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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdlib.h>
#include <string.h>
#include "src/v8.h"
#include "test/cctest/cctest.h"
#include "src/tracing/trace-event.h"
#define GET_TRACE_OBJECTS_LIST platform.GetMockTraceObjects()
#define GET_TRACE_OBJECT(Index) GET_TRACE_OBJECTS_LIST->at(Index)
struct MockTraceObject {
char phase;
std::string name;
uint64_t id;
uint64_t bind_id;
int num_args;
unsigned int flags;
int64_t timestamp;
MockTraceObject(char phase, std::string name, uint64_t id, uint64_t bind_id,
int num_args, int flags, int64_t timestamp)
: phase(phase),
name(name),
id(id),
bind_id(bind_id),
num_args(num_args),
flags(flags),
timestamp(timestamp) {}
};
typedef std::vector<MockTraceObject*> MockTraceObjectList;
class MockTracingController : public v8::TracingController {
public:
MockTracingController() = default;
~MockTracingController() {
for (size_t i = 0; i < trace_object_list_.size(); ++i) {
delete trace_object_list_[i];
}
trace_object_list_.clear();
}
uint64_t AddTraceEvent(
char phase, const uint8_t* category_enabled_flag, const char* name,
const char* scope, uint64_t id, uint64_t bind_id, int num_args,
const char** arg_names, const uint8_t* arg_types,
const uint64_t* arg_values,
std::unique_ptr<v8::ConvertableToTraceFormat>* arg_convertables,
unsigned int flags) override {
return AddTraceEventWithTimestamp(
phase, category_enabled_flag, name, scope, id, bind_id, num_args,
arg_names, arg_types, arg_values, arg_convertables, flags, 0);
}
uint64_t AddTraceEventWithTimestamp(
char phase, const uint8_t* category_enabled_flag, const char* name,
const char* scope, uint64_t id, uint64_t bind_id, int num_args,
const char** arg_names, const uint8_t* arg_types,
const uint64_t* arg_values,
std::unique_ptr<v8::ConvertableToTraceFormat>* arg_convertables,
unsigned int flags, int64_t timestamp) override {
MockTraceObject* to = new MockTraceObject(
phase, std::string(name), id, bind_id, num_args, flags, timestamp);
trace_object_list_.push_back(to);
return 0;
}
void UpdateTraceEventDuration(const uint8_t* category_enabled_flag,
const char* name, uint64_t handle) override {}
const uint8_t* GetCategoryGroupEnabled(const char* name) override {
if (strcmp(name, "v8-cat")) {
static uint8_t no = 0;
return &no;
} else {
static uint8_t yes = 0x7;
return &yes;
}
}
MockTraceObjectList* GetMockTraceObjects() { return &trace_object_list_; }
private:
MockTraceObjectList trace_object_list_;
DISALLOW_COPY_AND_ASSIGN(MockTracingController);
};
class MockTracingPlatform : public TestPlatform {
public:
MockTracingPlatform() {
// Now that it's completely constructed, make this the current platform.
i::V8::SetPlatformForTesting(this);
}
virtual ~MockTracingPlatform() {}
v8::TracingController* GetTracingController() override {
return &tracing_controller_;
}
MockTraceObjectList* GetMockTraceObjects() {
return tracing_controller_.GetMockTraceObjects();
}
private:
MockTracingController tracing_controller_;
};
TEST(TraceEventDisabledCategory) {
MockTracingPlatform platform;
// Disabled category, will not add events.
TRACE_EVENT_BEGIN0("cat", "e1");
TRACE_EVENT_END0("cat", "e1");
CHECK(GET_TRACE_OBJECTS_LIST->empty());
}
TEST(TraceEventNoArgs) {
MockTracingPlatform platform;
// Enabled category will add 2 events.
TRACE_EVENT_BEGIN0("v8-cat", "e1");
TRACE_EVENT_END0("v8-cat", "e1");
CHECK_EQ(2, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ('B', GET_TRACE_OBJECT(0)->phase);
CHECK_EQ("e1", GET_TRACE_OBJECT(0)->name);
CHECK_EQ(0, GET_TRACE_OBJECT(0)->num_args);
CHECK_EQ('E', GET_TRACE_OBJECT(1)->phase);
CHECK_EQ("e1", GET_TRACE_OBJECT(1)->name);
CHECK_EQ(0, GET_TRACE_OBJECT(1)->num_args);
}
TEST(TraceEventWithOneArg) {
MockTracingPlatform platform;
TRACE_EVENT_BEGIN1("v8-cat", "e1", "arg1", 42);
TRACE_EVENT_END1("v8-cat", "e1", "arg1", 42);
TRACE_EVENT_BEGIN1("v8-cat", "e2", "arg1", "abc");
