x1305), ToAddress(0x1220));
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EnqueueTickSampleEvent(&processor,
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ToAddress(0x1404),
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ToAddress(0x1305),
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ToAddress(0x1230));
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processor.Stop();
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processor.Join();
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CpuProfile* profile =
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profiles.StopProfiling(TokenEnumerator::kNoSecurityToken, "", 1);
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CHECK_NE(NULL, profile);
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// Check call trees.
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const i::List<ProfileNode*>* top_down_root_children =
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profile->top_down()->root()->children();
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CHECK_EQ(1, top_down_root_children->length());
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CHECK_EQ("bbb", top_down_root_children->last()->entry()->name());
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const i::List<ProfileNode*>* top_down_bbb_children =
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top_down_root_children->last()->children();
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CHECK_EQ(1, top_down_bbb_children->length());
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CHECK_EQ("5", top_down_bbb_children->last()->entry()->name());
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const i::List<ProfileNode*>* top_down_stub_children =
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top_down_bbb_children->last()->children();
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CHECK_EQ(1, top_down_stub_children->length());
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CHECK_EQ("ddd", top_down_stub_children->last()->entry()->name());
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const i::List<ProfileNode*>* top_down_ddd_children =
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top_down_stub_children->last()->children();
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CHECK_EQ(0, top_down_ddd_children->length());
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}
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// http://crbug/51594
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// This test must not crash.
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TEST(CrashIfStoppingLastNonExistentProfile) {
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CcTest::InitializeVM();
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TestSetup test_setup;
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CpuProfiler* profiler = i::Isolate::Current()->cpu_profiler();
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profiler->StartProfiling("1");
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profiler->StopProfiling("2");
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profiler->StartProfiling("1");
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profiler->StopProfiling("");
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}
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// http://code.google.com/p/v8/issues/detail?id=1398
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// Long stacks (exceeding max frames limit) must not be erased.
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TEST(Issue1398) {
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TestSetup test_setup;
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CpuProfilesCollection profiles;
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profiles.StartProfiling("", 1, false);
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ProfileGenerator generator(&profiles);
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ProfilerEventsProcessor processor(&generator, &profiles);
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processor.Start();
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processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
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"bbb",
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ToAddress(0x1200),
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0x80);
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i::TickSample* sample = processor.TickSampleEvent();
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sample->pc = ToAddress(0x1200);
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sample->tos = 0;
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sample->frames_count = i::TickSample::kMaxFramesCount;
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for (int i = 0; i < sample->frames_count; ++i) {
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sample->stack[i] = ToAddress(0x1200);
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}
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processor.Stop();
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processor.Join();
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CpuProfile* profile =
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profiles.StopProfiling(TokenEnumerator::kNoSecurityToken, "", 1);
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CHECK_NE(NULL, profile);
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int actual_depth = 0;
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const ProfileNode* node = profile->top_down()->root();
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while (node->children()->length() > 0) {
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node = node->children()->last();
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++actual_depth;
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}
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CHECK_EQ(1 + i::TickSample::kMaxFramesCount, actual_depth); // +1 for PC.
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}
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TEST(DeleteAllCpuProfiles) {
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CcTest::InitializeVM();
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TestSetup test_setup;
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CpuProfiler* profiler = i::Isolate::Current()->cpu_profiler();
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CHECK_EQ(0, profiler->GetProfilesCount());
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profiler->DeleteAllProfiles();
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CHECK_EQ(0, profiler->GetProfilesCount());
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profiler->StartProfiling("1");
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profiler->StopProfiling("1");
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CHECK_EQ(1, profiler->GetProfilesCount());
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profiler->DeleteAllProfiles();
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CHECK_EQ(0, profiler->GetProfilesCount());
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profiler->StartProfiling("1");
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profiler->StartProfiling("2");
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profiler->StopProfiling("2");
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profiler->StopProfiling("1");
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CHECK_EQ(2, profiler->GetProfilesCount());
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profiler->DeleteAllProfiles();
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CHECK_EQ(0, profiler->GetProfilesCount());
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// Test profiling cancellation by the 'delete' command.
