qemu-options: Improve help texts for options which depend on configure

* Replace "available only" by the more common "only available".

* Tracing options depend on the configuration of the QEMU executable,
  so clarify the help text for both options.

Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Stefan Weil 2011-09-05 18:13:03 +02:00 committed by Stefan Hajnoczi
parent 6e93a44bc5
commit c1ba4e0be1
1 changed files with 5 additions and 5 deletions

View File

@ -1412,7 +1412,7 @@ qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
Connect VLAN @var{n} to PORT @var{n} of a vde switch running on host and Connect VLAN @var{n} to PORT @var{n} of a vde switch running on host and
listening for incoming connections on @var{socketpath}. Use GROUP @var{groupname} listening for incoming connections on @var{socketpath}. Use GROUP @var{groupname}
and MODE @var{octalmode} to change default ownership and permissions for and MODE @var{octalmode} to change default ownership and permissions for
communication port. This option is available only if QEMU has been compiled communication port. This option is only available if QEMU has been compiled
with vde support enabled. with vde support enabled.
Example: Example:
@ -2453,13 +2453,13 @@ Specify tracing options.
Immediately enable events listed in @var{file}. Immediately enable events listed in @var{file}.
The file must contain one event name (as listed in the @var{trace-events} file) The file must contain one event name (as listed in the @var{trace-events} file)
per line. per line.
This option is only available if QEMU has been compiled with
This option is only available when using the @var{simple} and @var{stderr} either @var{simple} or @var{stderr} tracing backend.
tracing backends.
@item file=@var{file} @item file=@var{file}
Log output traces to @var{file}. Log output traces to @var{file}.
This option is only available when using the @var{simple} tracing backend. This option is only available if QEMU has been compiled with
the @var{simple} tracing backend.
@end table @end table
ETEXI ETEXI