[libvirt] [PATCH] BSD: implement virProcess{Get,Set}Affinity

Roman Bogorodskiy bogorodskiy at gmail.com
Sat Jan 25 16:11:00 UTC 2014


I guess commit message provides enough information, but I want
to share some testing info. So, with qemu driver I get:

virsh # vcpuinfo qemu
VCPU:           0
CPU:            0
State:          running
CPU Affinity:   yyyy

virsh #

Check the corresponding process using cpuset(1) tool from base
system:

> sudo cpuset -g -p 1308
pid 1308 mask: 0, 1, 2, 3
>

virsh # vcpupin qemu --vcpu 0  --live 2,3

virsh # vcpuinfo qemu
VCPU:           0
CPU:            0
State:          running
CPU Affinity:   --yy

virsh #

Now cpuset(1) says:

> sudo cpuset -g -p 1308
pid 1308 mask: 2, 3
>

Now, do:

> sudo cpuset -l 0-3 -p 1308

And check back again:

virsh # vcpuinfo qemu
VCPU:           0
CPU:            0
State:          running
CPU Affinity:   yyyy

virsh #

Roman Bogorodskiy (1):
  BSD: implement virProcess{Get,Set}Affinity

 src/util/virprocess.c | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

-- 
1.8.4.3




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