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xen-devel
Re: [Xen-devel] trace default?
Keir Fraser wrote:
On 6 Sep 2005, at 23:51, Rob Gardner wrote:
The xen trace facility is not enabled by default. I'm working on some
tools that use it, and I'm concerned that the tool will not work for
customers who buy packaged distro's. What are the arguments for
keeping trace disabled? Is it just the memory consumed by the trace
buffers? It doesn't appear to me that there would be any impact
beyond that. What is the possibility of making tracing enabled by
default?
It's up to the distros to decide what options they anable in their
default Xen package imo.
Yes, but they are likely to stick with the xen defaults unless they have
a reason for changing them. In the case of tracing, their reaction is
likely to be that "tracing" sounds like some debugging feature, will
probably be bad for performance, so let's leave it turned off. So could
you state what performance impact you think tracing will actually have
on the system?
Thanks,
Rob
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