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authorDenis V. Lunev <den@openvz.org>2016-06-17 17:44:12 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2016-06-28 21:14:12 +0100
commit39ca463e81d102c08012f922cba8b784558eee81 (patch)
treed023389268517170697812ce4658d441575d5349 /qemu-nbd.texi
parente9a80859d67b217ed15b9b3820ca16ae117bb117 (diff)
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trace: enable tracing in qemu-nbd
Please note, trace_init_backends() must be called in the final process, i.e. after daemonization. This is necessary to keep tracing thread in the proper process. 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: 1466174654-30130-6-git-send-email-den@openvz.org CC: Paolo Bonzini <pbonzini@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-nbd.texi')
-rw-r--r--qemu-nbd.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/qemu-nbd.texi b/qemu-nbd.texi
index 9f23343..91ebf04 100644
--- a/qemu-nbd.texi
+++ b/qemu-nbd.texi
@@ -92,6 +92,9 @@ Display extra debugging information
Display this help and exit
@item -V, --version
Display version information and exit
+@item -T, --trace [[enable=]@var{pattern}][,events=@var{file}][,file=@var{file}]
+@findex --trace
+@include qemu-option-trace.texi
@end table
@c man end