no tracer named 'leaks'

[Nicolas Dufresne]

Le jeu. 7 nov. 2019 08 h 40, Sirius Wu <ccwu660601 at gmail.com> a écrit :

> How can I register a tracer plugins in _priv_gst_tracing_init()? I do not
> know how to get the plugins.
>

This is a bit hidden in the Android.mk stuff, but each plugins export a
registration function, you simply need to call this function, there is a
helper macro somewhere.

I have commented on the issue, I need some information about the leak
tracer to suggest a proper solution.


> Sirius Wu <ccwu660601 at gmail.com> 於 2019年11月7日 週四 下午9:08寫道：
>
>> I've submit a bug report and a merge request.
>>
>> https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/462
>> https://gitlab.freedesktop.org/gstreamer/gstreamer/merge_requests/316
>>
>> Nicolas Dufresne <nicolas at ndufresne.ca> 於 2019年11月7日 週四 上午8:46寫道：
>>
>>> Le mercredi 06 novembre 2019 à 23:04 +0800, Sirius Wu a écrit :
>>> > Any suggestion that I can change so that _priv_gst_tracing_init() can
>>> be called after plugin loading of coretracers?
>>>
>>> I don't think anyone has tested the tracers on Android yet, and like
>>> many other thing, what isn't tested usually does not work.
>>>
>>> As Matthew mention, there is an ordering issue. To be allowed to
>>> register a plugin you need to gst_init(), but then there tracer init
>>> will lookup the env before you have registered any tracer.
>>>
>>> Can you file an issue about this ? Meanwhile, if you need to
>>> workaround, you'll have to hack _priv_gst_tracing_init() to register
>>> the tracer plugins.
>>>
>>> >
>>> > Sirius Wu <ccwu660601 at gmail.com> 於 2019年11月6日 週三 下午11:02寫道：
>>> > > Hi,
>>> > >
>>> > > because I've just modified android tutorial 5.
>>> > > In app_function() there are only a few lines before
>>> gst_parse_launch().
>>> > >
>>> > > ------------
>>> > >  /* Create our own GLib Main Context and make it the default one */
>>> > >   data->context = g_main_context_new ();
>>> > >   g_main_context_push_thread_default (data->context);
>>> > >
>>> > >   /* Build pipeline */
>>> > >   data->pipeline = gst_parse_launch ("playbin", &error);
>>> > > ------------
>>> > >
>>> > > I'd say the ordering issue is not in my code.
>>> > >
>>> > > I found that function init_post() which
>>> calls_priv_gst_tracing_init() is called before static plugins coreelements
>>> and coretracers.
>>> > > Should this plugins be loaded between init_pre() and init_post()? Or
>>> should they be loaded in init_post() but before priv_gst_tracing_init()?
>>> > >
>>> > >
>>> > >
>>> > > Matthew Waters <ystreet00 at gmail.com> 於 2019年11月6日 週三 下午7:43寫道：
>>> > > > Looks like there is an ordering issue.  On android you need to
>>> register the plugin before it can be used.  This may be an issue in
>>> GStreamer or with your build modifications.
>>> > > >
>>> > > > Cheers
>>> > > > -Matt
>>> > > >
>>> > > > On 6/11/19 9:09 pm, Sirius Wu wrote:
>>> > > > > HI,
>>> > > > >
>>> > > > > I've modified Android tutorial 5 to learn how to write a player.
>>> > > > > I'm using GStreamer 1.16.1.
>>> > > > >
>>> > > > > While testing the tutorial with a HLS link, I suspected that
>>> there are memory leaks caused by the playbin plugin. So I passed the
>>> following environment with Android's Os.setenv() to the player. I also
>>> added a gst_deinit() at the end of app_function().
>>> > > > >
>>> > > > >             Os.setenv("GST_TRACERS", "leaks", true);
>>> > > > >             Os.setenv("GST_DEBUG", "GST_TRACER:7", true);
>>> > > > >
>>> > > > > But I cannot find any logs from the leak tracer. I've only seen
>>> the following warning:
>>> > > > >
>>> > > > > _priv_gst_tracing_init no tracer named 'leaks'
>>> > > > > gst_tracer_register:<tracerfactory0> new tracer factory for
>>> latency
>>> > > > > gst_tracer_register:<latency> tracer factory for
>>> 2818005248:GstLatencyTracer
>>> > > > > gst_tracer_register:<tracerfactory1> new tracer factory for log
>>> > > > > gst_tracer_register:<log> tracer factory for
>>> 2818005328:GstLogTracer
>>> > > > > gst_tracer_register:<tracerfactory2> new tracer factory for
>>> rusage
>>> > > > > gst_tracer_register:<rusage> tracer factory for
>>> 2818005408:GstRUsageTracer
>>> > > > > gst_tracer_register:<tracerfactory3> new tracer factory for stats
>>> > > > > gst_tracer_register:<stats> tracer factory for
>>> 2818005488:GstStatsTracer
>>> > > > > gst_tracer_register:<tracerfactory4> new tracer factory for leaks
>>> > > > > gst_tracer_register:<leaks> tracer factory for
>>> 2818005568:GstLeaksTracer
>>> > > > >
>>> > > > > --
>>> > > > > Sirius Wu
>>> > > > >
>>> > > >
>>> > > >
>>> > >
>>> > >
>>> > > --
>>> > > Sirius Wu
>>> >
>>> >
>>> > _______________________________________________
>>> > gstreamer-devel mailing list
>>> > gstreamer-devel at lists.freedesktop.org
>>> > https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
>>
>> --
>> Sirius Wu
>>
>
>
> --
> Sirius Wu
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
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