Messages in this thread | | | Date | Thu, 13 Mar 2014 17:06:54 +0800 | From | Fengguang Wu <> | Subject | Re: [sched/balance] INFO: possible recursive locking detected |
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On Thu, Mar 13, 2014 at 05:00:11PM +0800, Alex Shi wrote: > On 03/13/2014 04:53 PM, Fengguang Wu wrote: > > On Thu, Mar 13, 2014 at 03:43:11PM +0800, Alex Shi wrote: > >> On 03/03/2014 10:25 PM, Fengguang Wu wrote: > >>> Greetings, > >>> > >>> I got the below dmesg and the first bad commit is > >>> > >>> https://github.com/alexshi/power-scheduling.git single-balance.bak > >>> commit 2adc591a5cb6768ad11e63be9011906aa171148d > >>> Author: Alex Shi <alex.shi@linaro.org> > >>> AuthorDate: Fri Feb 28 15:25:09 2014 +0800 > >>> Commit: Alex Shi <alex.shi@linaro.org> > >>> CommitDate: Sun Mar 2 09:16:38 2014 +0800 > >>> > >>> sched/balance: replace new_idle_balance > >>> > >>> Curren idle_balance will pull task on half of this group. That is > >>> not needed in central balance. > >> > >> > >> Thanks for your testing, Fengguang! > >> > >> I fixed this issue and updated to the git tree. Is the single-balance > >> branch still in your performance radar? :) > > > > Sure, however you know it's costly to queue tests for one single tree. > > If your trees are directly based on -rcX kernels, that would cut the > > tests required for comparison by half. > > Thanks a lot! I will keep in mind for this point. > rebased on rc6 kernel for that branch. :)
That's great!
> Thanks again for generous help!
You are welcome. I've queued alexshi/single-balance for testing.
Thanks, Fengguang
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