[Xen-devel] Re: XenMon failure to get trace buffers

[Rob Gardner <rob.gardner@xxxxxx>]

JP S wrote:

> I am attempting to try out xenmon and am getting a error when I start it.
>  
> ERROR: Failure to get trace buffer pointer from Xen (22 = invalid 
> argument)
>  
> I also tried running "tbctl 1" but get "Enable/Disable hypercall 
> failure: Invaid argument"
>  

Sorry about the documentation; It leaves out an important step. You have 
to run "setsize" to allocate the trace buffer memory. The argument is in 
number of pages, ie, "setsize 20". Then you can run tbctl. This is one 
of the things I am fixing in the next release of xenmon- it will do this 
automatically.
Rob



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