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From: peter enderborg <peter.enderborg@sony.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Ingo Molnar <mingo@redhat.com>,
	Alex Deucher <alexander.deucher@amd.com>,
	"David S . Miller" <davem@davemloft.net>,
	Harry Wentland <Harry.Wentland@amd.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Tony Cheng <Tony.Cheng@amd.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Mel Gorman <mgorman@techsingularity.net>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Pavel Tatashin <pasha.tatashin@oracle.com>
Subject: Re: [PATCH] Add slowpath enter/exit trace events
Date: Thu, 23 Nov 2017 14:03:04 +0100	[thread overview]
Message-ID: <e9d1b05d-0188-6c98-7247-d43467fa73f5@sony.com> (raw)
In-Reply-To: <20171123124738.nj7foesbajo42t3g@dhcp22.suse.cz>

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?

Hopefully there are not that many fails, and they might be very hard to reproduce if you don't know what you are looking for.

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  reply	other threads:[~2017-11-23 13:03 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-23 10:43 peter.enderborg
2017-11-23 12:25 ` Michal Hocko
2017-11-23 12:35   ` peter enderborg
2017-11-23 12:47     ` Michal Hocko
2017-11-23 13:03       ` peter enderborg [this message]
2017-11-23 13:47         ` Michal Hocko
2017-11-23 13:36   ` Mel Gorman
2017-11-23 13:43     ` Tetsuo Handa
2017-11-24  7:43       ` peter enderborg
2017-11-23 14:01     ` Michal Hocko
2017-11-23 15:09       ` Mel Gorman
2017-11-24  8:38       ` peter enderborg
2017-11-23 13:00 ` Tetsuo Handa

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