debug gst-shark gstreamer identity trace Debug Basic tutorial 11: Debugging tools 1 Trace from source to sink1 GST_TRACERS=latency GST_DEBUG=GST_TRACER:7 TODO: explain 1GST_TRACERS="latency(flags=element+pipeline+reported)" GST_DEBUG=GST_TRACER:7 TODO: gst-shark GstShark_