* [ltt-dev] LTT User-Space Tracing with FR integration
[not found] ` <AANLkTinsk4g5wMv3s2xGdkHDrZGS8-v-5Gg9HnZaxNSv@mail.gmail.com>
@ 2010-08-03 3:20 ` Pierre-Marc Fournier
0 siblings, 0 replies; only message in thread
From: Pierre-Marc Fournier @ 2010-08-03 3:20 UTC (permalink / raw)
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
> **********************
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