Clean up PlatformThread.

webrtc/base/cpumonitor_unittest.cc

Index: webrtc/base/cpumonitor_unittest.cc
diff --git a/webrtc/base/cpumonitor_unittest.cc b/webrtc/base/cpumonitor_unittest.cc
deleted file mode 100644
index 379f62fd3c614233de35b0af20502c088f22eff5..0000000000000000000000000000000000000000
--- a/webrtc/base/cpumonitor_unittest.cc
+++ /dev/null
@@ -1,389 +0,0 @@
-/*
- *  Copyright 2010 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 <iomanip>
-#include <iostream>
-#include <vector>
-
-#if defined(WEBRTC_WIN)
-#include "webrtc/base/win32.h"
-#endif
-
-#include "webrtc/base/cpumonitor.h"
-#include "webrtc/base/flags.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/base/scoped_ptr.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/base/timeutils.h"
-#include "webrtc/base/timing.h"
-#include "webrtc/test/testsupport/gtest_disable.h"
-
-namespace rtc {
-
-static const int kMaxCpus = 1024;
-static const int kSettleTime = 100;  // Amount of time to between tests.
-static const int kIdleTime = 500;  // Amount of time to be idle in ms.
-static const int kBusyTime = 1000;  // Amount of time to be busy in ms.
-static const int kLongInterval = 2000;  // Interval longer than busy times
-
-class BusyThread : public rtc::Thread {
- public:
-  BusyThread(double load, double duration, double interval) :
-    load_(load), duration_(duration), interval_(interval) {
-  }
-  virtual ~BusyThread() {
-    Stop();
-  }
-  void Run() {
-    Timing time;
-    double busy_time = interval_ * load_ / 100.0;
-    for (;;) {
-      time.BusyWait(busy_time);
-      time.IdleWait(interval_ - busy_time);
-      if (duration_) {
-        duration_ -= interval_;
-        if (duration_ <= 0) {
-          break;
-        }
-      }
-    }
-  }
- private:
-  double load_;
-  double duration_;
-  double interval_;
-};
-
-class CpuLoadListener : public sigslot::has_slots<> {
- public:
-  CpuLoadListener()
-      : current_cpus_(0),
-        cpus_(0),
-        process_load_(.0f),
-        system_load_(.0f),
-        count_(0) {
-  }
-
-  void OnCpuLoad(int current_cpus, int cpus, float proc_load, float sys_load) {
-    current_cpus_ = current_cpus;
-    cpus_ = cpus;
-    process_load_ = proc_load;
-    system_load_ = sys_load;
-    ++count_;
-  }
-
-  int current_cpus() const { return current_cpus_; }
-  int cpus() const { return cpus_; }
-  float process_load() const { return process_load_; }
-  float system_load() const { return system_load_; }
-  int count() const { return count_; }
-
- private:
-  int current_cpus_;
-  int cpus_;
-  float process_load_;
-  float system_load_;
-  int count_;
-};
-
-// Set affinity (which cpu to run on), but respecting FLAG_affinity:
-// -1 means no affinity - run on whatever cpu is available.
-// 0 .. N means run on specific cpu.  The tool will create N threads and call
-//   SetThreadAffinity on 0 to N - 1 as cpu.  FLAG_affinity sets the first cpu
-//   so the range becomes affinity to affinity + N - 1
-// Note that this function affects Windows scheduling, effectively giving
-//   the thread with affinity for a specified CPU more priority on that CPU.
-bool SetThreadAffinity(BusyThread* t, int cpu, int affinity) {
-#if defined(WEBRTC_WIN)
-  if (affinity >= 0) {
-    return ::SetThreadAffinityMask(t->GetHandle(),
-        1 << (cpu + affinity)) != FALSE;
-  }
-#endif
-  return true;
-}
-
-bool SetThreadPriority(BusyThread* t, int prio) {
-  if (!prio) {
-    return true;
-  }
-  bool ok = t->SetPriority(static_cast<rtc::ThreadPriority>(prio));
-  if (!ok) {
-    std::cout << "Error setting thread priority." << std::endl;
-  }
-  return ok;
-}
-
-int CpuLoad(double cpuload, double duration, int numthreads,
-            int priority, double interval, int affinity) {
-  int ret = 0;
-  std::vector<BusyThread*> threads;
-  for (int i = 0; i < numthreads; ++i) {
-    threads.push_back(new BusyThread(cpuload, duration, interval));
-    // NOTE(fbarchard): Priority must be done before Start.
