i remember doing corelist-workers  with > 50 cores…..

If you paste traceback we may have better clue what is wrong…

— 
Damjan



> On 4 Nov 2019, at 18:51, Chuan Han via Lists.Fd.Io 
> <chuanhan=google....@lists.fd.io> wrote:
> 
> All even number cores are on numa 0, which also hosts all nics. 
> 
> It seems corelist-workers can only take maximum 8 cores. 
> 
> On Mon, Nov 4, 2019 at 9:45 AM Tkachuk, Georgii <georgii.tkac...@intel.com 
> <mailto:georgii.tkac...@intel.com>> wrote:
> Hi Chuan,  are cores 20 and 22 on socket0 or socket1? If they are on socket1, 
> the application is crashing because the aesni_mb driver is pointing to 
> socket0: vdev crypto_aesni_mb0,socket_id=0.
> 
>  
> 
> George
> 
>  
> 
> From: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io> <vpp-dev@lists.fd.io 
> <mailto:vpp-dev@lists.fd.io>> On Behalf Of Chuan Han via Lists.Fd.Io 
> <http://lists.fd.io/>
> Sent: Monday, November 04, 2019 10:27 AM
> To: vpp-dev <vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>>
> Cc: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>
> Subject: [vpp-dev] Is there a limit when assigning corelist-workers in vpp?
> 
>  
> 
> Hi, vpp experts,
> 
>  
> 
> I am trying to allocate more cores to a phy nic. I want to allocate cores 
> 4,6,8,10 to eth0, and cores 12,14,16,18 to eth1. 
> 
>  
> 
> cpu {
>   main-core 2
>   # corelist-workers 4,6,8,10,12,14,16,18,20,22   <== This does not work. vpp 
> crashes when starting. 
>   corelist-workers 4,6,8,10,12,14,16,18
> }
> 
> dpdk {
>   socket-mem 2048,0
>   log-level debug
>   no-tx-checksum-offload
>   dev default{
>     num-tx-desc 512
>     num-rx-desc 512
>   }
>   dev 0000:1a:00.0 {
>     # workers 4,6,8,10,12
>     workers 4,6,8,10
>     name eth0
>   }
>   dev 0000:19:00.1 {
>     # workers 14,16,18,20,22
>     workers 12,14,16,18
>     name eth1
>   }
>   # Use aesni mb lib.
>   vdev crypto_aesni_mb0,socket_id=0
>   # Use qat VF pcie addresses.
> #  dev 0000:3d:01.0
>   no-multi-seg
> }
> 
>  
> 
> Afte vpp starts, I can see eth1 got 4 cores but eth0 only got 3 cores.
> 
>  
> 
> vpp# sh thread
> ID     Name                Type        LWP     Sched Policy (Priority)  lcore 
>  Core   Socket State
> 0      vpp_main                        10653   other (0)                2     
>  0      0
> 1      vpp_wk_0            workers     10655   other (0)                4     
>  1      0
> 2      vpp_wk_1            workers     10656   other (0)                6     
>  4      0
> 3      vpp_wk_2            workers     10657   other (0)                8     
>  2      0
> 4      vpp_wk_3            workers     10658   other (0)                10    
>  3      0
> 5      vpp_wk_4            workers     10659   other (0)                12    
>  8      0
> 6      vpp_wk_5            workers     10660   other (0)                14    
>  13     0
> 7      vpp_wk_6            workers     10661   other (0)                16    
>  9      0
> 8      vpp_wk_7            workers     10662   other (0)                18    
>  12     0   <=== core 18 is not used by eth0.
> vpp# sh interface rx-placement
> Thread 1 (vpp_wk_0):
>   node dpdk-input:
>     eth1 queue 0 (polling)
> Thread 2 (vpp_wk_1):
>   node dpdk-input:
>     eth1 queue 1 (polling)
> Thread 3 (vpp_wk_2):
>   node dpdk-input:
>     eth1 queue 2 (polling)
> Thread 4 (vpp_wk_3):
>   node dpdk-input:
>     eth1 queue 3 (polling)
> Thread 5 (vpp_wk_4):
>   node dpdk-input:
>     eth0 queue 0 (polling)
>     eth0 queue 2 (polling)
> Thread 6 (vpp_wk_5):
>   node dpdk-input:
>     eth0 queue 3 (polling)
> Thread 7 (vpp_wk_6):
>   node dpdk-input:
>     eth0 queue 1 (polling)
> vpp#
> 
>  
> 
> It seems there is a limitation on assigning cores to nic. 
> 
> 1. I cannot allocate cores after 20 to corelist-workers. 
> 
> 2. Cores after 18 cannot be allocated to nic. 
> 
>  
> 
> Is this some bug? Or, some undocumented limitation? 
> 
>  
> 
> Thanks.
> 
> Chuan
> 
> -=-=-=-=-=-=-=-=-=-=-=-
> Links: You receive all messages sent to this group.
> 
> View/Reply Online (#14491): https://lists.fd.io/g/vpp-dev/message/14491
> Mute This Topic: https://lists.fd.io/mt/41334952/675642
> Group Owner: vpp-dev+ow...@lists.fd.io
> Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub  [dmar...@me.com]
> -=-=-=-=-=-=-=-=-=-=-=-

-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.

View/Reply Online (#14492): https://lists.fd.io/g/vpp-dev/message/14492
Mute This Topic: https://lists.fd.io/mt/41334952/21656
Group Owner: vpp-dev+ow...@lists.fd.io
Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub  [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-

Reply via email to