diff options
| author | Denis V. Lunev <den@openvz.org> | 2016-06-17 17:44:09 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2016-06-28 21:14:12 +0100 |
| commit | eeb2b8f78d614e0245c978d0da8beaba49a89f2e (patch) | |
| tree | 1940e3ce7f3f576547a68c622985a808a2982635 /qemu-option-trace.texi | |
| parent | e370ad99993aaa4b52e6dd53ed6b1eb6080c0692 (diff) | |
doc: move text describing --trace to specific .texi file
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>
Diffstat (limited to 'qemu-option-trace.texi')
| -rw-r--r-- | qemu-option-trace.texi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/qemu-option-trace.texi b/qemu-option-trace.texi new file mode 100644 index 0000000000..693ab5a3e1 --- /dev/null +++ b/qemu-option-trace.texi @@ -0,0 +1,25 @@ +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 |