From mboxrd@z Thu Jan  1 00:00:00 1970
From: pierre-marc.fournier@polymtl.ca (Pierre-Marc Fournier)
Date: Mon, 02 Aug 2010 23:20:55 -0400
Subject: [ltt-dev] LTT User-Space Tracing with FR integration
In-Reply-To: <AANLkTinsk4g5wMv3s2xGdkHDrZGS8-v-5Gg9HnZaxNSv@mail.gmail.com>
References: <AANLkTil8RKrXWX5t8kKKjI_PmDKmsq3BOyHIdJMqGmlX@mail.gmail.com>	<4C464EE3.90106@polymtl.ca>
	<AANLkTinsk4g5wMv3s2xGdkHDrZGS8-v-5Gg9HnZaxNSv@mail.gmail.com>
Message-ID: <4C578B17.8030208@polymtl.ca>

On 07/23/2010 11:23 AM, srikanth krishnakar wrote:
> Thanks a lot. Pierre.
>
> Do you mean a feature similar/equal to Flight Recorder mode is already
> implemented in UST ?

No. My email described how to implement support for flight recorder in UST.

>
> Do I need to have some third party application or daemon running in the
> background to collect buffer data such as crash ?

No. UST provides a daemon. This daemon already supports crash recovery. 
This daemon could be enhanced to support flight recorder.

pmf

>
> Thank you !!
> -Srikant
>
>
> On Wed, Jul 21, 2010 at 7:05 AM, Pierre-Marc Fournier
> <pierre-marc.fournier at polymtl.ca
> <mailto:pierre-marc.fournier at polymtl.ca>> wrote:
>
>     On 07/12/2010 01:19 PM, srikanth krishnakar wrote:
>
>         Hello Mathieu,
>
>         I want UST (LTT User-Space Tracing) with Flight Recorder
>         integration.
>         What will be the major steps involved here to complete the UST
>         with FR
>         support ?
>
>
>     Hi Srikanth,
>
>     One would need to modify ustd to take command line arguments to do a
>     one-shot collection of the buffers of a process on demand. The
>     overwrite mode for the buffers is already implemented, see the
>     UST_OVERWRITE environment variable.
>
>     pmf
>
>
>
>
> --
> "The Good You Do, The Best You GET"
>
> Regards
> Srikanth Krishnakar
> **********************