Date: Sun, 11 May 2014 11:54:46 -0600 From: Warner Losh <imp@bsdimp.com> To: Ian Lepore <ian@FreeBSD.org> Cc: Konstantin Belousov <kostikbel@gmail.com>, svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, David Chisnall <David.Chisnall@cl.cam.ac.uk> Subject: Re: svn commit: r265861 - in head/sys: arm/include modules Message-ID: <AC9EA9D6-52C0-4E00-8F66-22F1E1AAB7BF@gmail.com> In-Reply-To: <1399813516.22079.429.camel@revolution.hippie.lan> References: <201405110043.s4B0h6B9040965@svn.freebsd.org> <20140511071002.GV74331@kib.kiev.ua> <1399812826.22079.427.camel@revolution.hippie.lan> <99074AB3-B833-4C8C-8925-C826259BF46A@cl.cam.ac.uk> <1399813516.22079.429.camel@revolution.hippie.lan>
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On May 11, 2014, at 7:05 AM, Ian Lepore <ian@FreeBSD.org> wrote: > On Sun, 2014-05-11 at 13:58 +0100, David Chisnall wrote: >> On 11 May 2014, at 13:53, Ian Lepore <ian@FreeBSD.org> wrote: >>=20 >>> Ooops, indeed, thanks. Although... it's a good change in terms of >>> speeding up the build, I just didn't intend to commit it until it = got >>> tested with -j levels higher than I can test with my little 6-core >>> machine. >>=20 >> I'd be happy to test it on a 32-core machine. Are there any specific = configs you need, or is buildkernel enough? >>=20 >> David >>=20 >>=20 >=20 > Well eventually it'll need a universe build test, but any = kernel/modules > build at -j32 would be a good start. With the lib races, I=92ve found that you need to do a variety of = different =91j=92 values. My 12 core box is enough to provoke the races = sometimes, but it is more likely with different j values. I routinely = use 12, 16, 20, 24, 32 and 100 when proofing my changes. Warner
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