bool Initialize() {
    SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
    TCHAR driverPath[1024];
    GetCurrentDirectory(1024, driverPath);
    wcscat(driverPath, L"\\msr.sys");

    if (!drv.start(driverPath))
    {
        std::cout << "Cannot access CPU counters" << std::endl;
        std::cout << "You must have signed msr.sys driver in your current directory and have administrator rights to run this program" << std::endl;
    }

    pcm = PCM::getInstance();
    PCM::ErrorCode status = pcm->program();

    switch (status) {
        case PCM::Success:
            break;
        case PCM::MSRAccessDenied:
            std::cout << "Access to Intel(r) Performance Counter Monitor has denied (no MSR or PCI CFG space access)." << std::endl;
            goto err;
        case PCM::PMUBusy:
            std::cout << "Access to Intel(r) Performance Counter Monitor has denied (Performance Monitoring Unit is occupied by other application). Try to stop the application that uses PMU." << std::endl;
            std::cout << "Alternatively you can try to reset PMU configuration at your own risk. Try to reset? (y/n)" << std::endl;
            char yn;
            std::cin >> yn;
            if ('y' == yn)
            {
                pcm->resetPMU();
                std::cout << "PMU configuration has been reset. Try to rerun the program again." << std::endl;
            }
            goto err;
        default:
            std::cout << "Access to Intel(r) Performance Counter Monitor has denied (Unknown error)." << std::endl;
            goto err;
    }

    cstates    = new CoreCounterState[pcm->getNumCores()];
    sktstate1  = new SocketCounterState[pcm->getNumSockets()];
    sktstate2  = new SocketCounterState[pcm->getNumSockets()];

    return true;
err:
    pcm->resetPMU();
    return false;
}