linux-kernel - Re: [PATCH 1/3] perf/ftrace: Revert ("perf/ftrace: Fix double traces of perf on ftrace:function")

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Date:   Tue, 10 Oct 2017 23:10:13 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, jolsa@...nel.org,
        zhouchengming1@...wei.com
Subject: Re: [PATCH 1/3] perf/ftrace: Revert ("perf/ftrace: Fix double traces
 of perf on ftrace:function")

On Tue, Oct 10, 2017 at 03:26:44PM -0400, Steven Rostedt wrote:
> On Tue, 10 Oct 2017 18:31:25 +0200
> Peter Zijlstra <peterz@...radead.org> wrote:
> 
> > Revert commit:
> > 
> >   75e8387685f6 ("perf/ftrace: Fix double traces of perf on ftrace:function")
> > 
> > The reason I insta stumbled on that patch is that it only addresses the ftrace
> 
> I'm trying to figure out what you meant by "insta".

instantly, immediately. It triggered a significant spike on the
official measure of review: WTFs/min.