Re: [PATCH] no-idle-hz aka dynamic ticks-2

Con Kolivas
2005-08-04T21:31:04Z

On Thu, 4 Aug 2005 07:12, Pavel Machek wrote:
> Hi!
>
> > > > As promised, here is an updated patch for the newly released
> > > > 2.6.13-rc5. Boots and runs fine on P4HT (SMP+SMT kernel) built with
> > > > gcc 4.0.1.
> > >
> > > Doesn't compile for me w/ gcc 3.4.4:
> >
> > Thanks for the report. Tiny change required. Here is a respun patch.
>
> Sorry, it breaks my machine in "interesting" way. Cursor no longer
> blinks, sleep 1 takes more than five seconds, ...
>
> Pentium-M in compaq evo n620c notebok, cpufreq active:
>
> pavel@Elf:~$ dmesg | grep tick
> dyn-tick: Found suitable timer: tsc
> dyn-tick: Registering dynamic tick timer v050610-1
> dyn-tick: Maximum ticks to skip limited to 13
> dyn-tick: Timer not enabled during boot
> pavel@Elf:~$
>
> Ouch, even system time seems to go slower. I'll try setting
> DYNTICK_USE_APIC next.
> Pavel

I assume you've confirmed this doesn't happen in vanilla rc5?

Cheers,
Con