On Wed, 20 Mar 2019 11:15:10 +0800 He Zhe <zhe...@windriver.com> wrote:
> Hi,
>
> User stack tracer causes crash and hang since the following commit till
> now(5.1-rc1).
>
> c3bc8fd637a9 ("tracing: Centralize preemptirq tracepoints and unify their
> usage")
Can you send me your .config.
-- Steve
>
> echo 1 > /proc/sys/kernel/stack_tracer_enabled
> echo userstacktrace > /sys/kernel/debug/tracing/trace_options
> echo 1 > /sys/kernel/debug/tracing/events/enable
> dmesg
>
