From: Andi Kleen <ak@suse.de>
To: "Markus Metzger" <markus.t.metzger@googlemail.com>
Cc: "Roland McGrath" <roland@redhat.com>,
"Metzger, Markus T" <markus.t.metzger@intel.com>,
tglx@linutronix.de, "Andrew Morton" <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, hpa@zytor.com, "Siddha,
Suresh B" <suresh.b.siddha@intel.com>,
"Michael Kerrisk" <mtk-manpages@gmx.net>,
markus.t.metzger@gmail.com, "Ingo Molnar" <mingo@elte.hu>
Subject: Re: [patch 0/2] x86, ptrace: support for branch trace store(BTS)
Date: Mon, 3 Dec 2007 17:21:38 +0100 [thread overview]
Message-ID: <200712031721.39013.ak@suse.de> (raw)
In-Reply-To: <a430082a0712030553v22e9b46bnb9da975a23b1c0db@mail.gmail.com>
On Monday 03 December 2007 14:53:27 Markus Metzger wrote:
> > Cool. It's been on my list to look into exposing those features
> > somehow. I hadn't planned on doing it until after the utrace stuff
> > settles and there is a more coherent interface context in which to do
> > it.
>
> I'm looking very much forward to utrace. From what I read so far, this is
> a much nicer interface.
Just don't wait for that. utrace doesn't seem to have any concrete
plans to merge any time soon AFAIK[1] and it would be a shame to delay an useful
feature forever.
[1] At least the patches have not reached any mailing lists
> What did you have in mind when you asked for kernel-mode support?
I asked about that earlier too and I would like to see per CPU traces
for ring 0 with some way to dump that on crashes or on user trigger.
-Andi
next prev parent reply other threads:[~2007-12-03 16:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-29 8:14 [patch 0/2] x86, ptrace: support for branch trace store(BTS) Metzger, Markus T
2007-11-29 23:59 ` Andrew Morton
2007-11-30 9:57 ` Metzger, Markus T
2007-11-30 10:34 ` Andi Kleen
2007-11-30 15:45 ` Metzger, Markus T
2007-11-30 17:06 ` Ingo Molnar
2007-12-01 7:40 ` Ingo Molnar
2007-12-03 13:53 ` Markus Metzger
2007-12-03 15:17 ` Metzger, Markus T
2007-12-03 16:21 ` Andi Kleen [this message]
2007-12-03 16:45 ` Ingo Molnar
2007-12-03 17:11 ` Andi Kleen
2007-12-03 17:22 ` Thomas Gleixner
2007-12-03 21:55 ` Ingo Molnar
2007-12-03 22:02 ` Andi Kleen
2007-12-04 8:52 ` Metzger, Markus T
2007-11-30 10:54 ` Ingo Molnar
2007-11-30 15:48 ` Metzger, Markus T
2007-11-30 16:04 ` Michael Kerrisk
2007-11-30 16:08 ` Michael Kerrisk
2007-11-30 15:56 Markus Metzger
2007-12-04 18:03 Markus Metzger
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