linux-kernel - Re: [ltt-dev] LTTng 0.193 fixes RT kernel support

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Message-ID: <f5a7b3811002220737r502e75c1w5ab5a64b6cc27b68@mail.gmail.com>
Date:	Mon, 22 Feb 2010 21:07:13 +0530
From:	naresh kamboju <naresh.kernel@...il.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	ltt-dev@...ts.casi.polymtl.ca, linux-kernel@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-rt-users@...r.kernel.org
Subject: Re: [ltt-dev] LTTng 0.193 fixes RT kernel support

On Thu, Feb 18, 2010 at 4:38 AM, Mathieu Desnoyers
<mathieu.desnoyers@...icios.com> wrote:
> * naresh kamboju (naresh.kernel@...il.com) wrote:
>> Hi,
>>
>> On Tue, Feb 16, 2010 at 10:35 PM, Mathieu Desnoyers <compudj@...stal.dyndns.org> wrote:
> [...]
>> > Oh, right. Thanks for the explanation. I'll look into moving LTTng to a
>> > saner del_timer_sync() scheme to delete the timers.
>>
>> Could you give more info regarding, what kind of changes we can work on.
>> let me also work around on it.
>>
>
> I just released LTTng 0.193 for kernel 2.6.32.4 which includes patches
> fixing these odd per-cpu timer teardowns.

I have downloaded LTTng 0.193 patches and viewed i can see below patches

1. lttng-transport-lockless-add-timer-on-works-with-del-timer-sync.patch
2. omap-trace-clock-use-del-timer-sync.patch
3. x86-trace-clock-use-mod-timer.patch
4. trace-clock-32-to-64-use-del-timer-sync.patch

Thank you very much.

>The patches concerned are:
>
> lttng transport lockless add timer on works with del timer sync
> omap trace clock use del timer sync
> x86 trace clock use mod timer
> trace clock 32 to 64 use del timer sync
>
> (they are at the end of the LTTng 0.193 tree)
>
> Feedback is welcome,

I have ARM environment and currently working with 2.6.29-RT on ARM-SMP
hardware.
Let me test and comeback.

Best regards,
Naresh Kamboju
>
> Thanks,
>
> Mathieu
>
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
>
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