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/*
* Copyright (c) 2012 The WebRTC 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 in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "system_wrappers/interface/cpu_wrapper.h"
#include "gtest/gtest.h"
#include "system_wrappers/interface/cpu_info.h"
#include "system_wrappers/interface/event_wrapper.h"
#include "system_wrappers/interface/scoped_ptr.h"
#include "system_wrappers/interface/trace.h"
#include "testsupport/fileutils.h"
using webrtc::CpuInfo;
using webrtc::CpuWrapper;
using webrtc::EventWrapper;
using webrtc::scoped_ptr;
using webrtc::Trace;
// This test is flaky on Windows/Release.
// http://code.google.com/p/webrtc/issues/detail?id=290
#ifdef _WIN32
#define MAYBE_Usage DISABLED_Usage
#else
#define MAYBE_Usage Usage
#endif
TEST(CpuWrapperTest, MAYBE_Usage) {
Trace::CreateTrace();
std::string trace_file = webrtc::test::OutputPath() +
"cpu_wrapper_unittest.txt";
Trace::SetTraceFile(trace_file.c_str());
Trace::SetLevelFilter(webrtc::kTraceAll);
printf("Number of cores detected:%u\n", CpuInfo::DetectNumberOfCores());
scoped_ptr<CpuWrapper> cpu(CpuWrapper::CreateCpu());
ASSERT_TRUE(cpu.get() != NULL);
scoped_ptr<EventWrapper> sleep_event(EventWrapper::Create());
ASSERT_TRUE(sleep_event.get() != NULL);
int num_iterations = 0;
WebRtc_UWord32 num_cores = 0;
WebRtc_UWord32* cores = NULL;
bool cpu_usage_available = cpu->CpuUsageMultiCore(num_cores, cores) != -1;
// Initializing the CPU measurements may take a couple of seconds on Windows.
// Since the initialization is lazy we need to wait until it is completed.
// Should not take more than 10000 ms.
while (!cpu_usage_available && (++num_iterations < 10000)) {
if (cores != NULL) {
ASSERT_GT(num_cores, 0u);
break;
}
sleep_event->Wait(1);
cpu_usage_available = cpu->CpuUsageMultiCore(num_cores, cores) != -1;
}
ASSERT_TRUE(cpu_usage_available);
const WebRtc_Word32 average = cpu->CpuUsageMultiCore(num_cores, cores);
ASSERT_TRUE(cores != NULL);
EXPECT_GT(num_cores, 0u);
EXPECT_GE(average, 0);
EXPECT_LE(average, 100);
printf("\nNumber of cores:%d\n", num_cores);
printf("Average cpu:%d\n", average);
for (WebRtc_UWord32 i = 0; i < num_cores; i++) {
printf("Core:%u CPU:%u \n", i, cores[i]);
EXPECT_GE(cores[i], 0u);
EXPECT_LE(cores[i], 100u);
}
Trace::ReturnTrace();
};
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