Re: [Xen-devel] how to turn on tracing in xen

["George Dunlap " <dunlapg@xxxxxxxxx>]

Until recently in the -unstable tree, setsize would return weird error
messages even if it did what it was supposed to do.  Look at the
console i/o and see if it says that tracing has been enabled, and try
using xentrace.  If xentrace works, just ignore the error messages.
Presumably the fixes in -unstable will make it into xen 3.0.3.

-George

On 6/22/06, Anurag Agarwal <anurag_agarwal@xxxxxxxxxxxx> wrote:
> Hi,
>
> How do I turn on tracing in the Xen. I am using xen 3.0.2. I could not
> find a config option to turn ON tracing.
> setsize fails with :
>
> # setsize 20
> Failure to get tbuf info from Xen. Guess size is 0: Invalid argument
> This may mean that tracing is not enabled in xen.
> set_size Hypercall failure: Invalid argument
>
> May I know how to turn it on?
>
> Thanks,
> Anurag.
>
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