* Tejun Heo <tj@xxxxxxxxxx> wrote: > Hello, > > On Thu, Mar 24, 2011 at 10:41:51AM +0100, Tejun Heo wrote: > > USER SYSTEM SIRQ CXTSW THROUGHPUT > > SIMPLE 61107 354977 217 8099529 845.100 MB/sec > > SPIN 63140 364888 214 6840527 879.077 MB/sec > > > > On various runs, the adaptive spinning trylock consistently posts > > higher throughput. The amount of difference varies but it outperforms > > consistently. > > I've been running more of these tests and am having doubts about the > consistency. It seems that, even on a fresh filesystem, some random > initial condition seems to have persistent effect on the whole run. > I'll run more tests and report back. Ok, and there's the deadlock issue as well which Steve noticed. I'll zap the patches from tip:core/urgent and lets do this via tip:core/locking with a .40 timeframe and plenty of time of testing. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
