[lttng-dev] User-space and kernel-space time stamps synchronisation.

[Arshad, Adeel]

Thanks Mathieu for helping me out. I have forwarded the patch on mailing list with subject.
[PATCH] Exporting the Trace Clock to Userspace for ARM architecture

---
Regards.

Adeel Arshad | Senior Software Development Engineer
Mentor Embedded™ | Lahore, Pakistan
P +92.42.36099197 | M +92.322.4616474

Nucleus® | Linux® | Android™ | Services | UI | Multi-OS

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________________________________________
From: Mathieu Desnoyers [mathieu.desnoyers at efficios.com]
Sent: Tuesday, February 07, 2012 11:04 PM
To: Arshad, Adeel
Cc: lttng-dev at lists.lttng.org
Subject: Re: [lttng-dev] User-space and kernel-space time stamps        synchronisation.

* Mathieu Desnoyers (mathieu.desnoyers at efficios.com) wrote:
> * Arshad, Adeel (Adeel_Arshad at mentor.com) wrote:
> >
> > Hi Mathieu,
> >
> > Thanks for the prompt reply. Yes your guess is right I am testing this stuff on older versions i.e ust 0.12 and Linux kernel 2.6.32.
> > I have already checked the formatting of patch as per the Linux Kernel patch submission standards [ scripts/checkpatch.pl ]. And regarding the Project Maintainers, when I run the get_maintainer.pl script on my patch I get the following list, should I include all of them in CC ?
> >
> > ./scripts/get_maintainer.pl --nogit ~/MEL-5/melbsp-115/upstream-patches/trace-clock-userspace-arm.patch
> >
> > Russell King <linux at arm.linux.org.uk>
> > Tony Lindgren <tony at atomide.com>
> > linux-arm-kernel at lists.infradead.org
> > linux-kernel at vger.kernel.org
> > linux-omap at vger.kernel.org
>
> Probably not. Better to keep it local to lttng-dev at lists.lttng.org,
> since LTTng has been removed from Linux staging. Mainline Linux seems to
> focus on perf/ftrace nowadays. By the way, if you have patches that
> change the Linux kernel, we'll need to modify them so the ABIs exposed
> go through the /proc/lttng ioctls and mmap.

After reflection, Tony Lindgren <tony at atomide.com> might be interested
to be kept in CC.

Thanks,

Mathieu

>
> Thanks,
>
> Mathieu
>
> >
> > ---
> > Regards.
> >
> > Adeel Arshad | Senior Software Development Engineer
> > Mentor Embedded™ | Lahore, Pakistan
> > P +92.42.36099197 | M +92.322.4616474
> >
> > Nucleus® | Linux® | Android™ | Services | UI | Multi-OS
> >
> > Android is a trademark of Google Inc. Use of this trademark is subject to Google Permissions.
> > Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.
> > ________________________________________
> > From: Mathieu Desnoyers [mathieu.desnoyers at efficios.com]
> > Sent: Tuesday, February 07, 2012 6:59 PM
> > To: Arshad, Adeel
> > Cc: lttng-dev at lists.lttng.org
> > Subject: Re: [lttng-dev] User-space and kernel-space time stamps        synchronisation.
> >
> > Hi!
> >
> > Did you do this work for lttng and ust 0.x or lttng/lttng-ust 2.0 ?
> >
> > In both cases, you can send the code as a set of [RFC patch project] to
> > begin with, and we'll let you know if some changes are needed.
> >
> > Please follow the Linux kernel patch submission guide lines for
> > formatting, and send those to lttng-dev at lists.lttng.org, CC'ing the
> > project maintainer.
> >
> > In terms of mainlining, we'll certainly be interested to integrate your
> > work into LTTng 2.1 (we plan to keep the monotonic clock for lttng 2.0).
> > As far as 0.x is concerned, it's been feature-frozen for a while, so if
> > your patch targets this version, we might have to adapt it to LTTng 2.0.
> >
> > Best regards,
> >
> > Mathieu
> >
> > * Arshad, Adeel (Adeel_Arshad at mentor.com) wrote:
> > >
> > > Hi,
> > >
> > > Hope to find you all in good health. My name is Adeel Arshad. And I am working at Mentor Graphics as a Senior Software Engineer.
> > > I have worked on User-space and kernel-space time stamps synchronisation for ARM architecture. We like to contribute to Lttng development and hence like to upstream the patch. Please guide me how to proceed further.
> > >
> > > ---
> > > Regards.
> > >
> > > Adeel Arshad | Senior Software Development Engineer
> > > Mentor Embedded™ | Lahore, Pakistan
> > > P +92.42.36099197 | M +92.322.4616474
> > >
> > > Nucleus® | Linux® | Android™ | Services | UI | Multi-OS
> > >
> > > Android is a trademark of Google Inc. Use of this trademark is subject to Google Permissions.
> > > Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.
> > > _______________________________________________
> > > lttng-dev mailing list
> > > lttng-dev at lists.lttng.org
> > > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
> >
> > --
> > Mathieu Desnoyers
> > Operating System Efficiency R&D Consultant
> > EfficiOS Inc.
> > http://www.efficios.com
>
> --
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com
>
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com