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43d6814585
v8/test/cctest/test-log.cc
Bret Sepulveda 43d6814585 Stop cctest/test-log/LogMaps from flaking on Windows. 
This patch disables the conditions that cause the test to flake, but
as a band-aid that doesn't fix the underlying issue.

Bug: v8:8084
Change-Id: I46380d0ce4f450c176583330ed760bc3b57b9edc
Reviewed-on: https://chromium-review.googlesource.com/1189822
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55426}
2018-08-27 10:21:22 +00:00

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// Copyright 2006-2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Tests of logging functions from log.h
#include <unordered_set>
#include <vector>
#include "src/api-inl.h"
#include "src/builtins/builtins.h"
#include "src/log-utils.h"
#include "src/log.h"
#include "src/objects-inl.h"
#include "src/profiler/cpu-profiler.h"
#include "src/snapshot/natives.h"
#include "src/v8.h"
#include "src/version.h"
#include "src/vm-state-inl.h"
#include "test/cctest/cctest.h"
using v8::internal::Address;
using v8::internal::EmbeddedVector;
using v8::internal::Logger;
using v8::internal::StrLength;
namespace {
#define SETUP_FLAGS() \
bool saved_log = i::FLAG_log; \
bool saved_prof = i::FLAG_prof; \
i::FLAG_log = true; \
i::FLAG_prof = true; \
i::FLAG_logfile = i::Log::kLogToTemporaryFile; \
i::FLAG_logfile_per_isolate = false
static std::vector<std::string> Split(const std::string& s, char delimiter) {
std::vector<std::string> result;
std::string line;
std::istringstream stream(s);
while (std::getline(stream, line, delimiter)) {
result.push_back(line);
}
return result;
}
class ScopedLoggerInitializer {
public:
ScopedLoggerInitializer(bool saved_log, bool saved_prof, v8::Isolate* isolate)
: saved_log_(saved_log),
saved_prof_(saved_prof),
temp_file_(nullptr),
isolate_(isolate),
isolate_scope_(isolate),
scope_(isolate),
env_(v8::Context::New(isolate)),
logger_(reinterpret_cast<i::Isolate*>(isolate)->logger()) {
env_->Enter();
}
~ScopedLoggerInitializer() {
env_->Exit();
logger_->TearDown();
if (temp_file_ != nullptr) fclose(temp_file_);
i::FLAG_prof = saved_prof_;
i::FLAG_log = saved_log_;
}
v8::Local<v8::Context>& env() { return env_; }
v8::Isolate* isolate() { return isolate_; }
i::Isolate* i_isolate() { return reinterpret_cast<i::Isolate*>(isolate()); }
Logger* logger() { return logger_; }
v8::Local<v8::String> GetLogString() {
int length = static_cast<int>(raw_log_.size());
return v8::String::NewFromUtf8(isolate_, raw_log_.c_str(),
v8::NewStringType::kNormal, length)
.ToLocalChecked();
}
void StopLogging() {
bool exists = false;
raw_log_ = i::ReadFile(StopLoggingGetTempFile(), &exists, true);
log_ = Split(raw_log_, '\n');
CHECK(exists);
}
// Searches |log_| for a line which contains all the strings in |search_terms|
// as substrings, starting from the index |start|, and returns the index of
// the found line. Returns std::string::npos if no line is found.
size_t IndexOfLine(const std::vector<std::string>& search_terms,
size_t start = 0) {
for (size_t i = start; i < log_.size(); ++i) {
const std::string& line = log_.at(i);
bool all_terms_found = true;
for (const std::string& term : search_terms) {
all_terms_found &= line.find(term) != std::string::npos;
}
if (all_terms_found) return i;
}
return std::string::npos;
}
bool ContainsLine(const std::vector<std::string>& search_terms,
size_t start = 0) {
return IndexOfLine(search_terms, start) != std::string::npos;
}
// Calls IndexOfLine for each set of substring terms in
// |all_line_search_terms|, in order. Returns true if they're all found.
bool ContainsLinesInOrder(
const std::vector<std::vector<std::string>>& all_line_search_terms,
size_t start = 0) {
CHECK_GT(log_.size(), 0);
for (auto& search_terms : all_line_search_terms) {
start = IndexOfLine(search_terms, start);
if (start == std::string::npos) return false;
++start; // Skip the found line.
