Messages in this thread | | | Date | Wed, 26 Sep 2007 11:47:26 +0200 | From | Ingo Molnar <> | Subject | Re: Network slowdown due to CFS |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > What kind of information can I supply so you can track this down? > > as a starter, could you boot the sched-devel.git kernel, with > CONFIG_SCHED_DEBUG=y and CONFIG_SCHEDSTATS=y enabled and could you run > this script while the iperf test is in the middle of its testrun: > > http://people.redhat.com/mingo/cfs-scheduler/tools/cfs-debug-info.sh > > this will gather a good deal of info about the workload in question. > Please send me the resulting debug file.
Another thing: please also do the same with the vanilla v2.6.22 kernel, and send me that file too. (so that the two cases can be compared)
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