[openib-general] cycles_to_units is incorrect in rdma_lat, rdma_bw.

[Shirley Ma]

>I think adding such a calibration to get_cpu_mhz()
>so we can warn if /proc/cpuinfo data doesn't agree with
>gettimeofday() and get_cycles().

using below to calculate the cycles_to_unit is more accurate.

        clock_gettime();
        get_cycles();
        sleep(5);
        clock_gettime();
        get_cycles();

cycles_to_unit = offset - cycles/ offset - time;


Shirley Ma
IBM Linux Technology Center
15300 SW Koll Parkway
Beaverton, OR 97006-6063
Phone(Fax): (503) 578-7638

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