From nobody Tue Dec 2 01:06:33 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 EDC7B31B122 for ; Mon, 24 Nov 2025 18:54:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764010488; cv=none; b=oc50fo8411cQD1orBMmisYW+fLo/xOOq1in7wF3oK87xNzr2OSHABTvpulEYnpCdezXjMMAjXgb5bryDg8H7qcSrGC2RZdc1xPXYmUVBUppOu3P/gcFCk0yrNbkTCwC6vCMVOP4p9WQ/3kHw/tra6K/A58K6qVA4pBE7fHnqZmE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764010488; c=relaxed/simple; bh=T0pledc9NIwFCM7bjxrvqASAAUwPfvukY1vMLOaAJq4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cqfcbeDdVzwLUa624guyhIMDI5rKiMco2RiN80Z2dL/erbfcp7AG+trcg0XTXmCXjkKEeCrhIT1kj/Lt264e6KfS7CARMxcXnV5qkcjnRsShVgmVg+muNzvjiOdkuLyrxeBdRX2q9xuJ0txTAaUW+Yo4Q4KKMzrsIMJr4Xjd/W0= 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=bDjQgZEJ; arc=none smtp.client-ip=192.198.163.11 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="bDjQgZEJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764010487; x=1795546487; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=T0pledc9NIwFCM7bjxrvqASAAUwPfvukY1vMLOaAJq4=; b=bDjQgZEJLxkUnkcuEJyitB3koztJQVn3aBNK1JSobAkRFbrHEl+cHCK2 Aph8pshbzTf2J6HN3FIwPoTpwJlpOAUOyfaXYAA1d8/EdiWdLcrD3tLox IqCNRno2RQwegMjv373EA4ZR4jjOcyifWnPlqTo7Oxqt6BPqxY60PdrN2 m6LwjgRFG9WNV9eRiCCExfdg3YQzxD+RsnqGg5A+64I081k0Z0sETdD8b /zWUTOD6eBX7X7VNsUmpfKoUhBDZf/3WFyR19qJroWwUxc2yAojKDBsKw I356NuTm5Zz/GwUlMhCZknvsKOUvDOZCLiUCsNM6MvgmsdJTTCneCAAef w==; X-CSE-ConnectionGUID: ynHhq5diTE6oaijwGkGZzQ== X-CSE-MsgGUID: vWPgsAA7T7mjHVDF1XZSVA== X-IronPort-AV: E=McAfee;i="6800,10657,11623"; a="76636498" X-IronPort-AV: E=Sophos;i="6.20,223,1758610800"; d="scan'208";a="76636498" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 10:54:23 -0800 X-CSE-ConnectionGUID: QNjlbCW6TBita6Ye6YgUHQ== X-CSE-MsgGUID: RGJvCF8LRNuR7a1Qsf+T+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,223,1758610800"; d="scan'208";a="192224959" Received: from rfrazer-mobl3.amr.corp.intel.com (HELO agluck-desk3.home.arpa) ([10.124.222.153]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 10:54:23 -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 v14 06/32] fs/resctrl: Split L3 dependent parts out of __mon_event_count() Date: Mon, 24 Nov 2025 10:53:43 -0800 Message-ID: <20251124185412.24155-7-tony.luck@intel.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251124185412.24155-1-tony.luck@intel.com> References: <20251124185412.24155-1-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 2.51.1