-    if (!SetThreadPriority(threads[i], priority) ||
-       !threads[i]->Start() ||
-       !SetThreadAffinity(threads[i], i, affinity)) {
-      ret = 1;
-      break;
-    }
-  }
-  // Wait on each thread
-  if (ret == 0) {
-    for (int i = 0; i < numthreads; ++i) {
-      threads[i]->Stop();
-    }
-  }
-
-  for (int i = 0; i < numthreads; ++i) {
-    delete threads[i];
-  }
-  return ret;
-}
-
-// Make 2 CPUs busy
-static void CpuTwoBusyLoop(int busytime) {
-  CpuLoad(100.0, busytime / 1000.0, 2, 1, 0.050, -1);
-}
-
-// Make 1 CPUs busy
-static void CpuBusyLoop(int busytime) {
-  CpuLoad(100.0, busytime / 1000.0, 1, 1, 0.050, -1);
-}
-
-// Make 1 use half CPU time.
-static void CpuHalfBusyLoop(int busytime) {
-  CpuLoad(50.0, busytime / 1000.0, 1, 1, 0.050, -1);
-}
-
-void TestCpuSampler(bool test_proc, bool test_sys, bool force_fallback) {
-  CpuSampler sampler;
-  sampler.set_force_fallback(force_fallback);
-  EXPECT_TRUE(sampler.Init());
-  sampler.set_load_interval(100);
-  int cpus = sampler.GetMaxCpus();
-
-  // Test1: CpuSampler under idle situation.
-  Thread::SleepMs(kSettleTime);
-  sampler.GetProcessLoad();
-  sampler.GetSystemLoad();
-
-  Thread::SleepMs(kIdleTime);
-
-  float proc_idle = 0.f, sys_idle = 0.f;
-  if (test_proc) {
-    proc_idle = sampler.GetProcessLoad();
-  }
-  if (test_sys) {
-      sys_idle = sampler.GetSystemLoad();
-  }
-  if (test_proc) {
-    LOG(LS_INFO) << "ProcessLoad Idle:      "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << proc_idle;
-    EXPECT_GE(proc_idle, 0.f);
-    EXPECT_LE(proc_idle, static_cast<float>(cpus));
-  }
-  if (test_sys) {
-    LOG(LS_INFO) << "SystemLoad Idle:       "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << sys_idle;
-    EXPECT_GE(sys_idle, 0.f);
-    EXPECT_LE(sys_idle, static_cast<float>(cpus));
-  }
-
-  // Test2: CpuSampler with main process at 50% busy.
-  Thread::SleepMs(kSettleTime);
-  sampler.GetProcessLoad();
-  sampler.GetSystemLoad();
-
-  CpuHalfBusyLoop(kBusyTime);
-
-  float proc_halfbusy = 0.f, sys_halfbusy = 0.f;
-  if (test_proc) {
-    proc_halfbusy = sampler.GetProcessLoad();
-  }
-  if (test_sys) {
-    sys_halfbusy = sampler.GetSystemLoad();
-  }
-  if (test_proc) {
-    LOG(LS_INFO) << "ProcessLoad Halfbusy:  "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << proc_halfbusy;
-    EXPECT_GE(proc_halfbusy, 0.f);
-    EXPECT_LE(proc_halfbusy, static_cast<float>(cpus));
-  }
-  if (test_sys) {
-    LOG(LS_INFO) << "SystemLoad Halfbusy:   "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << sys_halfbusy;
-    EXPECT_GE(sys_halfbusy, 0.f);
-    EXPECT_LE(sys_halfbusy, static_cast<float>(cpus));
-  }
-
-  // Test3: CpuSampler with main process busy.
-  Thread::SleepMs(kSettleTime);
-  sampler.GetProcessLoad();
-  sampler.GetSystemLoad();
-
-  CpuBusyLoop(kBusyTime);
-
-  float proc_busy = 0.f, sys_busy = 0.f;
-  if (test_proc) {
-    proc_busy = sampler.GetProcessLoad();
-  }
-  if (test_sys) {
-    sys_busy = sampler.GetSystemLoad();
-  }
-  if (test_proc) {
-    LOG(LS_INFO) << "ProcessLoad Busy:      "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << proc_busy;
-    EXPECT_GE(proc_busy, 0.f);
-    EXPECT_LE(proc_busy, static_cast<float>(cpus));
-  }
-  if (test_sys) {
-    LOG(LS_INFO) << "SystemLoad Busy:       "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << sys_busy;
-    EXPECT_GE(sys_busy, 0.f);
-    EXPECT_LE(sys_busy, static_cast<float>(cpus));
-  }
-
-  // Test4: CpuSampler with 2 cpus process busy.
