Date: Thu, 11 Jun 1998 19:42:42 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, tlambert@primenet.com Cc: current@FreeBSD.ORG, jdp@polstra.com, phk@FreeBSD.ORG, rb@gid.co.uk Subject: Re: Spurious SIGXCPU Message-ID: <199806110942.TAA32032@godzilla.zeta.org.au>
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>> Apparently your process appeared to run for a negative amount of time. >> p_runtime is unsigned (64 bits), so negative runtimes are interpreted >> as huge runtimes, even huger than RLIMIT_INFINITY. This bug used to >> be avoided by using signed variables even to hold values that should >> be non-negative. > >Shouldn't accounting be done using monotime? It already uses microuptime(). The monotime variable went away 2 months ago. >Ie: shouldn't accounting only be subject to positive drift? It should, but there may be bugs. I fixed 2 bugs, but they only caused positive drift :-). The main one was that the time to exit was often counted twice. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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