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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 |