From owner-freebsd-net@freebsd.org Thu Oct 22 09:56:32 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5671144414F for ; Thu, 22 Oct 2020 09:56:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4CH2nX1hL7z4fBy for ; Thu, 22 Oct 2020 09:56:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 3748E444329; Thu, 22 Oct 2020 09:56:32 +0000 (UTC) Delivered-To: net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 35D9B444392 for ; Thu, 22 Oct 2020 09:56:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CH2nX0YHRz4fPt for ; Thu, 22 Oct 2020 09:56:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id EB9FC14FA1 for ; Thu, 22 Oct 2020 09:56:31 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 09M9uV3Y020317 for ; Thu, 22 Oct 2020 09:56:31 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 09M9uVkW020316 for net@FreeBSD.org; Thu, 22 Oct 2020 09:56:31 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f 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 Date: Thu, 22 Oct 2020 09:56:29 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.0-STABLE X-Bugzilla-Keywords: iflib, needs-qa, performance, regression X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: sg@efficientip.com X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: vmaffione@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? maintainer-feedback? mfc-stable12? mfc-stable11- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Oct 2020 09:56:32 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248652 --- Comment #33 from Sylvain Galliano --- (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.=