linux-kernel - Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108

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Date:	Thu, 14 Sep 2006 19:48:30 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Michel Dagenais <michel.dagenais@...ymtl.ca>
Cc:	Roman Zippel <zippel@...ux-m68k.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Tom Zanussi <zanussi@...ibm.com>, ltt-dev@...fik.org
Subject: Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108


* Michel Dagenais <michel.dagenais@...ymtl.ca> wrote:

> This is the crucial point. Using an INT3 at each dynamic tracepoint is 
> both costly and is a larger perturbation on the system under study. 
> [...]

have you measured this?

	Ingo
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