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Add forgotten run-with-cgroup.sh script

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This commit is contained in:
Pierre Labastie 2023-11-15 19:37:58 +01:00
parent 640cd5746b
commit 8e9343b632
1 changed files with 19 additions and 0 deletions
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19
common/run-in-cgroup.sh Executable file
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@ -0,0 +1,19 @@
#!/bin/bash
if [ -z "$CPUSPEC" ] || [ "$#" -lt 1 ]; then
echo "usage: CPUSPEC=... $0 command"
exit 1
fi
set +e
if type systemd-run >/dev/null 2>&1 ; then
sudo systemd-run -G --pty -d --uid=$(whoami) -p AllowedCPUs="$CPUSPEC" "$@"
else
sudo mkdir /sys/fs/cgroup/jhalfs
sudo sh -c "echo +cpuset > /sys/fs/cgroup/cgroup.subtree_control"
sudo sh -c "echo \"$CPUSPEC\" > /sys/fs/cgroup/jhalfs/cpuset.cpus"
(sudo sh -c "echo $BASHPID > /sys/fs/cgroup/jhalfs/cgroup.procs" &&
exec "$@")
sudo rmdir /sys/fs/cgroup/jhalfs
fi