From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lixom.net (lixom.net [66.141.50.11]) by ozlabs.org (Postfix) with ESMTP id 7131EDDECD for ; Wed, 17 Oct 2007 06:19:21 +1000 (EST) Date: Tue, 16 Oct 2007 15:25:25 -0500 From: Olof Johansson To: paulus@samba.org, benh@kernel.crashing.org Subject: New time code miscalculates cpu usage Message-ID: <20071016202525.GA11837@lixom.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, Not sure when this started happening, but I wanted to report it. I'll start bisecting in a day or two if noone else has gotten around to looking at it: $ echo "int main(void) { while(1); }" > test.c ; gcc test.c $ time ./a.out & sleep 2 ; killall a.out real 0m2.008s user 0m4.014s sys 0m0.002s Seen on POWER5 and PA6T, haven't tried anything else yet. -Olof