tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc

Source file repositories/reference/linux-study-clean/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc
Extension
.tc
Size
563 bytes
Lines
22
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

echo 'r:myprobeaccept vfs_read' > kprobe_events
RESULT1=`cat kprobe_events`

# Test for kretprobe by "%return"
echo 'p:myprobeaccept vfs_read%return' > kprobe_events
RESULT2=`cat kprobe_events`

if [ "$RESULT1" != "$RESULT2" ]; then
	echo "Error: %return suffix didn't make a return probe."
	echo "r-command: $RESULT1"
	echo "%return: $RESULT2"
	exit_fail
fi

echo > kprobe_events

Annotation

Implementation Notes