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Date:   Wed, 13 Oct 2021 12:47:31 -0400
From:   Steven Rostedt <>
To:     Peter Zijlstra <>
Cc:     Song Liu <>,,,,,
        Andrii Nakryiko <>,
        KP Singh <>
Subject: Re: [PATCH] perf/core: allow ftrace for functions in

On Tue, 12 Oct 2021 14:42:21 +0200
Peter Zijlstra <> wrote:

> On Wed, Oct 06, 2021 at 02:07:32PM -0700, Song Liu wrote:
> > It is useful to trace functions in kernel/event/core.c. Allow ftrace for
> > them by removing $(CC_FLAGS_FTRACE) from Makefile.
> > 
> > ---
> > We had some discussions about this last year [1]. Seems that enabling
> > ftrace in kernel/events won't really cause fatal recursion in the tests.
> > Shall we give it another try?  
> I suppose we can give it a go..

Did you want me to pull this into my tree? My tests usually stress perf
along with ftrace.

-- Steve

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