Demonstrations of check_vq_broken.bt, for kylin server sp1/2/3.

Output virtio virtqueue broken state every 10 second.

Requirements:
1. install bpftrace or static builded bpftrace.


Example:
#./bpftrace-x86 check_vq_broken.bt > log
Attaching 5 probes...
15:05:18
@virtqueue_broken[input.0]: 0
@virtqueue_broken[req.3]: 0
@virtqueue_broken[output.0]: 0
@virtqueue_broken[input]: 0
15:05:28
@virtqueue_broken[input.0]: 0
@virtqueue_broken[req.3]: 0
@virtqueue_broken[output.0]: 0


Parameter Explanation:
input0: indicate the vq's name


Issues:
none
