25 lines
630 B
Bash
Executable File
25 lines
630 B
Bash
Executable File
#!/bin/sh
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#use last CPU for host. Why not the first?
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#many devices tend to use cpu0 by default so
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#it tends to be busier
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HOST_AFFINITY=$(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n|tail -1)
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#run command on all cpus
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for cpu in $(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n);
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do
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#Don't run guest and host on same CPU
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#It actually works ok if using signalling
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if
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(echo "$@" | grep -e "--sleep" > /dev/null) || \
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test $HOST_AFFINITY '!=' $cpu
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then
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echo "GUEST AFFINITY $cpu"
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"$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
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fi
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done
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echo "NO GUEST AFFINITY"
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"$@" --host-affinity $HOST_AFFINITY
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echo "NO AFFINITY"
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"$@"
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