Date: Wed, 13 Jun 2007 11:50:33 -0700 From: "Kip Macy" <kip.macy@gmail.com> To: "Bruce Evans" <brde@optusnet.com.au>, "Bruce Evans" <bde@freebsd.org>, src-committers@freebsd.org, cvs-src@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/libkern mcount.c Message-ID: <b1fa29170706131150v115ff216q565b3351180ddc1@mail.gmail.com> In-Reply-To: <b1fa29170706131014t6a9a3d20t228efbfc17b97483@mail.gmail.com> References: <200706130617.l5D6HncF038605@repoman.freebsd.org> <b1fa29170706122337y558ca741k273e4babb78c936d@mail.gmail.com> <20070613184656.N25269@delplex.bde.org> <b1fa29170706131014t6a9a3d20t228efbfc17b97483@mail.gmail.com>
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On 6/13/07, Kip Macy <kip.macy@gmail.com> wrote: > - Original message - > No. It's unlikely that you even configure profiling. Bruce > > > ROTFL. In that case what does 'config -pp' do? And why did it print > something to the effect of "profiling configured" on the console? And > why did the hang go away when I re-built without '-pp'? > > Never mind. I'll just take the time to update the hwpmc support for my > hardware. "hwpmc" also doesn't cause a 50% slowdown when in use. To be more specific, low-resolution profiling works but causes netserver rx to drop from 9.7Gbps to 4Gbps. I'd like to know why you thought it was not configured. -Kip
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