From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: i915_init takes a full second of kernel init time Date: Tue, 13 Dec 2011 12:02:52 -0800 Message-ID: <20111213120252.07f4c1a3@jbarnes-desktop> References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1709474854==" Return-path: Received: from oproxy3-pub.bluehost.com (oproxy3-pub.bluehost.com [69.89.21.8]) by gabe.freedesktop.org (Postfix) with SMTP id 3812BA08AA for ; Tue, 13 Dec 2011 12:02:55 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Scott James Remnant Cc: intel-gfx@lists.freedesktop.org, =?ISO-8859-1?B?U3TpcGhhbmU=?= Marchesin , Daniel Stone List-Id: intel-gfx@lists.freedesktop.org --===============1709474854== Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/c0ESvyUEN=P6=0wwnnVfEeT"; protocol="application/pgp-signature" --Sig_/c0ESvyUEN=P6=0wwnnVfEeT Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 13 Dec 2011 11:55:06 -0800 Scott James Remnant wrote: > I've been investigating Chrome OS boot time and noticed the anomaly > where i915_init takes up a considerable amount of kernel startup time, > one second in fact. I've attached a full dmesg with drm.debug=3D0xff for > analysis at Daniel's suggestion. I'm not surprised... we haven't optimized init time in awhile and lots of delays have crept in. What kind of panel does this laptop have? Can you enable drm debugging (drm.debug=3D1 on the boot line) and see where the big delays are in modesetting? Thanks, --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/c0ESvyUEN=P6=0wwnnVfEeT Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBAgAGBQJO569sAAoJEIEoDkX4Qk9hVOkP/2muyLiydvfHyUEt4PqBetUa 5Hmkh4drWSa/GaorGvokoe8wlnjlff5H+ZSDaf8mS49PKQGXEZVOdOfTkKo/0Wp1 eCNiotL/lfDXrcvB6IAR7IpjEOP3sa96TQXERwsO6yUpWMJD5qXiO2toeISjohIG 6R29R3zTzq0JXaXs1kMfo0FEEdBtva6T7ijZHpaEEd9FjrTSLRPILT1K0ouunYAe UKxBglACFNnmBt15coewLpOB+a1WOf0XhTpNc8F0mbG5IQ0jW5xLZoJ0aFsGPzDt mXptVYzRtn+yOCTzctwF7Iz3d9g2Xg11lG1uC8mnZwDg3fU6mSaiB04w3JPXvZbd vufPZ4sZkTvtD+VJ2MKSf/Jeg/Upo4WGQfPfp5/PZlYdRhw355NObpWPByc2gMqs PtQaLXpl0nmIz5dXvVICjKBk/jAgHPOfCk7jxSnw3WKlnagPtbxt2CcKfMX0v1Fm YDEpoyMGm9OK7BWIg4LrNvNesrTTyl006gjGG2kRpqGlSTzZra+POLJNdAsMIAYM adImnqACewuJeUG76PUjMho74p1Qgx9kdB6xpphsJ2sEjlI5dqI3AbwVis3lftlM oZ/3kPA+heX4xBOt7sFSAIz0A1CUZ1FlBNCy/6mowWGzuZOptlpPzF+o++dNu1PR MXo2ErOSmwGWDNnxnH7R =jhzG -----END PGP SIGNATURE----- --Sig_/c0ESvyUEN=P6=0wwnnVfEeT-- --===============1709474854== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============1709474854==--