README.pybootchart 1.4 KB

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  1. PYBOOTCHARTGUI
  2. ----------------
  3. pybootchartgui is a tool (now included as part of bootchart2) for
  4. visualization and analysis of the GNU/Linux boot process. It renders
  5. the output of the boot-logger tool bootchart (see
  6. http://www.bootchart.org/) to either the screen or files of various
  7. formats. Bootchart collects information about the processes, their
  8. dependencies, and resource consumption during boot of a GNU/Linux
  9. system. The pybootchartgui tools visualizes the process tree and
  10. overall resource utilization.
  11. pybootchartgui is a port of the visualization part of bootchart from
  12. Java to Python and Cairo.
  13. Adapted from the bootchart-documentation:
  14. The CPU and disk statistics are used to render stacked area and line
  15. charts. The process information is used to create a Gantt chart
  16. showing process dependency, states and CPU usage.
  17. A typical boot sequence consists of several hundred processes. Since
  18. it is difficult to visualize such amount of data in a comprehensible
  19. way, tree pruning is utilized. Idle background processes and
  20. short-lived processes are removed. Similar processes running in
  21. parallel are also merged together.
  22. Finally, the performance and dependency charts are rendered as a
  23. single image to either the screen or in PNG, PDF or SVG format.
  24. To get help for pybootchartgui, run
  25. $ pybootchartgui --help
  26. This code was originally hosted at:
  27. http://code.google.com/p/pybootchartgui/