Re: Timestamp counters on SMP

From: H. Peter Anvin (hpa@transmeta.com)
Date: Wed Mar 29 2000 - 06:31:38 EST


Alan Cox wrote:
>
> > (Now, some broken Cyrix chips would lose or not increment the TSC when
> > throttled.)
>
> They stop the TSC when the CPU is suspended completely. Thats actually very
> nice behaviour on a power sensitive device.
>

I believe, though, they would do so even for STPCLK, which can be
invoked asychronously by the chipset; this is broken behaviour.

        -hpa

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:24 EST