From owner-freebsd-bugs Wed Aug 16 04:50:51 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.FreeBSD.org (8.6.11/8.6.6) id EAA20042 for bugs-outgoing; Wed, 16 Aug 1995 04:50:51 -0700 Received: from mail.cs.tu-berlin.de (mail.cs.tu-berlin.de [130.149.17.13]) by freefall.FreeBSD.org (8.6.11/8.6.6) with ESMTP id EAA20036 for ; Wed, 16 Aug 1995 04:50:46 -0700 Received: from caramba.cs.tu-berlin.de (wosch@caramba.cs.tu-berlin.de [130.149.144.4]) by mail.cs.tu-berlin.de (8.6.12/8.6.12) with ESMTP id NAA02930; Wed, 16 Aug 1995 13:44:47 +0200 From: Wolfram Schneider Received: (wosch@localhost) by caramba.cs.tu-berlin.de (8.6.12/8.6.9) id NAA20069; Wed, 16 Aug 1995 13:44:36 +0200 Date: Wed, 16 Aug 1995 13:44:36 +0200 Message-Id: <199508161144.NAA20069@caramba.cs.tu-berlin.de> To: Garrett Wollman Cc: FreeBSD-bugs@freebsd.org Subject: bin/683: cron(8) In-Reply-To: <9508151924.AA13140@halloran-eldar.lcs.mit.edu> References: <199508131617.SAA13412@localhost> <9508141442.AA11143@halloran-eldar.lcs.mit.edu> <199508141459.QAA11761@caramba.cs.tu-berlin.de> <9508141532.AA11236@halloran-eldar.lcs.mit.edu> <199508141557.RAA14439@caramba.cs.tu-berlin.de> <9508141644.AA11411@halloran-eldar.lcs.mit.edu> <199508141725.TAA18350@caramba.cs.tu-berlin.de> <9508141755.AA11596@halloran-eldar.lcs.mit.edu> <199508151046.MAA00781@localhost> <9508151924.AA13140@halloran-eldar.lcs.mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: bugs-owner@freebsd.org Precedence: bulk Garrett Wollman writes: >< said: > >> $ sa |egrep ' (cron|sh|atrun).?$' >> 59831 4528877.13re 89.06cp 1avio 5586k sh > >> 15,000 cron's, mostly for atrun. Every 6th sh(1) was calling from cron >> (other 72,000 sh(1) mainly from make(1)). > >You fail to explain why this matters. Do you read the mail from Bruce? /bin/sh is slow. 89.06cp is system + user time in minutes. Consider 0.33 sec user+system time on a poor 386 without FPU, 15,000 /bin/sh's use 83 min user+system time! Wolfram