Date: Wed, 25 Oct 2023 11:06:48 +0000 From: Alastair Hogge <agh@riseup.net> To: Rick Macklem <rick.macklem@gmail.com> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org>, Garrett Wollman <wollman@bimajority.org> Subject: Re: RFC: NFS over TLS stats Message-ID: <cd0635702cd613c6385fca96b7dfbcce@riseup.net> In-Reply-To: <CAM5tNy4=ioUd3gRqwEr5-ss7jek1N7DWc-b4_c4xWWEe-5uQyg@mail.gmail.com> References: <CAM5tNy4=ioUd3gRqwEr5-ss7jek1N7DWc-b4_c4xWWEe-5uQyg@mail.gmail.com>
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On 2023-10-25 10:50, Rick Macklem wrote: > Garrett Wollman asked me via email how a server > admin could tell what usage NFS over TLS was > happening. > > I admitted that there was nothing. I have come up > with a patch that generates the following: > kern.rpctls.snd_tls_msgbytes: 21508 > kern.rpctls.snd_msgbytes: 20828 > kern.rpctls.snd_tls_msgcnt: 57 > kern.rpctls.snd_msgcnt: 58 > kern.rpctls.rcv_tls_msgbytes: 12336 > kern.rpctls.rcv_msgbytes: 12072 > kern.rpctls.rcv_tls_msgcnt: 57 > kern.rpctls.rcv_msgcnt: 58 > > Basically counts of number of RPC messages > and total number of bytes those messages > result in. (Both with/without TLS.) This is very cool. > Does this seem reasonable or are there better > statistics that could be generated? Obviously > any other suggestion might or might not be > practical to implement. Is there a preference of snd, and rcv, over rx, and tx? snd is also used by sound(4), tho not for statistics.
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