From nobody Fri Dec 19 19:00:35 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 54651307AC0 for ; Thu, 4 Dec 2025 20:54:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764881661; cv=none; b=iZeRqiDv7IxgPLdgbamKae2kGqnKho4f+kFKQ8ZQ0YrmGmr/2e1G0GbtwfkJ5iLlYNsVEUYQspfBFEjJ7L9uJ5/J3gWKMfLkESD92zKPTIZJvxpKavniOHVmFzpc5+9cjXkJax45IdVQo/jcSkGas+A+rJ5/ZXpZvq26kcxbIUQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764881661; c=relaxed/simple; bh=ZWm7hPc2pA5FN4dZKCDkSqVyPN+dNMQhermj0QSQ+fo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uO0WqjPde/dGiKNjQnm/Ne49WCXymgq8uOAGH2qSvFO9azuFEkf0s0uZnJBsffgdIpOzNlG1pxS4AjFbEAQUvIq5F2oqPcQIKqkc0MlnOJzOQ5R+PIhYtebMRDWLUdVpX5sXNgQJiMXvA3yN31TwCUCIzj28GC09w7DcKymeaLo= 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=SRdEQtBD; arc=none smtp.client-ip=192.198.163.13 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="SRdEQtBD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764881658; x=1796417658; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZWm7hPc2pA5FN4dZKCDkSqVyPN+dNMQhermj0QSQ+fo=; b=SRdEQtBDwdzQwHiZk3BHENOKB203pk7WXOlfv2vKj2DLeCBlHAWC5/Wx 8/L9GPMamKmTzYk+2iiJ19aKHGa6MLy6XGXc9JFKhxDab27t5JVAf5ZNx /rXypVADOOgsFP7cnB4qTPmgtomKXLt6QVxbJnl/30RX2/QlP8IwKFLL+ 9hHNA0QE8RAnXrdrcOApC8PQ2zh/PI77/FjYcVylgYrJ45Y1HhzMcmwJS cyJIUsElhIGG/pya/2xYcMmXarFmMZchODxL2BL5uPGpPAGUzVOlv0ypr iuuZVo//HKh6jVJS83Qmnt/g7wrAjUTiT1oyKncnJW8rZaEvpeFKA709i Q==; X-CSE-ConnectionGUID: RrmyOyC8TU+GeONeoEhWYQ== X-CSE-MsgGUID: m/nk7Sj2T8eH2S6ZgISW9A== X-IronPort-AV: E=McAfee;i="6800,10657,11632"; a="69510886" X-IronPort-AV: E=Sophos;i="6.20,250,1758610800"; d="scan'208";a="69510886" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2025 12:54:16 -0800 X-CSE-ConnectionGUID: pyinPHR5SquCoeITzYp56w== X-CSE-MsgGUID: SYTCYtiMTyaDagPWLQMX8g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,250,1758610800"; d="scan'208";a="225752743" Received: from mgerlach-mobl1.amr.corp.intel.com (HELO agluck-desk3.intel.com) ([10.124.220.165]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2025 12:54:16 -0800 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 v15 06/32] fs/resctrl: Split L3 dependent parts out of __mon_event_count() Date: Thu, 4 Dec 2025 12:53:36 -0800 Message-ID: <20251204205404.12763-7-tony.luck@intel.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251204205404.12763-1-tony.luck@intel.com> References: <20251204205404.12763-1-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 Reviewed-by: Reinette Chatre --- fs/resctrl/monitor.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/fs/resctrl/monitor.c b/fs/resctrl/monitor.c index 572a9925bd6c..b5e0db38c8bf 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 +494,17 @@ 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 2.51.1