Collect real process and processor utilization values when virtualization is enabled.

Manish Ahuja ahuja at austin.ibm.com
Sat Jan 15 06:18:23 EST 2005


Arnd Bergmann wrote:

>I asked Martin the same thing yesterday, and he said that that recording
>the purr value like Manish does is needed to support the cputime statistics,
>but this is not the complete solution.
>
>Manish, did you look at
>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.10/2.6.10-mm3/broken-out/cputime-microsecond-based-cputime-for-s390.patch ?
>I think you need to do similar things on top of you patch to really export 
>steal time etc. to user space.
>
>	Arnd <><
>  
>

Yup,

There is another piece that will tie in with Martin's patch. This piece 
is needed by the CKRM folks to enable process accounting feature
as well as by Jeff Scheel since he uses the output for his calculations.

Manish






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