From patchwork Thu Aug 20 17:11:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Dumazet X-Patchwork-Id: 1348526 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=idKLLEe9; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BXWR44GFGz9sRK for ; Fri, 21 Aug 2020 03:12:00 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730531AbgHTRL5 (ORCPT ); Thu, 20 Aug 2020 13:11:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730497AbgHTRLX (ORCPT ); Thu, 20 Aug 2020 13:11:23 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC6FBC061385 for ; Thu, 20 Aug 2020 10:11:22 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id k11so3031419ybp.1 for ; Thu, 20 Aug 2020 10:11:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=O8CXOCLTqngUZS4W/lakq6RernfPrBHkn2aLsZzKxQE=; b=idKLLEe9Pgx+yx3x2ZSIEUGLBCYq9ZEIywrQSThfohzxd1GIafZ/Po+FEnpMr3EThH TWRfD91keKS/LzktSGZOSwQhJxYKDJgZGAT2LBXsjqMro5k5uT/KXHqYXZMsi+9idEp6 KNlTcqzlzkRzvzV1hlJuhUnBcMcYyF8HDPkPmqvutcZnlS0DdeIQ+JzrgBUOHU9BT4Xd iJsdaQ64gwzuWfvmhMz+j2Poai8ZUoA30m9ikGuPWzGfb44jXSbuBm41mcUNQF1V4mm+ hZF2ZVucEHKSciedjIgVWnxBZzZKZKWM7t+B2GIieS7gt+h2QF+D1VM1EP3fuibCVoxY R4eA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=O8CXOCLTqngUZS4W/lakq6RernfPrBHkn2aLsZzKxQE=; b=eLBsyfAg66deQoCxMpS+SiiRO+bBLYXdzhTXufmZ4uamMsBXRZPl+fOFrOzrr6loqv tC6CoEYImdr9tOGR9q0sbsqAJ3z+Si2sbuw/bYuzZP04PNwJ9cAvld2+xgUiD0qtiBWD P0fMJSwdQQ6MwIgAubAxaq41E2bFsQ2QRJWbbom2tNCYlLFyjMnKVPxzkWKxA80d9dQ/ NHJwwD0pr9xFea5OekNbe2y9wTIDw5INeS42crhFkfkydgLU+qGNlrhcpeOoNGRMtxkX G73G+yHMyWF582b89jbBRyZsdBsPHPB0gu/Opvq8zJbCsIYWeV+jJ+q3r7kI7E+hLRa/ dMug== X-Gm-Message-State: AOAM530PztQtZwp1uAvHcKVnMMuyHzdiv6IQYmPGV/dBuuytPb9GcfPf kYbjQ7mWKWcf/f/w1/w9icv/uA2OLJdrpQ== X-Google-Smtp-Source: ABdhPJw6tI0WjwLxz5RV34gGVOwidrarPg5wIfgv/eTogxbLgZqTCLJ1FqGqcp2zqc05euQUqPqWCZBnOEjBaw== X-Received: from edumazet1.svl.corp.google.com ([2620:15c:2c4:201:7220:84ff:fe09:1424]) (user=edumazet job=sendgmr) by 2002:a25:ae5e:: with SMTP id g30mr4217004ybe.24.1597943482140; Thu, 20 Aug 2020 10:11:22 -0700 (PDT) Date: Thu, 20 Aug 2020 10:11:15 -0700 Message-Id: <20200820171118.1822853-1-edumazet@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.28.0.297.g1956fa8f8d-goog Subject: [PATCH net-next 0/3] tcp_mmap: optmizations From: Eric Dumazet To: "David S . Miller" Cc: netdev , Eric Dumazet , Eric Dumazet , Soheil Hassas Yeganeh , Arjun Roy Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This series updates tcp_mmap reference tool to use best pratices. First patch is using madvise(MADV_DONTNEED) to decrease pressure on the socket lock. Last patches try to use huge pages when available. Eric Dumazet (3): selftests: net: tcp_mmap: use madvise(MADV_DONTNEED) selftests: net: tcp_mmap: Use huge pages in send path selftests: net: tcp_mmap: Use huge pages in receive path tools/testing/selftests/net/tcp_mmap.c | 42 +++++++++++++++++++++----- 1 file changed, 35 insertions(+), 7 deletions(-) Acked-by: Soheil Hassas Yeganeh Acked-by: Arjun Roy