Re: [Xen-devel] [RFC][PATCH] 1/3] [XEN] Use explicit bit sized fieldsfor exported xentrace data.

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 6/12/06 16:10, "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> wrote:

> The ultimate best way of doing it would be to have trace functions that
> took a format string and a variable number of arguments. The actual
> trace record written in the buffer would just contain the record type
> and the length of the record, followed by the variable data. The format
> string would be written out in an a separate segment, enabling it to be
> extracted and used by the trace post-process tool to pretty print the
> records.

I agree this is a good way to go. We certainly don't want lots of little
single use trace-record structures, one per trace point in Xen! That would
be overkill -- format strings are a good middle ground.

 -- Keir


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