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Re: [pcp] pmval does not print negative values (#67)

To: performancecopilot/pcp <pcp@xxxxxxxxxxxxxxxxxx>
Subject: Re: [pcp] pmval does not print negative values (#67)
From: Ken McDonell <notifications@xxxxxxxxxx>
Date: Tue, 09 Feb 2016 14:18:08 -0800
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OK ... in 21 years this is the first time I've ever seen a PMDA that exports a negative value for an instantaneous metric ... nothing wrong with that, just outside the design envelope (and hence out of mind).

I would suspect that a lot more than pmval would be broken by this ... we'll need to extend the sample PMDA, then audit all the tools. But I do not expect the scope of the changes to be large (once you've addressed all 4 PM_TYPE_*s that could be used to hold a negative value).

Thanks, Rares.


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