[GStreamer] Plugin Processing time 측정 방법(GSTShark)

GSTShark 설치가 필요함

1. 관련 Package 설치

sudo apt install graphviz libgraphviz-dev
sudo apt install octave epstool babeltrace

2. GSTShark 설치

$ git clone https://github.com/RidgeRun/gst-shark/
$ cd gst-shark/
$ ./autogen.sh --prefix /usr/ --libdir /usr/lib/x86_64-linux-gnu/
$ make
$ sudo make install

3. 테스트

GST_DEBUG="GST_TRACER:7" GST_TRACERS="proctime" \
	gst-launch-1.0 videotestsrc num-buffers=10000 ! \
	'video/x-raw, format=(string)YUY2, width=(int)640, height=(int)480, framerate=(fraction)30/1' \
	! videorate max-rate=30 ! videoconvert ! queue ! avenc_h263p ! queue ! avimux ! fakesink

4. 로그 확인

0:00:01.994246894 1151846 0x562427ae88a0 TRACE             GST_TRACER :0:: proctime, element=(string)videoconvert0, time=(string)0:00:00.000032109;
0:00:01.994395874 1151846 0x562427ae88f0 TRACE             GST_TRACER :0:: proctime, element=(string)avenc_h263p0, time=(string)0:00:00.000372912;
0:00:01.994401155 1151846 0x562427ae88f0 TRACE             GST_TRACER :0:: proctime, element=(string)queue0, time=(string)0:00:00.000154431;
0:00:01.994401865 1151846 0x562427ae8850 TRACE             GST_TRACER :0:: proctime, element=(string)queue1, time=(string)0:00:00.000006357;
0:00:01.994594740 1151846 0x562427ae88a0 TRACE             GST_TRACER :0:: proctime, element=(string)capsfilter0, time=(string)0:00:00.000000482;
0:00:01.994598173 1151846 0x562427ae88a0 TRACE             GST_TRACER :0:: proctime, element=(string)videorate0, time=(string)0:00:00.000003703;
0:00:01.994630612 1151846 0x562427ae88a0 TRACE             GST_TRACER :0:: proctime, element=(string)videoconvert0, time=(string)0:00:00.000032159;
0:00:01.994774671 1151846 0x562427ae88f0 TRACE             GST_TRACER :0:: proctime, element=(string)avenc_h263p0, time=(string)0:00:00.000372839;
0:00:01.994779616 1151846 0x562427ae88f0 TRACE             GST_TRACER :0:: proctime, element=(string)queue0, time=(string)0:00:00.000149048;
0:00:01.994780333 1151846 0x562427ae8850 TRACE             GST_TRACER :0:: proctime, element=(string)queue1, time=(string)0:00:00.000006217;

5. Graphviz 이용

$ ./gstshark-plot gstshark_2022-05-30_19\:16\:42/ -s pdf