1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Generic dynamic event - add/remove tracepoint probe events 4# requires: dynamic_events "t[:[<group>/][<event>]] <tracepoint> [<args>]":README 5 6echo 0 > events/enable 7echo > dynamic_events 8 9TRACEPOINT1=kmem_cache_alloc 10TRACEPOINT2=kmem_cache_free 11 12echo "t:myevent1 $TRACEPOINT1" >> dynamic_events 13echo "t:myevent2 $TRACEPOINT2" >> dynamic_events 14 15grep -q myevent1 dynamic_events 16grep -q myevent2 dynamic_events 17test -d events/tracepoints/myevent1 18test -d events/tracepoints/myevent2 19 20echo "-:myevent2" >> dynamic_events 21 22grep -q myevent1 dynamic_events 23! grep -q myevent2 dynamic_events 24 25echo > dynamic_events 26 27clear_trace 28