Re: [PATCHSET] Announce: High-res timers, tickless/dyntick and dynamic HZ

mark gross
2006-06-19T21:56:49Z

On Mon, Jun 19, 2006 at 02:31:44PM +0200, Thomas Gleixner wrote:
> On Mon, 2006-06-19 at 22:09 +1000, Con Kolivas wrote:
> > Also suffers from:
> > WARNING: "timespec_to_jiffies" [fs/fuse/fuse.ko] undefined!
> >
> > Here is a fix
>
> Doh, where is the brown paperbag shop ?
>
> Thanks, applied.
>
> New queue:
>
> http://www.tglx.de/projects/hrtimers/2.6.17/patch-2.6.17-hrt-dyntick3.patch
>
> http://www.tglx.de/projects/hrtimers/2.6.17/patch-2.6.17-hrt-dyntick3.patches.tar.bz2
>

I'm just giving this a test spin now on my desktop boot. looking at uptime and cat /proc/interrupts
~/work> uptime;cat /proc/interrupts
2:51pm up 0:28, 5 users, load average: 0.00, 0.02, 0.08
CPU0
0: 80007 XT-PIC timer
1: 1776 XT-PIC i8042
2: 0 XT-PIC cascade
8: 2 XT-PIC rtc
9: 0 XT-PIC acpi
11: 2156 XT-PIC eth0
12: 2879 XT-PIC i8042
14: 20402 XT-PIC ide0
15: 11 XT-PIC ide1
NMI: 0
LOC: 0
ERR: 0
MIS: 0

or about 47.6 timer's a second.

This system is mostly idle, is this about right or should I expect even fewer timer ticks?

Is there a way to see timer stats?

FWIW Its nice to see this stuff start getting real.

thanks

--mgross