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authorDave Barach <dave@barachs.net>2019-02-03 10:44:47 -0500
committerDave Barach <openvpp@barachs.net>2019-02-03 17:24:18 +0000
commit9c8cfd3d575116ef2ebe225b90eb1a93627ba432 (patch)
tree98fcdb2a3de7019fd12842e73eb94f7f5f32f58e /src/vat
parent9793de02184e250b2c271f4c7710169394c8d0be (diff)
Automated anomaly detection
Compute per-track mean, variance, and n*stddev stats for the first u32 datum in each instance of the supplied event. Search for the next instance of the indicated event which has a datum larger than mean + n*stddev. This turns out to be a very effective "Nixon Gap" finder when the selected event datum is the instantaneous vector size. Such traces can be easily captured from production vpp images. Change-Id: I876843cb2ece22f902720704ce4568d4e1173e01 Signed-off-by: Dave Barach <dave@barachs.net>
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