Fwd: Vsicorp: Problems with GstShark - RidgeRun

[John Hanks]

This seems to work with the command line example but when I try it from 
my C-program using these lines in the code:

setenv("GST_TRACERS","latency(flags=pipeline+elemen+reported)",TRUE);
     setenv("GST_DEBUG","GST_TRACER:7" ,TRUE);

I get no 'trace' output.  Any idea what am I doing wrong?

John

On 5/31/19 08:11, Nicolas Dufresne wrote:
> Le jeudi 30 mai 2019 à 22:30 -0400, John Hanks a écrit :
>> In case others are having similar problems.  gst-shark is not providing the output it should.
>> Has anyone else had similar issues?
> The latency and interlatency tracers in GstShark are no longer useful
> in my opinion. Julian and I (Collabora) have fixed many issues and came
> up with a completely upstream solution for this.
>
> Since 1.16, you can now use the upstream latency tracer to get three
> type of information:
>
>    - Complete pipeline latency
>    - Per element latency (not the cumulative like interlatency did)
>    - Per element reported latency
>
> To enable all of these:
>
> GST_TRACERS="latency(flags=pipeline+elemen+reported)" GST_DEBUG=GST_TRACER:7 ./...
>
>
> The initial issue we had with the RidgeRun implementation was a bug
> inherited from the original upstream tracer. The time spent in the the
> wait function of the sink was included. We also found that the
> cumulative latency wasn't so nice to debug the reported latency. The
> reported latency tracing is completely new. That being said, thanks to
> RidgeRun for the proof of concept.
>
> Nicolas
>
>> John
>>
>>
>> -------- Forwarded Message --------
>> Subject:	Vsicorp: Problems with GstShark - RidgeRun
>> Date:	Wed, 29 May 2019 14:50:45 +0000 (GMT)
>> From:	Carlos Rodriguez <carlos.rodriguez at ridgerun.com>
>> To:	John Hanks <jhanks at vsicorp.com>, support <support at ridgerun.com>
>> CC:	Miguel Angel Taylor López <miguel.taylor at ridgerun.com>
>>
>>
>> Hi John,
>>
>> Thanks for your interest in our products and services. RidgeRun is a company with over a decade of embedded Linux experience supporting NVIDIA, Xilinx, Freescale/NXP, and Texas Instruments SoC. RidgeRun focuses on embedded Linux and GStreamer. Many, but not all, of our customers are doing some sort of audio / video streaming ( https://shop.ridgerun.com/collections/all).
>>
>> Miguel (CC'ed) will help you with this GstShark problem. He will provide support shortly.
>>
>> Regards,
>> - Carlos R.
>> ----------------------------------------------------------------------------------------------
>> Ticket Name: Problems with GSTShark
>>
>> Ticket Description:
>>
>> I've been working with gstreamer for about a year and wanted to use your tools to profile my working pipelines (actually, programs) so I could debug future problems. I followed the instructions to 'git', make and install the code but I must have done something wrong.  The only time it seems to do anything is when I set GST_TRACERS=latency.  It then displays the latency in the running window like this:
>>
>> 0:00:01.739608128 4356 0xbb04a0 TRACE GST_TRACER :0:: latency, src=(string)videotestsrc0_src, sink=(string)fakesink0_sink, time=(guint64)1558941909, ts=(guint64)1739572905;
>> 0:00:01.773075049 4356 0xbb04a0 TRACE GST_TRACER :0:: latency, src=(string)videotestsrc0_src, sink=(string)fakesink0_sink, time=(guint64)1588456647, ts=(guint64)1773053449;
>> 0:00:01.806234476 4356 0xbb04a0 TRACE GST_TRACER :0:: latency, src=(string)videotestsrc0_src, sink=(string)fakesink0_sink, time=(guint64)1617668782, ts=(guint64)1806211230;
>>
>> This output is odd because what I read says the it should create a new subdirectory and dump the information in a file.  Even when I set that directory (GST_SHARK_LOCATION), it still dumps latency o the screen and and never creates a file.
>>
>> If I try any of the other tracers (cpuusage,framerate, etc) it just hangs after starting the pipeline - and that is your example pipelines from the wiki.
>>
>> I'm guessing I must have done something wrong with the installation but cannot figure out what.
>>
>> I'm running Ubuntu 16.04.6.
>>
>> Any ideas what I am doing wrong?
>>
>> John
>>
>>
>>
>> Tuesday, May 28, 2019 8:05:08 PM CST, John Hanks <jhanks at vsicorp.com>:
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
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