| /* |
| * 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/trace.h" |
| |
| #include "gtest/gtest.h" |
| #include "system_wrappers/source/cpu_measurement_harness.h" |
| #include "testsupport/fileutils.h" |
| |
| using webrtc::CpuMeasurementHarness; |
| using webrtc::Trace; |
| using webrtc::kTraceWarning; |
| using webrtc::kTraceUtility; |
| |
| class Logger : public webrtc::CpuTarget { |
| public: |
| Logger() { |
| Trace::CreateTrace(); |
| std::string trace_file = webrtc::test::OutputPath() + |
| "trace_unittest.txt"; |
| Trace::SetTraceFile(trace_file.c_str()); |
| Trace::SetLevelFilter(webrtc::kTraceAll); |
| } |
| virtual ~Logger() { |
| Trace::ReturnTrace(); |
| } |
| |
| virtual bool DoWork() { |
| // Use input paremeters to WEBRTC_TRACE that are not likely to be removed |
| // in future code. E.g. warnings will likely be kept and this file is in |
| // utility so it should use kTraceUtility. |
| WEBRTC_TRACE(kTraceWarning, kTraceUtility, 0, "Log line"); |
| return true; |
| } |
| }; |
| |
| // This test is disabled because it measures CPU usage. This is flaky because |
| // the CPU usage for a machine may spike due to OS or other application. |
| TEST(TraceTest, DISABLED_CpuUsage) { |
| Logger logger; |
| const int periodicity_ms = 1; |
| const int iterations_per_period = 10; |
| const int duration_ms = 1000; |
| CpuMeasurementHarness* cpu_harness = |
| CpuMeasurementHarness::Create(&logger, periodicity_ms, |
| iterations_per_period, duration_ms); |
| cpu_harness->Run(); |
| const int average_cpu = cpu_harness->AverageCpu(); |
| EXPECT_GE(5, average_cpu); |
| } |