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authorPaolo Bonzini <pbonzini@redhat.com>2016-01-07 16:55:27 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2016-02-03 09:19:09 +0000
commite9527dd399ed213ec6eb2c0ea54be663a73032b0 (patch)
tree82c51106e2f983f1d038ec499a0236be42c71e4e /qemu-options.hx
parent10578a257d94fb59449d0b0e441990c45a036ccc (diff)
trace: add "-trace help"
Print a list of trace points Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-7-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx2
1 files changed, 2 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index 35dc725958..733a1949e9 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -3564,6 +3564,8 @@ 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} file)