Skip to content

V
V8
Commit e64230c1 authored by alph@chromium.org's avatar alph@chromium.org
Browse files
Options

Unflake and speedup JsNative*Sample cpu profile tests 

Instead of running cpu profiler for a hundred milliseconds,
collecting samples distributed in a non-deterministic way all along
the code, make the tests rely on a single sample we collect on
the profiler start.

R=bmeurer@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/301603005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22345 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 4468f441
Hide whitespace changes
Inline Side-by-side
Showing with 54 additions and 109 deletions
src/profile-generator.cc
View file @ e64230c1
......@@ -469,9 +469,10 @@ bool CpuProfilesCollection::StartProfiling(const char* title,
}
for (int i = 0; i < current_profiles_.length(); ++i) {
if (strcmp(current_profiles_[i]->title(), title) == 0) {
// Ignore attempts to start profile with the same title.
// Ignore attempts to start profile with the same title...
current_profiles_semaphore_.Signal();
return false;
// ... though return true to force it collect a sample.
return true;
}
}
current_profiles_.Add(new CpuProfile(title, record_samples));
......
test/cctest/cctest.status
View file @ e64230c1
......@@ -70,11 +70,6 @@
'test-hydrogen-types/*': [PASS, NO_VARIANTS],
'test-types/*': [PASS, NO_VARIANTS],
# The cpu profiler tests are notoriously flaky.
# BUG(2999). (test/cpu-profiler/CollectCpuProfile)
# BUG(3287). (test-cpu-profiler/SampleWhenFrameIsNotSetup)
'test-cpu-profiler/*': [PASS, FLAKY],
############################################################################
# Slow tests.
'test-api/Threading1': [PASS, ['mode == debug', SLOW]],
......
test/cctest/test-cpu-profiler.cc
View file @ e64230c1
......@@ -1023,23 +1023,20 @@ TEST(NativeMethodMonomorphicIC) {
}
static const char* bound_function_test_source = "function foo(iterations) {\n"
" var r = 0;\n"
" for (var i = 0; i < iterations; i++) { r += i; }\n"
" return r;\n"
"}\n"
"function start(duration) {\n"
" var callback = foo.bind(this);\n"
" var start = Date.now();\n"
" while (Date.now() - start < duration) {\n"
" callback(10 * 1000);\n"
" }\n"
"}";
static const char* bound_function_test_source =
"function foo() {\n"
" startProfiling('my_profile');\n"
"}\n"
"function start() {\n"
" var callback = foo.bind(this);\n"
" callback();\n"
"}";
TEST(BoundFunctionCall) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
v8::HandleScope scope(CcTest::isolate());
v8::Local<v8::Context> env = CcTest::NewContext(PROFILER_EXTENSION);
v8::Context::Scope context_scope(env);
v8::Script::Compile(
v8::String::NewFromUtf8(env->GetIsolate(), bound_function_test_source))
......@@ -1047,12 +1044,7 @@ TEST(BoundFunctionCall) {
v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "start")));
int32_t duration_ms = 100;
v8::Handle<v8::Value> args[] = {
v8::Integer::New(env->GetIsolate(), duration_ms)
};
v8::CpuProfile* profile =
RunProfiler(env.local(), function, args, ARRAY_SIZE(args), 100);
v8::CpuProfile* profile = RunProfiler(env, function, NULL, 0, 0);
const v8::CpuProfileNode* root = profile->GetTopDownRoot();
ScopedVector<v8::Handle<v8::String> > names(3);
......@@ -1314,27 +1306,17 @@ TEST(CpuProfileDeepStack) {
static const char* js_native_js_test_source =
"var is_profiling = false;\n"
"function foo(iterations) {\n"
" if (!is_profiling) {\n"
" is_profiling = true;\n"
" startProfiling('my_profile');\n"
" }\n"
" var r = 0;\n"
" for (var i = 0; i < iterations; i++) { r += i; }\n"
" return r;\n"
"}\n"
"function bar(iterations) {\n"
" try { foo(iterations); } catch(e) {}\n"
"}\n"
"function start(duration) {\n"
" var start = Date.now();\n"
" while (Date.now() - start < duration) {\n"
