Difference between revisions of "Jetson Xavier NX/RidgeRun Products/GstShark"
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Revision as of 12:57, 20 August 2020
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NVIDIA®Jetson Xavier NX™ | |||
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Introduction | |||
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Development | |||
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GStreamer | |||
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Contact Us |
Contents
Overview
GstShark is an open-source project from Ridgerun that provides benchmarks and profiling tools for GStreamer 1.7.1 (and above). It includes tracers for generating debug information plus some tools to analyze the debug information. GstShark provides easy to use and useful tracers, paired with analysis tools to enable straightforward optimizations.
GstShark leverages GStreamer's tracing hooks and open-source and standard tracing and plotting tools to simplify the process of understanding the bottlenecks in your pipeline.
Promo/Demo Video
Features
GstShark is a set of data acquisition tools that yield some intermediate results and some data analysis tools that process those results.
Tracers
GstShark currently includes nine different tracers. They are described in detail in the tracers section later in this documentation.
Tracer | Description |
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InterLatency | Measures the latency time at different points in the pipeline. |
ProcTime | Measures the time an element takes to produce an output given the corresponding input. |
Framerate | Measures the amount of frames that go through a src pad every second. |
ScheduleTime | Measures the amount of time between two consecutive buffers in a sink pad. T |
CPUUsage | Measures the CPU usage every second. In multiprocessor systems this measurements are presented per core. |
Graphic | Records a graphical representation of the current pipeline. |
Bitrate | Measures the current stream bitrate in bits per second. |
Queue Level | Measures the amount of data queued in every queue element in the pipeline. |
Buffer | Prints information of every buffer that passes through every sink pad in the pipeline. This information contains PTS and DTS, duration, size, flags and even refcount. |
Results generated
GstShark outputs two sets of data that are relevant for the debug of the pipelines.
Data | Description |
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CTF trace files | Trace files that comply with the standard Common Trace File format. |
Pipeline diagram | Useful visualization of the pipeline generated by the graphic tracer. |
Analysis tools
GstShark provides some analysis tools that will help in parsing and extracting useful information from the trace data.
Tool | Description |
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GstShark plot | Octave scripts that process the trace files into easy-to-understand charts. |
Eclipse plugins | Experimental support for loading trace files in to Eclipse and providing charts. |
Getting Started
To know more about the extension please refer to the GstShark Getting Started wiki page.
Contact Us
For technical questions or you would like to know more information please Contact Us.