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qemu-option-trace.texi 932B

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  1. Specify tracing options.
  2. @table @option
  3. @item [enable=]@var{pattern}
  4. Immediately enable events matching @var{pattern}
  5. (either event name or a globbing pattern). This option is only
  6. available if QEMU has been compiled with the @var{simple}, @var{log}
  7. or @var{ftrace} tracing backend. To specify multiple events or patterns,
  8. specify the @option{-trace} option multiple times.
  9. Use @code{-trace help} to print a list of names of trace points.
  10. @item events=@var{file}
  11. Immediately enable events listed in @var{file}.
  12. The file must contain one event name (as listed in the @file{trace-events-all}
  13. file) per line; globbing patterns are accepted too. This option is only
  14. available if QEMU has been compiled with the @var{simple}, @var{log} or
  15. @var{ftrace} tracing backend.
  16. @item file=@var{file}
  17. Log output traces to @var{file}.
  18. This option is only available if QEMU has been compiled with
  19. the @var{simple} tracing backend.
  20. @end table