Messages in this thread | | | Subject | Re: [patch] introduce TRACE_EVENT_ABI (was Re: TRACE_EVENT_ABI ?) | From | Steven Rostedt <> | Date | Wed, 23 Sep 2009 10:03:52 -0400 |
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On Wed, 2009-09-23 at 08:43 -0400, Christoph Hellwig wrote: > I'm not sure we can support any as an ABI yet. The text format seems to > volatile in general - not just the output of the individual trace events > but also the common file format, and for the binary format we need to > figure a good way to tag the output yet. Also when we define one as > one ABI we should make very clear what that means, e.g. does it have to stay > exactly as is? Or can we add new fields but not remove old one?
I had this discussion with people in Portland. We seem to agree that this should just lock the old fields in, but you can add new ones at the end.
-- Steve
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