From: "Frank Ch. Eigler" <fche@redhat.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Theodore Tso <tytso@mit.edu>,
oleg@redhat.com, adobriyan@gmail.com, mingo@elte.hu,
torvalds@linux-foundation.org, roland@redhat.com,
rostedt@goodmis.org, utrace-devel@redhat.com,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
Christoph Hellwig <hch@infradead.org>,
Jeff Dike <jdike@addtoit.com>
Subject: Re: [PATCH 3/3] utrace-based ftrace "process" engine, v2
Date: Tue, 31 Mar 2009 07:38:32 -0400 [thread overview]
Message-ID: <20090331113832.GG16170@redhat.com> (raw)
In-Reply-To: <1238491062.28248.2046.camel@twins>
Hi -
On Tue, Mar 31, 2009 at 11:17:42AM +0200, Peter Zijlstra wrote:
> [...] Right, from my POV something like utrace is desirable, since
> its basically a huge multiplexer for the debugger state, eventually
> allowing us to have multiple debuggers attached to the same process.
> [...]
Right.
> Then there is this little thing called frysk which uses it, no idea
> what kind of kernel space that needs, nor where it lives -- or for
> that matter, wth it really does ;-)
Frysk was to be a first user of such an improved ptrace(2) API in
order to do the sort of background / multiply-connected debugging, but
that project has been on indefinite hold for about a year. Instead,
there are experiments under way to extend gdb's backend for that
capability.
- FChE
next prev parent reply other threads:[~2009-03-31 11:40 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-21 1:39 [PATCH 0/3] utrace Roland McGrath
2009-03-21 1:41 ` [PATCH 1/3] signals: tracehook_notify_jctl change Roland McGrath
2009-03-21 1:41 ` [PATCH 2/3] utrace core Roland McGrath
2009-03-21 8:49 ` Andrew Morton
2009-03-21 14:08 ` Renzo Davoli
2009-03-21 14:34 ` Ingo Molnar
2009-03-21 16:37 ` Renzo Davoli
2009-03-21 16:44 ` Ingo Molnar
2009-03-23 4:34 ` Roland McGrath
2009-03-23 4:35 ` Roland McGrath
2009-03-23 10:57 ` Will Newton
2009-03-21 1:42 ` [PATCH 3/3] utrace-based ftrace "process" engine, v2 Roland McGrath
2009-03-21 7:43 ` Ingo Molnar
2009-03-21 8:39 ` Andrew Morton
2009-03-21 9:12 ` Ingo Molnar
2009-03-21 11:19 ` Andrew Morton
2009-03-21 11:51 ` Frank Ch. Eigler
2009-03-21 12:04 ` Andrew Morton
2009-03-21 12:57 ` Frank Ch. Eigler
2009-03-21 15:45 ` Ingo Molnar
2009-03-21 20:35 ` Diego Calleja
2009-03-22 12:17 ` Ingo Molnar
2009-03-21 21:34 ` Andrew Morton
2009-03-21 21:51 ` Frank Ch. Eigler
2009-03-21 22:02 ` Linus Torvalds
2009-03-21 22:20 ` Frank Ch. Eigler
2009-03-21 22:37 ` Alexey Dobriyan
2009-03-21 23:38 ` Frank Ch. Eigler
2009-03-22 10:25 ` Ingo Molnar
2009-03-23 5:33 ` Roland McGrath
2009-03-23 5:20 ` Roland McGrath
2009-03-22 12:37 ` Ingo Molnar
2009-03-23 13:48 ` Alexey Dobriyan
2009-03-23 15:14 ` Oleg Nesterov
2009-03-23 21:44 ` Theodore Tso
2009-03-30 22:18 ` Andrew Morton
2009-03-30 22:52 ` Frank Ch. Eigler
2009-03-31 9:17 ` Peter Zijlstra
2009-03-31 11:27 ` Peter Zijlstra
2009-03-31 11:38 ` Frank Ch. Eigler [this message]
2009-03-31 16:25 ` Christoph Hellwig
2009-03-31 20:54 ` Roland McGrath
2009-03-21 21:48 ` Frank Ch. Eigler
2009-03-22 12:08 ` Ingo Molnar
2009-03-22 12:53 ` Ingo Molnar
2009-03-23 20:25 ` Frank Ch. Eigler
2009-03-23 20:39 ` Linus Torvalds
2009-03-23 5:09 ` Roland McGrath
2009-03-24 5:29 ` Ananth N Mavinakayanahalli
2009-03-24 5:54 ` Andrew Morton
2009-03-24 6:10 ` Ananth N Mavinakayanahalli
2009-03-23 4:49 ` Roland McGrath
2009-03-23 6:34 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090331113832.GG16170@redhat.com \
--to=fche@redhat.com \
--cc=a.p.zijlstra@chello.nl \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=hch@infradead.org \
--cc=jdike@addtoit.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=oleg@redhat.com \
--cc=roland@redhat.com \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=tytso@mit.edu \
--cc=utrace-devel@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.