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profiler->StartProfiling("1");
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profiler->StartProfiling("2");
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CHECK_EQ(0, profiler->GetProfilesCount());
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profiler->DeleteAllProfiles();
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CHECK_EQ(0, profiler->GetProfilesCount());
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}
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TEST(DeleteCpuProfile) {
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LocalContext env;
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v8::HandleScope scope(env->GetIsolate());
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v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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v8::Local<v8::String> name1 = v8::String::New("1");
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cpu_profiler->StartCpuProfiling(name1);
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const v8::CpuProfile* p1 = cpu_profiler->StopCpuProfiling(name1);
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CHECK_NE(NULL, p1);
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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unsigned uid1 = p1->GetUid();
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CHECK_EQ(p1, cpu_profiler->FindCpuProfile(uid1));
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const_cast<v8::CpuProfile*>(p1)->Delete();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid1));
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v8::Local<v8::String> name2 = v8::String::New("2");
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cpu_profiler->StartCpuProfiling(name2);
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const v8::CpuProfile* p2 = cpu_profiler->StopCpuProfiling(name2);
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CHECK_NE(NULL, p2);
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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unsigned uid2 = p2->GetUid();
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CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid2));
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CHECK_EQ(p2, cpu_profiler->FindCpuProfile(uid2));
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid1));
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v8::Local<v8::String> name3 = v8::String::New("3");
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cpu_profiler->StartCpuProfiling(name3);
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const v8::CpuProfile* p3 = cpu_profiler->StopCpuProfiling(name3);
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CHECK_NE(NULL, p3);
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CHECK_EQ(2, cpu_profiler->GetProfileCount());
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unsigned uid3 = p3->GetUid();
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CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid3));
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CHECK_EQ(p3, cpu_profiler->FindCpuProfile(uid3));
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid1));
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const_cast<v8::CpuProfile*>(p2)->Delete();
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid2));
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CHECK_EQ(p3, cpu_profiler->FindCpuProfile(uid3));
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const_cast<v8::CpuProfile*>(p3)->Delete();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid3));
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid2));
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid1));
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}
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TEST(DeleteCpuProfileDifferentTokens) {
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LocalContext env;
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v8::HandleScope scope(env->GetIsolate());
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v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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v8::Local<v8::String> name1 = v8::String::New("1");
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cpu_profiler->StartCpuProfiling(name1);
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const v8::CpuProfile* p1 = cpu_profiler->StopCpuProfiling(name1);
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CHECK_NE(NULL, p1);
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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unsigned uid1 = p1->GetUid();
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CHECK_EQ(p1, cpu_profiler->FindCpuProfile(uid1));
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v8::Local<v8::String> token1 = v8::String::New("token1");
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const v8::CpuProfile* p1_t1 = cpu_profiler->FindCpuProfile(uid1, token1);
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CHECK_NE(NULL, p1_t1);
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CHECK_NE(p1, p1_t1);
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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const_cast<v8::CpuProfile*>(p1)->Delete();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid1));
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid1, token1));
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const_cast<v8::CpuProfile*>(p1_t1)->Delete();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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v8::Local<v8::String> name2 = v8::String::New("2");
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cpu_profiler->StartCpuProfiling(name2);
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v8::Local<v8::String> token2 = v8::String::New("token2");
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const v8::CpuProfile* p2_t2 = cpu_profiler->StopCpuProfiling(name2, token2);
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CHECK_NE(NULL, p2_t2);
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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unsigned uid2 = p2_t2->GetUid();
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CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid2));
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const v8::CpuProfile* p2 = cpu_profiler->FindCpuProfile(uid2);
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CHECK_NE(p2_t2, p2);
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v8::Local<v8::String> name3 = v8::String::New("3");
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cpu_profiler->StartCpuProfiling(name3);
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const v8::CpuProfile* p3 = cpu_profiler->StopCpuProfiling(name3);
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CHECK_NE(NULL, p3);
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CHECK_EQ(2, cpu_profiler->GetProfileCount());
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unsigned uid3 = p3->GetUid();
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CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid3));
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CHECK_EQ(p3, cpu_profiler->FindCpuProfile(uid3));
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const_cast<v8::CpuProfile*>(p2_t2)->Delete();
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid2));
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CHECK_EQ(p3, cpu_profiler->FindCpuProfile(uid3));
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const_cast<v8::CpuProfile*>(p2)->Delete();
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CHECK_EQ(1, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid2));
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CHECK_EQ(p3, cpu_profiler->FindCpuProfile(uid3));
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const_cast<v8::CpuProfile*>(p3)->Delete();
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CHECK_EQ(0, cpu_profiler->GetProfileCount());
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CHECK_EQ(NULL, cpu_profiler->FindCpuProfile(uid3));
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}
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static bool ContainsString(v8::Handle<v8::String> string,
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const Vector<v8::Handle<v8::String> >& vector) {
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for (int i = 0; i < vector.length(); i++) {
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if (string->Equals(vector[i]))
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return true;
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}
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return false;
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}
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static void CheckChildrenNames(const v8::CpuProfileNode* node,
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const Vector<v8::Handle<v8::String> >& names) {
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int count = node->GetChildrenCount();
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for (int i = 0; i < count; i++) {
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v8::Handle<v8::String> name = node->GetChild(i)->GetFunctionName();
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CHECK(ContainsString(name, names));
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// Check that there are no duplicates.
