Re: [Xen-devel] Does xentrace write into buffers by default?

["Thomas Friebel" <thomas.friebel@xxxxxxx>]

Hello Parissa,

On Thu, 2007-04-05 at 18:43 -0400, Parissa Heidari wrote:
> Hello,
> I have a question about the way Xentrace takes a trace.
> In previous versions of Xen, I took a trace by setting the size of buffers, 
> activating them and writing the information into a file (optional).
> setsize 20
> tbctl 1
> xentrace /tmp/xentrace.dat
> 
> Now I'm using xen-unstable and I see that setsize is already integrated in 
> xentrace command.
> 
> My question is: does start/stop buffer is integrated into the xentrace too?
> I mean, does xen write trace information into buffers by default or it starts 
> writing them after the command "xentrace /tmp/xentrace.dat".

The trace buffers are initialized and tracing starts when you set the
trace buffer size. This happens when you call "xentrace /tmp/foo" the
first time.

Thomas


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