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A shell function to use/extend cpuctl with cpu ranges on macosUsage: cpuset { offline | online } <start_cpu1>-<end_cpu1> [ <start_cpu2>-<end_cpu2>... ]
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| # A shell function to manage multiple CPUs using cpuctl on macos | |
| # XRR 2023 | |
| # Usage: cpuset { offline | online } <start_cpu1>-<end_cpu1> [ <start_cpu2>-<end_cpu2>... ] | |
| cpuset() { | |
| action=$1 | |
| shift | |
| if [ "$action" != "offline" ] && [ "$action" != "online" ]; then | |
| echo "Invalid action: $action" | |
| echo "Usage: cpuset { offline | online } <start_cpu1>-<end_cpu1> [ <start_cpu2>-<end_cpu2>... ]" | |
| return 1 | |
| fi | |
| if [ "$#" -eq 0 ]; then | |
| echo "No CPU range provided" | |
| echo "Usage: cpuset { offline | online } <start_cpu1>-<end_cpu1> [ <start_cpu2>-<end_cpu2>... ]" | |
| return 1 | |
| fi | |
| while [ "$#" -gt 0 ]; do | |
| range=$1 | |
| shift | |
| if [[ ! $range =~ ^[0-9]+-[0-9]+$ ]]; then | |
| echo "Invalid range format: $range" | |
| echo "Usage: cpuset { offline | online } <start_cpu1>-<end_cpu1> [ <start_cpu2>-<end_cpu2>... ]" | |
| return 1 | |
| fi | |
| start_cpu=$(echo $range | cut -d '-' -f 1) | |
| end_cpu=$(echo $range | cut -d '-' -f 2) | |
| for cpu in $(seq $start_cpu $end_cpu); do | |
| sudo cpuctl $action $cpu | |
| done | |
| done | |
| } | |
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