Incorrect /proc/cpuinfo for AMD A6-9220
Corinna Vinschen
corinna-cygwin@cygwin.com
Fri Apr 13 11:51:00 GMT 2018
On Apr 12 23:01, Jeffrey Walton wrote:
> Hi Everyone,
>
> I'm working on an AMD A6-9220 and seeing unusual results from
> /proc/cpuinfo. I think this may be an issue with the latest Cygwin. It
> may be present in earlier versions, too.
>
> Russinovich's coreinfo is shown below
> (https://docs.microsoft.com/en-us/sysinternals/downloads/coreinfo).
> Notice /proc/cpuinfo is missing aesni, pclmul, rdrand, SSE4.1, SSE4.2,
> AVX, etc.
Note that, in theory, cpuinfo has to be extended for each new CPU
generation. That's a lot of work for marginal gain (Cygwin's not a real
kernel) so I'm doing this only very seldomly.
Patches welcome, of course!
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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