参考:NICE, GETPRIORITY
実行結果
$ sudo ./getprio [sudo] ****** のパスワード: priority = 0 priority = -1 priority = -1
別ターミナルから確認
$ cat /proc/`pidof getprio`/sched | grep -e policy -e prio
getprio (96338, #threads: 1)
policy : 0
prio : 120
$ cat /proc/`pidof getprio`/stat | awk -F' ' '{print $18,$19}'
20 0
※ priority を -1 に設定後、確認
$ cat /proc/`pidof getprio`/sched | grep -e policy -e prio
getprio (96338, #threads: 1)
policy : 0
prio : 119
$ cat /proc/`pidof getprio`/stat | awk -F' ' '{print $18,$19}'
19 -1
$