Date: Sun, 25 May 2003 21:17:18 +0200 (CEST) From: Michal Mertl <mime@traveller.cz> To: freebsd-stable@freebsd.org Subject: Re: 4GB limit with netstat Message-ID: <20030525211150.S67784@prg.traveller.cz>
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> I've forgotten the orginaly discussion last year - just how expensive > is it again to do a locked 64bit update on x86? If it is less than say > 8x the time to do a 32bit increment, then we should probably just bite > the bullet and do it for the few counters where it makes sense (input > and output bytes and packets). The price for locked 64bit update was really high. I can't find my measurements from that time, but it was more on the scale of 100 times more expensive. -- Michal Mertl mime@traveller.cz
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