NewPerformanceCheck.cpp

[詳解]

 
 
#include "pch.h"
#include "NewPerformanceCheck.h"
 
using namespace PerfCheck;
 
NewPerformanceCheck::NewPerformanceCheck (alt::Console& console)
    :PerformanceCheck (console)
{
}
 
NewPerformanceCheck::~NewPerformanceCheck ()
{
}
 
BOOL NewPerformanceCheck::DoAction ()
{
    return this->Core (0);
}
 
BOOL NewPerformanceCheck::Core (const int param1)
{
    alt::QueryPerformance Q;
 
    auto threadFunc = [](LPVOID lpvParam)->DWORD
    {
        NewPerformanceCheck* me = (NewPerformanceCheck*)lpvParam;
        alt::Event event;
        int loop = me->_loop;
 
        event.Open (_T ("START_EVENT"));
        event.Wait ();
 
        OutputDebugString (_T ("Thread action is started.\n"));
        do
        {
            int index = rand () % 10;
            TCHAR tsz[10];
            wsprintf (tsz, _T ("%d(%d),"), GetCurrentThreadId (), index);
            OutputDebugString (tsz);
 
            LPVOID lpvMem = new BYTE[me->_allocSize[index]];
            ZeroMemory (lpvMem, me->_allocSize[index]);
 
            delete[] lpvMem;
 
        } while (--loop);
        OutputDebugString (_T ("Thread action is stopped.\n"));
 
        return 0;
    };
 
    alt::Event event;
    event.Create (_T ("START_EVENT"), TRUE, FALSE);
    _console.Write (_T ("Event作成\n"));
 
    const int numOfThreads = 48;
    this->_loop = 50000;
 
    alt::Thread thread[numOfThreads];
    for (auto& item : thread)
    {
        item.Create (threadFunc, (LPVOID)this);
        SwitchToThread ();
    }
    _console.Write (_T ("Thread作成\n"));
 
    HANDLE threadHandles[numOfThreads];
    for (int i = 0; i < numOfThreads; i++)
    {
        threadHandles[i] = thread[i].GetHandle ();
    }
    _console.Write (_T ("Thread Handle収集\n"));
 
    _console.Write (_T ("計測開始\n"));
    Q.Start ();
 
    event.Set ();
    WaitForMultipleObjects (numOfThreads, threadHandles, TRUE, INFINITE);
 
    Q.Stop ();
    _console.Write (_T ("計測終了\n"));
 
    int msec = static_cast<int>(Q.PastTime ());
 
    _console.Format( _T ("It takes %dmsec.\n"), msec);
 
    return TRUE;
}