[ltt-dev] LTT User-Space Tracing with FR integration

[Pierre-Marc Fournier]

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
> **********************