From nobody Sun Feb 8 11:25:57 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 4D22833F8AD for ; Wed, 29 Oct 2025 16:21:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761754891; cv=none; b=DpjxD9wKsHWXYJj7y/VV2/0ETEechRdg1N4OaPlVAWEC5XNnj8dS6LCxdbdzw11HGqWTGJ/RJfRJEAP+3mrhg9uuxOW6b7FGaLac1oXciife/X/Pu2Xnlph+/5ErUAr5Gr3gBivaxwhUh+t/PC1Y3H+W1rgarfm/3tshHrDILXo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761754891; c=relaxed/simple; bh=S9HaWzcxXMFw0jHafQiONR5gJD/44wXod7b+Cn3Qfb0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IgoTrZKIR4eMeHrNy2R1LA0vG83P+VgC6hQvpOJCufGS05gzB87wAdfmOH9UIrV/vaM6Fk1Ez/kr1unRpKZ9f7tJ3xTCPU0kDV9R00hDS8dXbp+4mVlSaiVpKvxaWBSk1GlUjJQBLcBH1mGjbKYidUwTEAJB/DrLlIJKYoywodo= 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=GhX/j+oL; arc=none smtp.client-ip=198.175.65.12 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="GhX/j+oL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761754889; x=1793290889; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=S9HaWzcxXMFw0jHafQiONR5gJD/44wXod7b+Cn3Qfb0=; b=GhX/j+oLDPfijvgz5FK90Y3cSFmJyR1UVMa/NKcr72Xz7PWAmP+kxOlS 15hmdQphvUGy0L+zoWQ1Vl4DHmvzzSREy6fTqZXjVgw7QJerozt4VVIOP +1FkM+gZTijHTmuB3UcJiW+pqV6KP6/aujLYL9q5EFPLRGGykJIKckjlf hTbyBaYY1+hpYQFqws6RYr4Mue6ZIETzMOJyx38W28T3iF9XfNhVFy6pb C9bpxCLDhdU4/yKzJaHb1fCh/4LPEljGG5OUOQS/XISvJ/wnqWdmxXCrC exwrVOEyM8ZuR0V3ZVaDttOIttchOK/u2KpVygamqdbl6XXNVl9ZaHPQ+ Q==; X-CSE-ConnectionGUID: klscOWrpR8eBk/UacAXc8g== X-CSE-MsgGUID: AOtszki2TFOnANiwRQiVJQ== X-IronPort-AV: E=McAfee;i="6800,10657,11597"; a="75331000" X-IronPort-AV: E=Sophos;i="6.19,264,1754982000"; d="scan'208";a="75331000" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2025 09:21:26 -0700 X-CSE-ConnectionGUID: 6J4fzmZLQzK0wzSOahtzRA== X-CSE-MsgGUID: bEORkgDFSamnQ59yZ1nUkA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,264,1754982000"; d="scan'208";a="184901314" Received: from mgerlach-mobl1.amr.corp.intel.com (HELO agluck-desk3.home.arpa) ([10.124.223.146]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2025 09:21:26 -0700 From: Tony Luck To: Fenghua Yu , Reinette Chatre , Maciej Wieczor-Retman , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Chen Yu Cc: x86@kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev, Tony Luck Subject: [PATCH v13 06/32] fs/resctrl: Split L3 dependent parts out of __mon_event_count() Date: Wed, 29 Oct 2025 09:20:49 -0700 Message-ID: <20251029162118.40604-7-tony.luck@intel.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251029162118.40604-1-tony.luck@intel.com> References: <20251029162118.40604-1-tony.luck@intel.com> 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" Carve out the L3 resource specific event reading code into a separate helper to support reading event data from a new monitoring resource. Suggested-by: Reinette Chatre Signed-off-by: Tony Luck --- fs/resctrl/monitor.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/fs/resctrl/monitor.c b/fs/resctrl/monitor.c index 572a9925bd6c..179962a81362 100644 --- a/fs/resctrl/monitor.c +++ b/fs/resctrl/monitor.c @@ -413,7 +413,7 @@ static void mbm_cntr_free(struct rdt_mon_domain *d, int= cntr_id) memset(&d->cntr_cfg[cntr_id], 0, sizeof(*d->cntr_cfg)); } =20 -static int __mon_event_count(struct rdtgroup *rdtgrp, struct rmid_read *rr) +static int __l3_mon_event_count(struct rdtgroup *rdtgrp, struct rmid_read = *rr) { int cpu =3D smp_processor_id(); u32 closid =3D rdtgrp->closid; @@ -494,6 +494,18 @@ static int __mon_event_count(struct rdtgroup *rdtgrp, = struct rmid_read *rr) return ret; } =20 +static int __mon_event_count(struct rdtgroup *rdtgrp, struct rmid_read *rr) +{ + switch (rr->r->rid) { + case RDT_RESOURCE_L3: + return __l3_mon_event_count(rdtgrp, rr); + + default: + rr->err =3D -EINVAL; + return -EINVAL; + } +} + /* * mbm_bw_count() - Update bw count from values previously read by * __mon_event_count(). --=20 2.51.0