The barrier tests seems to be fine actually, it always either hangs on the no_barrier test, or doesn¹t hang at all. I¹m looking into this now, it might be a design problem rather than a bug in the code.
Mario. From: Mike Holmes <mike.hol...@linaro.org> Date: Friday, 9 January 2015 18:29 To: Bill Fischofer <bill.fischo...@linaro.org> Cc: lng-odp <lng-odp@lists.linaro.org> Subject: Re: [lng-odp] [PATCHv6] validation: synchronizer tests reverted On 9 January 2015 at 13:07, Mike Holmes <mike.hol...@linaro.org> wrote: > Thanks Stuart / Bill > > I will strike it form 0.7.0 > > On 9 January 2015 at 13:05, Bill Fischofer <bill.fischo...@linaro.org> wrote: >> Barriers should not be re-initialized. You initialize them once at the start >> of the program and then just use them. They are designed to reset >> automagically. Any re-init call is exposing yourself to random failures. >> >> On Fri, Jan 9, 2015 at 11:58 AM, Stuart Haslam <stuart.has...@linaro.org> >> wrote: >>> On Fri, Jan 09, 2015 at 11:09:33AM -0500, Mike Holmes wrote: >>>> > I think this may have to come out again - can anyone confirm this >>>> behaviour >>>> > Regression started running this multiple times and it is hanging with >>>> high >>>> > load maybe 5% of the time. >>>> > >>> >>> while true; do ./test/validation/odp_synchronizers; done >>> >>> Hangs pretty quickly for me, one thread is in custom_barrier_wait() on >>> custom_barrier2 and the rest are in custom_barrier_wait() on >>> custom_barrier1. >>> >>> The custom_barrier2.wait_cnt seems to always be 8, so I wonder if the >>> slow thread is reinitialising the barriers before all the other threads >>> have made it out of the barrier2 custom_barrier_wait(). Maybe the >>> barrier test is missing a barrier? >>> >>> -- >>> Stuart >>> >>> _______________________________________________ >>> lng-odp mailing list >>> lng-odp@lists.linaro.org >>> http://lists.linaro.org/mailman/listinfo/lng-odp >> > > > > -- > Mike Holmes > Linaro Sr Technical Manager > LNG - ODP -- Mike Holmes Linaro Sr Technical Manager LNG - ODP
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