2016-06-17 14:44:09 +00:00
|
|
|
Specify tracing options.
|
|
|
|
|
|
|
|
|
|
@table @option
|
|
|
|
|
@item [enable=]@var{pattern}
|
2018-05-20 05:28:33 +00:00
|
|
|
Immediately enable events matching @var{pattern}
|
|
|
|
|
(either event name or a globbing pattern). This option is only
|
2017-02-02 11:41:01 +00:00
|
|
|
available if QEMU has been compiled with the @var{simple}, @var{log}
|
2016-06-17 14:44:09 +00:00
|
|
|
or @var{ftrace} tracing backend. To specify multiple events or patterns,
|
|
|
|
|
specify the @option{-trace} option multiple times.
|
|
|
|
|
|
|
|
|
|
Use @code{-trace help} to print a list of names of trace points.
|
|
|
|
|
|
|
|
|
|
@item events=@var{file}
|
|
|
|
|
Immediately enable events listed in @var{file}.
|
|
|
|
|
The file must contain one event name (as listed in the @file{trace-events-all}
|
|
|
|
|
file) per line; globbing patterns are accepted too. This option is only
|
2017-02-02 11:41:01 +00:00
|
|
|
available if QEMU has been compiled with the @var{simple}, @var{log} or
|
2016-06-17 14:44:09 +00:00
|
|
|
@var{ftrace} tracing backend.
|
|
|
|
|
|
|
|
|
|
@item file=@var{file}
|
|
|
|
|
Log output traces to @var{file}.
|
|
|
|
|
This option is only available if QEMU has been compiled with
|
|
|
|
|
the @var{simple} tracing backend.
|
|
|
|
|
@end table
|
