Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 19 Jun 2007 11:01:20 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH -cfs] Fix cpu_load calculation error |
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* Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> wrote:
> Ingo/Dmitry, > I am resending the patch to fix cpu_load calculation error in > cfs v17, this time CCing lkml.
> v17 cpu_load calculation didn't take into account that a class's > delta_exec/fair may be stale because it could not get an opportunity > to run. This can lead to incorrect calculation of a class's load. This > patch removes load tracking from individual classes and instead > introduces a global per-cpu load tracking common to all classes in > kernel/sched.c itself. > > Thanks to Dmitry for suggesting this idea. > > Signed-off-by : Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
thanks Srivatsa, i've applied this to the -v18 tree and everything's looking good so far!
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