From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5279B146A7A for ; Fri, 14 Jun 2024 09:02:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.255.230.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718355745; cv=none; b=IDZnsnWMdAEO7IDcEGhDJWLhn1GEUisTUE/kaSj2QwqVLjuFsfT3QdbnHXERFKhgbm32k+9oHK7kYYNPBWTS1cKgtAaAl4ypC/mucm68WeayAkrUdTJNLyB2OzTTqVqlCk9NdZ/CuxPKPP6ZI9u/bVrDHeKYQTlaT4kP123AiYY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718355745; c=relaxed/simple; bh=kLmziNlU4IUEgtUcJiUaFf1IZylaN9GSdXDb3FGyVUQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Do8C3mRJXuuOMhVyZ/Z9CXrjsOViQIMStZP+kG436iaauVCOkmUuzOXBhpQNxWceCqV/REC20POp+DHzNnRUue0q4c3Vn688HWg3Huy09Wvl4UHEOh0XtsoS1oSbmeruT1G7vdv+7HhOQPsJ+SLcVSDEfbbfVFxh58E1+jCdENk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz; spf=pass smtp.mailfrom=ucw.cz; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b=KPa+R5oK; arc=none smtp.client-ip=46.255.230.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ucw.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b="KPa+R5oK" Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 0EC2F1C00A6; Fri, 14 Jun 2024 11:02:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1718355739; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Gajs+YblsbGQm7Fi/g3ZN116bv4CeCZehq41ao50w6c=; b=KPa+R5oKiqXt0nb3JGCEWUks7t6CvwkjeG6hBTijaj2tQzqjTSWmuzzD8n8vGhMSHV9iLI rzKWnzkDu4xynF5CkQrLGNjmNGQNIlXV59zkL378ei5yr3ncoUkJeKCHfL3TpQe14MDxmq mXA71RrWoNl7iVRkllVeJq6QlifCy1Q= Date: Fri, 14 Jun 2024 11:02:18 +0200 From: Pavel Machek To: Linus Torvalds Cc: Linux Kernel Mailing List Subject: Re: Linux 6.10-rc1 Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="iUClFSfoZ6LpOrmC" Content-Disposition: inline In-Reply-To: --iUClFSfoZ6LpOrmC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu 2024-06-13 09:17:24, Linus Torvalds wrote: > On Thu, 13 Jun 2024 at 04:09, Pavel Machek wrote: > > > > I tried ~6.10-rc1 for a week or so, and it something was very wrong with > > the performance, likely to do with graphics. Thinkpad X220. > > > > It looked like GPU is working way harder than usual, leading to > > machine overheating and thermal throttling, making machine _really_ > > unusable. > > > > I went back to 6.9, and things seem better. At least "have to buy new > > machine" feeling is gone. > > > > Unfortunately, these GPU perfromance issues are not exactly to > > confirm/debug. Hints would be welcome. >=20 > Well, it sounds like it is a big enough performance issue that you can > definitely feel it fairly easily. >=20 > Which would make a bisection possible? I wanted to go and buy new computer last week. This week ... well, the machine is not fastest but I'm not looking forward to reinstall. If I can get at least basic metric on the gpu (%idle? which process use how much time?), it might be feasible. Is there tool similar for top? Best regards, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --iUClFSfoZ6LpOrmC Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCZmwHGgAKCRAw5/Bqldv6 8kUSAKC85Q6k4DyIkV87JqoZKa6H540SuQCfXQNnxa5OTKOh2nC8UbDDAQwgjcM= =W9G0 -----END PGP SIGNATURE----- --iUClFSfoZ6LpOrmC--