1000      7770  7695  0 14:22 pts/1    00:00:02 /usr/bin/qemu-kvm -drive file=debian.img.tmp,cache=off,format=raw,if=virtio -nodefconfig -machine accel=kvm:tcg -nodefaults -nographic -m 500 -no-reboot -no-hpet -device virtio-serial -serial stdio -chardev socket,path=/home/chenxiaolong/temp/libguestfs/src/libguestfs-1.14.7/libguestfsjZquh1/guestfsd.sock,id=channel0 -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 -kernel /home/chenxiaolong/temp/libguestfs/src/libguestfs-1.14.7/.guestfs-1000/kernel.7695 -initrd /home/chenxiaolong/temp/libguestfs/src/libguestfs-1.14.7/.guestfs-1000/initrd.7695 -append panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off printk.time=1 cgroup_disable=memory selinux=0 guestfs_verbose=1 TERM=xterm  -drive file=/home/chenxiaolong/temp/libguestfs/src/libguestfs-1.14.7/.guestfs-1000/root.7695,snapshot=on,if=virtio,cache=unsafe

1000      8392  7919  0 14:29 pts/4    00:00:00 grep --color=auto 7770