Messages in this thread | | | Subject | Re: [PATCH v2 2/3] sched/fair: Move hot load_avg into its own cacheline | From | Mike Galbraith <> | Date | Thu, 03 Dec 2015 05:32:28 +0100 |
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On Wed, 2015-12-02 at 13:41 -0500, Waiman Long wrote:
> By doing so, the perf profile became: > > 9.44% 0.00% java [kernel.vmlinux] [k] smp_apic_timer_interrupt > 8.74% 0.01% java [kernel.vmlinux] [k] hrtimer_interrupt > 7.83% 0.03% java [kernel.vmlinux] [k] tick_sched_timer > 7.74% 0.00% java [kernel.vmlinux] [k] update_process_times > 7.27% 0.03% java [kernel.vmlinux] [k] scheduler_tick > 5.94% 1.74% java [kernel.vmlinux] [k] task_tick_fair > 4.15% 3.92% java [kernel.vmlinux] [k] update_cfs_shares > > The %cpu time is still pretty high, but it is better than before.
Is that with the box booted skew_tick=1?
-Mike
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