On Tuesday 11 March 2008 19:19:21 Sean McGranaghan wrote:
> Hello all,
>
> I am evaluating the M5208EVB for a customer. My test application uses an
> interval timer for some coarse grained timing. I initialize the timer as
> follows:
>
> memset(&itimer, 0, sizeof(itimer));
> itimer.it_interval.tv_usec = CLOCK_TICK;
> itimer.it_value.tv_usec = CLOCK_TICK;
>
> if (setitimer(ITIMER_REAL, &itimer, NULL) < 0)
> {
> debug(DBG_INIT, "Failed to start timer, errno=%d", errno);
> return -1;
> }
>
> It appears that no matter how I initialize the timer my resolution is
> set to 100ms. I have tried several values. Is there a kernel
> configuration that I am missing to enable different timer resolutions?
> Any help is appreciated.
Look at you kernel configuration option under "Processor type and features ->
Timer frequency"
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