From owner-dev-commits-src-all@freebsd.org Wed May 26 06:09:30 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E573E6343F7; Wed, 26 May 2021 06:09:30 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FqgWt64RDz3qG0; Wed, 26 May 2021 06:09:30 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id AE5F938F5; Wed, 26 May 2021 06:09:30 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 14Q69U5p087402; Wed, 26 May 2021 06:09:30 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14Q69ULX087401; Wed, 26 May 2021 06:09:30 GMT (envelope-from git) Date: Wed, 26 May 2021 06:09:30 GMT Message-Id: <202105260609.14Q69ULX087401@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Peter Holm Subject: git: 0b5d6b8173d9 - main - stress2: Added a new ptrace() test scenario MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: pho X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 0b5d6b8173d91802cd0d765ce2e19d856f4bc401 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 May 2021 06:09:31 -0000 The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=0b5d6b8173d91802cd0d765ce2e19d856f4bc401 commit 0b5d6b8173d91802cd0d765ce2e19d856f4bc401 Author: Peter Holm AuthorDate: 2021-05-26 06:08:56 +0000 Commit: Peter Holm CommitDate: 2021-05-26 06:08:56 +0000 stress2: Added a new ptrace() test scenario --- tools/test/stress2/misc/truss2.sh | 58 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/tools/test/stress2/misc/truss2.sh b/tools/test/stress2/misc/truss2.sh new file mode 100755 index 000000000000..6a5743550b04 --- /dev/null +++ b/tools/test/stress2/misc/truss2.sh @@ -0,0 +1,58 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2021 Peter Holm +# +# 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. +# + +# Trace random cc, c++ or make threads from a buildkernel +# Test scenario idea by kib@ + +old=`sysctl -in kern.kill_on_debugger_exit` +[ -z "$old" ] && exit 0 +trap "sysctl kern.kill_on_debugger_exit=$old" EXIT INT + +# Enable ptrace(2)d processes to continue +sysctl kern.kill_on_debugger_exit=0 +./buildkernel.sh & kpid=$! +while true; do + for i in `jot 8`; do + rpid=`ps -l | grep -vwE 'grep|RE|defunct' | \ + grep -E "(cc|c\+\+|make) " | \ + sort -R | head -1 | awk '{print $2}'` + [ -n "$rpid" ] && break + sleep 1 + done + [ -z "$rpid" ] && break + kill -0 $rpid 2>/dev/null || continue + ps -lp $rpid | tail -1 + echo "truss -f -o /dev/null -p $rpid" + truss -f -o /dev/null -p $rpid & tpid=$! + sleep `jot -r 1 5 10` + pkill -9 truss + wait $tpid +done +wait $kpid +exit $?