Am Montag, 29. Oktober 2007 schrieb Balbir Singh:
> We'll also need this additional patch (untested), but in the long run
> I think the approach needs to be
> 
> 1. Update stime and utime at the time of context switching -- keep it
>    in sync with p->sum_exec_runtime
> 2. Keep track of system/user context at system call entry points

This is similar to what s390 and ppc64 do when CONFIG_VIRT_CPU_ACCOUNTING is 
set. Whenever you do a patch, please make sure to not break the already 
precise values for utime and stime on s390 and ppc. Feel free to CC me 
whenever you have a patch for this.

Christian
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