* Thomas Gleixner <[EMAIL PROTECTED]> wrote:

> The problem is that the p->last_ran value is not updated after a 
> context switch. So a subsequent call to current_sched_time() 
> calculates with a stale p->last_ran value, i.e. accounts the full 
> time, which the task was scheduled away.
> 
> Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>

>       sched_info_switch(prev, next);
>       if (likely(prev != next)) {
> -             next->timestamp = now;
> +             next->timestamp = next->last_ran = now;

ouch! nice catch. Also for v2.6.20.2 i think. 2.6.19 should be 
unaffected.

Acked-by: Ingo Molnar <[EMAIL PROTECTED]>

        Ingo
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