Date: Tue, 20 Oct 2020 21:49:00 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 248652] iflib: netmap pkt-gen large TX performance difference between 11-STABLE and 12-STABLE/CURRENT on ix & ixl NIC Message-ID: <bug-248652-7501-pkX8p6y3bS@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-248652-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-248652-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248652 --- Comment #29 from Sylvain Galliano <sg@efficientip.com> --- (In reply to Vincenzo Maffione from comment #28) Yes, this is much better: 6 queues, nm_tx_tmr_us=3D5: 983.492185 main_thread [2639] 37.907 Mpps (37.945 Mpkts 18.196 Gbps in 1001= 000 usec) 512.00 avg_batch 99999 min_space cpu usage: 100% but with this patch, something is wrong when using 1 queue: 110.079117 main_thread [2639] 0.000 pps (0.000 pkts 0.000 bps in 1003920 us= ec) 0.00 avg_batch 99999 min_space 111.080184 main_thread [2639] 0.000 pps (0.000 pkts 0.000 bps in 1001066 us= ec) 0.00 avg_batch 99999 min_space 111.714181 sender_body [1663] poll error on queue 0: timeout 112.089179 main_thread [2639] 0.000 pps (0.000 pkts 0.000 bps in 1008996 us= ec) 0.00 avg_batch 99999 min_space 113.116178 main_thread [2639] 0.000 pps (0.000 pkts 0.000 bps in 1026999 us= ec) 0.00 avg_batch 99999 min_space (I've double checked by reverting with previous patch: no issue) same errors when using 6 queues and pkt-gen with 6 threads (-p 6) --=20 You are receiving this mail because: You are on the CC list for the bug.=
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