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2 The contents of this file must be kept in sync with qemu-option-trace.texi
3 until all the users of the texi file have been converted to rst and
4 the texi file can be removed.
5
6Specify tracing options.
7
8.. option:: [enable=]PATTERN
9
10 Immediately enable events matching *PATTERN*
11 (either event name or a globbing pattern). This option is only
12 available if QEMU has been compiled with the ``simple``, ``log``
13 or ``ftrace`` tracing backend. To specify multiple events or patterns,
14 specify the :option:`-trace` option multiple times.
15
16 Use :option:`-trace help` to print a list of names of trace points.
17
18.. option:: events=FILE
19
20 Immediately enable events listed in *FILE*.
21 The file must contain one event name (as listed in the ``trace-events-all``
22 file) per line; globbing patterns are accepted too. This option is only
23 available if QEMU has been compiled with the ``simple``, ``log`` or
24 ``ftrace`` tracing backend.
25
26.. option:: file=FILE
27
28 Log output traces to *FILE*.
29 This option is only available if QEMU has been compiled with
30 the ``simple`` tracing backend.