linux-kernel - Re: [PATCH 0/4] workqueue_tracepoint: Add worklet tracepoints for worklet lifecycle tracing

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Date:	Tue, 28 Apr 2009 13:24:57 -0400
From:	fche@...hat.com (Frank Ch. Eigler)
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Zhaolei <zhaolei@...fujitsu.com>, mingo@...e.hu,
	kosaki.motohiro@...fujitsu.com, fweisbec@...il.com,
	rostedt@...dmis.org, tzanussi@...il.com,
	linux-kernel@...r.kernel.org, oleg@...hat.com
Subject: Re: [PATCH 0/4] workqueue_tracepoint: Add worklet tracepoints for worklet lifecycle tracing

Andrew Morton <akpm@...ux-foundation.org> writes:

> [...]  The patches introduce a moderate amount of tracing-specific
> hooks into the core workqueue code, which inevitably increases the
> maintenance load for that code.  It is important that it be
> demonstrated that the benefts of the code are worth that cost.
> Hence it is important that these benefits be demonstrated to us, by
> yourself.  Please.  [...]

To be fair, if you ask for someone to specify and quantify the
"benefits" side of this, shouldn't someone specify and quantify the
"cost" side of this too?  That way we would have something to compare.


- FChE
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