20 lines
529 B
Bash
20 lines
529 B
Bash
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#!/bin/bash
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if [ -z "$CPUSPEC" ] || [ "$#" -lt 1 ]; then
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echo "usage: CPUSPEC=... $0 command"
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exit 1
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fi
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set +e
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if type systemd-run >/dev/null 2>&1 ; then
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sudo systemd-run -G --pty -d --uid=$(whoami) -p AllowedCPUs="$CPUSPEC" "$@"
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else
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sudo mkdir /sys/fs/cgroup/jhalfs
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sudo sh -c "echo +cpuset > /sys/fs/cgroup/cgroup.subtree_control"
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sudo sh -c "echo \"$CPUSPEC\" > /sys/fs/cgroup/jhalfs/cpuset.cpus"
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(sudo sh -c "echo $BASHPID > /sys/fs/cgroup/jhalfs/cgroup.procs" &&
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exec "$@")
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sudo rmdir /sys/fs/cgroup/jhalfs
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fi
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