Not sure what you mean by "Debian kernel", but you're correct in
that the only way to decrease tick period is with a recompile. "HZ"
is a CPP #define used all over the Linux kernel-- there is no
infrastructure to change it at runtime. You should probably
recompile kernel modules also if you change it.
//Jesse Off
--- In "kendwyer" <> wrote:
>
>
> Thanks Jesse,
> So there is no way to decrease the tick period other than building
the
> Debian kernel?
>
>
> --- In "Jesse Off" <joff@> wrote:
> >
> > No, the default is still 100Hz.
> >
> > //Jesse Off
> >
> > --- In "kendwyer" <kendwyer@> wrote:
> > >
> > > Hi,
> > >
> > > Does the latest TS9 kernel have the higher resolution in place.
> > >
> > > Thanks
> > > Ken
> > >
> > >
> > > --- In Bob Lees <bob@> wrote:
> > > >
> > > > Hi Roy
> > > >
> > > > See the ts8 kernel patch we posted to the group about 12
months
> > ago.
> > > It has a
> > > > fix for gettimeofday to return higher resolution.
> > > >
> > > > Bob
> > > >
> > > > On Friday 21 July 2006 12:30, arm.user wrote:
> > > > > Hello,
> > > > >
> > > > > I am hoping to find out if it is possible to increase the
timing
> > > > > resolution on a TS-7250/7260 for a sampling application.
I am
> > > > > currently using gettimeofday(), which has a current
minimum of
> > 10
> > > > > milliseconds.
> > > > >
> > > > > I came across a patch that allowed the kernel clock tick
on a
> > TS-7250
> > > > > to be increased from 100 Hz to 1024 Hz. I do not recall
the
> > exact
> > > > > documentation but the general comment was that it was "at
your
> > own
> > > > > risk".
> > > > >
> > > > > Does anyone have any comments or experience relating to
> > problems when
> > > > > the basic clock rate is increased?
> > > > >
> > > > > Best regards
> > > > > Roy
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Yahoo! Groups Links
> > > > >
> > > > >
> > > > >
> > > >
> > > > --
> > > > V +44 (0) 1296 747667
> > > > F +44 (0) 1296 747557
> > > > C +44 (0) 7860 406093
> > > >
> > > > Diamond Consulting Services Ltd
> > > > Dinton
> > > > Aylesbury
> > > > Bucks, HP17 8UG
> > > > England
> > > >
> > >
> >
>
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