blob: a4fd4c851a5b7f27520801858d8f1f24e34ba56e [file] [log] [blame]
#!/bin/sh
# description: Register/unregister many kprobe events
[ -f kprobe_events ] || exit_unsupported # this is configurable
# ftrace fentry skip size depends on the machine architecture.
# Currently HAVE_KPROBES_ON_FTRACE defined on x86 and powerpc64le
case `uname -m` in
x86_64|i[3456]86) OFFS=5;;
ppc64le) OFFS=8;;
*) OFFS=0;;
esac
echo "Setup up to 256 kprobes"
grep t /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \
head -n 256 | while read i; do echo p ${i}+${OFFS} ; done > kprobe_events ||:
echo 1 > events/kprobes/enable
echo 0 > events/kprobes/enable
echo > kprobe_events
echo "Waiting for unoptimizing & freeing"
sleep 5
echo "Done"