5654b305e5
cd webrtc/base svn diff -r 6463:6464 http://webrtc.googlecode.com/svn/trunk/talk/base > 6464.diff patch -p0 -i 6464.diff BUG=3379 TBR=phoglund@webrtc.org Review URL: https://webrtc-codereview.appspot.com/12749005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6466 4adac7df-926f-26a2-2b94-8c16560cd09d
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/base/gunit.h"
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#include "webrtc/base/profiler.h"
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#include "webrtc/base/thread.h"
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namespace {
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const int kWaitMs = 250;
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const double kWaitSec = 0.250;
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const double kTolerance = 0.1;
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const char* TestFunc() {
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PROFILE_F();
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rtc::Thread::SleepMs(kWaitMs);
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return __FUNCTION__;
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}
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} // namespace
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namespace rtc {
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TEST(ProfilerTest, TestFunction) {
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ASSERT_TRUE(Profiler::Instance()->Clear());
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// Profile a long-running function.
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const char* function_name = TestFunc();
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const ProfilerEvent* event = Profiler::Instance()->GetEvent(function_name);
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ASSERT_TRUE(event != NULL);
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EXPECT_FALSE(event->is_started());
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EXPECT_EQ(1, event->event_count());
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EXPECT_NEAR(kWaitSec, event->mean(), kTolerance * 3);
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// Run it a second time.
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TestFunc();
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EXPECT_FALSE(event->is_started());
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EXPECT_EQ(2, event->event_count());
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EXPECT_NEAR(kWaitSec, event->mean(), kTolerance);
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EXPECT_NEAR(kWaitSec * 2, event->total_time(), kTolerance * 2);
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EXPECT_DOUBLE_EQ(event->mean(), event->total_time() / event->event_count());
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}
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TEST(ProfilerTest, TestScopedEvents) {
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const std::string kEvent1Name = "Event 1";
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const std::string kEvent2Name = "Event 2";
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const int kEvent2WaitMs = 150;
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const double kEvent2WaitSec = 0.150;
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const ProfilerEvent* event1;
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const ProfilerEvent* event2;
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ASSERT_TRUE(Profiler::Instance()->Clear());
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{ // Profile a scope.
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PROFILE(kEvent1Name);
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event1 = Profiler::Instance()->GetEvent(kEvent1Name);
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ASSERT_TRUE(event1 != NULL);
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EXPECT_TRUE(event1->is_started());
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EXPECT_EQ(0, event1->event_count());
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rtc::Thread::SleepMs(kWaitMs);
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EXPECT_TRUE(event1->is_started());
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}
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// Check the result.
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EXPECT_FALSE(event1->is_started());
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EXPECT_EQ(1, event1->event_count());
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EXPECT_NEAR(kWaitSec, event1->mean(), kTolerance);
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{ // Profile a second event.
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PROFILE(kEvent2Name);
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event2 = Profiler::Instance()->GetEvent(kEvent2Name);
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ASSERT_TRUE(event2 != NULL);
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EXPECT_FALSE(event1->is_started());
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EXPECT_TRUE(event2->is_started());
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rtc::Thread::SleepMs(kEvent2WaitMs);
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}
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// Check the result.
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EXPECT_FALSE(event2->is_started());
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EXPECT_EQ(1, event2->event_count());
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// The difference here can be as much as 0.33, so we need high tolerance.
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EXPECT_NEAR(kEvent2WaitSec, event2->mean(), kTolerance * 4);
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// Make sure event1 is unchanged.
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EXPECT_FALSE(event1->is_started());
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EXPECT_EQ(1, event1->event_count());
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{ // Run another event 1.
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PROFILE(kEvent1Name);
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EXPECT_TRUE(event1->is_started());
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rtc::Thread::SleepMs(kWaitMs);
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}
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// Check the result.
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EXPECT_FALSE(event1->is_started());
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EXPECT_EQ(2, event1->event_count());
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EXPECT_NEAR(kWaitSec, event1->mean(), kTolerance);
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EXPECT_NEAR(kWaitSec * 2, event1->total_time(), kTolerance * 2);
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EXPECT_DOUBLE_EQ(event1->mean(),
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event1->total_time() / event1->event_count());
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}
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TEST(ProfilerTest, Clear) {
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ASSERT_TRUE(Profiler::Instance()->Clear());
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PROFILE_START("event");
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EXPECT_FALSE(Profiler::Instance()->Clear());
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EXPECT_TRUE(Profiler::Instance()->GetEvent("event") != NULL);
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PROFILE_STOP("event");
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EXPECT_TRUE(Profiler::Instance()->Clear());
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EXPECT_EQ(NULL, Profiler::Instance()->GetEvent("event"));
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}
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} // namespace rtc
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