On Monday 24 October 2005 19:45, Serge Goodenko wrote:
> > I don't now if this also works in UML, but we use rdtsc for quite
> > something similar.
> > rdtsc is a C function which read a processor register (twice 32 bit)
> > which counts processor ticks (meaning on a 1 GHz processor you get a
> >
On Mon, 24 Oct 2005, Serge Goodenko wrote:
> > Also, HZ (i.e. the timer interrupt) is implemented using signals (i.e.
> > alarm()), which are both slow and not precise (no more than host
> > jiffies).
> hm.. this suggests that maybe it would be really better not to use
> jiffies in UML (in my
> I don't now if this also works in UML, but we use rdtsc for quite something
> similar.
>
> rdtsc is a C function which read a processor register (twice 32 bit) which
> counts processor ticks (meaning on a 1 GHz processor you get a resolution of
> nano seconds).
well, I suppose UML is the keywor
>
> On Friday 21 October 2005 13:47, Serge Goodenko wrote:
> > How can I increase the resolution of UML kernel timer?
> Elaborate on what you mean. You show being a kernel hacker, and I need to
> know
> if you want to increase the resolution for jiffies (i.e. you must surely
> increase HZ in UM
