linux-kernel - Re: [RFC] perf/core: allow ftrace for functions in kernel/event/core.c

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Message-ID: <20200526180535.0370eb90@gandalf.local.home>
Date:   Tue, 26 May 2020 18:05:35 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Song Liu <songliubraving@...com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>
Subject: Re: [RFC] perf/core: allow ftrace for functions in
 kernel/event/core.c

On Tue, 26 May 2020 18:04:37 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> In the early days there was a lot of issues with recursions, but I added a
> lot of recursion protection since then. I'll give this patch a spin and see
> if I can make it crash.

I also have some patches that make both perf and the trace directory
visible by function tracing. I'll see if I can dig them out too.

-- Steve