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Re: [Xen-devel] [RFC][PATCH] 1/3] [XEN] Use explicit bit sized fieldsfor
| To: | Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, George Dunlap <gdunlap@xxxxxxxxxxxxx>, Mark Williamson <mark.williamson@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [RFC][PATCH] 1/3] [XEN] Use explicit bit sized fieldsfor exported xentrace data. |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Thu, 07 Dec 2006 10:32:41 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir@xxxxxxxxxxxxx>, Tony Breeds <tony@xxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 07 Dec 2006 02:33:19 -0800 |
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| Thread-topic: | [Xen-devel] [RFC][PATCH] 1/3] [XEN] Use explicit bit sized fieldsfor exported xentrace data. |
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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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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