[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] trace default?
> 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? Trace buffers can be disabled on the commandline to avoid the memory overhead and the cost of calling the "trace" function itself via the TRACE_xD macros should not be measurable. Cheers, Mark _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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