}
return true;
}
std::unordered_set<uintptr_t> ExtractAllAddresses(std::string search_term,
size_t address_column) {
CHECK_GT(log_.size(), 0);
std::unordered_set<uintptr_t> result;
size_t start = 0;
while (true) {
start = IndexOfLine({search_term}, start);
if (start == std::string::npos) break;
std::vector<std::string> columns = Split(log_.at(start), ',');
++start; // Skip the found line.
// TODO(crbug.com/v8/8084): These two continue lines should really be
// errors. But on Windows the log is sometimes mysteriously cut off at the
// end. If the cut-off point happens to fall in the address field, the
// conditions will be triggered.
if (address_column >= columns.size()) continue;
uintptr_t address =
strtoll(columns.at(address_column).c_str(), nullptr, 16);
if (address == 0) continue;
result.insert(address);
}
return result;
}
void LogCodeObjects() { logger_->LogCodeObjects(); }
void LogCompiledFunctions() { logger_->LogCompiledFunctions(); }
void StringEvent(const char* name, const char* value) {
logger_->StringEvent(name, value);
}
private:
FILE* StopLoggingGetTempFile() {
temp_file_ = logger_->TearDown();
CHECK(temp_file_);
fflush(temp_file_);
rewind(temp_file_);
return temp_file_;
}
const bool saved_log_;
const bool saved_prof_;
FILE* temp_file_;
v8::Isolate* isolate_;
v8::Isolate::Scope isolate_scope_;
v8::HandleScope scope_;
v8::Local<v8::Context> env_;
Logger* logger_;
std::string raw_log_;
std::vector<std::string> log_;
DISALLOW_COPY_AND_ASSIGN(ScopedLoggerInitializer);
};
class TestCodeEventHandler : public v8::CodeEventHandler {
public:
explicit TestCodeEventHandler(v8::Isolate* isolate)
: v8::CodeEventHandler(isolate), isolate_(isolate) {}
size_t CountLines(std::string prefix, std::string suffix = std::string()) {
if (event_log_.empty()) return 0;
size_t match = 0;
for (const std::string& line : event_log_) {
size_t prefix_pos = line.find(prefix);
if (prefix_pos == std::string::npos) continue;
size_t suffix_pos = line.rfind(suffix);
if (suffix_pos == std::string::npos) continue;
if (suffix_pos != line.length() - suffix.length()) continue;
if (prefix_pos >= suffix_pos) continue;
match++;
}
return match;
}
void Handle(v8::CodeEvent* code_event) override {
std::string log_line = "";
log_line += v8::CodeEvent::GetCodeEventTypeName(code_event->GetCodeType());
log_line += " ";
log_line += FormatName(code_event);
event_log_.push_back(log_line);
}
private:
std::string FormatName(v8::CodeEvent* code_event) {
std::string name = std::string(code_event->GetComment());
if (name.empty()) {
v8::Local<v8::String> functionName = code_event->GetFunctionName();
std::string buffer(functionName->Utf8Length(isolate_) + 1, 0);
functionName->WriteUtf8(isolate_, &buffer[0],
functionName->Utf8Length(isolate_) + 1);
// Sanitize name, removing unwanted \0 resulted from WriteUtf8
name = std::string(buffer.c_str());
}
return name;
}
std::vector<std::string> event_log_;
v8::Isolate* isolate_;
};
} // namespace
// Test for issue http://crbug.com/23768 in Chromium.
// Heap can contain scripts with already disposed external sources.
// We need to verify that LogCompiledFunctions doesn't crash on them.
namespace {
class SimpleExternalString : public v8::String::ExternalStringResource {
public:
explicit SimpleExternalString(const char* source)
: utf_source_(StrLength(source)) {
for (int i = 0; i < utf_source_.length(); ++i)
utf_source_[i] = source[i];
}
virtual ~SimpleExternalString() {}
virtual size_t length() const { return utf_source_.length(); }
virtual const uint16_t* data() const { return utf_source_.start(); }
private:
i::ScopedVector<uint16_t> utf_source_;
};
} // namespace
TEST(Issue23768) {
v8::HandleScope scope(CcTest::isolate());
v8::Local<v8::Context> env = v8::Context::New(CcTest::isolate());
env->Enter();
SimpleExternalString source_ext_str("(function ext() {})();");
v8::Local<v8::String> source =
v8::String::NewExternalTwoByte(CcTest::isolate(), &source_ext_str)
.ToLocalChecked();
// Script needs to have a name in order to trigger InitLineEnds execution.
