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Re: [PATCH] Linux Kernel Markers
- From: Mathieu Desnoyers <mathieu dot desnoyers at polymtl dot ca>
- To: "S. P. Prasanna" <prasanna at in dot ibm dot com>
- Cc: Martin Bligh <mbligh at google dot com>, Vara Prasad <prasadav at us dot ibm dot com>, Andrew Morton <akpm at osdl dot org>, "Frank Ch. Eigler" <fche at redhat dot com>, Ingo Molnar <mingo at elte dot hu>, Paul Mundt <lethal at linux-sh dot org>, linux-kernel <linux-kernel at vger dot kernel dot org>, Jes Sorensen <jes at sgi dot com>, Tom Zanussi <zanussi at us dot ibm dot com>, Richard J Moore <richardj_moore at uk dot ibm dot com>, Michel Dagenais <michel dot dagenais at polymtl dot ca>, Christoph Hellwig <hch at infradead dot org>, Greg Kroah-Hartman <gregkh at suse dot de>, Thomas Gleixner <tglx at linutronix dot de>, William Cohen <wcohen at redhat dot com>, ltt-dev at shafik dot org, systemtap at sources dot redhat dot com, Alan Cox <alan at lxorguk dot ukuu dot org dot uk>
- Date: Tue, 19 Sep 2006 16:12:52 -0400
- Subject: Re: [PATCH] Linux Kernel Markers
- References: <451008AC.6030006@google.com> <20060919154612.GU3951@redhat.com> <4510151B.5070304@google.com> <20060919093935.4ddcefc3.akpm@osdl.org> <45101DBA.7000901@google.com> <20060919063821.GB23836@in.ibm.com> <45102641.7000101@google.com> <4510413F.2030200@us.ibm.com> <45104468.50106@google.com> <20060919093056.GA21618@in.ibm.com>
* S. P. Prasanna (prasanna@in.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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