From nobody Sun Feb 8 11:06:09 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 BB6C61F4703 for ; Tue, 4 Mar 2025 05:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741065605; cv=none; b=A3W3lz9YISmtswxP87AEiHyDPFYFdgQlPsf2U14Nmbio4LttAelyXqkiVeOl/H8bPLSHj1W5BxyWFaT47PzYvTHKplfQDJhzeeTQU96XeM0yBVHHRG0XiRZgzwUvJB/MuMb9BdcNh6s8BI2ykS2geHyAnvWmcKGwHybHCz7lkNE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741065605; c=relaxed/simple; bh=mYJSSAXw5nF44zGFCWonQB1kAY5wPI7TG1wREGSaH9g=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=CIDsYtISAg01UlaemxaVzL/dqh87uUB++LQmo5SLG7ZZKPpwGryFCwNabd2LG0uZWDsT29qDfGzk/fK5+5tY55zp/Lii/kZAdT0jAbA3cK9aBkXLNrOpY+XoEIrgurujIDlbepFchbiDvC1XkDNYKMOBibpTHvuiQSFh2vyZLFs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dsqv8id0; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dsqv8id0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741065604; x=1772601604; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=mYJSSAXw5nF44zGFCWonQB1kAY5wPI7TG1wREGSaH9g=; b=dsqv8id0k6+n1AUN0nMj/bo6L51VJBgXDwCaLbHAEwURFw4YL5ehxAx+ 6IS9Mc64H/zlg/BnFaXJAcIQpI3sffpqRqVAF5+//lFZUhr7H3EKGaKLv N2e2Agq6G2lnj8O3BVbiCYk32Be+RVvwFa6CFqzwtPZRvsDk+f//wHoXb Y1Ju6nznswdRIr1aY7la2SdaJW+V1pn1nuqCtgzASTVn8/Xpb1JOEj9QM /wkMYPKUjb9/kdUGQtrcD3/XuHBGFwWygW82ebuyTrV7dnWRhWZWPbQ8b C8k1rDbd8aqQbr4VPZBG6qCj1bPmijMsuUCxfnkV5nV9XpTum4vPLvNH3 w==; X-CSE-ConnectionGUID: 4EDFA+OjSGaSWpWdWBwzEA== X-CSE-MsgGUID: iGBPCCtmTuCwpoIywmRBGQ== X-IronPort-AV: E=McAfee;i="6700,10204,11362"; a="41876077" X-IronPort-AV: E=Sophos;i="6.13,331,1732608000"; d="scan'208";a="41876077" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Mar 2025 21:20:03 -0800 X-CSE-ConnectionGUID: l7KH9WSOR8Kxo3Ufvv3x1Q== X-CSE-MsgGUID: vWkbHxZ0Q/mLbqKSjwepNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,331,1732608000"; d="scan'208";a="118424428" Received: from 9cc2c43eec6b.jf.intel.com ([10.54.77.44]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Mar 2025 21:20:02 -0800 From: Zide Chen To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, artem.bityutskiy@linux.intel.com, rui.zhang@intel.com, Zhenyu Wang , Kan Liang , Zide Chen Subject: [PATCH] perf/x86/intel/cstate: Add Clearwater Forest support Date: Mon, 3 Mar 2025 21:16:18 -0800 Message-Id: <20250304051618.79198-1-zide.chen@intel.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Zhenyu Wang Clearwater Forest is based on Darkmont Atom microarchitecture. From the C-states residency profiling's perspetive, it supports the same residency counters as Sierra Forrest: CC1/CC6, PC2/PC6 and MC6. Cc: Artem Bityutskiy Cc: Kan Liang Reviewed-by: Kan Liang Signed-off-by: Zhenyu Wang Signed-off-by: Zide Chen --- arch/x86/events/intel/cstate.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index ae4ec16156bb..028557210e23 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -627,6 +627,7 @@ static const struct x86_cpu_id intel_cstates_match[] __= initconst =3D { X86_MATCH_VFM(INTEL_ATOM_GRACEMONT, &adl_cstates), X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X, &srf_cstates), X86_MATCH_VFM(INTEL_ATOM_CRESTMONT, &grr_cstates), + X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X, &srf_cstates), =20 X86_MATCH_VFM(INTEL_ICELAKE_L, &icl_cstates), X86_MATCH_VFM(INTEL_ICELAKE, &icl_cstates), --=20 2.34.1