v8::Local<v8::String> origin =
v8::String::NewFromUtf8(CcTest::isolate(), "issue-23768-test",
v8::NewStringType::kNormal)
.ToLocalChecked();
v8::Local<v8::Script> evil_script = CompileWithOrigin(source, origin);
CHECK(!evil_script.IsEmpty());
CHECK(!evil_script->Run(env).IsEmpty());
i::Handle<i::ExternalTwoByteString> i_source(
i::ExternalTwoByteString::cast(*v8::Utils::OpenHandle(*source)),
CcTest::i_isolate());
// This situation can happen if source was an external string disposed
// by its owner.
i_source->SetResource(CcTest::i_isolate(), nullptr);
// Must not crash.
CcTest::i_isolate()->logger()->LogCompiledFunctions();
}
static void ObjMethod1(const v8::FunctionCallbackInfo<v8::Value>& args) {
}
TEST(LogCallbacks) {
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
v8::Local<v8::FunctionTemplate> obj = v8::Local<v8::FunctionTemplate>::New(
isolate, v8::FunctionTemplate::New(isolate));
obj->SetClassName(v8_str("Obj"));
v8::Local<v8::ObjectTemplate> proto = obj->PrototypeTemplate();
v8::Local<v8::Signature> signature = v8::Signature::New(isolate, obj);
proto->Set(v8_str("method1"),
v8::FunctionTemplate::New(isolate, ObjMethod1,
v8::Local<v8::Value>(), signature),
static_cast<v8::PropertyAttribute>(v8::DontDelete));
logger.env()
->Global()
->Set(logger.env(), v8_str("Obj"),
obj->GetFunction(logger.env()).ToLocalChecked())
.FromJust();
CompileRun("Obj.prototype.method1.toString();");
logger.LogCompiledFunctions();
logger.StopLogging();
Address ObjMethod1_entry = reinterpret_cast<Address>(ObjMethod1);
#if USES_FUNCTION_DESCRIPTORS
ObjMethod1_entry = *FUNCTION_ENTRYPOINT_ADDRESS(ObjMethod1_entry);
#endif
i::EmbeddedVector<char, 100> suffix_buffer;
i::SNPrintF(suffix_buffer, ",0x%" V8PRIxPTR ",1,method1", ObjMethod1_entry);
CHECK(logger.ContainsLine(
{"code-creation,Callback,-2,", std::string(suffix_buffer.start())}));
}
isolate->Dispose();
}
static void Prop1Getter(v8::Local<v8::String> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
}
static void Prop1Setter(v8::Local<v8::String> property,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<void>& info) {
}
static void Prop2Getter(v8::Local<v8::String> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
}
TEST(LogAccessorCallbacks) {
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
v8::Local<v8::FunctionTemplate> obj = v8::Local<v8::FunctionTemplate>::New(
isolate, v8::FunctionTemplate::New(isolate));
obj->SetClassName(v8_str("Obj"));
v8::Local<v8::ObjectTemplate> inst = obj->InstanceTemplate();
inst->SetAccessor(v8_str("prop1"), Prop1Getter, Prop1Setter);
inst->SetAccessor(v8_str("prop2"), Prop2Getter);
logger.logger()->LogAccessorCallbacks();
logger.StopLogging();
Address Prop1Getter_entry = reinterpret_cast<Address>(Prop1Getter);
#if USES_FUNCTION_DESCRIPTORS
Prop1Getter_entry = *FUNCTION_ENTRYPOINT_ADDRESS(Prop1Getter_entry);
#endif
EmbeddedVector<char, 100> prop1_getter_record;
i::SNPrintF(prop1_getter_record, ",0x%" V8PRIxPTR ",1,get prop1",
Prop1Getter_entry);
CHECK(logger.ContainsLine({"code-creation,Callback,-2,",
std::string(prop1_getter_record.start())}));
Address Prop1Setter_entry = reinterpret_cast<Address>(Prop1Setter);
#if USES_FUNCTION_DESCRIPTORS
Prop1Setter_entry = *FUNCTION_ENTRYPOINT_ADDRESS(Prop1Setter_entry);
#endif
EmbeddedVector<char, 100> prop1_setter_record;
i::SNPrintF(prop1_setter_record, ",0x%" V8PRIxPTR ",1,set prop1",
