pname="java"  # for example
for pid in $(pgrep "${pname}")
do 
    [ "${pid}" != "" ] || exit
    echo "PID: ${pid}"
    for tid in \
      $(ps --no-headers -ww -p "${pid}" -L -olwp | sed 's/$/ /' | tr  -d '\n')
    do
    taskset -cp "${tid}"   # substitute thread id in place of a process id
    done
done

输出

PID: 15695
pid 15695's current affinity list: 0
pid 15696's current affinity list: 0
pid 15697's current affinity list: 0
...

这不是一个简单的单行的原因是因为pgrep命令不能返回线程ID(只有进程ID).我们使用命令ps –no-headers -ww -p“${pid}”-L -olwp做了一些额外的工作

在Ubuntu 12上测试,bash 4.