From patchwork Thu Sep 1 14:39:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Laatz X-Patchwork-Id: 115750 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id A23F9A0032; Thu, 1 Sep 2022 16:37:15 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8E16F42829; Thu, 1 Sep 2022 16:37:09 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mails.dpdk.org (Postfix) with ESMTP id F12B940695 for ; Thu, 1 Sep 2022 16:37:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662043027; x=1693579027; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lLE5xyypApCPGDQUBYquSnud9fSyUZqV3AVhUwx7kj8=; b=PnhsJRg/Y0iKtaHEtzySmQJjQib4cTXY4xGjZ3+5gxELrdNnqgrqqYJg JACyXT0QkNLwEPoRkdgeG4rEm56Elv72L6q1k5xzNr4XLQt0lsUmP4RFe mqVpdaRbN1iJ9uSvwfWwG5Ua1mlv0GjqLdTIaT1+ss1TQ70EPEqxAof49 vpJkL1+dX0kc8Hq3ouoNl/Yq/BQlTa3VFoJqKutqnA1yho3KaUn0EeN4J WzqJHdFjghQU248cDNCWIqTBWHHPtKHbyxm7ZCNDJtKfYAN5xAvu4o/fW Kf/tf4O+BLNIj4GaEqc4a+9NAtxr1udxkPkC2kk6a4AIHVRFiQrGZfio9 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10457"; a="297014203" X-IronPort-AV: E=Sophos;i="5.93,281,1654585200"; d="scan'208";a="297014203" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2022 07:37:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,281,1654585200"; d="scan'208";a="673874907" Received: from silpixa00401122.ir.intel.com ([10.237.213.42]) by fmsmga008.fm.intel.com with ESMTP; 01 Sep 2022 07:37:04 -0700 From: Kevin Laatz To: dev@dpdk.org Cc: anatoly.burakov@intel.com Subject: [PATCH v4 2/3] eal: add cpuset lcore telemetry entries Date: Thu, 1 Sep 2022 15:39:34 +0100 Message-Id: <20220901143936.3549493-3-kevin.laatz@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220901143936.3549493-1-kevin.laatz@intel.com> References: <24c49429394294cfbf0d9c506b205029bac77c8b.1657890378.git.anatoly.burakov@intel.com> <20220901143936.3549493-1-kevin.laatz@intel.com> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Anatoly Burakov Expose per-lcore cpuset information to telemetry. Signed-off-by: Anatoly Burakov --- lib/eal/common/eal_common_lcore_telemetry.c | 47 +++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/lib/eal/common/eal_common_lcore_telemetry.c b/lib/eal/common/eal_common_lcore_telemetry.c index 540ac5eba0..976a615d4e 100644 --- a/lib/eal/common/eal_common_lcore_telemetry.c +++ b/lib/eal/common/eal_common_lcore_telemetry.c @@ -19,6 +19,8 @@ rte_atomic32_t __rte_lcore_telemetry_enabled; #ifdef RTE_LCORE_POLL_BUSYNESS +#include "eal_private.h" + struct lcore_telemetry { int poll_busyness; /**< Calculated poll busyness (gets set/returned by the API) */ @@ -247,6 +249,48 @@ lcore_handle_poll_busyness(const char *cmd __rte_unused, return 0; } +static int +lcore_handle_cpuset(const char *cmd __rte_unused, + const char *params __rte_unused, + struct rte_tel_data *d) +{ + char corenum[64]; + int i; + + rte_tel_data_start_dict(d); + + RTE_LCORE_FOREACH(i) { + const struct lcore_config *cfg = &lcore_config[i]; + const rte_cpuset_t *cpuset = &cfg->cpuset; + struct rte_tel_data *ld; + unsigned int cpu; + + if (!rte_lcore_is_enabled(i)) + continue; + + /* create an array of integers */ + ld = rte_tel_data_alloc(); + if (ld == NULL) + return -ENOMEM; + rte_tel_data_start_array(ld, RTE_TEL_INT_VAL); + + /* add cpu ID's from cpuset to the array */ + for (cpu = 0; cpu < CPU_SETSIZE; cpu++) { + if (!CPU_ISSET(cpu, cpuset)) + continue; + rte_tel_data_add_array_int(ld, cpu); + } + + /* add array to the per-lcore container */ + snprintf(corenum, sizeof(corenum), "%d", i); + + /* tell telemetry library to free this array automatically */ + rte_tel_data_add_dict_container(d, corenum, ld, 0); + } + + return 0; +} + void rte_lcore_telemetry_free(void) { @@ -274,6 +318,9 @@ RTE_INIT(lcore_init_telemetry) rte_telemetry_register_cmd("/eal/lcore/poll_busyness_disable", lcore_poll_busyness_disable, "disable lcore poll busyness measurement"); + + rte_telemetry_register_cmd("/eal/lcore/cpuset", lcore_handle_cpuset, + "list physical core affinity for each lcore"); } #else