Re: dentries rule. [was: Re: Pros and cons of newer kernels]

Steven N. Hirsch (shirsch@ibm.net)
Wed, 19 Nov 1997 22:14:26 -0500 (EST)


On Thu, 20 Nov 1997, Peter T. Waltenberg wrote:

>
> On 19-Nov-97 Mike Jagdis wrote:
> > On Tue, 18 Nov 1997, Steven N. Hirsch wrote:
> >
> >> 2.0.31: 0.72user 5.11system 0:06.19elapsed 94%CPU (486/133)
> >>
> >> 2.1.64: 0.32user 0.57system 0:17.04elapsed 5%CPU (6x86 P150+)
> >>
> >>
> >> Just a bit of difference in the CPU usage, no? Any suggestions as to why
> >> the 6x86 shows so little CPU use? Top shows the system as being 97%
> >> idle! Could this be some odd misbehavior with the Cyrix idle patch?
> >
> > It looks like the 6x86 machine spent around 10 seconds waiting
> > for I/O. Almost as if your hard disk interrupts aren't bringing
> > the processor out of hlt (but others must be). What do you get
> > without suspend on halt enabled or booting with the no-hlt boot
> > option?
>
> If it's like my 686 which has good Bios APM support, it's probably waiting for
> the drives to spin up again. (rather than a halt problem). Thats about 10
> seconds here.

I can guarantee you that the drives are not being spun down <g>. They
make enough of a whine that this fact wouldn't escape me.

>
> If the above fix doesn't work, dive into the CMOS settings and turn off the
> BIOS APM powerdown options.
>

They are all off, as I don't trust/use any such things.

Steve