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Re: [Qemu-devel] [PATCH 4/6] trace: enable tracing in qemu-nbd
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH 4/6] trace: enable tracing in qemu-nbd |
Date: |
Mon, 13 Jun 2016 13:38:50 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 06/13/2016 10:58 AM, 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 <address@hidden>
> CC: Eric Blake <address@hidden>
> CC: Paolo Bonzini <address@hidden>
> CC: Stefan Hajnoczi <address@hidden>
> CC: Kevin Wolf <address@hidden>
> ---
> Makefile | 2 +-
> qemu-nbd.c | 18 +++++++++++++++++-
> qemu-nbd.texi | 2 ++
> 3 files changed, 20 insertions(+), 2 deletions(-)
>
> +++ b/qemu-nbd.c
> @@ -88,6 +90,8 @@ static void usage(const char *name)
> "General purpose options:\n"
> " --object type,id=ID,... define an object such as 'secret' for
> providing\n"
> " passwords and/or encryption keys\n"
> +" -T, --trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"
> +" specify tracing options\n"
> +++ b/qemu-nbd.texi
> @@ -92,6 +92,8 @@ Display extra debugging information
> Display this help and exit
> @item -V, --version
> Display version information and exit
> address@hidden -T, --trace address@hidden,address@hidden
Still not consistent.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-devel] [PATCH v4 0/6] trace: enable tracing in qemu-io/qemu-nbd/qemu-img, Denis V. Lunev, 2016/06/13
- [Qemu-devel] [PATCH 3/6] trace: enable tracing in qemu-io, Denis V. Lunev, 2016/06/13
- [Qemu-devel] [PATCH 2/6] trace: move qemu_trace_opts to trace/control.c, Denis V. Lunev, 2016/06/13
- [Qemu-devel] [PATCH 4/6] trace: enable tracing in qemu-nbd, Denis V. Lunev, 2016/06/13
- Re: [Qemu-devel] [PATCH 4/6] trace: enable tracing in qemu-nbd,
Eric Blake <=
- [Qemu-devel] [PATCH 1/6] doc: move text describing --trace to specific .texi file, Denis V. Lunev, 2016/06/13
- [Qemu-devel] [PATCH 5/6] qemu-img: move common options parsing before commands processing, Denis V. Lunev, 2016/06/13
- [Qemu-devel] [PATCH 6/6] trace: enable tracing in qemu-img, Denis V. Lunev, 2016/06/13