Date: Thu, 19 Dec 2013 00:07:58 +0400 From: "Alexander V. Chernikov" <melifaro@FreeBSD.org> To: John-Mark Gurney <jmg@funkthat.com> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r259562 - head/usr.bin/netstat Message-ID: <52B2009E.1060905@FreeBSD.org> In-Reply-To: <20131218184512.GM99167@funkthat.com> References: <201312181825.rBIIPR25014515@svn.freebsd.org> <20131218184512.GM99167@funkthat.com>
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On 18.12.2013 22:45, John-Mark Gurney wrote: > Alexander V. Chernikov wrote this message on Wed, Dec 18, 2013 at 18:25 +0000: >> Author: melifaro >> Date: Wed Dec 18 18:25:27 2013 >> New Revision: 259562 >> URL: http://svnweb.freebsd.org/changeset/base/259562 >> >> Log: >> Switch netstat -rn to use standard API for retrieving list of routes >> instead of peeking inside in-kernel radix via kget. >> This permits us to change kernel structures without breaking userland. >> Additionally, this change provide more reliable and faster output. >> >> `Refs` and `Use` fields available in IPv4 by default (and via -W >> for other families) were removed. `Refs` is radix-specific thing >> which is not informative for users. `Use` field value is handy sometimes, >> but a) current API does not support it and b) I'm not sure we will >> support per-rte pcpu counters in near future. >> >> Old method of retrieving data is still supported (either by defining >> NewTree=0 or running netstat with -A). However, Refs/Use fields are >> hidden. >> >> Sponsored by: Yandex LLC >> MFC after: 4 weeks >> PR: kern/167204 > > How will this impact the use of netstat -rn -M vmcore -N kernel ? Will > this change make it not usable, or will you still automatically use Well. It will probably break in (maybe, near) future. > it when they are specified? However, it should work now (fixed in r259566). >
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