Date: Wed, 26 Dec 2001 16:47:24 +0100 (CET) From: Michal Mertl <mime@traveller.cz> To: "James E. Housley" <jeh@FreeBSD.ORG> Cc: arch@FreeBSD.ORG Subject: Re: 64 bit counters Message-ID: <Pine.BSF.4.41.0112261644370.20665-100000@prg.traveller.cz> In-Reply-To: <3C29D449.7EC7EFCF@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 26 Dec 2001, James E. Housley wrote: > Michal Mertl wrote: > > > > I would expect this topic already popped on the list but search didn't > > revealed anything. > > > > As a hostmaster of several FreeBSD servers I noticed the problem of some > > counters overflowing (e.g. byte counters for IP/TCP/UDP overflow in > > several days on my systems). I looked at the source code and it seems > > On a system that I have access to with GigE cards, running constantly > over 200Mb/s, the netstat -i counters will overflow on the order of once > every minute or two. As an aside questions. When we update the network > interface to use the larger 64bit counters, will external programs like > SNMP be able to function with the larger sizes or will these have > problems. I am not sugesting we don't do this, I just want to know. > SNMPv3 has 64bit counter support. Programs accessing the counters should include the file which declares the struct and so they will know that members are u_int64_t. If you use it like int compiler should complain. > Jim > -- Michal Mertl mime@traveller.cz To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.41.0112261644370.20665-100000>