From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 7F8A1A0AC5 for ; Thu, 2 May 2019 13:18:56 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 48FC34C94; Thu, 2 May 2019 13:18:54 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 2824E34F3 for ; Thu, 2 May 2019 13:18:53 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2019 04:18:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,421,1549958400"; d="scan'208";a="296353394" Received: from silpixa00399952.ir.intel.com (HELO silpixa00399952.ger.corp.intel.com) ([10.237.223.64]) by orsmga004.jf.intel.com with ESMTP; 02 May 2019 04:18:51 -0700 From: David Hunt To: dev@dpdk.org Cc: david.hunt@intel.com Date: Thu, 2 May 2019 12:18:14 +0100 Message-Id: <20190502111815.29343-2-david.hunt@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190502111815.29343-1-david.hunt@intel.com> References: <20190502111815.29343-1-david.hunt@intel.com> Subject: [dpdk-dev] [PATCH v1 2/3] doc: add release note for power changes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190502111814.IAvrQ11Ja5W5ylQgaKchh20_Ohirn5Wa-oBJOnUO10k@z> In the Power Library, a new bit has been added to the mask returned by rte_power_get_capabilities which indicates whether the core is an Intel SST-BF high frequency core. The Distributor sample app has also been enhanced to make use of SST-BF cores, and pin relevant workloads to the higher frequency cores, if available in the core mask provided to the application. Signed-off-by: David Hunt --- doc/guides/rel_notes/release_19_05.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/guides/rel_notes/release_19_05.rst b/doc/guides/rel_notes/release_19_05.rst index d5ed564ab..b0b71dc7b 100644 --- a/doc/guides/rel_notes/release_19_05.rst +++ b/doc/guides/rel_notes/release_19_05.rst @@ -187,6 +187,17 @@ New Features Improved testpmd application performance on ARM platform. For ``macswap`` forwarding mode, NEON intrinsics were used to do swap to save CPU cycles. +* **Updated power management library.** + + Added support for Intel Speed Select Technology - Base Frequency (SST-BF). + ``rte_power_get_capabilities`` now has a bit in it's returned mask + indicating it's a high frequency core. + +* **Updated distributor sample application.** + + Added support for Intel SST-BF feature so that the distributor core is + pinned to a high frequency core if available. + Removed Items ------------- -- 2.17.1