[libvirt] util: log: How about online change logLevel?

zhang bo oscar.zhangbo at huawei.com
Fri Apr 17 07:12:21 UTC 2015

Sometimes, when we encounter with a problem, we need to set libvirtd log level to DEBUG to dig detailed information.

But changing log level requires us to *restart* libvirtd.
    1) #vim /etc/libvirt/libvirtd.conf
        log_level = 1
    2) *service libvirtd restart*

We think that it makes sense to develop an API to *online* change log level, without restarting libvirtd.

What's your opinion? If it's necessary, I'd like to post a patch here.

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