Date: Sun, 22 Apr 2001 10:45:46 +0930 From: Greg Lehey <grog@lemis.com> To: "Thomas M. Sommers" <tms2@mail.ptd.net> Cc: advocacy@FreeBSD.ORG Subject: Re: top uptime! Message-ID: <20010422104546.A51968@wantadilla.lemis.com> In-Reply-To: <3AE0FADE.5801FF96@mail.ptd.net>; from tms2@mail.ptd.net on Fri, Apr 20, 2001 at 11:13:34PM -0400 References: <20010421093009.M72002@wantadilla.lemis.com> <Pine.LNX.4.21.0104201716040.17317-100000@pilchuck.reedmedia.net> <20010420212338.Z41536@bsd.havk.org> <3AE0FADE.5801FF96@mail.ptd.net>
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On Friday, 20 April 2001 at 23:13:34 -0400, Thomas M. Sommers wrote: > Steve Price wrote: >> >> . However the uptime counter >> (cat /proc/uptime) is counted in seconds in a 32bit variable. So it >> isn't possible for a Linux box to show more than 497 days of uptime >> because the uptime rolls over then. FWIW. > > But 497 days is only about 4.3e7 seconds, whereas 32 bits can count > about 2e9 seconds (signed). That makes 24855 days. Unsigned, it would be 49710 days. Obviously the counter isn't in seconds (it's in "jiffies"). Guess how long a jiffy is. I've been told that this problem has been fixed in the 2.4 kernel. Obviously it's too early to see the results of this fix. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-advocacy" in the body of the message
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