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for (int j = 0; j < count; j++) {
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if (j == i) continue;
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CHECK_NE(name, node->GetChild(j)->GetFunctionName());
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}
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}
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}
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static const v8::CpuProfileNode* FindChild(const v8::CpuProfileNode* node,
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const char* name) {
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int count = node->GetChildrenCount();
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v8::Handle<v8::String> nameHandle = v8::String::New(name);
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for (int i = 0; i < count; i++) {
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const v8::CpuProfileNode* child = node->GetChild(i);
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|
if (nameHandle->Equals(child->GetFunctionName())) return child;
|
|
}
|
|
CHECK(false);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static void CheckSimpleBranch(const v8::CpuProfileNode* node,
|
|
const char* names[], int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
const char* name = names[i];
|
|
node = FindChild(node, name);
|
|
CHECK(node);
|
|
int expectedChildrenCount = (i == length - 1) ? 0 : 1;
|
|
CHECK_EQ(expectedChildrenCount, node->GetChildrenCount());
|
|
}
|
|
}
|
|
|
|
|
|
static const char* cpu_profiler_test_source = "function loop(timeout) {\n"
|
|
" this.mmm = 0;\n"
|
|
" var start = Date.now();\n"
|
|
" while (Date.now() - start < timeout) {\n"
|
|
" var n = 100*1000;\n"
|
|
" while(n > 1) {\n"
|
|
" n--;\n"
|
|
" this.mmm += n * n * n;\n"
|
|
" }\n"
|
|
" }\n"
|
|
"}\n"
|
|
"function delay() { try { loop(10); } catch(e) { } }\n"
|
|
"function bar() { delay(); }\n"
|
|
"function baz() { delay(); }\n"
|
|
"function foo() {\n"
|
|
" try {\n"
|
|
" delay();\n"
|
|
" bar();\n"
|
|
" delay();\n"
|
|
" baz();\n"
|
|
" } catch (e) { }\n"
|
|
"}\n"
|
|
"function start(timeout) {\n"
|
|
" var start = Date.now();\n"
|
|
" do {\n"
|
|
" foo();\n"
|
|
" var duration = Date.now() - start;\n"
|
|
" } while (duration < timeout);\n"
|
|
" return duration;\n"
|
|
"}\n";
|
|
|
|
|
|
// Check that the profile tree for the script above will look like the
|
|
// following:
|
|
//
|
|
// [Top down]:
|
|
// 1062 0 (root) [-1]
|
|
// 1054 0 start [-1]
|
|
// 1054 1 foo [-1]
|
|
// 265 0 baz [-1]
|
|
// 265 1 delay [-1]
|
|
// 264 264 loop [-1]
|
|
// 525 3 delay [-1]
|
|
// 522 522 loop [-1]
|
|
// 263 0 bar [-1]
|
|
// 263 1 delay [-1]
|
|
// 262 262 loop [-1]
|
|
// 2 2 (program) [-1]
|
|
// 6 6 (garbage collector) [-1]
|
|
TEST(CollectCpuProfile) {
|
|
LocalContext env;
|
|
v8::HandleScope scope(env->GetIsolate());
|
|
|
|
v8::Script::Compile(v8::String::New(cpu_profiler_test_source))->Run();
|
|
v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
|
|
env->Global()->Get(v8::String::New("start")));
|
|
|
|
v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
|
|
v8::Local<v8::String> profile_name = v8::String::New("my_profile");
|
|
|
|
cpu_profiler->StartCpuProfiling(profile_name);
|
|
int32_t profiling_interval_ms = 200;
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
// 200ms is not enough on Windows. See
|
|
// https://code.google.com/p/v8/issues/detail?id=2628
|
|
profiling_interval_ms = 500;
|
|
#endif
|
|
v8::Handle<v8::Value> args[] = { v8::Integer::New(profiling_interval_ms) };
|
|
function->Call(env->Global(), ARRAY_SIZE(args), args);
|
|
const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
|
|
|
|
CHECK_NE(NULL, profile);
|
|
// Dump collected profile to have a better diagnostic in case of failure.
