#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - add/remove kprobe events # requires: dynamic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README echo 0 > events/enable echo > dynamic_events PLACE=$FUNCTION_FORK echo "p:myevent1 $PLACE" >> dynamic_events echo "r:myevent2 $PLACE" >> dynamic_events grep -q myevent1 dynamic_events grep -q myevent2 dynamic_events test -d events/kprobes/myevent1 test -d events/kprobes/myevent2 echo "-:myevent2" >> dynamic_events grep -q myevent1 dynamic_events ! grep -q myevent2 dynamic_events echo > dynamic_events if grep -q "p\[:\[<group>/]\[<event>]]" README; then echo "p:mygroup/ $PLACE" >> dynamic_events test -d events/mygroup echo "-:mygroup/" >> dynamic_events ! test -d events/mygroup fi clear_trace