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dm-cache status shell
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| #!/bin/bash | |
| set -eo pipefail | |
| if [ -z "$1" ]; then | |
| echo "Usage: $0 <dm-cache device>" | |
| exit 1 | |
| fi | |
| /sbin/dmsetup status $1 | \ | |
| awk '{ rr = ($8/($8+$9))*100 ; wr = ($10/($10+$11))*100; print "meta: " $5 "\ncache: " $7 "\nread: "$8"/"$9, rr"% Hit\nwrite: "$10"/"$11, wr"% Hit\nmove: "$13"/"$12" (promote/demote)\ndirty: "$14 }' |
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