TRACE_EVENT_END1("v8-cat", "e2", "arg1", "abc");
CHECK_EQ(4, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(1, GET_TRACE_OBJECT(0)->num_args);
CHECK_EQ(1, GET_TRACE_OBJECT(1)->num_args);
CHECK_EQ(1, GET_TRACE_OBJECT(2)->num_args);
CHECK_EQ(1, GET_TRACE_OBJECT(3)->num_args);
}
TEST(TraceEventWithTwoArgs) {
MockTracingPlatform platform;
TRACE_EVENT_BEGIN2("v8-cat", "e1", "arg1", 42, "arg2", "abc");
TRACE_EVENT_END2("v8-cat", "e1", "arg1", 42, "arg2", "abc");
TRACE_EVENT_BEGIN2("v8-cat", "e2", "arg1", "abc", "arg2", 43);
TRACE_EVENT_END2("v8-cat", "e2", "arg1", "abc", "arg2", 43);
CHECK_EQ(4, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(2, GET_TRACE_OBJECT(0)->num_args);
CHECK_EQ(2, GET_TRACE_OBJECT(1)->num_args);
CHECK_EQ(2, GET_TRACE_OBJECT(2)->num_args);
CHECK_EQ(2, GET_TRACE_OBJECT(3)->num_args);
}
TEST(ScopedTraceEvent) {
MockTracingPlatform platform;
{ TRACE_EVENT0("v8-cat", "e"); }
CHECK_EQ(1, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(0, GET_TRACE_OBJECT(0)->num_args);
{ TRACE_EVENT1("v8-cat", "e1", "arg1", "abc"); }
CHECK_EQ(2, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(1, GET_TRACE_OBJECT(1)->num_args);
{ TRACE_EVENT2("v8-cat", "e1", "arg1", "abc", "arg2", 42); }
CHECK_EQ(3, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(2, GET_TRACE_OBJECT(2)->num_args);
}
TEST(TestEventWithFlow) {
MockTracingPlatform platform;
static uint64_t bind_id = 21;
{
TRACE_EVENT_WITH_FLOW0("v8-cat", "f1", bind_id, TRACE_EVENT_FLAG_FLOW_OUT);
}
{
TRACE_EVENT_WITH_FLOW0(
"v8-cat", "f2", bind_id,
TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT);
}
{ TRACE_EVENT_WITH_FLOW0("v8-cat", "f3", bind_id, TRACE_EVENT_FLAG_FLOW_IN); }
CHECK_EQ(3, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(bind_id, GET_TRACE_OBJECT(0)->bind_id);
CHECK_EQ(TRACE_EVENT_FLAG_FLOW_OUT, GET_TRACE_OBJECT(0)->flags);
CHECK_EQ(bind_id, GET_TRACE_OBJECT(1)->bind_id);
CHECK_EQ(TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT,
GET_TRACE_OBJECT(1)->flags);
CHECK_EQ(bind_id, GET_TRACE_OBJECT(2)->bind_id);
CHECK_EQ(TRACE_EVENT_FLAG_FLOW_IN, GET_TRACE_OBJECT(2)->flags);
}
TEST(TestEventWithId) {
MockTracingPlatform platform;
static uint64_t event_id = 21;
TRACE_EVENT_ASYNC_BEGIN0("v8-cat", "a1", event_id);
TRACE_EVENT_ASYNC_END0("v8-cat", "a1", event_id);
CHECK_EQ(2, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(TRACE_EVENT_PHASE_ASYNC_BEGIN, GET_TRACE_OBJECT(0)->phase);
CHECK_EQ(event_id, GET_TRACE_OBJECT(0)->id);
CHECK_EQ(TRACE_EVENT_PHASE_ASYNC_END, GET_TRACE_OBJECT(1)->phase);
CHECK_EQ(event_id, GET_TRACE_OBJECT(1)->id);
}
TEST(TestEventInContext) {
MockTracingPlatform platform;
static uint64_t isolate_id = 0x20151021;
{
TRACE_EVENT_SCOPED_CONTEXT("v8-cat", "Isolate", isolate_id);
TRACE_EVENT0("v8-cat", "e");
}
CHECK_EQ(3, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(TRACE_EVENT_PHASE_ENTER_CONTEXT, GET_TRACE_OBJECT(0)->phase);
CHECK_EQ("Isolate", GET_TRACE_OBJECT(0)->name);
CHECK_EQ(isolate_id, GET_TRACE_OBJECT(0)->id);
CHECK_EQ(TRACE_EVENT_PHASE_COMPLETE, GET_TRACE_OBJECT(1)->phase);
CHECK_EQ("e", GET_TRACE_OBJECT(1)->name);
CHECK_EQ(TRACE_EVENT_PHASE_LEAVE_CONTEXT, GET_TRACE_OBJECT(2)->phase);
CHECK_EQ("Isolate", GET_TRACE_OBJECT(2)->name);
CHECK_EQ(isolate_id, GET_TRACE_OBJECT(2)->id);
}
TEST(TestEventWithTimestamp) {
MockTracingPlatform platform;
TRACE_EVENT_INSTANT_WITH_TIMESTAMP0("v8-cat", "0arg",
TRACE_EVENT_SCOPE_GLOBAL, 1729);
TRACE_EVENT_INSTANT_WITH_TIMESTAMP1("v8-cat", "1arg",
TRACE_EVENT_SCOPE_GLOBAL, 4104, "val", 1);
TRACE_EVENT_MARK_WITH_TIMESTAMP2("v8-cat", "mark", 13832, "a", 1, "b", 2);
CHECK_EQ(3, GET_TRACE_OBJECTS_LIST->size());
CHECK_EQ(1729, GET_TRACE_OBJECT(0)->timestamp);
CHECK_EQ(0, GET_TRACE_OBJECT(0)->num_args);
CHECK_EQ(4104, GET_TRACE_OBJECT(1)->timestamp);
CHECK_EQ(1, GET_TRACE_OBJECT(1)->num_args);
CHECK_EQ(13832, GET_TRACE_OBJECT(2)->timestamp);
CHECK_EQ(2, GET_TRACE_OBJECT(2)->num_args);
}