| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Kprobe event auto/manual naming |
| |
| [ -f kprobe_events ] || exit_unsupported # this is configurable |
| |
| disable_events |
| echo > kprobe_events |
| |
| :;: "Add an event on function without name" ;: |
| |
| FUNC=`grep " [tT] .*vfs_read$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "` |
| [ "x" != "x$FUNC" ] || exit_unresolved |
| echo "p $FUNC" > kprobe_events |
| PROBE_NAME=`echo $FUNC | tr ".:" "_"` |
| test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure |
| |
| :;: "Add an event on function with new name" ;: |
| |
| echo "p:event1 $FUNC" > kprobe_events |
| test -d events/kprobes/event1 || exit_failure |
| |
| :;: "Add an event on function with new name and group" ;: |
| |
| echo "p:kprobes2/event2 $FUNC" > kprobe_events |
| test -d events/kprobes2/event2 || exit_failure |
| |
| :;: "Add an event on dot function without name" ;: |
| |
| FUNC=`grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "` |
| [ "x" != "x$FUNC" ] || exit_unresolved |
| echo "p $FUNC" > kprobe_events |
| EVENT=`grep $FUNC kprobe_events | cut -f 1 -d " " | cut -f 2 -d:` |
| [ "x" != "x$EVENT" ] || exit_failure |
| test -d events/$EVENT || exit_failure |
| |
| echo > kprobe_events |
