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v8/test/cctest/test-log.cc
Camillo Bruni e634740bf9 [log] Support --log-function-events in the parser 
This partially retires --trace-parse and --trace-preparse which will be fully removed in
a later CL.

Drive-by-fix: make the Parser constructor arguments order more
consistent.

Bug: chromium:757467
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I80a688ce553adfa65ad346718604bd53a9e606a9
Reviewed-on: https://chromium-review.googlesource.com/744046
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49350}
2017-11-14 10:36:58 +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
#ifdef __linux__
#include <pthread.h>
#include <signal.h>
#include <unistd.h>
#include <cmath>
#endif // __linux__
#include "src/api.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/utils.h"
#include "src/v8.h"
#include "src/v8threads.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 const char* StrNStr(const char* s1, const char* s2, size_t n) {
CHECK_EQ(s1[n], '\0');
return strstr(s1, s2);
}
static const char* FindLogLine(const char* start, const char* end,
const char* prefix,
const char* suffix = nullptr) {
CHECK_LT(start, end);
// Look for a log line which starts with {prefix} and ends with {suffix}.
CHECK_EQ(end[0], '\0');
size_t prefixLength = strlen(prefix);
// Loop through the input until we find /{prefix}[^\n]+{suffix}/.
while (start < end) {
const char* prefixResult = StrNStr(start, prefix, (end - start));
if (!prefixResult) return NULL;
if (suffix == nullptr) return prefixResult;
const char* suffixResult =
StrNStr(prefixResult, suffix, (end - prefixResult));
if (!suffixResult) return NULL;
// Check that there are no newlines in between the {prefix} and the {suffix}
// results.
const char* newlineResult =
StrNStr(prefixResult, "\n", (end - prefixResult));
if (!newlineResult) return prefixResult;
if (newlineResult > suffixResult) return prefixResult;
start = prefixResult + prefixLength;
}
return NULL;
}
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_;
log_.Dispose();
}
v8::Local<v8::Context>& env() { return env_; }
v8::Isolate* isolate() { return isolate_; }
Logger* logger() { return logger_; }
void PrintLog(int nofLines = 0) {
if (nofLines <= 0) {
printf("%s", log_.start());
return;
}
// Try to print the last {nofLines} of the log.
const char* start = log_.start();
const char* current = log_.end();
while (current > start && nofLines > 0) {
current--;
if (*current == '\n') nofLines--;
}
printf(
"======================================================\n"
"Last log lines:\n...%s\n"
"======================================================",
current);
}
v8::Local<v8::String> GetLogString() {
return v8::String::NewFromUtf8(isolate_, log_.start(),
v8::NewStringType::kNormal, log_.length())
.ToLocalChecked();
}
void StopLogging() {
bool exists = false;
log_ = i::ReadFile(StopLoggingGetTempFile(), &exists, true);
CHECK(exists);
}
const char* FindLine(const char* prefix, const char* suffix = nullptr,
const char* start = nullptr) {
// Make sure that StopLogging() has been called before.
CHECK(log_.size());
if (start == nullptr) start = log_.start();
const char* end = log_.start() + log_.length();
return FindLogLine(start, end, prefix, suffix);
}
// Find all log lines specified by the {prefix, suffix} pairs and ensure they
// occurr in the specified order.
void FindLogLines(const char* pairs[][2], size_t limit,
const char* start = nullptr) {
const char* prefix = pairs[0][0];
const char* suffix = pairs[0][1];
const char* last_position = FindLine(prefix, suffix, start);
if (last_position == nullptr) {
PrintLog(50);
V8_Fatal(__FILE__, __LINE__, "Could not find log line: %s ... %s", prefix,
suffix);
}
CHECK(last_position);
for (size_t i = 1; i < limit; i++) {
prefix = pairs[i][0];
suffix = pairs[i][1];
const char* position = FindLine(prefix, suffix, start);
if (position == nullptr) {
PrintLog(50);
V8_Fatal(__FILE__, __LINE__, "Could not find log line: %s ... %s",
prefix, suffix);
}
// Check that all string positions are in order.
if (position <= last_position) {
PrintLog(50);
V8_Fatal(__FILE__, __LINE__,
"Log statements not in expected order (prev=%p, current=%p): "
"%s ... %s",
reinterpret_cast<const void*>(last_position),
reinterpret_cast<const void*>(position), prefix, suffix);
}
last_position = position;
}
}
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_;
i::Vector<const char> log_;
DISALLOW_COPY_AND_ASSIGN(ScopedLoggerInitializer);
};
} // namespace
TEST(FindLogLine) {
const char* string =
"prefix1, stuff, suffix1\n"
"prefix2, stuff\n, suffix2\n"
"prefix3suffix3\n"
"prefix4 suffix4";
const char* end = string + strlen(string);
// Make sure the vector contains the terminating \0 character.
