From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 17B334267F; Sat, 30 Sep 2023 08:24:21 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8F7E940156; Sat, 30 Sep 2023 08:24:20 +0200 (CEST) Received: from shelob.oktetlabs.ru (shelob.oktetlabs.ru [91.220.146.113]) by mails.dpdk.org (Postfix) with ESMTP id 611B54003C for ; Sat, 30 Sep 2023 08:24:19 +0200 (CEST) Received: from [192.168.38.17] (aros.oktetlabs.ru [192.168.38.17]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by shelob.oktetlabs.ru (Postfix) with ESMTPSA id 90D5190; Sat, 30 Sep 2023 09:24:18 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 shelob.oktetlabs.ru 90D5190 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=oktetlabs.ru; s=default; t=1696055058; bh=RfcUI8Q2azGnaznWfcSWoM7b0yRLf6sdlWlFRNVPMHc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=SzWkktFSxzOnWYwE9pLlTlQ07Bw9aihIrPExIufOBf0Kv3evydoLmoEjzTq6ipIFU IOe42V3ho3O6eq4XMzMrv7WOh0FiyOTcAmJK6hCltDMPB/I23UN5H9nV7emqfzcQXb uP7GSwMoTDiBfLuFpRBTsxFQhePQDqaKVwhkd60s= Message-ID: <8cba2bda-9950-aa9c-b4be-1f0e20556fd8@oktetlabs.ru> Date: Sat, 30 Sep 2023 09:24:18 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH] mempool: add cache guard to per-lcore debug statistics Content-Language: en-US To: =?UTF-8?Q?Morten_Br=c3=b8rup?= , thomas@monjalon.net, david.marchand@redhat.com, olivier.matz@6wind.com, bruce.richardson@intel.com, mattias.ronnblom@ericsson.com Cc: honnappa.nagarahalli@arm.com, konstantin.v.ananyev@yandex.ru, dev@dpdk.org References: <20230904091020.12481-1-mb@smartsharesystems.com> From: Andrew Rybchenko Organization: OKTET Labs In-Reply-To: <20230904091020.12481-1-mb@smartsharesystems.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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 On 9/4/23 12:10, Morten Brørup wrote: > The per-lcore debug statistics, if enabled, are frequently written by > their individual lcores, so add a cache guard to prevent CPU cache > thrashing. > > Depends-on: series-29415 ("clarify purpose of empty cache lines") > > Signed-off-by: Morten Brørup Reviewed-by: Andrew Rybchenko