From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 AEF5E15A5 for ; Sat, 6 Jan 2024 03:18:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="I9zaggcy" Received: by smtp.kernel.org (Postfix) with ESMTPS id 28745C433CB for ; Sat, 6 Jan 2024 03:18:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704511082; bh=dlisLK3gmzHc8LrqV63Y2qOnsMJ+rOFJ+7KNhtgF8fY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=I9zaggcyr9EkjG5cPds6yKrQyIWi3LVzaTk4BOIfZZ/hsTkDMZIGH3i2vcJDj+91v BPxtAZzvaXNlduQtJ99rW43EmPE9P7ccxOrMBYKLaHYVlzWtS+eLj1nI+ST6dG63h+ gOT8Ii87dVEfufWPMi3fIFOFq3JxnbJQLVXS3pM+InQgmw6lo3hwmYPKH2gNMayo7X 6zF1h9cBwiq3jx/g1uwrBmg9R41lZblgTRq/xii2L2ookRgbqxWr3yfr/d20mf4Vnt S4AoUy2hnuBcnDoHCOzBKg1N+058qxpLTqfEzIYJRUHlyH7vn1YV+QPc/6rDN/iKED QZ8cUbvcOUFfw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 12DE0C53BD4; Sat, 6 Jan 2024 03:18:02 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-ext4@vger.kernel.org Subject: [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd Date: Sat, 06 Jan 2024 03:18:01 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Product: File System X-Bugzilla-Component: ext4 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: matthew4196@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D217965 --- Comment #64 from Matthew Stapleton (matthew4196@gmail.com) --- After patching ext4_mb_choose_next_group set of functions with noinline_for_stack, perf is now including those in the report: perf report --stdio -i perf.data . That usage in ext4_mb_regular_allocator is only abo= ut 1.39% (compared to 17.59 for ext4_get_group_desc and ext4_get_group_info) w= ith ext4_mb_choose_next_group_goal_fast using 0.74% and ext4_mb_choose_next_group_best_avail using 0.58% which indicates ext4_mb_choose_next_group_best_avail isn't stalling for me like it was befo= re. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=