[PATCH 0/3] powerpc: Instrument Hypervisor Calls
Anton Blanchard
anton at samba.org
Sun Jul 16 08:07:58 EST 2006
> Not sure I follow you. I would expect the PURR value to be restored after
> a context switch, even if we continue on a different physical CPU.
>
> The idea behind monitoring both PURR and timebase is that the difference
> between the two tells you how long the partition was suspended during
> the hcall.
Sounds good, last time I looked at the patch I thought it was gathering
the PURR only. That on its own would make for some confusing results.
Anton
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