On Fri, Apr 13, 2012 at 08:57:21AM -0500, Bob Friesenhahn wrote:
> On Thu, 12 Apr 2012, Hans Rosenfeld wrote:
> >
> >>I was hoping to investigate GCC's bdver1 output (which does try to
> >>address L1 instruction cache issues) on Illumos but I discovered that
> >>Illumos is not currently capable of executing this code ("illegal
> >>instruction").
> >
> >Did you test this with the latest code from illumos-gate? The patches to
> >support the new instruction sets on Bulldozer just went in a few days
> >ago.
> 
> Do the latest code updates cause 'cpustat' to support AMD Family 15h?

No, I didn't touch that stuff yet.

> These messages appear in 'cpustat -h' output on Opteron 62XX:
> 
>   "CPU performance counter interface: AMD Family 15h (unsupported)"
> 
>   "See BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h
>    Processors. (Note that this pcbe does not explicitly support this
>    family)"
> 
> A working cpustat seems useful in order to understand cache problems.

Does it refuse to work at all? It's been a while since I last looked
into the cpc code, so I don't know offhand what it does on unknown CPU
families.


Hans


-- 
%SYSTEM-F-ANARCHISM, The operating system has been overthrown


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