AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

DevTools: CPUProfiler: provide url for scripts that have sourceURL property.

Browse Source 
BUG=none
TEST=SourceURLSupportForNewFunctions, LogExistingFunctionSourceURLCheck
R=jkummerow@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/16035027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15074 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
loislo@chromium.org 2013-06-12 08:27:24 +00:00
parent 1e4448b581
commit 29abaf4aad
4 changed files with 99 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/compiler.cc
View File

@ -1141,7 +1141,16 @@ void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag,
Handle<Code> code = info->code();
if (*code == info->isolate()->builtins()->builtin(Builtins::kLazyCompile))
return;
Handle<String> script_name;
if (script->name()->IsString()) {
script_name = Handle<String>(String::cast(script->name()));
} else {
Handle<Object> name = GetScriptNameOrSourceURL(script);
if (!name.is_null() && name->IsString()) {
script_name = Handle<String>::cast(name);
}
}
if (!script_name.is_null()) {
int line_num = GetScriptLineNumber(script, shared->start_position()) + 1;
USE(line_num);
PROFILE(info->isolate(),
@ -1149,7 +1158,7 @@ void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag,
*code,
*shared,
info,
String::cast(script->name()),
String::cast(*script_name),
line_num));
} else {
PROFILE(info->isolate(),

3
src/handles.cc
View File

@ -599,6 +599,9 @@ v8::Handle<v8::Array> GetKeysForIndexedInterceptor(Handle<JSReceiver> receiver,
Handle<Object> GetScriptNameOrSourceURL(Handle<Script> script) {
Isolate* isolate = script->GetIsolate();
if (!isolate->IsInitialized()) {
return isolate->factory()->undefined_value();
}
Handle<String> name_or_source_url_key =
isolate->factory()->InternalizeOneByteString(
STATIC_ASCII_VECTOR("nameOrSourceURL"));

12
src/log.cc
View File

@ -1728,10 +1728,18 @@ void Logger::LogExistingFunction(Handle<SharedFunctionInfo> shared,
Handle<String> func_name(shared->DebugName());
if (shared->script()->IsScript()) {
Handle<Script> script(Script::cast(shared->script()));
Handle<String> script_name;
if (script->name()->IsString()) {
Handle<String> script_name(String::cast(script->name()));
script_name = Handle<String>(String::cast(script->name()));
} else {
Handle<Object> name = GetScriptNameOrSourceURL(script);
if (!name.is_null() && name->IsString()) {
script_name = Handle<String>::cast(name);
}
}
if (!script_name.is_null()) {
int line_num = GetScriptLineNumber(script, shared->start_position());
if (line_num > 0) {
if (line_num > -1) {
PROFILE(isolate_,
CodeCreateEvent(
Logger::ToNativeByScript(Logger::LAZY_COMPILE_TAG, *script),

76
test/cctest/test-cpu-profiler.cc
View File

@ -917,3 +917,79 @@ TEST(NativeMethodMonomorphicIC) {
cpu_profiler->DeleteAllCpuProfiles();
}
static const char* cpu_profiler_sourceURL_source =
"function start(timeout) {\n"
" var start = Date.now();\n"
" var duration = 0;\n"
" do {\n"
" try {\n"
" duration = Date.now() - start;\n"
" } catch(e) { }\n"
" } while (duration < timeout);\n"
" return duration;\n"
"}\n"
"//# sourceURL=cpu_profiler_sourceURL_source.js";
TEST(SourceURLSupportForNewFunctions) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
v8::Script::Compile(v8::String::New(cpu_profiler_sourceURL_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();
int32_t profiling_interval_ms = 100;
// Cold run.
v8::Local<v8::String> profile_name = v8::String::New("my_profile");
cpu_profiler->StartCpuProfiling(profile_name);
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();
const v8::CpuProfileNode* startNode = GetChild(root, "start");
CHECK_EQ(v8::String::New("cpu_profiler_sourceURL_source.js"),
startNode->GetScriptResourceName());
cpu_profiler->DeleteAllCpuProfiles();
}
TEST(LogExistingFunctionSourceURLCheck) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
v8::Script::Compile(v8::String::New(cpu_profiler_sourceURL_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();
int32_t profiling_interval_ms = 100;
// Warm up.
v8::Handle<v8::Value> args[] = { v8::Integer::New(profiling_interval_ms) };
function->Call(env->Global(), ARRAY_SIZE(args), args);
v8::Local<v8::String> profile_name = v8::String::New("my_profile");
cpu_profiler->StartCpuProfiling(profile_name);
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();
const v8::CpuProfileNode* startNode = GetChild(root, "start");
CHECK_EQ(v8::String::New("cpu_profiler_sourceURL_source.js"),
startNode->GetScriptResourceName());
cpu_profiler->DeleteAllCpuProfiles();
}