From: Mathieu Desnoyers <compudj@krystal.dyndns.org>
To: ltt-dev@lists.casi.polymtl.ca
Cc: linux-kernel@vger.kernel.org
Subject: Re: [ltt-dev] LTTng 0.10-pre58 for linux 2.6.26-rc9 (with userspace tracing for x86)
Date: Fri, 11 Jul 2008 14:31:46 -0400 [thread overview]
Message-ID: <20080711183145.GA23053@Krystal> (raw)
In-Reply-To: <20080711151905.GA13558@Krystal>
LTTng 0.10-pre58 fixes tracepoint probe build in some configurations and
x86 arch-specific irq instrumentation.
Mathieu
* Mathieu Desnoyers (compudj@krystal.dyndns.org) wrote:
> Hi,
>
> Here is a new release of LTTng for the 2.6.26-rc9 kernel, which
> introduces :
>
> - The tracepoints infrastructure.
> - Architecture independent markers converted to tracepoints.
> - Re-introduction of userspace tracing, only for x86 for now. Allows to
> do boot-time tracing (such as tracing the init process). Adds 2 system
> calls : sys_marker (marker registration) and sys_trace (tracing per
> se). The type support is currently limited : strings are formatted in
> userspace and sent to the kernel for logging under the event
> "userspace_string". I am doing this simple implementation to get the
> feature in until I have time to think more carefully about namespacing
> issues, typing and 32/64 bits processes in 64 bits architectures.
>
> Please consider this last feature experimental. Review and testing is
> welcome. The userspace linker script and library needed to perform
> userspace tracing, as well as some sample code and Makefile, are
> available in the svn repository at
>
> http://ltt.polymtl.ca/svn/markers-userspace/
>
> Ports of the linker script, kernel-api.h (which should be
> per-architecture) and of markers-userspace-x86.patch to other
> architectures are welcome.
>
> As always, please follow the compatibility list and the quickstart guide
> located at :
>
> http://ltt.polymtl.ca/svn/ltt/branches/poly/doc/developer/lttng-lttv-compatibility.html
>
> http://ltt.polymtl.ca/svn/ltt/branches/poly/QUICKSTART
>
> Mathieu
>
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
>
> _______________________________________________
> ltt-dev mailing list
> ltt-dev@lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>
--
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
prev parent reply other threads:[~2008-07-11 18:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-11 15:19 LTTng 0.10-pre57 for linux 2.6.26-rc9 (with userspace tracing for x86) Mathieu Desnoyers
2008-07-11 18:31 ` Mathieu Desnoyers [this message]
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=20080711183145.GA23053@Krystal \
--to=compudj@krystal.dyndns.org \
--cc=linux-kernel@vger.kernel.org \
--cc=ltt-dev@lists.casi.polymtl.ca \
/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.