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perf/vhost: Add NUMA-aware cgroup setup for the VMs

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Each VM will be placed under dedicated cgroup pinned to proper set of
cpus and mem nodes as defined in the provided configuration.

Signed-off-by: Michal Berger <michal.berger@intel.com>
Change-Id: Id5d284ee9cbde541b8344ab38c3f77aa5430b1b1
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13704
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Michal Berger 2022-07-18 23:59:08 +02:00 committed by Jim Harris
parent 3d5e27df7d
commit 6872c67e4f
2 changed files with 9 additions and 1 deletions
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2
test/scheduler/common.sh
View File

@ -7,7 +7,7 @@ declare -r sysfs_node=$sysfs_system/node
declare -r scheduler=$rootdir/test/event/scheduler/scheduler
declare -r plugin=scheduler_plugin
source "$testdir/cgroups.sh"
source "$rootdir/test/scheduler/cgroups.sh"
fold_list_onto_array() {
local array=$1

8
test/vhost/common.sh
View File

@ -773,6 +773,8 @@ function vm_setup() {
notice "Saving to $vm_dir/run.sh"
cat <<- RUN > "$vm_dir/run.sh"
#!/bin/bash
rootdir=$rootdir
source "\$rootdir/test/scheduler/common.sh"
qemu_log () {
echo "=== qemu.log ==="
[[ -s $vm_dir/qemu.log ]] && cat $vm_dir/qemu.log
@ -790,12 +792,18 @@ function vm_setup() {
chmod +r $vm_dir/*
echo "Running VM in $vm_dir"
rm -f $qemu_pid_file
cgroup=\$(get_cgroup \$$)
set_cgroup_attr_top_bottom \$$ cgroup.subtree_control "+cpuset"
create_cgroup \$cgroup/qemu.$vm_num
set_cgroup_attr "\$cgroup/qemu.$vm_num" cpuset.mems "$node_num"
set_cgroup_attr "\$cgroup/qemu.$vm_num" cpuset.cpus "$task_mask"
"\${qemu_cmd[@]}"
echo "Waiting for QEMU pid file"
sleep 1
[[ ! -f $qemu_pid_file ]] && sleep 1
[[ ! -f $qemu_pid_file ]] && echo "ERROR: no qemu pid file found" && exit 1
set_cgroup_attr "\$cgroup/qemu.$vm_num" cgroup.threads \$(< "$qemu_pid_file")
exit 0
# EOF
RUN