RE: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-22 Thread Song Bao Hua (Barry Song)
y 22, 2021 7:54 AM > >> To: Valentin Schneider ; Meelis Roos > >> ; LKML > >> Cc: Peter Zijlstra ; Vincent Guittot > >> ; Song Bao Hua (Barry Song) > >> ; Mel Gorman > >> Subject: Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes >

RE: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-22 Thread Valentin Schneider
On 22/01/21 11:09, Song Bao Hua (Barry Song) wrote: >> -Original Message- >> From: Dietmar Eggemann [mailto:dietmar.eggem...@arm.com] >> > For example, every cpu with the below numa_distance can have >> > "groups don't span domain->span": >> > node 0 1 2 3 >> > 0: 10 12 20 22

Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-22 Thread Dietmar Eggemann
r Zijlstra ; Vincent Guittot >> ; Song Bao Hua (Barry Song) >> ; Mel Gorman >> Subject: Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes >> >> On 21/01/2021 19:21, Valentin Schneider wrote: >>> On 21/01/21 19:39, Meelis Roos wrote: [...] >> # c

RE: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-21 Thread Song Bao Hua (Barry Song)
; Subject: Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes > > On 21/01/2021 19:21, Valentin Schneider wrote: > > On 21/01/21 19:39, Meelis Roos wrote: > >>> Could you paste the output of the below? > >>> > >>>$ cat /sys/devices/system/node/no

Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-21 Thread Dietmar Eggemann
On 21/01/2021 19:21, Valentin Schneider wrote: > 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

Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-21 Thread Valentin Schneider
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

Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-21 Thread Meelis Roos
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 Additio

Re: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-21 Thread Valentin Schneider
(+Cc relevant folks) Hi, On 21/01/21 15:41, Meelis Roos wrote: > This happens on Sun Fire X4600 M2 - 32 cores in 8 CPU slots. 5.10 was silent. > Current git and > 5.10.0-13256-g5814bc2d4cc2 exhibit this message in dmesg but otherwise seem > to work fine > (kernel compilation succeeds). > b5b