On 04/03/2013 03:18 PM, Michael Wang wrote: >> > the following patch include the renamed knob, and you can tune it under >> > /proc/sys/kernel/... to see detailed impact degree. > Could I make the conclusion that the improvement on pgbench was caused > by the new weighted_cpuload()?
guess too. > > The burst branch seems to just adopt the load in old world, if reduce > the rate to enter that branch could regain the benefit, then I could > confirm my supposition. > >> > >> > + if (cpu_rq(this_cpu)->avg_idle < sysctl_sched_migration_cost || >> > + cpu_rq(prev_cpu)->avg_idle < sysctl_sched_migration_cost) > It should be 'sysctl_sched_burst_threshold' here, isn't it? anyway, I > will take a try with different rate. Ops, sth wrong in my git operation. -- Thanks Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
