no tracer named 'leaks'

[Sirius Wu]

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
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