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Date:   Thu, 23 Nov 2017 14:47:43 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     peter enderborg <peter.enderborg@...y.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alex Deucher <alexander.deucher@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Harry Wentland <Harry.Wentland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tony Cheng <Tony.Cheng@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Johannes Weiner <hannes@...xchg.org>,
        Pavel Tatashin <pasha.tatashin@...cle.com>
Subject: Re: [PATCH] Add slowpath enter/exit trace events

On Thu 23-11-17 14:03:04, peter enderborg wrote:
> On 11/23/2017 01:47 PM, Michal Hocko wrote:
> >
> > This might be true but the other POV is that the trace point with the
> > additional information is just too disruptive to the rest of the code
> > and it exposes too many implementation details.
> 
> From who do you want to hide details? Is this a security thing? I
> don't understand this  argument.  Tracefs is not part of uapi,
> right?

Linus would disagree https://lwn.net/Articles/737530/

-- 
Michal Hocko
SUSE Labs

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