Signed-off-by: Ryan Chung <[email protected]>
---
.../test.d/dynevent/add_remove_fprobe.tc | 121 ++++++++++++++++++
1 file changed, 121 insertions(+)
diff --git
a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
index 2506f464811b..d5761d31217c 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
@@ -2,6 +2,8 @@
# SPDX-License-Identifier: GPL-2.0
# description: Generic dynamic event - add/remove fprobe events
# requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[%return]
[<args>]":README
+# Note: list-style specs and :entry/:exit may be unavailable on older kernels.
+# These tests auto-skip at runtime if the list form is rejected by tracefs.
echo 0 > events/enable
echo > dynamic_events
@@ -89,4 +91,123 @@ if [ $cnt -ne $ocnt ]; then
exit_fail
fi
+# ---- New accept cases for list syntax with :entry/:exit and !-exclusions ----
+if echo "f:test/__list_check $PLACE,$PLACE3" >> dynamic_events 2> /dev/null;
then
+ # Clean the probe added by the guard
+ echo "-:test/__list_check" >> dynamic_events
+
+ # List default (entry) with exclusion, explicit group/event
+ echo "f:test/list_entry $PLACE,!$PLACE2,$PLACE3" >> dynamic_events
+ grep -q "test/list_entry" dynamic_events
+ test -d events/test/list_entry
+
+ echo 1 > events/test/list_entry/enable
+ # Should attach to PLACE and PLACE3, but not PLACE2
+ grep -q "$PLACE" enabled_functions
+ grep -q "$PLACE3" enabled_functions
+ ! grep -q "$PLACE2" enabled_functions
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $((ocnt + 2)) ]; then
+ exit_fail
+ fi
+
+ # Disable and remove; count should be back to baseline
+ echo 0 > events/test/list_entry/enable
+ echo "-:test/list_entry" >> dynamic_events
+ ! grep -q "test/list_entry" dynamic_events
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $ocnt ]; then
+ exit_fail
+ fi
+
+ # List with explicit :entry suffix (same behavior as default)
+ echo "f:test/list_entry_exp $PLACE,!$PLACE2,$PLACE3:entry" >>
dynamic_events
+ grep -q "test/list_entry_exp" dynamic_events
+ test -d events/test/list_entry_exp
+
+ echo 1 > events/test/list_entry_exp/enable
+ grep -q "$PLACE" enabled_functions
+ grep -q "$PLACE3" enabled_functions
+ ! grep -q "$PLACE2" enabled_functions
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $((ocnt + 2)) ]; then
+ exit_fail
+ fi
+
+ echo 0 > events/test/list_entry_exp/enable
+ echo "-:test/list_entry_exp" >> dynamic_events
+ ! grep -q "test/list_entry_exp" dynamic_events
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $ocnt ]; then
+ exit_fail
+ fi
+
+ # List with :exit suffix across the same set
+ echo "f:test/list_exit $PLACE,!$PLACE2,$PLACE3:exit" >> dynamic_events
+ grep -q "test/list_exit" dynamic_events
+ test -d events/test/list_exit
+
+ echo 1 > events/test/list_exit/enable
+ # On return probes, enabled_functions still reflects attached functions.
+ grep -q "$PLACE" enabled_functions
+ grep -q "$PLACE3" enabled_functions
+ ! grep -q "$PLACE2" enabled_functions
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $((ocnt + 2)) ]; then
+ exit_fail
+ fi
+
+ echo 0 > events/test/list_exit/enable
+ echo "-:test/list_exit" >> dynamic_events
+ ! grep -q "test/list_exit" dynamic_events
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $ocnt ]; then
+ exit_fail
+ fi
+
+ # Enabling entry and exit together does not double-count functions
+ echo "f:test/list_both_e $PLACE,!$PLACE2,$PLACE3" >> dynamic_events
+ echo "f:test/list_both_x $PLACE,!$PLACE2,$PLACE3:exit" >> dynamic_events
+ grep -q "test/list_both_e" dynamic_events
+ grep -q "test/list_both_x" dynamic_events
+ test -d events/test/list_both_e
+ test -d events/test/list_both_x
+
+ echo 1 > events/test/list_both_e/enable
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $((ocnt + 2)) ]; then
+ exit_fail
+ fi
+
+ # Enabling :exit for the same set should keep the count the same
+ echo 1 > events/test/list_both_x/enable
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $((ocnt + 2)) ]; then
+ exit_fail
+ fi
+
+ # Disable one; count should remain (the other still holds the attach)
+ echo 0 > events/test/list_both_e/enable
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $((ocnt + 2)) ]; then
+ exit_fail
+ fi
+
+ # Disable the other; count returns to baseline
+ echo 0 > events/test/list_both_x/enable
+ cnt=`cat enabled_functions | wc -l`
+ if [ $cnt -ne $ocnt ]; then
+ exit_fail
+ fi
+
+ # Remove both definitions
+ echo "-:test/list_both_e" >> dynamic_events
+ echo "-:test/list_both_x" >> dynamic_events
+ ! grep -q "test/list_both_e" dynamic_events
+ ! grep -q "test/list_both_x" dynamic_events
+else
+ # List-form not supported; skip silently
+ :
+fi
+
clear_trace
--
2.43.0
