diff options
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc new file mode 100644 index 000000000..1f6981ef7 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc @@ -0,0 +1,45 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe event auto/manual naming +# requires: 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 $FUNC" > kprobe_events +test -d events/kprobes2/event2 || exit_failure + +:;: "Add an event on dot function without name" ;: + +find_dot_func() { + if [ ! -f available_filter_functions ]; then + grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " " + return; + fi + + grep " [tT] .*\.isra\..*" /proc/kallsyms | cut -f 3 -d " " | while read f; do + if grep -s $f available_filter_functions; then + echo $f + break + fi + done +} + +FUNC=`find_dot_func | tail -n 1` +[ "x" != "x$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 |