From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 0520C1104 for ; Wed, 7 Jun 2023 08:32:29 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C13F1B5 for ; Wed, 7 Jun 2023 01:32:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686126747; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=CML4ab6B58M9ev6BpdLEEY4A76luqMMPJKhl0+/qfpg=; b=BHlU73azs25uwOeAph1QWaOB6Q50180lG9hYmnBLsKJctRvNDGOvhFxCyoRp6xajBGALPQ MX58XLn+V7W/dQfs8QeNJHOdvxi98glUhadGTBtz+MGfpxMhJrzJeXB9v7ArrXHKbPhk1/ vCCbn1fRf/ZSKKebYQqBf7wuhqzWbwE= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-104-NRO6IdReNw67FASQeh4QKQ-1; Wed, 07 Jun 2023 04:32:24 -0400 X-MC-Unique: NRO6IdReNw67FASQeh4QKQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B50393802609; Wed, 7 Jun 2023 08:32:23 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4014C40D1B66; Wed, 7 Jun 2023 08:32:20 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <202305260951.338c3bfe-oliver.sang@intel.com> <521116.1685091071@warthog.procyon.org.uk> To: Oliver Sang Cc: dhowells@redhat.com, oe-lkp@lists.linux.dev, lkp@intel.com, Eric Dumazet , "David S. Miller" , David Ahern , Jakub Kicinski , Paolo Abeni , Jens Axboe , Matthew Wilcox , netdev@vger.kernel.org, ying.huang@intel.com, feng.tang@intel.com, fengwei.yin@intel.com Subject: Re: [dhowells-fs:sendpage-1] [tcp] 77f5a42b2d: netperf.Throughput_Mbps -14.6% regression Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2003297.1686126739.1@warthog.procyon.org.uk> Date: Wed, 07 Jun 2023 09:32:19 +0100 Message-ID: <2003298.1686126739@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Oliver Sang wrote: > > Could you try running this branch through your tests? > > sorry for late. > > we tested the tip of below branch, as you said, it has better performance > even comparing to the parent of 77f5a42b2d Many thanks! David