Date: Thu, 22 Oct 2020 09:56:29 +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-JtE8uSh9na@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 #33 from Sylvain Galliano <sg@efficientip.com> --- (In reply to Vincenzo Maffione from comment #32) Here are the results: ixl only patch, 6 queues, pkt-get WITHOUT -R: 710.623764 main_thread [2642] 38.621 Mpps (38.698 Mpkts 18.538 Gbps in 1002= 000 usec) 512.00 avg_batch 99999 min_space ixl only patch, 1 queue, pkt-get WITHOUT -R: 670.168017 main_thread [2642] 0.000 pps (0.000 pkts 0.000 bps in 1009185 us= ec) 0.00 avg_batch 99999 min_space 671.181833 main_thread [2642] 0.000 pps (0.000 pkts 0.000 bps in 1013816 us= ec) 0.00 avg_batch 99999 min_space 672.171832 sender_body [1662] poll error on queue 0: timeout 672.171838 sender_body [1665] txring 513 513 513 672.191833 main_thread [2642] 0.000 pps (0.000 pkts 0.000 bps in 1010000 us= ec) 0.00 avg_batch 99999 min_space ixl only patch, 1 queue, pkt-get WITH -R: -R 1000: 813.372070 main_thread [2642] 1.001 Kpps (1.002 Kpkts 480.718 Kbps in 10005= 03 usec) 3.00 avg_batch 99999 min_space -R 2000: 860.807010 main_thread [2642] 2.006 Kpps (2.010 Kpkts 962.692 Kbps in 10021= 90 usec) 6.00 avg_batch 99999 min_space ... (all intermediate -R value worked) ... -R 17000000: 057.160242 main_thread [2642] 17.001 Mpps (18.072 Mpkts 8.160 Gbps in 10630= 00 usec) 512.00 avg_batch 99999 min_space -R 18000000: 030.167994 sender_body [1662] poll error on queue 0: timeout 030.168001 sender_body [1665] txring 513 513 513 ixl + timer patches, 1 queue, pkt-get WITH -R: sysctl nm_tx_tmr_us=3D5 -R 1000: 261.886507 main_thread [2642] 1.001 Kpps (1.065 Kpkts 480.679 Kbps in 10634= 96 usec) 3.00 avg_batch 99999 min_space -R 2000: 279.365024 main_thread [2642] 2.000 Kpps (2.034 Kpkts 960.219 Kbps in 10167= 68 usec) 6.00 avg_batch 99999 min_space ... (all intermediate -R value worked) ... -R 17000000 388.372451 main_thread [2642] 17.000 Mpps (18.079 Mpkts 8.160 Gbps in 10634= 31 usec) 512.00 avg_batch 99999 min_space -R 18000000 894.421917 main_thread [2642] 18.000 Mpps (18.036 Mpkts 8.640 Gbps in 10020= 01 usec) 512.00 avg_batch 99999 min_space and sometime an error -R 19000000 991.012912 sender_body [1662] poll error on queue 0: timeout 991.012920 sender_body [1665] txring 513 513 513 another run: 968.011919 sender_body [1662] poll error on queue 0: timeout 968.011926 sender_body [1665] txring 235 235 235 and another one: 112.008840 sender_body [1662] poll error on queue 0: timeout 112.008848 sender_body [1665] txring 95 95 95 --=20 You are receiving this mail because: You are on the CC list for the bug.=
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