#!/bin/bash
SUPPRESSED=0
for N in $(dmesg | grep -F "callbacks suppressed"| awk '{ print $4 }'); do let SUPPRESSED+=N; done
FAILURES=$(( $(dmesg|grep -F "flush failed"|wc -l) + SUPPRESSED ))
FLUSHES=$(dmesg|grep -F "chipset flush no" | tail -n1 | awk '{ print $NF }')
echo "$FAILURES / $FLUSHES"