Date: Wed, 9 Jun 2010 23:30:30 +0200 From: Max Laier <max@love2party.net> To: freebsd-hackers@freebsd.org Cc: Nick Rogers <ncrogers@gmail.com> Subject: Re: arp(8) performance w/ many aliases assigned to an interface Message-ID: <201006092330.30750.max@love2party.net> In-Reply-To: <201006092321.05453.max@love2party.net> References: <AANLkTikLZCREKNUdon_kRHtzvPkk-XbbXF9ghUuBjoGw@mail.gmail.com> <201006092321.05453.max@love2party.net>
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On Wednesday 09 June 2010 23:21:05 Max Laier wrote: > Hello Nick, > > On Wednesday 09 June 2010 20:17:43 Nick Rogers wrote: > > Is there something that can be done to speedup the call to > > if_indextoname(), or would it be worthwhile for me to submit a patch that > > adds the ability to skip the interface lookup as an arp(8) option? > > how about the attached: > > # time arp -an > /dev/null > 0.171u 0.462s 0:00.63 100.0% 21+1538k 0+0io 0pf+0w > # time arp.patched -an > /dev/null > 0.005u 0.000s 0:00.00 0.0% 0+0k 0+0io 0pf+0w > > # arp -an | wc -l > 1095 > > I'll commit this soon unless somebody objects. ... make that s/long/int64_t/ ... I keep forgetting that long is 32bit sometimes.
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