Prop1Setter_entry);
CHECK(logger.ContainsLine({"code-creation,Callback,-2,",
std::string(prop1_setter_record.start())}));
Address Prop2Getter_entry = reinterpret_cast<Address>(Prop2Getter);
#if USES_FUNCTION_DESCRIPTORS
Prop2Getter_entry = *FUNCTION_ENTRYPOINT_ADDRESS(Prop2Getter_entry);
#endif
EmbeddedVector<char, 100> prop2_getter_record;
i::SNPrintF(prop2_getter_record, ",0x%" V8PRIxPTR ",1,get prop2",
Prop2Getter_entry);
CHECK(logger.ContainsLine({"code-creation,Callback,-2,",
std::string(prop2_getter_record.start())}));
}
isolate->Dispose();
}
// Test that logging of code create / move events is equivalent to traversal of
// a resulting heap.
TEST(EquivalenceOfLoggingAndTraversal) {
// This test needs to be run on a "clean" V8 to ensure that snapshot log
// is loaded. This is always true when running using tools/test.py because
// it launches a new cctest instance for every test. To be sure that launching
// cctest manually also works, please be sure that no tests below
// are using V8.
// Start with profiling to capture all code events from the beginning.
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
// Compile and run a function that creates other functions.
CompileRun(
"(function f(obj) {\n"
" obj.test =\n"
" (function a(j) { return function b() { return j; } })(100);\n"
"})(this);");
logger.logger()->StopProfiler();
reinterpret_cast<i::Isolate*>(isolate)->heap()->CollectAllGarbage(
i::Heap::kMakeHeapIterableMask, i::GarbageCollectionReason::kTesting);
logger.StringEvent("test-logging-done", "");
// Iterate heap to find compiled functions, will write to log.
logger.LogCompiledFunctions();
logger.StringEvent("test-traversal-done", "");
logger.StopLogging();
v8::Local<v8::String> log_str = logger.GetLogString();
logger.env()
->Global()
->Set(logger.env(), v8_str("_log"), log_str)
.FromJust();
// Load the Test snapshot's sources, see log-eq-of-logging-and-traversal.js
i::Vector<const char> source =
i::NativesCollection<i::TEST>::GetScriptsSource();
v8::Local<v8::String> source_str =
v8::String::NewFromUtf8(isolate, source.start(),
v8::NewStringType::kNormal, source.length())
.ToLocalChecked();
v8::TryCatch try_catch(isolate);
v8::Local<v8::Script> script = CompileWithOrigin(source_str, "");
if (script.IsEmpty()) {
v8::String::Utf8Value exception(isolate, try_catch.Exception());
FATAL("compile: %s\n", *exception);
}
v8::Local<v8::Value> result;
if (!script->Run(logger.env()).ToLocal(&result)) {
v8::String::Utf8Value exception(isolate, try_catch.Exception());
FATAL("run: %s\n", *exception);
}
// The result either be the "true" literal or problem description.
if (!result->IsTrue()) {
v8::Local<v8::String> s = result->ToString(logger.env()).ToLocalChecked();
i::ScopedVector<char> data(s->Utf8Length(isolate) + 1);
CHECK(data.start());
s->WriteUtf8(isolate, data.start());
FATAL("%s\n", data.start());
}
}
isolate->Dispose();
}
TEST(LogVersion) {
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
logger.StopLogging();
i::EmbeddedVector<char, 100> line_buffer;
i::SNPrintF(line_buffer, "%d,%d,%d,%d,%d", i::Version::GetMajor(),
i::Version::GetMinor(), i::Version::GetBuild(),
i::Version::GetPatch(), i::Version::IsCandidate());
CHECK(
logger.ContainsLine({"v8-version,", std::string(line_buffer.start())}));
}
isolate->Dispose();
}
// https://crbug.com/539892
// CodeCreateEvents with really large names should not crash.
