Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28

From: Patrick McHardy <[email-masked]>
Date: Tue, 13 Jan 2009 05:33:14 +0100

Denys Fedoryschenko wrote:
> They are enabled
> 
> Router-Dora /config # zcat /proc/config.gz |grep HIGH_RES
> CONFIG_HIGH_RES_TIMERS=y
> Router-Dora /config # zcat /proc/config.gz |grep HZ
> CONFIG_NO_HZ=y

Its odd that HZ=1000 solved the problem despite HR timers being active.
Are you sure they're actually enabled? You should see something like
this in the ringbuffer:

[    0.241972] Switched to high resolution mode on CPU 0
[    0.242708] Switched to high resolution mode on CPU 1