#!/bin/sh

# Adapted from ceph repo src/script/kcon_most.sh 

p() {
 echo "$*" > /sys/kernel/debug/dynamic_debug/control
}

usage() {
 echo "usage: $0 [on|off]"
 exit 1
}

if [ $# != "1" ];
then
    usage
fi

if [ "$1" != "on" -a "$1" != "off" ];
then
    usage
fi

if [ $1 = "on" ];
then
	p 'module ceph +p'
	p 'module libceph +p'
	p 'module rbd +p'
	p 'file net/ceph/messenger.c -p'
	p 'file' `grep -- --- /sys/kernel/debug/dynamic_debug/control | grep ceph | awk '{print $1}' | sed 's/:/ line /'` '+p'
	p 'file' `grep -- === /sys/kernel/debug/dynamic_debug/control | grep ceph | awk '{print $1}' | sed 's/:/ line /'` '+p'
else
	p 'module ceph -p'
	p 'module libceph -p'
	p 'module rbd -p'
	p 'file' `grep -- --- /sys/kernel/debug/dynamic_debug/control | grep ceph | awk '{print $1}' | sed 's/:/ line /'` '-p'
	p 'file' `grep -- === /sys/kernel/debug/dynamic_debug/control | grep ceph | awk '{print $1}' | sed 's/:/ line /'` '-p'
fi
exit 0