TEST(Issue539892) {
class FakeCodeEventLogger : public i::CodeEventLogger {
public:
explicit FakeCodeEventLogger(i::Isolate* isolate)
: CodeEventLogger(isolate) {}
void CodeMoveEvent(i::AbstractCode* from, i::AbstractCode* to) override {}
void CodeDisableOptEvent(i::AbstractCode* code,
i::SharedFunctionInfo* shared) override {}
private:
void LogRecordedBuffer(i::AbstractCode* code, i::SharedFunctionInfo* shared,
const char* name, int length) override {}
void LogRecordedBuffer(const i::wasm::WasmCode* code, const char* name,
int length) override {}
} code_event_logger(CcTest::i_isolate());
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
logger.logger()->AddCodeEventListener(&code_event_logger);
// Function with a really large name.
const char* source_text =
"(function "
"baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaac"
"(){})();";
CompileRun(source_text);
// Must not crash.
logger.LogCompiledFunctions();
}
isolate->Dispose();
}
TEST(LogAll) {
SETUP_FLAGS();
i::FLAG_log_all = true;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
const char* source_text =
"function testAddFn(a,b) { return a + b };"
"let result;"
"for (let i = 0; i < 100000; i++) { result = testAddFn(i, i); };"
"testAddFn('1', 1);"
"for (let i = 0; i < 100000; i++) { result = testAddFn('1', i); }";
CompileRun(source_text);
logger.StopLogging();
// We should find at least one code-creation even for testAddFn();
CHECK(logger.ContainsLine({"api,v8::Context::New"}));
CHECK(logger.ContainsLine({"timer-event-start", "V8.CompileCode"}));
CHECK(logger.ContainsLine({"timer-event-end", "V8.CompileCode"}));
CHECK(logger.ContainsLine({"code-creation,Script", ":1:1"}));
CHECK(logger.ContainsLine({"api,v8::Script::Run"}));
CHECK(logger.ContainsLine({"code-creation,LazyCompile,", "testAddFn"}));
if (i::FLAG_opt && !i::FLAG_always_opt) {
CHECK(logger.ContainsLine({"code-deopt,", "soft"}));
CHECK(logger.ContainsLine({"timer-event-start", "V8.DeoptimizeCode"}));
CHECK(logger.ContainsLine({"timer-event-end", "V8.DeoptimizeCode"}));
}
}
isolate->Dispose();
}
TEST(LogInterpretedFramesNativeStack) {
SETUP_FLAGS();
i::FLAG_interpreted_frames_native_stack = true;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
const char* source_text =
"function testLogInterpretedFramesNativeStack(a,b) { return a + b };"
"testLogInterpretedFramesNativeStack('1', 1);";
CompileRun(source_text);
logger.StopLogging();
CHECK(logger.ContainsLine(
{"InterpretedFunction", "testLogInterpretedFramesNativeStack"}));
}
isolate->Dispose();
}
TEST(ExternalCodeEventListener) {
i::FLAG_log = false;
i::FLAG_prof = false;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
v8::HandleScope scope(isolate);
v8::Isolate::Scope isolate_scope(isolate);
v8::Local<v8::Context> context = v8::Context::New(isolate);
context->Enter();
TestCodeEventHandler code_event_handler(isolate);
const char* source_text_before_start =
"function testCodeEventListenerBeforeStart(a,b) { return a + b };"
"testCodeEventListenerBeforeStart('1', 1);";
CompileRun(source_text_before_start);
CHECK_EQ(code_event_handler.CountLines("LazyCompile",
"testCodeEventListenerBeforeStart"),
0);
code_event_handler.Enable();
CHECK_GE(code_event_handler.CountLines("LazyCompile",
"testCodeEventListenerBeforeStart"),
1);
const char* source_text_after_start =
"function testCodeEventListenerAfterStart(a,b) { return a + b };"
"testCodeEventListenerAfterStart('1', 1);";
CompileRun(source_text_after_start);
CHECK_GE(code_event_handler.CountLines("LazyCompile",
"testCodeEventListenerAfterStart"),
1);
context->Exit();
}
isolate->Dispose();
}
TEST(ExternalCodeEventListenerWithInterpretedFramesNativeStack) {
i::FLAG_log = false;
i::FLAG_prof = false;
i::FLAG_interpreted_frames_native_stack = true;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
v8::HandleScope scope(isolate);
