From owner-svn-src-user@freebsd.org Tue Apr 24 07:03:24 2018 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 89048FBE059 for ; Tue, 24 Apr 2018 07:03:24 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3C86C6C183; Tue, 24 Apr 2018 07:03:24 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 36FA87E71; Tue, 24 Apr 2018 07:03:24 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w3O73Ouf026362; Tue, 24 Apr 2018 07:03:24 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w3O73OVm026361; Tue, 24 Apr 2018 07:03:24 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201804240703.w3O73OVm026361@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 24 Apr 2018 07:03:24 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r332912 - user/pho/stress2/misc X-SVN-Group: user X-SVN-Commit-Author: pho X-SVN-Commit-Paths: user/pho/stress2/misc X-SVN-Commit-Revision: 332912 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Apr 2018 07:03:24 -0000 Author: pho Date: Tue Apr 24 07:03:23 2018 New Revision: 332912 URL: https://svnweb.freebsd.org/changeset/base/332912 Log: Added older sysctl kern.sched_fuzz test scenario. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/schedfuzz.sh (contents, props changed) Added: user/pho/stress2/misc/schedfuzz.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/schedfuzz.sh Tue Apr 24 07:03:23 2018 (r332912) @@ -0,0 +1,81 @@ +#!/bin/sh + +# +# Copyright (c) 2016 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Sched fuzz test scenario. + +# "panic: sleeping thread" seen: +# https://people.freebsd.org/~pho/stress/log/schedfuzz.txt + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +sysctl kern.sched_fuzz.prof_on > /dev/null 2>&1 || exit 0 + +: ${pct1:=0.01} +: ${pct2:=0.1} +export pct1 pct2 + +seton() { + sysctl kern.sched_fuzz.sched_fuzz_scheduler="${pct1}%return(1)" + sysctl kern.sched_fuzz.sched_fuzz_sx_slock_delay="${pct1}%schedfuzz(82)" + sysctl kern.sched_fuzz.sched_fuzz_sx_xlock_delay="${pct1}%schedfuzz(82)" + sysctl kern.sched_fuzz.sched_fuzz_sx_slock_sleep="${pct1}%schedfuzz(82)" + sysctl kern.sched_fuzz.sched_fuzz_sx_xlock_sleep="${pct1}%schedfuzz(82)" + sysctl kern.sched_fuzz.sched_fuzz_mtx_spin_lock="${pct1}%schedfuzz(44)" + sysctl kern.sched_fuzz.sched_fuzz_mtx_spin_unlock="${pct1}%schedfuzz(44)" + sysctl kern.sched_fuzz.sched_fuzz_malloc="${pct1}%schedfuzz(62)" + sysctl kern.sched_fuzz.sched_fuzz_cv_wait="${pct2}%schedfuzz(100)" + sysctl kern.sched_fuzz.sched_fuzz_cv_timed_wait="${pct2}%schedfuzz(100)" + sysctl kern.sched_fuzz.sched_fuzz_cv_timed_wait_sig="${pct2}%schedfuzz(100)" + sysctl kern.sched_fuzz.sched_fuzz_mtx_lock="${pct1}%schedfuzz(22)" + sysctl kern.sched_fuzz.sched_fuzz_mtx_unlock="${pct1}%schedfuzz(22)" + sysctl kern.sched_fuzz.sched_fuzz_sleepq="${pct1}%schedfuzz(150)" + + sysctl kern.sched_fuzz.prof_on=1 +} + +setoff() { + sysctl kern.sched_fuzz.prof_on=0 +} + +if [ $# -eq 1 ]; then + case "$1" in + on) seton + ;; + off) setoff + ;; + *) echo "Usage: $0 [on|off]" + exit 1 + ;; + esac +else + seton + ./procfs.sh + setoff +fi