|
|
reinterpret_cast<i::CpuProfile*>(
|
|
const_cast<v8::CpuProfile*>(profile))->Print();
|
|
|
|
const v8::CpuProfileNode* root = profile->GetTopDownRoot();
|
|
|
|
ScopedVector<v8::Handle<v8::String> > names(3);
|
|
names[0] = v8::String::New(ProfileGenerator::kGarbageCollectorEntryName);
|
|
names[1] = v8::String::New(ProfileGenerator::kProgramEntryName);
|
|
names[2] = v8::String::New("start");
|
|
CheckChildrenNames(root, names);
|
|
|
|
const v8::CpuProfileNode* startNode = FindChild(root, "start");
|
|
CHECK_EQ(1, startNode->GetChildrenCount());
|
|
|
|
const v8::CpuProfileNode* fooNode = FindChild(startNode, "foo");
|
|
CHECK_EQ(3, fooNode->GetChildrenCount());
|
|
|
|
const char* barBranch[] = { "bar", "delay", "loop" };
|
|
CheckSimpleBranch(fooNode, barBranch, ARRAY_SIZE(barBranch));
|
|
const char* bazBranch[] = { "baz", "delay", "loop" };
|
|
CheckSimpleBranch(fooNode, bazBranch, ARRAY_SIZE(bazBranch));
|
|
const char* delayBranch[] = { "delay", "loop" };
|
|
CheckSimpleBranch(fooNode, delayBranch, ARRAY_SIZE(delayBranch));
|
|
|
|
cpu_profiler->DeleteAllCpuProfiles();
|
|
}
|
|
|
|
|
|
|
|
static const char* cpu_profiler_test_source2 = "function loop() {}\n"
|
|
"function delay() { loop(); }\n"
|
|
"function start(count) {\n"
|
|
" var k = 0;\n"
|
|
" do {\n"
|
|
" delay();\n"
|
|
" } while (++k < count*100*1000);\n"
|
|
"}\n";
|
|
|
|
// Check that the profile tree doesn't contain unexpecte traces:
|
|
// - 'loop' can be called only by 'delay'
|
|
// - 'delay' may be called only by 'start'
|
|
// The profile will look like the following:
|
|
//
|
|
// [Top down]:
|
|
// 135 0 (root) [-1] #1
|
|
// 121 72 start [-1] #3
|
|
// 49 33 delay [-1] #4
|
|
// 16 16 loop [-1] #5
|
|
// 14 14 (program) [-1] #2
|
|
TEST(SampleWhenFrameIsNotSetup) {
|
|
LocalContext env;
|
|
v8::HandleScope scope(env->GetIsolate());
|
|
|
|
v8::Script::Compile(v8::String::New(cpu_profiler_test_source2))->Run();
|
|
v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
|
|
env->Global()->Get(v8::String::New("start")));
|
|
|
|
v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
|
|
v8::Local<v8::String> profile_name = v8::String::New("my_profile");
|
|
|
|
cpu_profiler->StartCpuProfiling(profile_name);
|
|
int32_t repeat_count = 100;
|
|
#if defined(USE_SIMULATOR)
|
|
// Simulators are much slower.
|
|
repeat_count = 1;
|
|
#endif
|
|
v8::Handle<v8::Value> args[] = { v8::Integer::New(repeat_count) };
|
|
function->Call(env->Global(), ARRAY_SIZE(args), args);
|
|
const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
|
|
|
|
CHECK_NE(NULL, profile);
|
|
// Dump collected profile to have a better diagnostic in case of failure.
|
|
reinterpret_cast<i::CpuProfile*>(
|
|
const_cast<v8::CpuProfile*>(profile))->Print();
|
|
|
|
const v8::CpuProfileNode* root = profile->GetTopDownRoot();
|
|
|
|
ScopedVector<v8::Handle<v8::String> > names(3);
|
|
names[0] = v8::String::New(ProfileGenerator::kGarbageCollectorEntryName);
|
|
names[1] = v8::String::New(ProfileGenerator::kProgramEntryName);
|
|
names[2] = v8::String::New("start");
|
|
CheckChildrenNames(root, names);
|
|
|
|
const v8::CpuProfileNode* startNode = FindChild(root, "start");
|
|
// On slow machines there may be no meaningfull samples at all, skip the
|
|
// check there.
|
|
if (startNode && startNode->GetChildrenCount() > 0) {
|
|
CHECK_EQ(1, startNode->GetChildrenCount());
|
|
const v8::CpuProfileNode* delayNode = FindChild(startNode, "delay");
|
|
if (delayNode->GetChildrenCount() > 0) {
|
|
CHECK_EQ(1, delayNode->GetChildrenCount());
|
|
FindChild(delayNode, "loop");
|
|
}
|
|
}
|
|
|
|
cpu_profiler->DeleteAllCpuProfiles();
|
|
}
|