v8::Isolate::Scope isolate_scope(isolate);
v8::Local<v8::Context> context = v8::Context::New(isolate);
context->Enter();
TestCodeEventHandler code_event_handler(isolate);
const char* source_text_before_start =
"function testCodeEventListenerBeforeStart(a,b) { return a + b };"
"testCodeEventListenerBeforeStart('1', 1);";
CompileRun(source_text_before_start);
CHECK_EQ(code_event_handler.CountLines("InterpretedFunction",
"testCodeEventListenerBeforeStart"),
0);
code_event_handler.Enable();
CHECK_GE(code_event_handler.CountLines("InterpretedFunction",
"testCodeEventListenerBeforeStart"),
1);
const char* source_text_after_start =
"function testCodeEventListenerAfterStart(a,b) { return a + b };"
"testCodeEventListenerAfterStart('1', 1);";
CompileRun(source_text_after_start);
CHECK_GE(code_event_handler.CountLines("InterpretedFunction",
"testCodeEventListenerAfterStart"),
1);
CHECK_EQ(
code_event_handler.CountLines("Builtin", "InterpreterEntryTrampoline"),
1);
context->Exit();
}
isolate->Dispose();
}
TEST(TraceMaps) {
SETUP_FLAGS();
i::FLAG_trace_maps = true;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
// Try to create many different kind of maps to make sure the logging won't
// crash. More detailed tests are implemented separately.
const char* source_text =
"let a = {};"
"for (let i = 0; i < 500; i++) { a['p'+i] = i };"
"class Test { constructor(i) { this.a = 1; this['p'+i] = 1; }};"
"let t = new Test();"
"t.b = 1; t.c = 1; t.d = 3;"
"for (let i = 0; i < 100; i++) { t = new Test(i) };"
"t.b = {};";
CompileRun(source_text);
logger.StopLogging();
// Mostly superficial checks.
CHECK(logger.ContainsLine({"map,InitialMap", ",0x"}));
CHECK(logger.ContainsLine({"map,Transition", ",0x"}));
CHECK(logger.ContainsLine({"map-details", ",0x"}));
}
i::FLAG_trace_maps = false;
isolate->Dispose();
}
TEST(LogMaps) {
// Test that all Map details from Maps in the snapshot are logged properly.
SETUP_FLAGS();
i::FLAG_trace_maps = true;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
logger.StopLogging();
std::unordered_set<uintptr_t> map_addresses =
logger.ExtractAllAddresses("map-details", 2);
i::Heap* heap = reinterpret_cast<i::Isolate*>(isolate)->heap();
i::HeapIterator iterator(heap);
i::DisallowHeapAllocation no_gc;
// Iterate over all maps on the heap.
size_t i = 0;
for (i::HeapObject* obj = iterator.next(); obj != nullptr;
obj = iterator.next()) {
i++;
if (!obj->IsMap()) continue;
uintptr_t address = reinterpret_cast<uintptr_t>(obj);
if (map_addresses.find(address) != map_addresses.end()) continue;
i::Map::cast(obj)->Print();
V8_Fatal(__FILE__, __LINE__,
"Map (%p, #%zu) was not logged during startup with --trace-maps!"
"\n# Expected Log Line: map_details, ... %p",
reinterpret_cast<void*>(obj), i, reinterpret_cast<void*>(obj));
}
}
i::FLAG_log_function_events = false;
isolate->Dispose();
}
TEST(ConsoleTimeEvents) {
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
// Test that console time events are properly logged
const char* source_text =
"console.time();"
"console.timeEnd();"
"console.timeStamp();"
"console.time('timerEvent1');"
"console.timeEnd('timerEvent1');"
"console.timeStamp('timerEvent2');"
"console.timeStamp('timerEvent3');";
CompileRun(source_text);
logger.StopLogging();
std::vector<std::vector<std::string>> lines = {
{"timer-event-start,default,"}, {"timer-event-end,default,"},
{"timer-event,default,"}, {"timer-event-start,timerEvent1,"},
{"timer-event-end,timerEvent1,"}, {"timer-event,timerEvent2,"},
{"timer-event,timerEvent3,"}};
CHECK(logger.ContainsLinesInOrder(lines));
}
isolate->Dispose();
}
TEST(LogFunctionEvents) {
// Always opt and stress opt will break the fine-grained log order.
if (i::FLAG_always_opt) return;
SETUP_FLAGS();
i::FLAG_log_function_events = true;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
// Run some warmup code to help ignoring existing log entries.
