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 D02A5269806; Wed, 8 Oct 2025 19:23:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759951392; cv=none; b=QvTnx5rq9nCbqmhDX/Jqi/zFBlnBGTYURw9/r9JV8w9rw63+9UlhIT8YZQUhjEKV2HaTXCQYYEAbicLc673/xm18Iw7RhoKOsoy0RcQz2PIEbiLyoHfk4vFpv13qoX2Ppygj9qf2HgnHNaMYqY9uGkMdRHH4z8giS6QcuCMKVBg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759951392; c=relaxed/simple; bh=JaCeS9yb/4x3DkWJYtD+5QobWraJFT35nNBrCckyLpY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=KWmkfqeNEvUOCXE5mIEYHi0ZYdEsIjvlLKyR5N8nC7h3UNaajwVAGKH5z51e9E3svfHfYjVEdw4nf8/HAjz3m/H3B5n7qfXsNaWuyoVR1ZlbKvVKsKsPr06O924QD33d+n9ibiwkHsAnTGR4BCcZ9V6TbfPbaM0GlcDdIg4pb0w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bcr7yamg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bcr7yamg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 484EAC4CEF4; Wed, 8 Oct 2025 19:23:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759951392; bh=JaCeS9yb/4x3DkWJYtD+5QobWraJFT35nNBrCckyLpY=; h=From:To:Cc:Subject:Date:From; b=bcr7yamgtgt15W6V5X1W6Ldcf6lvoYveQC97DEvBD4C7UtdXyqU7eokMMu5EkYvQS 4OvKOVGSx9W2iNis2Nkv+BSHxqRwbIeC5whhm2pQa9v6oZ4O9LyeRAFFUSd+nuKFMW MunCtTReXqdAExc/P0cTppr9ksySUoZEqZaPCf8rZSB7XMDEGjAoJKuOLXXE4iK/5N v93I2ZKxVWfQql4HkUcJKXQrr1QWPvbPSRY68uvJhUWaX0xhUq+hSj4Kc2HTYK5KLP 26RiUoArskqt8UAFHwpv42AzF0Tmh+A3e4DcKMaumt8S2VMpTl65No0z1/diM+3Wa+ TEeKxyGEm0u0A== From: "Rafael J. Wysocki" To: Linux PM Cc: LKML , Lukasz Luba , Srinivas Pandruvada , Dietmar Eggemann , Christian Loehle Subject: [PATCH v1 0/3] cpufreq: intel_pstate: Simplify the energy model for hybrid systems Date: Wed, 08 Oct 2025 20:54:30 +0200 Message-ID: <5937608.DvuYhMxLoT@rafael.j.wysocki> Organization: Linux Kernel Development Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="UTF-8" Hi Everyone, I've realized recently that the (artificial) energy model used by intel_pstate on hybrid platforms without SMT is much more complicated than really necessary, so I've decided to simplify it. The new energy model uses less memory and it introduces less overhead into the scheduler (mostly due to the reduction of the states table size). This change in made in patch [3/3] (please see the changelog for the rationale). The first two patches in the series are preliminary. Thanks!