Re: rtc max frequency setting

From: H. Peter Anvin
Date: Sat Aug 04 2007 - 20:07:17 EST


Jan Engelhardt wrote:
> Hi,
>
> with the old rtc.ko module, there was a /proc/sys/dev/rtc/max-user-freq
> that could be set. With rtc_cmos.ko (or the new rtc infrastructure in
> general), I am missing this file. Where can I set the max-user-freq now,
> or is this obsolete now? (mplayer prefers to have user-freq to be >= 1024.)
>

Qemu wants something like this too. Both of these really want something
else, which is a high-frequency userspace timer.

What is the best way to do that on modern kernels?

-hpa
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