From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 E097828DD0 for ; Fri, 3 May 2024 20:33:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714768420; cv=none; b=O4uaSjWYqJJsk6S1BjyTjIHZs395JYRH2K9WRk/4Zn+oEH7AjQ8DfAUJ7m5Cga4edum9ICHPV9pw9wHmYH3DN05QeGdHKtK+HfUHIz9OooVHO9vHLMX/ocje4mAR0rqsV7f5Eo40q97lASzWzWfHVs3r8Ls9GCLfGjXDP5PjWL8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714768420; c=relaxed/simple; bh=L/DVqE53VmBOp8H/5zpv2eGbQKaWYwGvHxBLFSq2aW8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U2WmLP9k23GgSXDv3D/VK6D5Qv+IzV8sKJFoAsYHlz5aI5KjQpYZbNWOOpZSHaCXdFcrCKOg7/TIyw0oyHg5BgAVLqwh/5skZUP9KmYnft2ECVAGD8NG75ocJbPEimgkfz/CnVed7Lzwyyc2kAwsuWqy487y2phLcfCBmDev/bM= 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=HalZOfZu; arc=none smtp.client-ip=192.198.163.9 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="HalZOfZu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714768419; x=1746304419; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=L/DVqE53VmBOp8H/5zpv2eGbQKaWYwGvHxBLFSq2aW8=; b=HalZOfZu1CUSvGy5J8OaBF7Nl31dJuoX+KAugsR2HihVgLCKnTPExKty FEGCFK+umoVsB8EP3Tune1C0DO2efnn1MBEulsPaGuxyxBf6K8ET5DTG8 BealQJnTFR7Ggmzdlv89fNIg4jNGbl5Iq0TUyPlPfYx1D8gDMsE6P2PT/ 9xfJYPyD9z8FUP3JjQ6JZ7FDrYwvsfidTL1rHDlOSKfzWQ553IvdktRTl 2d6TNN1PqYt68/nVwRD2Fk6Z0XnTxzvh/w6fnxju/lHHQ+qvULwr5Npu+ gSCUOtGaPKXZRF7VpgdhzHiVp/xgYx5bdRX0yqUybV+ixhCpU3Az2kNQ8 w==; X-CSE-ConnectionGUID: 8tBziEGIRO+sgbmfrFQXHg== X-CSE-MsgGUID: Vw7lRHFBSOG4BFWj3pnwhw== X-IronPort-AV: E=McAfee;i="6600,9927,11063"; a="21274294" X-IronPort-AV: E=Sophos;i="6.07,251,1708416000"; d="scan'208";a="21274294" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 May 2024 13:33:36 -0700 X-CSE-ConnectionGUID: N+9Grv6GRs2kiKsZnPdf4w== X-CSE-MsgGUID: S7crYviRSyi/dufDhhxsnA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,251,1708416000"; d="scan'208";a="27431818" Received: from agluck-desk3.sc.intel.com ([172.25.222.105]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 May 2024 13:33:35 -0700 From: Tony Luck To: Fenghua Yu , Reinette Chatre , Maciej Wieczor-Retman , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin Cc: x86@kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev, Tony Luck Subject: [PATCH v17 5/9] x86/resctrl: Add node-scope to the options for feature scope Date: Fri, 3 May 2024 13:33:21 -0700 Message-ID: <20240503203325.21512-6-tony.luck@intel.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240503203325.21512-1-tony.luck@intel.com> References: <20240503203325.21512-1-tony.luck@intel.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Currently supported resctrl features are all domain scoped the same as the scope of the L2 or L3 caches. Add RESCTRL_NODE as a new option for features that are scoped at the same granularity as NUMA nodes. This is needed for Intel's Sub-NUMA Cluster (SNC) feature where monitoring features are node scoped. Signed-off-by: Tony Luck --- include/linux/resctrl.h | 1 + arch/x86/kernel/cpu/resctrl/core.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h index aa2c22a8e37b..5c7775343c3e 100644 --- a/include/linux/resctrl.h +++ b/include/linux/resctrl.h @@ -176,6 +176,7 @@ struct resctrl_schema; enum resctrl_scope { RESCTRL_L2_CACHE = 2, RESCTRL_L3_CACHE = 3, + RESCTRL_NODE, }; /** diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index cd58c9d4710f..c34ce367c456 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -510,6 +510,8 @@ static int get_domain_id_from_scope(int cpu, enum resctrl_scope scope) case RESCTRL_L2_CACHE: case RESCTRL_L3_CACHE: return get_cpu_cacheinfo_id(cpu, scope); + case RESCTRL_NODE: + return cpu_to_node(cpu); default: break; } -- 2.44.0