From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emmanuel Florac Subject: Re: bcache and load average Date: Mon, 18 May 2015 13:35:40 +0200 Message-ID: <20150518133540.3676636b@harpe.intellique.com> References: <20150515185032.6b129595@harpe.intellique.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtpfb2-g21.free.fr ([212.27.42.10]:59029 "EHLO smtpfb2-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751743AbbERLfo convert rfc822-to-8bit (ORCPT ); Mon, 18 May 2015 07:35:44 -0400 Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by smtpfb2-g21.free.fr (Postfix) with ESMTP id AA883CA9C36 for ; Mon, 18 May 2015 13:35:41 +0200 (CEST) In-Reply-To: Sender: linux-bcache-owner@vger.kernel.org List-Id: linux-bcache@vger.kernel.org To: Eric Wheeler Cc: linux-bcache@vger.kernel.org Le Fri, 15 May 2015 10:55:32 -0700 (PDT) Eric Wheeler =C3=A9crivait: > Try the attached patches that I've been collecting over the past year > or two. I do not believe they have been merged into mainline (BUT > SOMEONE NEEDS TO). >=20 > I am not sure that these address the load bug, but if the load is > being increased by a large amount of dmesg output caused by rcu > traces, then the patches will help. >=20 No, there aren't any traces in dmesg. It's only some quirk of the normal bcache behaviour... I suppose from some point of view it even doesn't qualify as a bug, except in documentation. --=20 -----------------------------------------------------------------------= - Emmanuel Florac | Direction technique | Intellique | | +33 1 78 94 84 02 -----------------------------------------------------------------------= -