Valgrind reports definitely-lost 16384 bytes on Jetson platforms(TX1, TX2)
Running pipeline: $ valgrind gst-launch-1.0 videotestsrc num-buffers=300 ! fakesink
On L4T release r28.3 running on TX1, TX2, it is Ubuntu 16.04 and gstreamer 1.8.1. By default it reports definitely-lost 0 byte. After executing 'sudo apt install gstreamer1.0-libav', it reports definitely-lost 16384 bytes
It also reports definitely-lost 16384 bytes on L4T release r32.2 running on TX1, TX2. r32.2 release is Ubuntu 18.04 and gstreamer 1.14.4.