From: Eric Blake <eblake@redhat.com>
To: "Denis V. Lunev" <den@openvz.org>,
qemu-block@nongnu.org, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Kevin Wolf <kwolf@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 3/5] trace: enable tracing in qemu-nbd
Date: Fri, 3 Jun 2016 08:46:58 -0600 [thread overview]
Message-ID: <57519862.5000302@redhat.com> (raw)
In-Reply-To: <1464892545-26544-4-git-send-email-den@openvz.org>
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On 06/02/2016 12:35 PM, Denis V. Lunev wrote:
> 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>
> CC: Eric Blake <eblake@redhat.com>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> CC: Stefan Hajnoczi <stefanha@redhat.com>
> CC: Kevin Wolf <kwolf@redhat.com>
> ---
> qemu-nbd.c | 18 +++++++++++++++++-
> qemu-nbd.texi | 28 ++++++++++++++++++++++++++++
> 2 files changed, 45 insertions(+), 1 deletion(-)
>
> +" --trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"
> +" specify tracing options\n"
> +++ b/qemu-nbd.texi
> @@ -92,6 +92,34 @@ Display extra debugging information
> Display this help and exit
> @item -V, --version
> Display version information and exit
> +@item -T, --trace [events=@var{file}][,file=@var{file}]
Why do these two descriptions differ?
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2016-06-03 14:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 18:35 [Qemu-devel] [PATCH v3 0/5] trace: enable tracing in qemu-io/qemu-nbd/qemu-img Denis V. Lunev
2016-06-02 18:35 ` [Qemu-devel] [PATCH 1/5] trace: move qemu_trace_opts to trace/control.c Denis V. Lunev
2016-06-02 18:35 ` [Qemu-devel] [PATCH 2/5] trace: enable tracing in qemu-io Denis V. Lunev
2016-06-02 18:35 ` [Qemu-devel] [PATCH 3/5] trace: enable tracing in qemu-nbd Denis V. Lunev
2016-06-03 14:46 ` Eric Blake [this message]
2016-06-03 14:48 ` Denis V. Lunev
2016-06-02 18:35 ` [Qemu-devel] [PATCH 4/5] qemu-img: move common options parsing before commands processing Denis V. Lunev
2016-06-03 14:50 ` Eric Blake
2016-06-02 18:35 ` [Qemu-devel] [PATCH 5/5] trace: enable tracing in qemu-img Denis V. Lunev
2016-06-03 14:55 ` Eric Blake
2016-06-03 14:58 ` Denis V. Lunev
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