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Date:      Thu, 22 Oct 2015 06:59:14 +0000 (UTC)
From:      Peter Holm <pho@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r289741 - user/pho/stress2/misc
Message-ID:  <201510220659.t9M6xErN082261@repo.freebsd.org>

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Author: pho
Date: Thu Oct 22 06:59:14 2015
New Revision: 289741
URL: https://svnweb.freebsd.org/changeset/base/289741

Log:
  Added new test scenarios for ptrace(2).
  
  Sponsored by:	EMC / Isilon storage division

Added:
  user/pho/stress2/misc/ptrace4.sh   (contents, props changed)
  user/pho/stress2/misc/truss.sh   (contents, props changed)

Added: user/pho/stress2/misc/ptrace4.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/ptrace4.sh	Thu Oct 22 06:59:14 2015	(r289741)
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2015 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.
+#
+# $FreeBSD$
+#
+
+# ptrace(2) test scenario
+
+# Test program can not be killed:
+# https://people.freebsd.org/~pho/stress/log/kostik836.txt
+# Fixed by r289660.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+
+export sleeptime=24
+./syscall4.sh 26 &
+
+sleep 240
+l=0
+while ps -Unobody | grep -v grep | grep -q syscall4; do
+	l=$((l + 1))
+	if [ $l -gt 10 ]; then
+		echo FAIL
+		break
+	fi
+	sleep 10
+done
+wait

Added: user/pho/stress2/misc/truss.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/truss.sh	Thu Oct 22 06:59:14 2015	(r289741)
@@ -0,0 +1,130 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2015 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.
+#
+# $FreeBSD$
+#
+
+# truss(1) of a multithreaded program.
+
+# FAIL
+#   0 90968 90933   0  52  0 6028    0 wait   IW+ 1  0:00,00 truss /tmp/ttruss
+#   0 90970 90968   0  52  0 6436 1560 uwrlck IX+ 1  0:00,00 /tmp/ttruss
+# $ procstat -k 90970
+#   PID    TID COMM             TDNAME           KSTACK
+# 90970 101244 ttruss           -                mi_switch sleepq_switch
+#     sleepq_catch_signals sleepq_wait_sig _sleep umtxq_sleep
+#     do_rw_wrlock __umtx_op_rw_wrlock syscall Xint0x80_syscall
+# $
+
+# Only seen during testing of a WiP ptrace(2) patch.
+
+. ../default.cfg
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/ttruss.c
+mycc -o ttruss -Wall -Wextra -O0 -g ttruss.c -lpthread || exit 1
+rm -f ttruss.c
+
+# VM pressure is not mandatory, but shortens the time to failure.
+daemon sh -c \
+    "(cd $odir/../testcases/swap; ./swap -t 6m -i 20 -k -l 100)" > \
+    /dev/null
+sleep .5
+for i in `jot 30`; do
+	truss /tmp/ttruss 10 > /dev/null 2>&1 &
+	sleep 11
+	if ps -l | grep -v grep | grep -q uwrlck; then
+		echo FAIL
+		ps -lH | egrep -v "grep|truss.sh" | grep truss
+		while pkill -9 swap; do
+			:
+		done
+		exit 1
+	fi
+	wait
+done
+while pkill -9 swap; do
+	:
+done
+sleep 2
+if pgrep -q ttruss; then
+	echo FAIL
+	ps -lH | grep -v grep | grep ttruss
+	exit 1
+fi
+
+rm -rf /tmp/ttruss
+exit
+
+EOF
+#include <sys/param.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#define THREADS 16
+
+static void *
+t1(void *data __unused)
+{
+	return (NULL);
+}
+
+int
+main(int argc, char *argv[])
+{
+	pthread_t tid[THREADS];
+	time_t start;
+	int i, rc, runtime;
+
+	if (argc != 2)
+		errx(1, "Usage: %s <runtime>", argv[0]);
+	runtime = atoi(argv[1]);
+	start = time(NULL);
+	while ((time(NULL) - start) < runtime) {
+		for (i = 0; i < THREADS; i++) {
+			if ((rc = pthread_create(&tid[i], NULL, t1, NULL)) ==
+			    -1)
+				errc(1, rc, "pthread_create");
+		}
+
+		for (i = 0; i < THREADS; i++) {
+			if ((rc = pthread_join(tid[i], NULL)) == -1)
+				errc(1, rc, "pthread_join");
+		}
+	}
+
+	return (0);
+}



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