test.d/kprobe/kprobe_args.tc

0001 #!/bin/sh
0002 # SPDX-License-Identifier: GPL-2.0
0003 # description: Kprobe dynamic event with arguments
0004 # requires: kprobe_events
0005
0006 echo "p:testprobe $FUNCTION_FORK \$stack \$stack0 +0(\$stack)" > kprobe_events
0007 grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)'
0008 test -d events/kprobes/testprobe
0009
0010 echo 1 > events/kprobes/testprobe/enable
0011 ( echo "forked")
0012 grep testprobe trace | grep "$FUNCTION_FORK" | \
0013   grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$'
0014
0015 echo 0 > events/kprobes/testprobe/enable
0016 echo "-:testprobe" >> kprobe_events
0017 clear_trace
0018 test -d events/kprobes/testprobe && exit_fail || exit_pass
0019