On Mon, 27 Jan 2003, Mike Galbraith wrote:
> (something seems funky with nmi_watchdog... hard lock = no_more_nmi_ticks
> . Anybody out there know enough about local APIC to explain why idle=poll
> gives nice 1 second nmi, but everything else depends upon cpu load?... and
> why when hardlock happens, it _stops_)
Because we base the performance counter on unhalted cycles, whilst the
normal idle function does an hlt. I think the K7 can do halted too.
Zwane
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This archive was generated by hypermail 2b29 : Fri Jan 31 2003 - 22:00:17 EST