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26 lines
889 B
26 lines
889 B
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Specify tracing options.
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``[enable=]PATTERN``
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Immediately enable events matching *PATTERN*
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(either event name or a globbing pattern). This option is only
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available if QEMU has been compiled with the ``simple``, ``log``
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or ``ftrace`` tracing backend. To specify multiple events or patterns,
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specify the :option:`-trace` option multiple times.
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Use :option:`-trace help` to print a list of names of trace points.
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``events=FILE``
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Immediately enable events listed in *FILE*.
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The file must contain one event name (as listed in the ``trace-events-all``
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file) per line; globbing patterns are accepted too. This option is only
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available if QEMU has been compiled with the ``simple``, ``log`` or
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``ftrace`` tracing backend.
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``file=FILE``
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Log output traces to *FILE*.
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This option is only available if QEMU has been compiled with
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the ``simple`` tracing backend.
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