[ovs-dev] [ovs dpdk] why all the ovs threads pinned to master lcore?
ychen
ychen103103 at 163.com
Mon Oct 24 10:55:14 UTC 2016
hi, I am a freshman to ovs DPDK, when I tried to launch ovs with dpdk inited, I found that all the ovs threads are pinned to master lcore,
but I can't find any code for setting the affinity of the specified thread.
Here is my configuration:
lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 63
Stepping: 2
CPU MHz: 2599.988
BogoMIPS: 4600.75
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 30720K
NUMA node0 CPU(s): 0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46
NUMA node1 CPU(s): 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47
ovs-vsctl list open_vswitch
_uuid : 61d9066b-178e-4672-b8b3-9dcb5587565d
bridges : [cc2605fb-fcbb-4627-8834-080c43534119]
cur_cfg : 68
datapath_types : [netdev, system]
db_version : []
external_ids : {}
iface_types : [dpdk, dpdkr, dpdkvhostuser, dpdkvhostuserclient, geneve, gre, internal, ipsec_gre, lisp, patch, stt, system, tap, vxlan]
manager_options : []
next_cfg : 68
other_config : {dpdk-init="true", dpdk-lcore-mask="0xf", dpdk-socket-mem="1024,1024", pmd-cpu-mask="f0"}
ovs_version : []
ssl : []
statistics : {}
system_type : []
system_version : []
ps -To tid,pid,psr,comm -p 28262
TID PID PSR COMMAND
28262 28262 0 ovs-vswitchd
28263 28262 39 vfio-sync
28297 28262 0 eal-intr-thread
28298 28262 1 lcore-slave-1
28299 28262 2 lcore-slave-2
28300 28262 3 lcore-slave-3
28301 28262 0 dpdk_watchdog2
28302 28262 0 vhost_thread1
28303 28262 0 pdump-thread
28304 28262 0 ct_clean3
28305 28262 0 urcu4
28744 28262 0 handler101
28745 28262 0 handler100
28746 28262 0 handler99
28747 28262 0 handler98
28748 28262 0 handler95
28749 28262 0 handler77
28750 28262 0 handler79
28751 28262 0 handler80
28752 28262 0 handler81
28753 28262 0 handler73
28756 28262 0 handler92
28757 28262 0 handler82
28758 28262 0 handler96
28759 28262 0 handler71
28760 28262 0 handler61
28761 28262 0 handler62
28762 28262 0 handler83
28763 28262 0 handler63
28764 28262 0 handler84
28765 28262 0 handler93
28766 28262 0 handler64
28767 28262 0 handler85
28768 28262 0 handler74
28769 28262 0 handler65
28770 28262 0 handler66
28771 28262 0 handler78
28772 28262 0 handler86
28773 28262 0 handler87
28774 28262 0 handler97
28775 28262 0 handler88
28776 28262 0 handler56
28777 28262 0 handler76
28778 28262 0 handler67
28779 28262 0 handler60
28780 28262 0 handler68
28781 28262 0 revalidator75
28782 28262 0 revalidator57
28783 28262 0 revalidator89
28784 28262 0 revalidator69
28785 28262 0 revalidator54
28786 28262 0 revalidator90
28787 28262 0 revalidator55
28788 28262 0 revalidator58
28789 28262 0 revalidator59
28790 28262 0 revalidator70
28791 28262 0 revalidator94
28792 28262 0 revalidator91
28793 28262 0 revalidator72
28827 28262 4 pmd103
28829 28262 6 pmd102
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