On Wed, 24 Jul 2013, Andi Kleen wrote: > On Tue, Jul 23, 2013 at 08:39:09PM -0400, Sasha Levin wrote: > It sounds like trinity is breaking (well printing a message, not really > breaking) on any addition. So if we follow that the perf sysfs interface > would be completely frozen and can never be extended over today. Trinity is breaking on any *ABI-breaking* additions. You can add arbitrary fields to sysfs events/* as long as there's a corresponding format/* entry. > I don't think it's a big problem that a test tool needs to be extended > when the software it's testing changes. Trinity isn't the only tool that would break, I just picked it as an example because it's one that kernel devs have likely heard of. Vince -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html