CompileRun(
"function warmUp(a) {"
" let b = () => 1;"
" return function(c) { return a+b+c; };"
"};"
"warmUp(1)(2);"
"(function warmUpEndMarkerFunction(){})();");
const char* source_text =
"function lazyNotExecutedFunction() { return 'lazy' };"
"function lazyFunction() { "
" function lazyInnerFunction() { return 'lazy' };"
" return lazyInnerFunction;"
"};"
"let innerFn = lazyFunction();"
"innerFn();"
"(function eagerFunction(){ return 'eager' })();"
"function Foo() { this.foo = function(){}; };"
"let i = new Foo(); i.foo();";
CompileRun(source_text);
logger.StopLogging();
// Ignore all the log entries that happened before warmup
size_t start = logger.IndexOfLine(
{"function,first-execution", "warmUpEndMarkerFunction"});
CHECK(start != std::string::npos);
std::vector<std::vector<std::string>> lines = {
// Create a new script
{"script,create"},
{"script-details"},
// Step 1: parsing top-level script, preparsing functions
{"function,preparse-", ",lazyNotExecutedFunction"},
// Missing name for preparsing lazyInnerFunction
// {"function,preparse-", nullptr},
{"function,preparse-", ",lazyFunction"},
{"function,full-parse,", ",eagerFunction"},
{"function,preparse-", ",Foo"},
// Missing name for inner preparsing of Foo.foo
// {"function,preparse-", nullptr},
// Missing name for top-level script.
{"function,parse-script,"},
// Step 2: compiling top-level script and eager functions
// - Compiling script without name.
{"function,compile,"},
{"function,compile,", ",eagerFunction"},
// Step 3: start executing script
// Step 4. - lazy parse, lazy compiling and execute skipped functions
// - execute eager functions.
{"function,parse-function,", ",lazyFunction"},
{"function,compile-lazy,", ",lazyFunction"},
{"function,first-execution,", ",lazyFunction"},
{"function,parse-function,", ",lazyInnerFunction"},
{"function,compile-lazy,", ",lazyInnerFunction"},
{"function,first-execution,", ",lazyInnerFunction"},
{"function,first-execution,", ",eagerFunction"},
{"function,parse-function,", ",Foo"},
{"function,compile-lazy,", ",Foo"},
{"function,first-execution,", ",Foo"},
{"function,parse-function,", ",Foo.foo"},
{"function,compile-lazy,", ",Foo.foo"},
{"function,first-execution,", ",Foo.foo"},
};
CHECK(logger.ContainsLinesInOrder(lines, start));
}
i::FLAG_log_function_events = false;
isolate->Dispose();
}
TEST(BuiltinsNotLoggedAsLazyCompile) {
SETUP_FLAGS();
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
logger.LogCodeObjects();
logger.LogCompiledFunctions();
logger.StopLogging();
i::Handle<i::Code> builtin = logger.i_isolate()->builtins()->builtin_handle(
i::Builtins::kBooleanConstructor);
i::EmbeddedVector<char, 100> buffer;
// Should only be logged as "Builtin" with a name, never as "LazyCompile".
i::SNPrintF(buffer, ",0x%" V8PRIxPTR ",%d,BooleanConstructor",
builtin->InstructionStart(), builtin->InstructionSize());
CHECK(logger.ContainsLine(
{"code-creation,Builtin,3,", std::string(buffer.start())}));
i::SNPrintF(buffer, ",0x%" V8PRIxPTR ",%d,", builtin->InstructionStart(),
builtin->InstructionSize());
CHECK(!logger.ContainsLine(
{"code-creation,LazyCompile,3,", std::string(buffer.start())}));
}
isolate->Dispose();
}
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