On 02/20, Michal Hocko wrote: >On Mon 20-02-17 09:43:29, Ye Xiaolong wrote: >> On 02/19, Michal Hocko wrote: >> >On Mon 13-02-17 14:46:37, Ye Xiaolong wrote: >> >> On 02/07, Michal Hocko wrote: >> >> >On Tue 07-02-17 10:22:13, Ye Xiaolong wrote: >> >> > >> >> [snip] >> >> >> >> >Could you retest with a single NUMA node? I am not familiar with the >> >> >benchmark enough to judge it was set up properly for a NUMA machine. >> >> >> >> Sorry for the late, I'm not quite familiar with NUMA, could you tell me how >> >> to configure a machine to use a single NUMA node? through cmdline? >> > >> >I am not aware of any parameter which would disble numa via command >> >line. You can do that when starting qemu, which I assume you are using. >> >Just configure a single memory node (-numa parameter). >> >> Actually we were doing the test on a physical machine, not a guest. >> Any kernel config will do? > >You can disbale CONFIG_NUMA. But a much better approach would be >limitting the test to a single numa node via numactl. Thanks, numactl is supported in 0day system, I'll try it. > >-- >Michal Hocko >SUSE Labs