linux-kernel - Re: [PATCH] Linux Kernel Markers

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Message-ID: <20060919201252.GD9459@Krystal>
Date:	Tue, 19 Sep 2006 16:12:52 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	"S. P. Prasanna" <prasanna@...ibm.com>
Cc:	Martin Bligh <mbligh@...gle.com>,
	Vara Prasad <prasadav@...ibm.com>,
	Andrew Morton <akpm@...l.org>,
	"Frank Ch. Eigler" <fche@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Paul Mundt <lethal@...ux-sh.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jes Sorensen <jes@....com>, Tom Zanussi <zanussi@...ibm.com>,
	Richard J Moore <richardj_moore@...ibm.com>,
	Michel Dagenais <michel.dagenais@...ymtl.ca>,
	Christoph Hellwig <hch@...radead.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	William Cohen <wcohen@...hat.com>, ltt-dev@...fik.org,
	systemtap@...rces.redhat.com, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH] Linux Kernel Markers

* S. P. Prasanna (prasanna@...ibm.com) wrote:
> 
> Some more coplicated method.
> How about inserting a (instruction size) number of breakpoints and
> wait untill all the threads gets scheduled atleast once (so that
> threads would hit the breakpoint, if their IPs are in the middle of
> instruction we want to replace with jump) and then replace with
> jump instruction.
> 

What happen if a thread is stopped ?

Mathieu

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