1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Generic dynamic event - selective clear (compatibility) 4# requires: dynamic_events kprobe_events synthetic_events 5 6grep -q "place: \[<module>:\]<symbol>" README || exit_unsupported 7grep -q "place (kretprobe): \[<module>:\]<symbol>" README || exit_unsupported 8 9grep -q "s:\[synthetic/\]" README || exit_unsupported 10 11echo 0 > events/enable 12echo > dynamic_events 13 14PLACE=_do_fork 15 16setup_events() { 17echo "p:myevent1 $PLACE" >> dynamic_events 18echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events 19echo "r:myevent2 $PLACE" >> dynamic_events 20echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events 21 22grep -q myevent1 dynamic_events 23grep -q myevent2 dynamic_events 24grep -q latency1 dynamic_events 25grep -q latency2 dynamic_events 26} 27 28setup_events 29echo > synthetic_events 30 31grep -q myevent1 dynamic_events 32grep -q myevent2 dynamic_events 33! grep -q latency1 dynamic_events 34! grep -q latency2 dynamic_events 35 36echo > dynamic_events 37 38setup_events 39echo > kprobe_events 40 41! grep -q myevent1 dynamic_events 42! grep -q myevent2 dynamic_events 43grep -q latency1 dynamic_events 44grep -q latency2 dynamic_events 45 46echo > dynamic_events 47