disksim 中 "I/O trace time scale" 參數

disksim在parv檔提供這個參數，讓user可以調整trace的特徵(如 arrival time, request size, location etc.)
但是網友發現 在disksim source中根本就把 IO trace time scale寫死，程式碼如下:


在 disksim/src/disksim_iosim.c下:

void iosim_initialize_iosim_info ()
{
    disksim->iosim_info = DISKSIM_malloc (sizeof(iosim_info_t));
    bzero ((char *)disksim->iosim_info, sizeof(iosim_info_t));

    /* initializations that get remapped into iosim_info */
    ioscale = 1.0;    /**************LOOK HERE************/
    last_request_arrive = 0.0;
    constintarrtime = 0.0;
}

也就是說，想改變request的arrival time，只能在上面code中改。

原文:https://sos.ece.cmu.edu/pipermail/disksim-users/2007-August/000184.html