RE: how to measure scheduler latency on powerpc? realfeel doesn

Giuliano Pochini
2003-05-09T08:04:59Z

On 08-May-2003 Chris Friesen wrote:
>
> I'm trying to test the scheduler latency on a powerpc platform. It appears that
> a realfeel type of program won't work since you can't program /dev/rtc to
> generated interrupts on powerpc. Is there anything similar which could be done?

If you are using a legacy Mac, you can use the serial port. If you have
a sound chip, you can use that one. All archs have a programmable timer, even
if /dev/rtc doesn't suport it. Try to ask in the linuxppc-dev mailing list.

Bye.