4.4. Tuna を使用したタスクのチューニング

tuna --threads=pid_or_cmd_list --priority=[policy:]rt_priority

# tuna --threads=pid_or_cmd_list --priority=[policy:]rt_priority

tuna --threads=7861 --priority=RR:40

# tuna --threads=7861 --priority=RR:40

tuna --threads=sshd --show_threads --priority=RR:40 --show_threads

# tuna --threads=sshd --show_threads --priority=RR:40 --show_threads

                      thread       ctxt_switches
    pid SCHED_ rtpri affinity voluntary nonvoluntary             cmd 
  1034   OTHER     0  0,1,2,3        12           17            sshd  
                      thread       ctxt_switches
    pid SCHED_ rtpri affinity voluntary nonvoluntary             cmd 
  1034      RR    40  0,1,2,3        12           17            sshd