#!/bin/bash
## Chipset flushing quality script for freedesktop bug 26345, 27187
## @author legolas558

function show_ratio() {
	local SUPPRESSED=0
	for N in $(dmesg | grep -F "callbacks suppressed"| awk '{ print $4 }'); do
		let SUPPRESSED+=N || return $?
	done
	local FAILURES=$(( $(dmesg|grep -F "flush failed" | wc -l) + SUPPRESSED ))
	local FLUSHES=$(dmesg|grep -F "chipset flush no" | tail -n1 | awk -F"[.,]" '{ print $3 }')
	if [ -z "$FLUSHES" ]; then
		FLUSHES=0
	fi
	echo "$FAILURES / $FLUSHES"
	## display the most relevant max retries count lines
	echo "max retries:"
	dmesg | grep -F "max retries" | awk '{ printf "%s\t%s\n", substr($2, 1, length($2)-1), $NF }' | sort -n -u --key=2
}

## loop mode - who wants more hacks?
if [[ "$1" == "-l" ]]; then
	while [ true ]; do
		clear
		show_ratio
		usleep 50000
	done
else
	show_ratio
fi