[linux-audio-user] timer resolution

[Werner Schweer]

On Wednesday 18 January 2006 14:51, Emanuel Rumpf wrote:
> hi
>
> When starting rosegarden (cvs), I get the message "System timer
> resolution to low".
>
> However, AFAICT the high resolution timer is enabled (?)
> How would I test it manually?
> What to do?
>
>
> kernel-config:
> CONFIG_HPET_TIMER=y
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_HIGH_RES_RESOLUTION=1000
>
>
> Muse output:
> cannot set ticks 1024 on /dev/rtc: No right
> precise timer not available
> set timer ticks failed
>
>
> $ cat /proc/sys/dev/rtc/max-user-freq
> 1024
>
>
> $ ls -lh /dev/rtc
> crw-rw----  1 root audio 10, 135 2005-12-15 12:27 /dev/rtc
----------^^
if you are not in group audio, you dont have any permissions for /dev/rtc.
Please check with "id" command.

/Werner