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Sat, 28 Jun 2025 10:42:33 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 287872] boot time regression related to netlink and devd Date: Sat, 28 Jun 2025 10:42:32 +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: 14.3-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: eugen@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-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" 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 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D287872 --- Comment #2 from Eugene Grosbein --- Also, I observe bad performance of the command ifconfig while the host has = 814 network interfaces in total, including vlans: # time ifconfig -l > /dev/null real 0m0,836s user 0m0,001s sys 0m0,001s # time ifconfig lo0 > /dev/null real 0m0,840s user 0m0,000s sys 0m0,008s ifconfig does many netlink calls: # kdump -Ep 15771 | fgrep -c AF_NETLINK 165 devd runs many extra scripts and I suspect O(N^2) or even O(N^3) complexity= of devd starting sequence where N is total amount of vlans created before devd starts. --=20 You are receiving this mail because: You are the assignee for the bug.=