no tracer named 'leaks'

[Sirius Wu]

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
>
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-- 
Sirius Wu
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