| Message ID | 20210820204742.274591200@goodmis.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 079db70794ec5494a9e1091a1788e671d30b9103 |
| Headers | show |
| Series | tracing: Creation of event probe | expand |
On Fri, 20 Aug 2021 16:46:48 -0400 Steven Rostedt <rostedt@goodmis.org> wrote: > From: "Steven Rostedt (VMware)" <rostedt@goodmis.org> > > Add a test case that adds an event probe, makes sure that it works, and > then removes it. > > Link: https://lore.kernel.org/linux-kselftest/20210819152825.526931866@goodmis.org/ > > Cc: Shuah Khan <shuah@kernel.org> > Cc: Shuah Khan <skhan@linuxfoundation.org> > Cc: linux-kselftest@vger.kernel.org > Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> This looks good to me. Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Thank you! > --- > .../test.d/dynevent/add_remove_eprobe.tc | 40 +++++++++++++++++++ > 1 file changed, 40 insertions(+) > create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc > > 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 000000000000..25a3da4eaa44 > --- /dev/null > +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc > @@ -0,0 +1,40 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > +# description: Generic dynamic event - add/remove eprobe events > +# requires: dynamic_events events/syscalls/sys_enter_openat "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README > + > +echo 0 > events/enable > + > +clear_dynamic_events > + > +SYSTEM="syscalls" > +EVENT="sys_enter_openat" > +FIELD="filename" > +EPROBE="eprobe_open" > + > +echo "e:$EPROBE $SYSTEM/$EVENT file=+0(\$filename):ustring" >> 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 '"."'` || 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/$EPROBE > + > +clear_trace > -- > 2.30.2
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc new file mode 100644 index 000000000000..25a3da4eaa44 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc @@ -0,0 +1,40 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove eprobe events +# requires: dynamic_events events/syscalls/sys_enter_openat "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README + +echo 0 > events/enable + +clear_dynamic_events + +SYSTEM="syscalls" +EVENT="sys_enter_openat" +FIELD="filename" +EPROBE="eprobe_open" + +echo "e:$EPROBE $SYSTEM/$EVENT file=+0(\$filename):ustring" >> 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 '"."'` || 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 + +clear_trace