On Sun, Dec 31, 2000 at 10:42:26AM +0100, Mike Galbraith wrote:
> Hi,
>
> While running iozone, I notice severe stalls of vmstat output
> despite vmstat running SCHED_RR and mlockall().
Lets eliminate the obvious:
- Are you running with IDE disk ?
- Does hdparm /dev/hda(whatever) report:
/dev/hda:
unmaskirq = 0 (off)
using_dma = 0 (off)
The IKD uses local interrupts, so this isn't necessarily true...
-
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