CHECK(FindLogLine(string, end, "prefix1, stuff, suffix1"));
CHECK(FindLogLine(string, end, "prefix1, stuff"));
CHECK(FindLogLine(string, end, "prefix1"));
CHECK(FindLogLine(string, end, "prefix1", "suffix1"));
CHECK(FindLogLine(string, end, "prefix1", "suffix1"));
CHECK(!FindLogLine(string, end, "prefix2", "suffix2"));
CHECK(!FindLogLine(string, end, "prefix1", "suffix2"));
CHECK(!FindLogLine(string, end, "prefix1", "suffix3"));
CHECK(FindLogLine(string, end, "prefix3", "suffix3"));
CHECK(FindLogLine(string, end, "prefix4", "suffix4"));
CHECK(!FindLogLine(string, end, "prefix4", "suffix4XXXXXXXXXXXX"));
CHECK(
!FindLogLine(string, end, "prefix4XXXXXXXXXXXXXXXXXXXXXXxxx", "suffix4"));
CHECK(!FindLogLine(string, end, "suffix", "suffix5XXXXXXXXXXXXXXXXXXXX"));
}
// BUG(913). Need to implement support for profiling multiple VM threads.
#if 0
namespace {
class LoopingThread : public v8::internal::Thread {
public:
explicit LoopingThread(v8::internal::Isolate* isolate)
: v8::internal::Thread(isolate),
semaphore_(new v8::internal::Semaphore(0)),
run_(true) {
}
virtual ~LoopingThread() { delete semaphore_; }
void Run() {
self_ = pthread_self();
RunLoop();
}
void SendSigProf() { pthread_kill(self_, SIGPROF); }
void Stop() { run_ = false; }
bool WaitForRunning() { return semaphore_->Wait(1000000); }
protected:
bool IsRunning() { return run_; }
virtual void RunLoop() = 0;
void SetV8ThreadId() {
v8_thread_id_ = v8::V8::GetCurrentThreadId();
}
void SignalRunning() { semaphore_->Signal(); }
private:
v8::internal::Semaphore* semaphore_;
bool run_;
pthread_t self_;
int v8_thread_id_;
};
class LoopingJsThread : public LoopingThread {
public:
explicit LoopingJsThread(v8::internal::Isolate* isolate)
: LoopingThread(isolate) { }
void RunLoop() {
v8::Locker locker;
CHECK_NOT_NULL(CcTest::i_isolate());
CHECK_GT(CcTest::i_isolate()->thread_manager()->CurrentId(), 0);
SetV8ThreadId();
while (IsRunning()) {
v8::HandleScope scope;
v8::Persistent<v8::Context> context = v8::Context::New();
CHECK(!context.IsEmpty());
{
v8::Context::Scope context_scope(context);
SignalRunning();
CompileRun(
"var j; for (var i=0; i<10000; ++i) { j = Math.sin(i); }");
}
context.Dispose();
i::OS::Sleep(v8::base::TimeDelta::FromMilliseconds(1));
}
}
};
class LoopingNonJsThread : public LoopingThread {
public:
explicit LoopingNonJsThread(v8::internal::Isolate* isolate)
: LoopingThread(isolate) { }
void RunLoop() {
v8::Locker locker;
v8::Unlocker unlocker;
// Now thread has V8's id, but will not run VM code.
CHECK_NOT_NULL(CcTest::i_isolate());
CHECK_GT(CcTest::i_isolate()->thread_manager()->CurrentId(), 0);
double i = 10;
SignalRunning();
while (IsRunning()) {
i = std::sin(i);
i::OS::Sleep(v8::base::TimeDelta::FromMilliseconds(1));
}
}
};
class TestSampler : public v8::internal::Sampler {
public:
explicit TestSampler(v8::internal::Isolate* isolate)
: Sampler(isolate, 0, true, true),
semaphore_(new v8::internal::Semaphore(0)),
was_sample_stack_called_(false) {
}
~TestSampler() { delete semaphore_; }
void SampleStack(v8::internal::TickSample*) {
was_sample_stack_called_ = true;
}
void Tick(v8::internal::TickSample*) { semaphore_->Signal(); }
bool WaitForTick() { return semaphore_->Wait(1000000); }
void Reset() { was_sample_stack_called_ = false; }
bool WasSampleStackCalled() { return was_sample_stack_called_; }
private:
v8::internal::Semaphore* semaphore_;
bool was_sample_stack_called_;
};
} // namespace
TEST(ProfMultipleThreads) {
TestSampler* sampler = nullptr;
{
v8::Locker locker;
sampler = new TestSampler(CcTest::i_isolate());
sampler->Start();
CHECK(sampler->IsActive());
}
LoopingJsThread jsThread(CcTest::i_isolate());
jsThread.Start();
LoopingNonJsThread nonJsThread(CcTest::i_isolate());
nonJsThread.Start();
CHECK(!sampler->WasSampleStackCalled());
jsThread.WaitForRunning();
jsThread.SendSigProf();
CHECK(sampler->WaitForTick());
CHECK(sampler->WasSampleStackCalled());
sampler->Reset();
CHECK(!sampler->WasSampleStackCalled());
nonJsThread.WaitForRunning();
nonJsThread.SendSigProf();
CHECK(!sampler->WaitForTick());
CHECK(!sampler->WasSampleStackCalled());
sampler->Stop();
jsThread.Stop();
nonJsThread.Stop();
jsThread.Join();
nonJsThread.Join();
delete sampler;
}
#endif // __linux__
// 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)));
// This situation can happen if source was an external string disposed
// by its owner.
