From owner-freebsd-hackers@FreeBSD.ORG Sun Aug 25 18:00:50 2013 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 2492C305 for ; Sun, 25 Aug 2013 18:00:50 +0000 (UTC) (envelope-from kientzle@freebsd.org) Received: from monday.kientzle.com (99-115-135-74.uvs.sntcca.sbcglobal.net [99.115.135.74]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id CA2AA29E9 for ; Sun, 25 Aug 2013 18:00:49 +0000 (UTC) Received: (from root@localhost) by monday.kientzle.com (8.14.4/8.14.4) id r7PI0fa3016993 for freebsd-hackers@freebsd.org; Sun, 25 Aug 2013 18:00:41 GMT (envelope-from kientzle@freebsd.org) Received: from [192.168.2.123] (CiscoE3000 [192.168.1.65]) by kientzle.com with SMTP id k4kjaqr9frhnwu6edtqrb9i89w; for freebsd-hackers@freebsd.org; Sun, 25 Aug 2013 18:00:41 +0000 (UTC) (envelope-from kientzle@freebsd.org) From: Tim Kientzle Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Torture test for atomics and userland locking? Date: Sun, 25 Aug 2013 11:00:29 -0700 Message-Id: <615EAF1F-A719-4821-BB94-FF8C2F041AAB@freebsd.org> To: FreeBSD Hackers Mime-Version: 1.0 (Apple Message framework v1283) X-Mailer: Apple Mail (2.1283) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Aug 2013 18:00:50 -0000 Can anyone suggest a good test suite for stressing atomic primitives and/or userland locking? There were some questions on freebsd-arm about verifying that our atomics are correct; a few people have looked at the code and everything looks good so far, but it would be reassuring to have some test suite that could provide additional confidence. Tim