[libvirt] qemu logging/tracing option in domain xml
Denis V. Lunev
den at virtuozzo.com
Mon Dec 14 13:55:31 UTC 2015
On 12/14/2015 04:52 PM, Dmitry Andreev wrote:
> Hi all,
>
> QEMU has the '-d' command line option to configure logs/traces.
> As I can see, <qemu:commandline> is the only way to set it in domain xml.
>
> <qemu:commandline> makes a configuration tainted and doesn't allow to
> update tracing/logging configuration in runtime. The ability to update
> configuration in runtime will be very useful for us in Virtuozzo for
> QEMU problem investigation and development.
>
> So I want to ask you will you mind if I prepare a patch-set that
> introduces a new section for domain xml with next scheme:
>
> <element name="debug">
> <zeroOrMore>
> <element name="log">
> <attribute name="name">
> <ref name="filter-param-value"/>
> </attribute>
> </element>
> </zeroOrMore>
> </element>
>
> Is this acceptable?
>
we are asking as tracing becomes a part of logging API
with this patchset
http://comments.gmane.org/gmane.comp.emulators.qemu/375071
which is scheduled for QEMU 2.6 and some libvirt counfiguration
would be perfectly fine.
Den
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