Re: [PATCH] nmi_watchdog=2 and P4-HT

From: Andrew Morton
Date: Thu Mar 04 2004 - 01:33:32 EST


Philippe Elie <phil.el@xxxxxxxxxx> wrote:
>
>
> What do you think about the feature "the performance doesn't increment
> counter in hlt mode".

That sounds OK. If the CPU halts with local interrupts disabled (is this
possible?) then I assume it'll never come back. But this possibility isn't
worth worrying about, surely.

Can we scale the performance counter multiplier down a bit? 1000 NMIs per
second sounds excessive.
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