i_source->set_resource(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> ref_data;
i::SNPrintF(ref_data, ",0x%" V8PRIxPTR ",1,method1",
reinterpret_cast<intptr_t>(ObjMethod1_entry));
CHECK(logger.FindLine("code-creation,Callback,-2,", ref_data.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",
reinterpret_cast<intptr_t>(Prop1Getter_entry));
CHECK(logger.FindLine("code-creation,Callback,-2,",
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",
reinterpret_cast<intptr_t>(Prop1Setter_entry));
CHECK(logger.FindLine("code-creation,Callback,-2,",
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",
reinterpret_cast<intptr_t>(Prop2Getter_entry));
CHECK(logger.FindLine("code-creation,Callback,-2,",
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());
printf("compile: %s\n", *exception);
CHECK(false);
}
v8::Local<v8::Value> result;
if (!script->Run(logger.env()).ToLocal(&result)) {
v8::String::Utf8Value exception(isolate, try_catch.Exception());
printf("run: %s\n", *exception);
CHECK(false);
}
// 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() + 1);
CHECK(data.start());
s->WriteUtf8(data.start());
printf("%s\n", data.start());
// Make sure that our output is written prior crash due to CHECK failure.
fflush(stdout);
CHECK(false);
}
}
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> ref_data;
i::SNPrintF(ref_data, "%d,%d,%d,%d,%d", i::Version::GetMajor(),
i::Version::GetMinor(), i::Version::GetBuild(),
i::Version::GetPatch(), i::Version::IsCandidate());
CHECK(logger.FindLine("v8-version,", ref_data.start()));
}
isolate->Dispose();
}
// https://crbug.com/539892
// CodeCreateEvents with really large names should not crash.
TEST(Issue539892) {
class : public i::CodeEventLogger {
public:
void CodeMoveEvent(i::AbstractCode* from, Address 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 {}
} code_event_logger;
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);
// Function that will
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.FindLine("api,v8::Context::New"));
CHECK(logger.FindLine("timer-event-start", "V8.CompileCode"));
CHECK(logger.FindLine("timer-event-end", "V8.CompileCode"));
CHECK(logger.FindLine("code-creation,Script", ":1:1"));
CHECK(logger.FindLine("api,v8::Script::Run"));
CHECK(logger.FindLine("code-creation,LazyCompile,", "testAddFn"));
if (i::FLAG_opt && !i::FLAG_always_opt) {
CHECK(logger.FindLine("code-deopt,", "soft"));
CHECK(logger.FindLine("timer-event-start", "V8.DeoptimizeCode"));
CHECK(logger.FindLine("timer-event-end", "V8.DeoptimizeCode"));
}
}
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.FindLine("map,InitialMap", ",0x"));
CHECK(logger.FindLine("map,Transition", ",0x"));
CHECK(logger.FindLine("map-details", ",0x"));
}
i::FLAG_trace_maps = 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();
const char* pairs[][2] = {{"timer-event-start,default,", nullptr},
{"timer-event-end,default,", nullptr},
{"timer-event,default,", nullptr},
{"timer-event-start,timerEvent1,", nullptr},
{"timer-event-end,timerEvent1,", nullptr},
{"timer-event,timerEvent2,", nullptr},
{"timer-event,timerEvent3,", nullptr}};
logger.FindLogLines(pairs, arraysize(pairs));
}
isolate->Dispose();
}
TEST(LogFunctionEvents) {
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);
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();
// TODO(cbruni): Extend with first-execution log statements.
CHECK_NULL(
logger.FindLine("function,compile-lazy,", ",lazyNotExecutedFunction"));
// Only consider the log starting from the first preparse statement on.
const char* start =
logger.FindLine("function,preparse-", ",lazyNotExecutedFunction");
const char* pairs[][2] = {
// 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,", nullptr},
// Step 2: compiling top-level script and eager functions
// - Compiling script without name.
{"function,compile,,", nullptr},
{"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,parse-function,", ",lazyInnerFunction"},
{"function,compile-lazy,", ",lazyInnerFunction"},
{"function,parse-function,", ",Foo"},
{"function,compile-lazy,", ",Foo"},
{"function,parse-function,", ",Foo.foo"},
{"function,compile-lazy,", ",Foo.foo"},
};
logger.FindLogLines(pairs, arraysize(pairs), start);
}
i::FLAG_log_function_events = false;
isolate->Dispose();
}
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