linux下strace多個進程

#strace多個進程：
strace `ps aux | grep ProcGroupName | grep -v 'grep' | awk '{print "-p " $2}' | xargs echo`

#strace多個進程id下的所有線程
strace `ps -T ProcId1 ProcId2 ... | grep -v TTY | awk '{print "-p " $2}' | xargs echo`