Date: Wed, 15 Feb 2023 13:19:03 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 268490] [igb] [lagg] [vlan]: Intel i210 performance severely degraded Message-ID: <bug-268490-7501-hYelspL7XH@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-268490-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-268490-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268490 --- Comment #12 from Daniel Duerr <duerrd561@gmail.com> --- (In reply to Kevin Bowling from comment #3) Ok, I completed the bisect process you outlined above -- thanks again for t= he great instructions. Here's the output: 6486e9dd8d24b0195facd23d8ca82e17e180cffb is the first bad commit commit 6486e9dd8d24b0195facd23d8ca82e17e180cffb Author: Eric Joyner <erj@FreeBSD.org> Date: Mon Sep 21 22:52:57 2020 +0000 MFC r365774 and r365776 These two commits fix issues in em(4)/igb(4): - Fix define and includes with RSS option enabled - Properly retain promisc flag in init PR: 249191, 248869 MFC after: 1 day sys/dev/e1000/if_em.c | 2 +- sys/dev/e1000/if_em.h | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) On the first commit I tested, performance was normal/awesome: [root@nfs dd]# iperf -s ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 64.0 KByte (default) ------------------------------------------------------------ [ 1] local 172.27.6.135 port 5001 connected with 172.27.6.129 port 54394 [ ID] Interval Transfer Bandwidth [ 1] 0.00-10.00 sec 1.10 GBytes 942 Mbits/sec [ 2] local 172.27.6.135 port 5001 connected with 172.27.6.129 port 53705 [ ID] Interval Transfer Bandwidth [ 2] 0.00-10.00 sec 1.09 GBytes 940 Mbits/sec [ 3] local 172.27.6.135 port 5001 connected with 172.27.6.129 port 64390 [ ID] Interval Transfer Bandwidth [ 3] 0.00-10.00 sec 1.12 GBytes 958 Mbits/sec Every commit after that, starting with the first bad commit listed above, performance was terrible: [root@nfs dd]# iperf -s ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 64.0 KByte (default) ------------------------------------------------------------ [ 1] local 172.27.6.135 port 5001 connected with 172.27.6.129 port 64164 [ 2] local 172.27.6.135 port 5001 connected with 172.27.6.129 port 65279 [ 3] local 172.27.6.135 port 5001 connected with 172.27.6.129 port 42346 recv failed: Connection reset by peer [ ID] Interval Transfer Bandwidth [ 1] 0.00-79.38 sec 60.0 Bytes 6.05 bits/sec ^CWaiting for server threads to complete. Interrupt again to force quit. [ 2] 0.00-56.63 sec 60.0 Bytes 8.48 bits/sec [ 3] 0.00-36.26 sec 60.0 Bytes 13.2 bits/sec [SUM] 0.00-95.55 sec 180 Bytes 15.1 bits/sec --=20 You are receiving this mail because: You are the assignee for the bug.=
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