From nobody Fri Jun 04 14:22:50 2021 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 9D2FFC7D7A6 for ; Fri, 4 Jun 2021 14:22:50 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FxQ2y3tVhz3kLm for ; Fri, 4 Jun 2021 14:22:50 +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 6EE461E972 for ; Fri, 4 Jun 2021 14:22:50 +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 154EMo2B024406 for ; Fri, 4 Jun 2021 14:22:50 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 154EMoeQ024405 for net@FreeBSD.org; Fri, 4 Jun 2021 14:22:50 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 256375] iflib/if_em: unplugging network cable causes huge KTorrent slowdown Date: Fri, 04 Jun 2021 14:22:50 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: IntelNetworking, iflib, performance X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: danfe@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: 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 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256375 --- Comment #11 from Alexey Dokuchaev --- (In reply to Aleksandr Fedorov from comment #9) > Alexey, may you perform similar tests with ifmediatst utility? My results mostly agree with yours, however, they are slightly higher and t= here are more outliers: Active, ports driver 15688292 samples, 0.000440~52.404189, mean 0.000695, stdev 0.035022 Unplugged, ports driver 699 samples, 50.136990~351.355143, mean 67.735449, stdev 39.253407 Active, removed iflib_admin_intr_deferred() 117707 samples, 0.046730~160.303206, mean 0.098550, stdev 1.004555 Unplugged, removed iflib_admin_intr_deferred() 169 samples, 52.865603~497.009039, mean 75.350125, stdev 52.074932 Active, unpatched 40666 samples, 0.046684~185.143686, mean 0.170622, stdev 1.997476 Unplugged, unpatched 61 samples, 54.975691~439.951595, mean 135.355143, stdev 66.179309 --=20 You are receiving this mail because: You are the assignee for the bug.=