Messages in this thread | | | Date | Tue, 26 Oct 2021 11:07:00 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH v4 7/8] tracing/selftests: Add tests for hist trigger expression parsing |
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On Tue, 26 Oct 2021 21:43:11 +0900 Masami Hiramatsu <mhiramat@kernel.org> wrote:
> > diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc > > new file mode 100644 > > index 000000000000..e715641c54d3 > > --- /dev/null > > +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc > > @@ -0,0 +1,72 @@ > > +#!/bin/sh > > +# SPDX-License-Identifier: GPL-2.0 > > +# description: event trigger - test histogram expression parsing > > +# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist error_log > > Hmm, are there any way to check the running kernel supports this feature? > Because the latest version of the kselftest is expected to run on the old stable > kernel for testing, the testcase should check whether the kernel supports this > testing feature or not. (That's why the requires tag supports README pattern check) > > So, at first if you didn't update the <tracefs>/README, please update it first > to show the new syntax is supported, and add "SOME-PATTERN":README to the > requires tag.
Yes, please update the README in kernel/trace/trace.c readme_msg[].
I'll look at the other patches, and if they are fine, I may just apply them.
-- Steve
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