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Re: [Xen-devel] Questions about LOG system

On Wed, Feb 15, 2012 at 4:32 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
Please do not top post. http://wiki.xen.org/wiki/AskingXenDevelQuestions

On Wed, 2012-02-15 at 06:40 +0000, ææå wrote:
> Well, I have found the wrong code.
> The macro DPRINTF Âpoints to
> #define DPRINTF(_f, _a...) xc_report(xch, xch->error_handler,
> XTL_DETAIL, 0, _f, ## -a)
> So is this Xen's private log system ? Where messages write via
> xc_report and xc_report_error function?

You should have been able to find these functions by using "grep" or
other similar tools (hint: look under tools/libxc).

Had you done so you would have found that they use the xtl logger
infrastructure. xch->error_handler is the logger passed to
xc_interface_open(), the behaviour of which is documented in the header.


I have found these codes. Then how can I change the position of xen tool log or change the log level? I found it may beÂseparatedÂwith Xend log.


Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China
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