Re: [libvirt] [PATCH v5 5/5] virsh: Add iothreadpin command

https://bugzilla.redhat.com/show_bug.cgi?id=1135491 $ virsh iothread --help NAME iothreadpin - control domain IOThread affinity SYNOPSIS iothreadpin <domain> <iothread> <cpulist> [--config] [--live] [--current] DESCRIPTION Pin domain IOThreads to host physical CPUs. OPTIONS [--domain] <string> domain name, id or uuid [--iothread] <number> IOThread ID number [--cpulist] <string> host cpu number(s) to set --config affect next boot --live affect running domain --current affect current domain Using the output from iothreadsinfo, allow changing the pinned CPUs for a single IOThread. $ virsh iothreadsinfo $dom IOThread ID CPU Affinity --------------------------------------------------- 1 2 2 3 3 0-1 $ virsh iothreadpin $dom 3 0-2 Then view the change $ virsh iothreadsinfo $dom IOThread ID CPU Affinity --------------------------------------------------- 1 2 2 3 3 0-2 If an invalid value is supplied or require option missing, then an error will be displayed: $ virsh iothreadpin $dom 4 3 error: invalid argument: iothread value out of range 4 > 3 $ virsh iothreadpin $dom 3 error: command 'iothreadpin' requires <cpulist> option Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- tools/virsh-domain.c | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++ tools/virsh.pod | 26 +++++++++++++ 2 files changed, 132 insertions(+)