| #!/bin/sh | |
| # | |
| # Print a message every few seconds indicating the number of cycles that | |
| # were able to complete. Most useful as a "nice -20" process so you can | |
| # count how many CPU cycles are left over after "real" work gets done. | |
| # | |
| name=$1 | |
| mypid=$$ | |
| count=0 | |
| trap 'echo "${name:=spin}: $count"; count=0' USR1 | |
| while sleep 10; do | |
| kill -USR1 $mypid || exit 0 | |
| done & | |
| while :; do | |
| count=$(($count + 1)) | |
| done |