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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 CD5BDC2D0F0 for ; Wed, 1 Apr 2020 18:44:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BA4C20787 for ; Wed, 1 Apr 2020 18:44:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585766658; bh=dFJJignhfyEupSLh7warErSBQQPjZWEj2LecqCbXml4=; h=Date:From:To:Cc:Subject:Reply-To:List-ID:From; b=J3292Zh9f5GnoChCCuuQ86nMoY1o3NlxwjJHHp8Eod6z1JUBwdfYK8CuykEPS5l/y jr3oRKXlof19P8xv9sMbbvc9+0MA81q/suAiZikDOnLRxzsAZyUgcrQOQjbF2Knh2m nAcU79AkhWHt6+ZEbM6CENInXtDO2VDKNDREZ+Ec= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732352AbgDASoR (ORCPT ); Wed, 1 Apr 2020 14:44:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:54110 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726640AbgDASoQ (ORCPT ); Wed, 1 Apr 2020 14:44:16 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1B403206F5; Wed, 1 Apr 2020 18:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585766656; bh=dFJJignhfyEupSLh7warErSBQQPjZWEj2LecqCbXml4=; h=Date:From:To:Cc:Subject:Reply-To:From; b=vXYSv1XizPlHbTVLgM3HbGo81YI/T+ZBDWUo4yyGlaehO4dDtOfa6AjWzItpZms+k HwMgiBCkrr/QklDVL91p2TqELtgLbuR3wPdjNOnfredyrJ2DOS/Pgu/yN98BVHVEH1 ymuI2j/cDLgHGy6E+xYYMXGX7itdGtHFZSq6WxVk= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id DD75435226B3; Wed, 1 Apr 2020 11:44:15 -0700 (PDT) Date: Wed, 1 Apr 2020 11:44:15 -0700 From: "Paul E. McKenney" To: urezki@gmail.com, joel@joelfernandes.org Cc: linux-kernel@vger.kernel.org, rcu@vger.kernel.org Subject: What should we be doing to stress-test kfree_rcu()? Message-ID: <20200401184415.GA7619@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! What should we be doing to stress-test kfree_rcu(), including its ability to cope with OOM conditions? Yes, rcuperf runs are nice, but they are not currently doing much more than testing base functionality, performance, and scalability. Thanx, Paul