mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 03:59:52 +00:00
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.
|
|
|
|
@table @option
|
|
@item [enable=]@var{pattern}
|
|
Immediately enable events matching @var{pattern}.
|
|
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
|
|
available if QEMU has been compiled with the @var{simple}, @var{stderr}
|
|
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
|
|
available if QEMU has been compiled with the @var{simple}, @var{stderr} or
|
|
@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
|