Date: Tue, 29 May 2012 02:18:25 +0400 From: Dmitry Marakasov <amdmi3@amdmi3.ru> To: Peter Jeremy <peter@rulingia.com> Cc: freebsd-current@freebsd.org Subject: Re: OptionalObsoleteFiles.inc completeness Message-ID: <20120528221825.GB38860@hades.panopticon> In-Reply-To: <20120528200403.GB15356@server.rulingia.com> References: <20120527140541.GL2987@hades.panopticon> <20120528094427.GE2675@aspire.rulingia.com> <20120528195542.GB85856@hades.panopticon> <20120528200403.GB15356@server.rulingia.com>
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* Peter Jeremy (peter@rulingia.com) wrote: > >> >2) Is this ok to backport the list from current to stable branches?= Pro > >> >- it's really simple, con - it will contain files never installed w= ith > >> >this (old) branch. > >>=20 > >> Another con: "make delete-old" on -current takes about 2 orders of > >> magnitude longer to run than on 8.x. I would prefer to see some > >> effort put into speeding it up before it was backported. > > > >Is that really a reason while it is still under 4 seconds and is not > >usually run more often than updates (which take minutes if not hours)? >=20 > My experience is that it now takes about 2=C2=BD minutes on 10.x with w= arm > caches, compared to less than 1 second on 8.x. Now =3D after applying my patch or after changing system? Which knobs were enabled? OptionalObsoleteFiles.inc is 3x larger after the patch - it's expected for things to become 3x slower, but definitely not 250x. > For most of that time, there's no output and there's no warning > of the increased time. I actually wrote about the poor performance > here a couple of weeks ago. Then you should try to profile it - my script basically runs delete-old delete-old-libs for every knob (131 of them), and it hadn't taken more than 4 seconds even once. --=20 Dmitry Marakasov . 55B5 0596 FF1E 8D84 5F56 9510 D35A 80DD F9D2 F77D amdmi3@amdmi3.ru ..: jabber: amdmi3@jabber.ru http://www.amdmi3.ru
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