Date: Sun, 26 Sep 2004 22:12:18 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Ryan Freeman <ryan@slipgate.org> Cc: FreeBSD Mailing List <freebsd-current@freebsd.org> Subject: Re: Sound performance problems in FreeBSD Message-ID: <200409262212.26882.doconnor@gsoft.com.au> In-Reply-To: <20040926114623.GA7990@slipgate.org> References: <20040926025317.GA5812@slipgate.org> <200409261342.34874.doconnor@gsoft.com.au> <20040926114623.GA7990@slipgate.org>
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--nextPart15888128.N0Mt3PlvMr Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sun, 26 Sep 2004 21:16, Ryan Freeman wrote: > > I suspect that sysctl involves doing lots of locking and will do weird > > things.. > > Does it happen if you run a CPU using userland proc inseadt? > > The problem is, it isn't just that sysctl command that does it. I find th= at > even running gkrellm makes the ticking worse. if i close gkrellm, it I'd say gkrellm probably pokes at various sysctl's to gather stats so it ma= y=20 be a related problem. > reduces the ticks/sound stretches. that sysctl was just an easy way to ma= ke > the problem _really_ stand out it seems. iirc when i was using 5.2.1 i > found that just disabling the proc chart in gkrellm seemed to help a lot. > haven't bothered to try it now. Does a purely CPU bound process cause the problem? ie try something like.. dd if=3D/dev/zero | md5 =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart15888128.N0Mt3PlvMr Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBBVrky5ZPcIHs/zowRAn73AKCIksWaLIF1JjUTwolaVRJoabf2CgCgjJVE nLmiCUGP8ojUKgh29XHm9AM= =XaXP -----END PGP SIGNATURE----- --nextPart15888128.N0Mt3PlvMr--
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