From owner-freebsd-hackers Sat Aug 5 10: 7:51 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from etinc.com (et-gw.etinc.com [207.252.1.2]) by hub.freebsd.org (Postfix) with ESMTP id E2E2437BA30 for ; Sat, 5 Aug 2000 10:07:48 -0700 (PDT) (envelope-from dennis@etinc.com) Received: from dbsys (dbsys.etinc.com [207.252.1.18]) by etinc.com (8.9.3/8.9.3) with SMTP id NAA00486 for ; Sat, 5 Aug 2000 13:08:45 -0400 (EDT) Message-Id: <200008051708.NAA00486@etinc.com> X-Sender: dennis@etinc.com X-Mailer: QUALCOMM Windows Eudora Pro Version 4.0 Date: Sat, 05 Aug 2000 13:21:47 -0400 To: hackers@freebsd.org From: Dennis Subject: FreeBSD belly up with big config Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG With 1800 interfaces in the system Freebsd seems to use about 50Mhz of cpu when idle in "interrupts" even when there are no interrupts to process. on a 500Mhz box it uses 10% of the cpu and it seems linear with different speed processors. the 1800 interfaces are 900 DLCIs on a T3 frame with 900 bridge groups (rather common for a DSL delivered via Frame). This with just one line...the same problem could occur with say 8 T1 lines with 100+ DLCIs on each. It seems that there is substantial overhead just scanning interfaces for some routine maintenance...is there any hope of alleviating this deboggle? Dennis To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message