lkml.org 
[lkml]   [2021]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: 5.11-rc4+git: Shortest NUMA path spans too many nodes
Date
On 21/01/21 19:39, Meelis Roos wrote:
>> Could you paste the output of the below?
>>
>> $ cat /sys/devices/system/node/node*/distance
>
> 10 12 12 14 14 14 14 16
> 12 10 14 12 14 14 12 14
> 12 14 10 14 12 12 14 14
> 14 12 14 10 12 12 14 14
> 14 14 12 12 10 14 12 14
> 14 14 12 12 14 10 14 12
> 14 12 14 14 12 14 10 12
> 16 14 14 14 14 12 12 10
>

Thanks!

>
>> Additionally, booting your system with CONFIG_SCHED_DEBUG=y and
>> appending 'sched_debug' to your cmdline should yield some extra data.
>
> [ 0.000000] Linux version 5.11.0-rc4-00015-g45dfb8a5659a (mroos@x4600m2) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1) #55 SMP Thu Jan 21 19:23:10 EET 2021
> [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.11.0-rc4-00015-g45dfb8a5659a root=/dev/sda1 ro quiet

This is missing 'sched_debug' to get the extra topology debug prints (yes
it needs an extra cmdline argument on top of having CONFIG_SCHED_DEBUG=y),
but I should be able to generate those locally by feeding QEMU the above
distance table.

\
 
 \ /
  Last update: 2021-01-21 19:26    [W:2.071 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site