eeb2b8f78d
This text will be included to qemu-nbd/qemu-img mans in the next patches. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1466174654-30130-3-git-send-email-den@openvz.org CC: Paolo Bonzini <pbonzini@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
26 lines
1.0 KiB
Plaintext
26 lines
1.0 KiB
Plaintext
Specify tracing options.
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@table @option
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@item [enable=]@var{pattern}
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Immediately enable events matching @var{pattern}.
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The file must contain one event name (as listed in the @file{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 @var{simple}, @var{stderr}
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or @var{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 @code{-trace help} to print a list of names of trace points.
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@item events=@var{file}
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Immediately enable events listed in @var{file}.
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The file must contain one event name (as listed in the @file{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 @var{simple}, @var{stderr} or
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@var{ftrace} tracing backend.
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@item file=@var{file}
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Log output traces to @var{file}.
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This option is only available if QEMU has been compiled with
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the @var{simple} tracing backend.
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@end table
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