From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC8B3CDB47E for ; Fri, 13 Oct 2023 13:07:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231846AbjJMNHb (ORCPT ); Fri, 13 Oct 2023 09:07:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231400AbjJMNHa (ORCPT ); Fri, 13 Oct 2023 09:07:30 -0400 Received: from mail.lichtvoll.de (luna.lichtvoll.de [194.150.191.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D84F191 for ; Fri, 13 Oct 2023 06:07:28 -0700 (PDT) Received: from 127.0.0.1 (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by mail.lichtvoll.de (Postfix) with ESMTPSA id 2A6EF7DD41A; Fri, 13 Oct 2023 15:07:26 +0200 (CEST) Authentication-Results: mail.lichtvoll.de; auth=pass smtp.auth=martin smtp.mailfrom=martin@lichtvoll.de From: Martin Steigerwald To: linux-btrfs@vger.kernel.org, Linux regressions mailing list , Qu Wenruo Cc: Tim Cuthbertson Subject: Re: Scrub of my nvme SSD has slowed by about 2/3 Date: Fri, 13 Oct 2023 15:07:25 +0200 Message-ID: <2727176.mvXUDI8C0e@lichtvoll.de> In-Reply-To: <4f5fee23-2ccb-41a2-a64c-1675bc378ff5@gmx.com> References: <2169630.irdbgypaU6@lichtvoll.de> <4f5fee23-2ccb-41a2-a64c-1675bc378ff5@gmx.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hello Qu, hello, Qu Wenruo - 09.09.23, 00:03:38 CEST: > > Scrubbing "/home" with 304.61GiB (interestingly both back then with > > 6.4 > > and now with 6.5.2): > > > > - 6.4: 966.84MiB/s > > - 6.5.2: 748.02MiB/s > > > > I expected an improvement. > > > > Same Lenovo ThinkPad T14 AMD Gen 1 with AMD Ryzen 7 PRO 4750U, 32 GiB > > RAM and 2TB Samsung 980 Pro NVME SSD as before. > > The fixes didn't arrive until v6.6. Thank you for making scrub fast again: /home with 1.88GiB/s ;) on 6.5.6. Best, -- Martin