Hello, can you share the output of the following commands while traffic is running: - vppctl cle run && vppctl sh run - vppctl cle err && vppctl sh err - vppctl cle hard && vppctl sh hard
And also the output of: - vppctl sh log - vppctl sh pci - vppctl sh thr Best ben ________________________________________ From: [email protected] <[email protected]> on behalf of mohammad mahdi nemati haravani via lists.fd.io <[email protected]> Sent: Wednesday, December 17, 2025 11:20 To: [email protected] Subject: [vpp-dev] Huge number of "dTLB-load-misses" when assigning more than 1 rx descriptor in VPP Hi, I was testing VPP on a system with CPU Intel® Xeon® Gold 6248R Processor and I have ICE 810-C one hundred gig when i try to assign more queue to worker threads i see DTLB miss rise in vtune and perf i even set system to drop all packet but it seems there is a problem with VPP code or configuration for reference i use dpdk testpmd and base on test pmd result i have this VPP 1 queue 8160 rx descriptor -> rx miss & 100% DTLB miss 1 queue 4096 rx descriptor -> no miss & no DTLB miss 2 queue 4096 rx descriptor -> no miss & no DTLB miss (but vpp loop per second drop drastically) 4 queue 4096 rx descriptor -> rx miss & 100% DTLB miss DPDK testpmd 1 queue 8160 rx descriptor -> no miss & no DTLB miss 1 queue 4096 rx descriptor -> no miss & no DTLB miss 2 queue 4096 rx descriptor -> no miss & no DTLB miss 4 queue 4096 rx descriptor -> no miss & no DTLB miss 4 queue 8160 rx descriptor -> no miss & no DTLB miss 8 queue 8160 rx descriptor -> no miss & no DTLB miss for both test i use one thread i want to know what is the problem that causes this since DPDK testpmd is ok but vpp is not also i use 1G huge page for both test
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