low(er) disk performance with sched_4bsd then with sched_ule
kris at obsecurity.org
Fri Sep 16 08:47:30 PDT 2005
On Fri, Sep 16, 2005 at 05:44:31PM +0200, Oliver Lehmann wrote:
> Kris Kennaway wrote:
> > On Fri, Sep 16, 2005 at 05:39:32PM +0200, Oliver Lehmann wrote:
> > > Kris Kennaway wrote:
> > >
> > > > And you enabled the correct KTR options in your kernel, right?
> > >
> > > options KTR
> > > options KTR_COMPILE=KTR_SCHED
> > > options KTR_MASK
> > options KTR_MASK=KTR_SCHED, per the instructions in schedgraph.py
> "Add KTR_SCHED to KTR_COMPILE and KTR_MASK in your KERNCONF" would be
> easier to parse if exaclty would be written down what should be placed
> into KERNCONF instead of describing it :/
It should be parsed as
"Add KTR_SCHED to (KTR_COMPILE and KTR_MASK) ..."
Since the user may already have ktr configured with other events, this
is about the best you can do. See the ktr manpage for more
documentation if you need it.
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