ce9d89d892
Review URL: http://webrtc-codereview.appspot.com/279012 git-svn-id: http://webrtc.googlecode.com/svn/trunk@981 4adac7df-926f-26a2-2b94-8c16560cd09d
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/*
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* Copyright (c) 2011 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 "system_wrappers/interface/cpu_wrapper.h"
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#include "gtest/gtest.h"
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#include "system_wrappers/interface/cpu_info.h"
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#include "system_wrappers/interface/event_wrapper.h"
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#include "system_wrappers/interface/trace.h"
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using webrtc::CpuInfo;
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using webrtc::CpuWrapper;
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using webrtc::Trace;
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// Only utilizes some of the cpu_info.h and cpu_wrapper.h code. Does not verify
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// anything except that it doesn't crash.
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// TODO(kjellander): Improve this test so it verifies the implementation
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// executes as expected.
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TEST(CpuWrapperTest, Usage) {
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Trace::CreateTrace();
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Trace::SetTraceFile("cpu_wrapper_unittest.txt");
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Trace::SetLevelFilter(webrtc::kTraceAll);
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printf("Number of cores detected:%u\n", CpuInfo::DetectNumberOfCores());
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CpuWrapper* cpu = CpuWrapper::CreateCpu();
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ASSERT_TRUE(cpu != NULL);
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webrtc::EventWrapper* sleep_event = webrtc::EventWrapper::Create();
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ASSERT_TRUE(sleep_event != NULL);
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int num_iterations = 0;
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WebRtc_UWord32 num_cores = 0;
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WebRtc_UWord32* cores = NULL;
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bool cpu_usage_available = cpu->CpuUsageMultiCore(num_cores, cores) != -1;
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// Initializing the CPU measurements may take a couple of seconds on Windows.
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// Since the initialization is lazy we need to wait until it is completed.
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// Should not take more than 10000 ms.
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while (cpu_usage_available && (++num_iterations < 10000)) {
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if (cores != NULL) {
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ASSERT_GT(num_cores, 0u);
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break;
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}
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sleep_event->Wait(1);
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cpu_usage_available = cpu->CpuUsageMultiCore(num_cores, cores) != -1;
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}
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ASSERT_TRUE(cpu_usage_available);
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const WebRtc_Word32 total = cpu->CpuUsageMultiCore(num_cores, cores);
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ASSERT_TRUE(cores != NULL);
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EXPECT_GT(num_cores, 0u);
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EXPECT_GE(total, 0);
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printf("\nNumCores:%d\n", num_cores);
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printf("Total cpu:%d\n", total);
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for (WebRtc_UWord32 i = 0; i < num_cores; i++) {
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printf("Core:%u CPU:%u \n", i, cores[i]);
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EXPECT_LE(cores[i], static_cast<WebRtc_UWord32> (total));
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}
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delete cpu;
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Trace::ReturnTrace();
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};
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