-  if (cpus >= 2) {
-    Thread::SleepMs(kSettleTime);
-    sampler.GetProcessLoad();
-    sampler.GetSystemLoad();
-
-    CpuTwoBusyLoop(kBusyTime);
-
-    float proc_twobusy = 0.f, sys_twobusy = 0.f;
-    if (test_proc) {
-      proc_twobusy = sampler.GetProcessLoad();
-    }
-    if (test_sys) {
-      sys_twobusy = sampler.GetSystemLoad();
-    }
-    if (test_proc) {
-      LOG(LS_INFO) << "ProcessLoad 2 CPU Busy:"
-                   << std::setiosflags(std::ios_base::fixed)
-                   << std::setprecision(2) << std::setw(6) << proc_twobusy;
-      EXPECT_GE(proc_twobusy, 0.f);
-      EXPECT_LE(proc_twobusy, static_cast<float>(cpus));
-    }
-    if (test_sys) {
-      LOG(LS_INFO) << "SystemLoad 2 CPU Busy: "
-                   << std::setiosflags(std::ios_base::fixed)
-                   << std::setprecision(2) << std::setw(6) << sys_twobusy;
-      EXPECT_GE(sys_twobusy, 0.f);
-      EXPECT_LE(sys_twobusy, static_cast<float>(cpus));
-    }
-  }
-
-  // Test5: CpuSampler with idle process after being busy.
-  Thread::SleepMs(kSettleTime);
-  sampler.GetProcessLoad();
-  sampler.GetSystemLoad();
-
-  Thread::SleepMs(kIdleTime);
-
-  if (test_proc) {
-    proc_idle = sampler.GetProcessLoad();
-  }
-  if (test_sys) {
-    sys_idle = sampler.GetSystemLoad();
-  }
-  if (test_proc) {
-    LOG(LS_INFO) << "ProcessLoad Idle:      "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << proc_idle;
-    EXPECT_GE(proc_idle, 0.f);
-    EXPECT_LE(proc_idle, proc_busy);
-  }
-  if (test_sys) {
-    LOG(LS_INFO) << "SystemLoad Idle:       "
-                 << std::setiosflags(std::ios_base::fixed)
-                 << std::setprecision(2) << std::setw(6) << sys_idle;
-    EXPECT_GE(sys_idle, 0.f);
-    EXPECT_LE(sys_idle, static_cast<float>(cpus));
-  }
-}
-
-TEST(CpuMonitorTest, TestCpus) {
-  CpuSampler sampler;
-  EXPECT_TRUE(sampler.Init());
-  int current_cpus = sampler.GetCurrentCpus();
-  int cpus = sampler.GetMaxCpus();
-  LOG(LS_INFO) << "Current Cpus:     " << std::setw(9) << current_cpus;
-  LOG(LS_INFO) << "Maximum Cpus:     " << std::setw(9) << cpus;
-  EXPECT_GT(cpus, 0);
-  EXPECT_LE(cpus, kMaxCpus);
-  EXPECT_GT(current_cpus, 0);
-  EXPECT_LE(current_cpus, cpus);
-}
-
-#if defined(WEBRTC_WIN)
-// Tests overall system CpuSampler using legacy OS fallback code if applicable.
-TEST(CpuMonitorTest, TestGetSystemLoadForceFallback) {
-  TestCpuSampler(false, true, true);
-}
-#endif
-
-// Tests both process and system functions in use at same time.
-TEST(CpuMonitorTest, TestGetBothLoad) {
-  TestCpuSampler(true, true, false);
-}
-
-// Tests a query less than the interval produces the same value.
-TEST(CpuMonitorTest, TestInterval) {
-  CpuSampler sampler;
-  EXPECT_TRUE(sampler.Init());
-
-  // Test1: Set interval to large value so sampler will not update.
-  sampler.set_load_interval(kLongInterval);
-
-  sampler.GetProcessLoad();
-  sampler.GetSystemLoad();
-
-  float proc_orig = sampler.GetProcessLoad();
-  float sys_orig = sampler.GetSystemLoad();
-
-  Thread::SleepMs(kIdleTime);
-
-  float proc_halftime = sampler.GetProcessLoad();
-  float sys_halftime = sampler.GetSystemLoad();
-
-  EXPECT_EQ(proc_orig, proc_halftime);
-  EXPECT_EQ(sys_orig, sys_halftime);
-}
-
-TEST(CpuMonitorTest, TestCpuMonitor) {
-  CpuMonitor monitor(Thread::Current());
-  CpuLoadListener listener;
-  monitor.SignalUpdate.connect(&listener, &CpuLoadListener::OnCpuLoad);
-  EXPECT_TRUE(monitor.Start(10));
-  // We have checked cpu load more than twice.
-  EXPECT_TRUE_WAIT(listener.count() > 2, 1000);
-  EXPECT_GT(listener.current_cpus(), 0);
-  EXPECT_GT(listener.cpus(), 0);
-  EXPECT_GE(listener.process_load(), .0f);
-  EXPECT_GE(listener.system_load(), .0f);
-
-  monitor.Stop();
-  // Wait 20 ms to ake sure all signals are delivered.
-  Thread::Current()->ProcessMessages(20);
-  int old_count = listener.count();
-  Thread::Current()->ProcessMessages(20);
-  // Verfy no more siganls.
-  EXPECT_EQ(old_count, listener.count());
-}
-
-}  // namespace rtc