From nobody Fri Dec 19 03:45:01 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 7E26E3358D5 for ; Wed, 17 Dec 2025 17:21:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765992109; cv=none; b=SwuhW5tgO1a917REYaWHgq/UZtF9+zNqV9RzuvhNLhYlJb2ve7tTiAZDixu8d+aGHBqxboOOTNB+uLJ2B8r02f4QWVLoO5yEsOJCBbEzMEoLHpp6sI2KMqOPoeTKKiINj0+C86qamjT66X0MkKgp/h6T1qlnbjDPryFWU30U+GI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765992109; c=relaxed/simple; bh=L24aWggpIW1gmB0opROTv+D3aidHY2GKEO2b07UQ5DE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Hrl/OnukXaWtpuTYzNoRZDvAiOi8gmOXzQZx0XLfugkllUlxHTUb8Da3yzcb+5hUupNh2O4jvKjSjOW72Y/NNcag8R+jMhGDY6tI5rd+OCqAoTTwHCVULanWgJKVQIlNPbeZKZVhjEVIclCkwZ4gILCYId7XZpfTJ+5X+nTUwqs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=fail smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=RHwuPW5a; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=fail 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="RHwuPW5a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765992107; x=1797528107; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=L24aWggpIW1gmB0opROTv+D3aidHY2GKEO2b07UQ5DE=; b=RHwuPW5aMYKKsZhSejrBFvRwGlEXkqNyQhPWfzATJoMXlxQoH9ehRV94 MfMZcUYmNGM+YngQCekuMjvMptMKlbCoZ1gAVwfEeQVMQPm5iSGaWRAu2 6meY4DBjla07jcmY2f+FNh4UHxmjoJ4IDRL4nIsctAoDVqZ8lnZJ/sJes VGhMU9l6zPmwglewF1Rm0Np17WhYkXRT4FXytW2651deZJ0unSyjVqc6d mZL4niL7GBByys6KBH0gaUI2sEO8Qv/p6P/tsIVbjv7iS5+kEY0SStiC1 lrKYBNVF1pcSNZFLRHvO/2z4S0U0fqcsjKjv4AFPdl5PyhqcHxvXuY3Qd w==; X-CSE-ConnectionGUID: QlBI92JIQraMZ0y7XZxVPg== X-CSE-MsgGUID: +srpOX9/T5CXVZ9SB+pENg== X-IronPort-AV: E=McAfee;i="6800,10657,11645"; a="90594656" X-IronPort-AV: E=Sophos;i="6.21,156,1763452800"; d="scan'208";a="90594656" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2025 09:21:32 -0800 X-CSE-ConnectionGUID: KVPqgzluRHeHCUMRJ3XNwA== X-CSE-MsgGUID: ZvwKCmNySMa+g3fYbpaHsA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,156,1763452800"; d="scan'208";a="221748166" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO agluck-desk3.home.arpa) ([10.124.223.131]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2025 09:21:32 -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 v17 06/32] fs/resctrl: Split L3 dependent parts out of __mon_event_count() Date: Wed, 17 Dec 2025 09:20:53 -0800 Message-ID: <20251217172121.12030-7-tony.luck@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251217172121.12030-1-tony.luck@intel.com> References: <20251217172121.12030-1-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 2.52.0