From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC8BCC4338F for ; Fri, 6 Aug 2021 01:20:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AAF8611C8 for ; Fri, 6 Aug 2021 01:20:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243198AbhHFBUY (ORCPT ); Thu, 5 Aug 2021 21:20:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:58714 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231159AbhHFBUX (ORCPT ); Thu, 5 Aug 2021 21:20:23 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 74D3D611BF; Fri, 6 Aug 2021 01:20:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628212808; bh=ZQAfVXDCblHS9zVYXhszqIzMOBPQzESm3sNj2JFZmAQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NEBVC2X20n1pTKrkiETIqjfiTQA5GbK1gYJk3B2E8I6CaslJTP5/i+ESl84sDzJJ5 Vg6zlhTCYS/n97xxDkrR0Ay8n4XfDkjR18KJmDyqjpUN7CTZ6yK/wV/5OGtbMbBjmi xyU2jS0VVqek1CiFHg2oQDkNhlHqsIhCcXMEfQW0KHBRNGsYDplc5eWgpN4102+Too XibgiGPT9zDIPQz4tTroY4XyHi5Z8o1Rdcqhrn9GHPUc4I0FP7SA1WSeIZz2vzPd1R SPZUBd8MzoNBoxiUs+2utdYCxvB8PGOogMgkpBwQzPYq8If4w09g7UiojWQuz4ed70 CzPH/ND81e+1A== Date: Thu, 5 Aug 2021 18:20:06 -0700 From: Jakub Kicinski To: Yunsheng Lin Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH net-next 4/4] net: hns3: support skb's frag page recycling based on page pool Message-ID: <20210805182006.66133c8e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <1628161526-29076-5-git-send-email-linyunsheng@huawei.com> References: <1628161526-29076-1-git-send-email-linyunsheng@huawei.com> <1628161526-29076-5-git-send-email-linyunsheng@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 5 Aug 2021 19:05:26 +0800 Yunsheng Lin wrote: > This patch adds skb's frag page recycling support based on > the frag page support in page pool. > > The performance improves above 10~20% for single thread iperf > TCP flow with IOMMU disabled when iperf server and irq/NAPI > have a different CPU. > > The performance improves about 135%(14Gbit to 33Gbit) for single > thread iperf TCP flow IOMMU is in strict mode and iperf server > shares the same cpu with irq/NAPI. > > Signed-off-by: Yunsheng Lin This patch does not apply cleanly to net-next, please rebase if you're targeting that tree.