uftrace for GStreamer

This page is partially copied from https://gstreamer.freedesktop.org/documentation/tutorials/index.html?gi-language=c For more detail reference the page.

Make sure you have superuser(root) access rights to install GStreamer

1. Download prerequisites

apt-get install libgstreamer1.0-0 gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-doc gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio

2. Download GStreamer

git clone https://gitlab.freedesktop.org/gstreamer/gst-docs

3. Build the tutorials

$ gcc -pg basic-tutorial-1.c -o basic-tutorial-1 pkg-config --cflags --libs gstreamer-1.0``

3. Record basic-tutorial-1.c

$ uftrace record -P . basic-tutorial-1

4. Replay output

$ uftrace replay # DURATION TID FUNCTION [ 15661] | main() { 5.788 ms [ 15661] | gst_init(); 1.110 ms [ 15661] | gst_parse_launch(); 741.006 us [ 15661] | gst_element_set_state(); 0.593 us [ 15661] | gst_element_get_bus(); 3.114 s [ 15661] | gst_bus_timed_pop_filtered(); [ 15661] | gst_message_unref() { 2.987 us [ 15661] | gst_mini_object_unref(); 3.872 us [ 15661] | } /* gst_message_unref */ 0.808 us [ 15661] | gst_object_unref(); 60.858 ms [ 15661] | gst_element_set_state(); 311.514 us [ 15661] | gst_object_unref(); 3.183 s [ 15661] | } /* main */

5. uftrace tui

TOTAL TIME : FUNCTION 3.183 s : (1) basic-tutorial-1 3.183 s : (1) main 5.788 ms : ├─(1) gst_init : │ 1.110 ms : ├─(1) gst_parse_launch : │ 61.599 ms : ├─(2) gst_element_set_state : │ 0.593 us : ├─(1) gst_element_get_bus : │ 3.114 s : ├─(1) gst_bus_timed_pop_filtered : │ 3.872 us : ├─(1) gst_message_unref 2.987 us : │ (1) gst_mini_object_unref : │ 312.322 us : └─(2) gst_object_unref