Re: [PATCH v2] ftrace/selftest: Test combination of function_graph tracer and function profiler

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On 10/7/24 18:33, Masami Hiramatsu (Google) wrote:
On Fri, 4 Oct 2024 14:56:18 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

From: Steven Rostedt <rostedt@xxxxxxxxxxx>

Masami reported a bug when running function graph tracing then the
function profiler. The following commands would cause a kernel crash:

   # cd /sys/kernel/tracing/
   # echo function_graph > current_tracer
   # echo 1 > function_profile_enabled

In that order. Create a test to test this two to make sure this does not
come back as a regression.

Link: https://lore.kernel.org/172398528350.293426.8347220120333730248.stgit@devnote2


Looks good to me.

Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>

Thanks!

Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>

Steve, Would you like me take this one through my tree?

thanks,
-- Shuah





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