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 00688C001B0 for ; Fri, 7 Jul 2023 13:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231580AbjGGNYX (ORCPT ); Fri, 7 Jul 2023 09:24:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229661AbjGGNYW (ORCPT ); Fri, 7 Jul 2023 09:24:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F62B1FEC for ; Fri, 7 Jul 2023 06:24:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2DABB619B0 for ; Fri, 7 Jul 2023 13:24:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 95AFCC433D9 for ; Fri, 7 Jul 2023 13:24:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688736260; bh=0qEa2IxktnneItM70nqG276CH3Z0TmZ8SMq34zzOy2U=; h=From:To:Subject:Date:In-Reply-To:References:From; b=MPntY2g/RtvtVFpHLpiwfuUBt/ucT+Lcv2m4+lOmvw4rvC/02/OJj+Ek+0/BFh0vt Vhzy+YeTuRpiegrvP4UB375v66jjIB4pdDFVtWCjvG0EEjtnJ0EtcK5uc3TsxbIBZG u+gYUe8HJ7OiMwWbYUZ67qQPcnlWvX0psO99w7kKlhx6w0nxYLbBQk6chOK0iLH8+M 0hYWtydmlhjyIH3YgyaVdhowtssceW0JRIAKukrHPG5m3Q2h6WliFqzOsuTHdHHebz TRJUqpVeQCkLydQweTodrGKntswZduDaMAOtmrI+D2uTblUIOraJMgzwu4vXyZi3L2 q9+4tZJtrMnvg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 8169EC53BD2; Fri, 7 Jul 2023 13:24:20 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 215729] amd-pstate driver has a much higher idle power consumption for a desktop Zen 3 CPU Date: Fri, 07 Jul 2023 13:24:20 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Power Management X-Bugzilla-Component: cpufreq X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: aros@gmx.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.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 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D215729 --- Comment #10 from Artem S. Tashkinov (aros@gmx.com) --- Kernel 6.3.12, default settings: acpi-cpufreq: ~19.4W amd-pstate: ~20.7W Much better but not perfect. I can live with that but I still expected the amd-pstate driver to be more effective considering its using native interfa= ces. Not using any boot flags except: amd_pstate=3Dactive /sys/devices/system/cpu/cpufreq/policy0 $ grep -r .=20 energy_performance_available_preferences:default performance balance_performance balance_power power=20 amd_pstate_highest_perf:166 scaling_min_freq:550000 scaling_available_governors:performance powersave scaling_governor:powersave cpuinfo_max_freq:4929000 amd_pstate_lowest_nonlinear_freq:1752000 amd_pstate_max_freq:4929000 related_cpus:0 scaling_cur_freq:550000 scaling_setspeed: affected_cpus:0 scaling_max_freq:4929000 cpuinfo_transition_latency:0 energy_performance_preference:performance scaling_driver:amd-pstate-epp cpuinfo_min_freq:550000 --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=