diff options
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/dynevent')
7 files changed, 305 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc new file mode 100644 index 000000000..c300eb020 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc @@ -0,0 +1,97 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove eprobe events +# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README + +echo 0 > events/enable + +clear_dynamic_events + +SYSTEM="syscalls" +EVENT="sys_enter_openat" +FIELD="filename" +EPROBE="eprobe_open" +OPTIONS="file=+0(\$filename):ustring" +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events + +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE + +echo 1 > events/eprobes/$EPROBE/enable +ls +echo 0 > events/eprobes/$EPROBE/enable + +content=`grep '^ *ls-' trace | grep 'file='` +nocontent=`grep '^ *ls-' trace | grep 'file=' | grep -v -e '"/' -e '"."' -e '(fault)' ` || true + +if [ -z "$content" ]; then + exit_fail +fi + +if [ ! -z "$nocontent" ]; then + exit_fail +fi + +echo "-:$EPROBE" >> dynamic_events + +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# test various ways to remove the probe (already tested with just event name) + +# With group name +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With group name and system/event +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE $SYSTEM/$EVENT" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With just event name and system/event +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:$EPROBE $SYSTEM/$EVENT" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With just event name and system/event and options +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With group name and system/event and options +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# Finally make sure what is in the dynamic_events file clears it too +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +LINE=`sed -e '/$EPROBE/s/^e/-/' < dynamic_events` +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +if grep -q "e\[:\[<group>/]\[<event>]]" README; then + echo "e:mygroup/ $SYSTEM/$EVENT $OPTIONS" >> dynamic_events + test -d events/mygroup + echo "-:mygroup/" >> dynamic_events + ! test -d events/mygroup +fi + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc new file mode 100644 index 000000000..13d43f40a --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc @@ -0,0 +1,33 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove kprobe events +# requires: dynamic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README + +echo 0 > events/enable +echo > dynamic_events + +PLACE=$FUNCTION_FORK + +echo "p:myevent1 $PLACE" >> dynamic_events +echo "r:myevent2 $PLACE" >> dynamic_events + +grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +test -d events/kprobes/myevent1 +test -d events/kprobes/myevent2 + +echo "-:myevent2" >> dynamic_events + +grep -q myevent1 dynamic_events +! grep -q myevent2 dynamic_events + +echo > dynamic_events + +if grep -q "p\[:\[<group>/]\[<event>]]" README; then + echo "p:mygroup/ $PLACE" >> dynamic_events + test -d events/mygroup + echo "-:mygroup/" >> dynamic_events + ! test -d events/mygroup +fi + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc new file mode 100644 index 000000000..2b94611e1 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc @@ -0,0 +1,24 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove synthetic events +# requires: dynamic_events "s:[synthetic/]":README + +echo 0 > events/enable +echo > dynamic_events + +echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events +echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events + +grep -q latency1 dynamic_events +grep -q latency2 dynamic_events +test -d events/synthetic/latency1 +test -d events/synthetic/latency2 + +echo "-:synthetic/latency2" >> dynamic_events + +grep -q latency1 dynamic_events +! grep -q latency2 dynamic_events + +echo > dynamic_events + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc b/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc new file mode 100644 index 000000000..3a0e2885f --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc @@ -0,0 +1,41 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - selective clear (compatibility) +# requires: dynamic_events kprobe_events synthetic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README "s:[synthetic/]":README + +echo 0 > events/enable +echo > dynamic_events + +PLACE=$FUNCTION_FORK + +setup_events() { +echo "p:myevent1 $PLACE" >> dynamic_events +echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events +echo "r:myevent2 $PLACE" >> dynamic_events +echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events + +grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +grep -q latency1 dynamic_events +grep -q latency2 dynamic_events +} + +setup_events +echo > synthetic_events + +grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +! grep -q latency1 dynamic_events +! grep -q latency2 dynamic_events + +echo > dynamic_events + +setup_events +echo > kprobe_events + +! grep -q myevent1 dynamic_events +! grep -q myevent2 dynamic_events +grep -q latency1 dynamic_events +grep -q latency2 dynamic_events + +echo > dynamic_events diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc new file mode 100644 index 000000000..4f5e8c665 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc @@ -0,0 +1,29 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Event probe event parser error log check +# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README error_log + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'event_probe' "$1" 'dynamic_events' +} + +check_error 'e ^a.' # NO_EVENT_INFO +check_error 'e ^.b' # NO_EVENT_INFO +check_error 'e ^a.b' # BAD_ATTACH_EVENT +check_error 'e syscalls/sys_enter_openat ^foo' # BAD_ATTACH_ARG +check_error 'e:^/bar syscalls/sys_enter_openat' # NO_GROUP_NAME +check_error 'e:^12345678901234567890123456789012345678901234567890123456789012345/bar syscalls/sys_enter_openat' # GROUP_TOO_LONG + +check_error 'e:^foo.1/bar syscalls/sys_enter_openat' # BAD_GROUP_NAME +check_error 'e:^ syscalls/sys_enter_openat' # NO_EVENT_NAME +check_error 'e:foo/^12345678901234567890123456789012345678901234567890123456789012345 syscalls/sys_enter_openat' # EVENT_TOO_LONG +check_error 'e:foo/^bar.1 syscalls/sys_enter_openat' # BAD_EVENT_NAME + +check_error 'e:foo/bar syscalls/sys_enter_openat arg=^dfd' # BAD_FETCH_ARG +check_error 'e:foo/bar syscalls/sys_enter_openat ^arg=$foo' # BAD_ATTACH_ARG + +if grep -q '<attached-group>\.<attached-event>.*\[if <filter>\]' README; then + check_error 'e:foo/bar syscalls/sys_enter_openat if ^' # NO_EP_FILTER +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc b/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc new file mode 100644 index 000000000..d3e138e83 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc @@ -0,0 +1,43 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - generic clear event +# requires: dynamic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README "s:[synthetic/]":README + +echo 0 > events/enable +echo > dynamic_events + +PLACE=$FUNCTION_FORK + +setup_events() { +echo "p:myevent1 $PLACE" >> dynamic_events +echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events +echo "r:myevent2 $PLACE" >> dynamic_events +echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events + +grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +grep -q latency1 dynamic_events +grep -q latency2 dynamic_events +} + +setup_events + +echo "!p:myevent1 $PLACE" >> dynamic_events +! grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +grep -q latency1 dynamic_events +grep -q latency2 dynamic_events + +echo "!s:latency1 u64 lat; pid_t pid;" >> dynamic_events +grep -q myevent2 dynamic_events +! grep -q latency1 dynamic_events +grep -q latency2 dynamic_events + +echo "!r:myevent2 $PLACE" >> dynamic_events +! grep -q myevent2 dynamic_events +grep -q latency2 dynamic_events + +echo "!s:latency2 u64 lat; pid_t pid;" >> dynamic_events +! grep -q latency2 dynamic_events + +echo > dynamic_events diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc new file mode 100644 index 000000000..d3a79da21 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc @@ -0,0 +1,38 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - check if duplicate events are caught +# requires: dynamic_events "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README + +echo 0 > events/enable + +HAVE_KPROBES=0 + +if [ -f kprobe_events ]; then + HAVE_KPROBES=1 +fi + +clear_dynamic_events + +# first create dynamic events for eprobes and kprobes. + +echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +# Test eprobe for same eprobe, existing kprobe and existing event +! echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events +! echo 'e:syscalls/sys_enter_open syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +if [ $HAVE_KPROBES -eq 1 ]; then + echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'e:kgroup/kevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +# Test kprobe for same kprobe, existing eprobe and existing event + ! echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'p:egroup/eevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'p:syscalls/sys_enter_open vfs_open file=+0($arg2)' >> dynamic_events + + echo '-:kgroup/kevent' >> dynamic_events +fi + +echo '-:egroup/eevent' >> dynamic_events + +clear_trace |