Are you setting emc-insert-inv-prob in the ovsdb before OvS starts? There should not be any packets being processed before the configuration is applied but if you remove the early startup time until you are sure the system is in a steady state from the analysis do you still see time being spend in emc_lookup and emc_insert?
Are you sure that the debug info (.exe) available to vtune when it is analyzing is identical to the one that was used to gather the stats? Otherwise an address could be attributed to the wrong symbol. /Billy. From: ovs-discuss-boun...@openvswitch.org [mailto:ovs-discuss-boun...@openvswitch.org] On Behalf Of Krish Sent: Thursday, March 22, 2018 3:48 AM To: ovs-discuss@openvswitch.org Subject: [ovs-discuss] EMC lookup disabled but still there some processing going on with emc lookup Hello everyone I am testing ovs-vswitch caches time spent using intel vtune. I disabled emc lookup using "emc-insert-inv-prob=0" but still I can see emc lookup is not disabled and also there is insertion which takes place into emc also after the packet completes fast-path processing. I am attaching the screenshots on Intel vtune along with this mail. Can anyone please explain why this happened? Thank you Regards
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