no tracer named 'leaks'

[Sirius Wu]

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

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
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