" try {\n"
" CallJsFunction(bar, 10 * 1000);\n"
" } catch(e) {}\n"
" }\n"
"}";
"function foo() {\n"
" startProfiling('my_profile');\n"
"}\n"
"function bar() {\n"
" try { foo(); } catch(e) {}\n"
"}\n"
"function start() {\n"
" try {\n"
" CallJsFunction(bar);\n"
" } catch(e) {}\n"
"}";
static void CallJsFunction(const v8::FunctionCallbackInfo<v8::Value>& info) {
v8::Handle<v8::Function> function = info[0].As<v8::Function>();
......@@ -1367,12 +1349,7 @@ TEST(JsNativeJsSample) {
v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "start")));
int32_t duration_ms = 20;
v8::Handle<v8::Value> args[] = {
v8::Integer::New(env->GetIsolate(), duration_ms)
};
v8::CpuProfile* profile =
RunProfiler(env, function, args, ARRAY_SIZE(args), 10);
v8::CpuProfile* profile = RunProfiler(env, function, NULL, 0, 0);
const v8::CpuProfileNode* root = profile->GetTopDownRoot();
{
......@@ -1403,28 +1380,18 @@ TEST(JsNativeJsSample) {
static const char* js_native_js_runtime_js_test_source =
"var is_profiling = false;\n"
"function foo(iterations) {\n"
" if (!is_profiling) {\n"
" is_profiling = true;\n"
" startProfiling('my_profile');\n"
" }\n"
" var r = 0;\n"
" for (var i = 0; i < iterations; i++) { r += i; }\n"
" return r;\n"
"}\n"
"var bound = foo.bind(this);\n"
"function bar(iterations) {\n"
" try { bound(iterations); } catch(e) {}\n"
"}\n"
"function start(duration) {\n"
" var start = Date.now();\n"
" while (Date.now() - start < duration) {\n"
" try {\n"
" CallJsFunction(bar, 10 * 1000);\n"
" } catch(e) {}\n"
" }\n"
"}";
"function foo() {\n"
" startProfiling('my_profile');\n"
"}\n"
"var bound = foo.bind(this);\n"
"function bar() {\n"
" try { bound(); } catch(e) {}\n"
"}\n"
"function start() {\n"
" try {\n"
" CallJsFunction(bar);\n"
" } catch(e) {}\n"
"}";
// [Top down]:
......@@ -1452,12 +1419,7 @@ TEST(JsNativeJsRuntimeJsSample) {
v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "start")));
int32_t duration_ms = 20;
v8::Handle<v8::Value> args[] = {
v8::Integer::New(env->GetIsolate(), duration_ms)
};
v8::CpuProfile* profile =
RunProfiler(env, function, args, ARRAY_SIZE(args), 10);
v8::CpuProfile* profile = RunProfiler(env, function, NULL, 0, 0);
const v8::CpuProfileNode* root = profile->GetTopDownRoot();
ScopedVector<v8::Handle<v8::String> > names(3);
......@@ -1496,27 +1458,19 @@ static void CallJsFunction2(const v8::FunctionCallbackInfo<v8::Value>& info) {
static const char* js_native1_js_native2_js_test_source =
"var is_profiling = false;\n"
"function foo(iterations) {\n"
" if (!is_profiling) {\n"
" is_profiling = true;\n"
" startProfiling('my_profile');\n"
" }\n"
" var r = 0;\n"
" for (var i = 0; i < iterations; i++) { r += i; }\n"
" return r;\n"
"}\n"
"function bar(iterations) {\n"
" CallJsFunction2(foo, iterations);\n"
"}\n"
"function start(duration) {\n"
" var start = Date.now();\n"
" while (Date.now() - start < duration) {\n"
" try {\n"
" CallJsFunction1(bar, 10 * 1000);\n"
" } catch(e) {}\n"
" }\n"
"}";
"function foo() {\n"
" try {\n"
" startProfiling('my_profile');\n"
" } catch(e) {}\n"
"}\n"
"function bar() {\n"
" CallJsFunction2(foo);\n"
"}\n"
"function start() {\n"
" try {\n"
" CallJsFunction1(bar);\n"
" } catch(e) {}\n"
"}";
// [Top down]:
......@@ -1551,12 +1505,7 @@ TEST(JsNative1JsNative2JsSample) {
v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "start")));
int32_t duration_ms = 20;
v8::Handle<v8::Value> args[] = {
v8::Integer::New(env->GetIsolate(), duration_ms)
};
v8::CpuProfile* profile =
RunProfiler(env, function, args, ARRAY_SIZE(args), 10);
v8::CpuProfile* profile = RunProfiler(env, function, NULL, 0, 0);
const v8::CpuProfileNode* root = profile->GetTopDownRoot();
ScopedVector<v8::Handle<v8::String> > names(3);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment