Re: [PATCH 11/25] selftests/ftrace: Improve kprobe on module testcase to load/unload module

On Fri, 27 Jul 2018 21:15:08 +0900 Masami Hiramatsu mhiramat@kernel.org wrote:

--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc @@ -4,11 +4,18 @@ [ -f kprobe_events ] || exit_unsupported # this is configurable +rmmod trace-printk ||: +if ! modprobe trace-printk.ko ; then

• echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=

+m"

• exit_unresolved;

+fi

+MOD=trace_printk +FUNC=trace_printk_irq_work

Hmm, this caused a problem with CONFIG_KPROBE_EVENTS_ON_NOTRACE=n. However, as far as I can see, the trace_printk_irq_work() is not marked as notrace...

Anyway, I'll find another better module to test.

Thanks,