From owner-svn-src-user@FreeBSD.ORG Tue Apr 22 07:19:00 2014 Return-Path: Delivered-To: svn-src-user@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 ESMTPS id 3B334507; Tue, 22 Apr 2014 07:19:00 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1ACA81CD8; Tue, 22 Apr 2014 07:19:00 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s3M7J0oR084137; Tue, 22 Apr 2014 07:19:00 GMT (envelope-from pho@svn.freebsd.org) Received: (from pho@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s3M7Ix6r084132; Tue, 22 Apr 2014 07:18:59 GMT (envelope-from pho@svn.freebsd.org) Message-Id: <201404220718.s3M7Ix6r084132@svn.freebsd.org> From: Peter Holm Date: Tue, 22 Apr 2014 07:18:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r264752 - user/pho/stress2/misc X-SVN-Group: user 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: 2.1.17 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, 22 Apr 2014 07:19:00 -0000 Author: pho Date: Tue Apr 22 07:18:59 2014 New Revision: 264752 URL: http://svnweb.freebsd.org/changeset/base/264752 Log: Added more pthread test scenarios. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/pthread3.sh (contents, props changed) user/pho/stress2/misc/pthread4.sh (contents, props changed) user/pho/stress2/misc/pthread5.sh (contents, props changed) user/pho/stress2/misc/pthread6.sh (contents, props changed) Added: user/pho/stress2/misc/pthread3.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/pthread3.sh Tue Apr 22 07:18:59 2014 (r264752) @@ -0,0 +1,299 @@ +#!/bin/sh + +# +# Copyright (c) 2014 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. +# +# $FreeBSD$ +# + +# _exit(2) test scenario with focus on shared channel tear down. + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > pthread3.c +cc -o pthread3 -Wall -Wextra -O2 -g -gdwarf-2 pthread3.c -lpthread || exit 1 +rm -f pthread3.c + +for i in `jot 8`; do + /tmp/pthread3 & +done +for i in `jot 8`; do + wait +done + +rm -f /tmp/pthread3 + +exit 0 +EOF +/* + * Threaded producer-consumer test. + * Loosly based on work by + * Andrey Zonov (c) 2012 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef __FreeBSD__ +#include +#define __NP__ +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +#define LOCK(x) plock(&x.mtx) +#define UNLOCK(x) punlock(&x.mtx) +#define SIGNAL(x) psig(&x.wait) +#define WAIT(x) pwait(&x.wait, &x.mtx) + +long ncreate, nrename, nunlink; +int max; +char *dirname1; +char *dirname2; + +struct file { + char *name; + STAILQ_ENTRY(file) next; +}; + +struct files { + pthread_mutex_t mtx; + pthread_cond_t wait; + STAILQ_HEAD(, file) list; +}; + +static struct files newfiles; +static struct files renamedfiles; + + +static void +hand(int i __unused) { /* handler */ + fprintf(stderr, "max = %d, ncreate = %ld, nrename = %ld, nunlink = %ld\n", + max, ncreate, nrename, nunlink); +} + +static void +ahand(int i __unused) { /* handler */ + fprintf(stderr, "FAIL\n"); + hand(0); + _exit(0); +} + +void +plock(pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_mutex_lock(l)) != 0) + errc(1, rc, "pthread_mutex_lock"); +} + +void +punlock(pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_mutex_unlock(l)) != 0) + errc(1, rc, "pthread_mutex_unlock"); +} + +void +psig(pthread_cond_t *c) +{ + int rc; + + if ((rc = pthread_cond_signal(c)) != 0) + errc(1, rc, "pthread_cond_signal"); +} + +void +pwait(pthread_cond_t *c, pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_cond_wait(c, l)) != 0) + errc(1, rc, "pthread_cond_wait"); +} + +void * +loop_create(void *arg __unused) +{ + int i, j; + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + for (i = 0; i < max; i++) { + file = malloc(sizeof(*file)); + asprintf(&file->name, "%s/filename_too-long:%d", dirname1, i); + LOCK(newfiles); + STAILQ_INSERT_TAIL(&newfiles.list, file, next); + ncreate++; + UNLOCK(newfiles); + SIGNAL(newfiles); + if ((i > 0) && (i % 100000 == 0)) + for (j = 0; j < 10 && ncreate != nrename; j++) + usleep(400); + } + return (NULL); +} + +void * +loop_rename(void *arg __unused) +{ + char *filename, *newname; + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + while (nrename < max) { + LOCK(newfiles); + while (STAILQ_EMPTY(&newfiles.list)) { + WAIT(newfiles); + } + file = STAILQ_FIRST(&newfiles.list); + STAILQ_REMOVE_HEAD(&newfiles.list, next); + UNLOCK(newfiles); + filename = strrchr(file->name, '/'); + asprintf(&newname, "%s/%s", dirname2, filename); + nrename++; + free(file->name); + file->name = newname; + LOCK(renamedfiles); + STAILQ_INSERT_TAIL(&renamedfiles.list, file, next); + UNLOCK(renamedfiles); + SIGNAL(renamedfiles); + } + return (NULL); +} + +void * +loop_unlink(void *arg __unused) +{ + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + while (nunlink < max) { + LOCK(renamedfiles); + while (STAILQ_EMPTY(&renamedfiles.list)) { + WAIT(renamedfiles); + } + file = STAILQ_FIRST(&renamedfiles.list); + STAILQ_REMOVE_HEAD(&renamedfiles.list, next); + nunlink++; + UNLOCK(renamedfiles); + free(file->name); + free(file); + if (arc4random() % 100 == 1) + if (arc4random() % 100 == 1) + if (arc4random() % 100 < 10) + _exit(0); + } + return (NULL); +} + +void +test(void) +{ + int i; + int rc; + pthread_t tid[3]; + + asprintf(&dirname1, "%s.1", "f1"); + asprintf(&dirname2, "%s.2", "f2"); + max = 15000000; + + STAILQ_INIT(&newfiles.list); + STAILQ_INIT(&renamedfiles.list); + + if ((rc = pthread_mutex_init(&newfiles.mtx, NULL)) != 0) + errc(1, rc, "pthread_mutex_init()"); + if ((rc = pthread_cond_init(&newfiles.wait, NULL)) != 0) + errc(1, rc, "pthread_cond_init()"); + if ((rc = pthread_mutex_init(&renamedfiles.mtx, NULL)) != 0) + errc(1, rc, "pthread_mutex_init()"); + if ((rc = pthread_cond_init(&renamedfiles.wait, NULL)) != 0) + errc(1, rc, "pthread_cond_init()"); + + signal(SIGINFO, hand); + signal(SIGALRM, ahand); + alarm(300); + if ((rc = pthread_create(&tid[0], NULL, loop_create, NULL)) != 0) + errc(1, rc, "pthread_create()"); + if ((rc = pthread_create(&tid[1], NULL, loop_rename, NULL)) != 0) + errc(1, rc, "pthread_create()"); + if ((rc = pthread_create(&tid[2], NULL, loop_unlink, NULL)) != 0) + errc(1, rc, "pthread_create()"); + + for (i = 0; i < 3; i++) { + if ((rc = pthread_join(tid[i], NULL)) != 0) + errc(1, rc, "pthread_join(%d)", i); + } + + if ((rc = pthread_mutex_destroy(&newfiles.mtx)) != 0) + errc(1, rc, "pthread_mutex_destroy(newfiles)"); + if ((rc = pthread_cond_destroy(&newfiles.wait)) != 0) + errc(1, rc, "pthread_cond_destroy(newfiles)"); + if ((rc = pthread_mutex_destroy(&renamedfiles.mtx)) != 0) + errc(1, rc, "pthread_mutex_destroy(renamedfiles)"); + if ((rc = pthread_cond_destroy(&renamedfiles.wait)) != 0) + errc(1, rc, "pthread_cond_destroy(renamedfiles)"); + free(dirname1); + free(dirname2); + + _exit(0); +} + +int +main(void) +{ + int i; + + for (i = 0; i < 1000; i++) { + if (fork() == 0) + test(); + wait(NULL); + } + + return (0); +} Added: user/pho/stress2/misc/pthread4.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/pthread4.sh Tue Apr 22 07:18:59 2014 (r264752) @@ -0,0 +1,299 @@ +#!/bin/sh + +# +# Copyright (c) 2014 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. +# +# $FreeBSD$ +# + +# PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP version of pthread2.sh + +export LANG=C +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > pthread4.c +cc -o pthread4 -Wall -Wextra -O2 -g -gdwarf-2 pthread4.c -lpthread || exit 1 +rm -f pthread4.c /tmp/pthread4.core + +log=/tmp/pthread4.`date '+%Y%m%d-%H%M'` +for i in `jot 5`; do + [ $i -eq 1 ] && echo "# `uname -v`" + time sh -c ' + for i in `jot 8`; do + /tmp/pthread4 & + done + for i in `jot 8`; do + wait + done + ' +done > $log 2>&1 +rm -f /tmp/pthread4 + +if [ -n "$bench" ]; then + pair=`ls /tmp/pthread4* | egrep "pthread4\.[0-9]{8}-" | sort | + tail -2 | tr '\n' ' '` + ministat -w 72 $pair +else + rm -f $log +fi + +exit 0 +EOF +/* + * Threaded producer-consumer test. + * Loosly based on work by + * Andrey Zonov (c) 2012 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef __FreeBSD__ +#include +#define __NP__ +#endif +#include +#include +#include +#include +#include +#include +#include + +#define LOCK(x) plock(&x.mtx) +#define UNLOCK(x) punlock(&x.mtx) +#define SIGNAL(x) psig(&x.wait) +#define WAIT(x) pwait(&x.wait, &x.mtx) + +long ncreate, nrename, nunlink; +int bench, max; +char *dirname1; +char *dirname2; + +struct file { + char *name; + STAILQ_ENTRY(file) next; +}; + +struct files { + pthread_mutex_t mtx; + pthread_cond_t wait; + STAILQ_HEAD(, file) list; +}; + +static struct files newfiles; +static struct files renamedfiles; + + +static void +hand(int i __unused) { /* handler */ + fprintf(stderr, "max = %d, ncreate = %ld, nrename = %ld, nunlink = %ld\n", + max, ncreate, nrename, nunlink); +} + +static void +ahand(int i __unused) { /* handler */ + fprintf(stderr, "FAIL\n"); + hand(0); + _exit(0); +} + +void +plock(pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_mutex_lock(l)) != 0) + errc(1, rc, "pthread_mutex_lock"); +} + +void +punlock(pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_mutex_unlock(l)) != 0) + errc(1, rc, "pthread_mutex_unlock"); +} + +void +psig(pthread_cond_t *c) +{ + int rc; + + if ((rc = pthread_cond_signal(c)) != 0) + errc(1, rc, "pthread_cond_signal"); +} + +void +pwait(pthread_cond_t *c, pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_cond_wait(c, l)) != 0) + errc(1, rc, "pthread_cond_wait"); +} + +void * +loop_create(void *arg __unused) +{ + int i, j; + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + for (i = 0; i < max; i++) { + file = malloc(sizeof(*file)); + asprintf(&file->name, "%s/filename_too-long:%d", dirname1, i); + LOCK(newfiles); + STAILQ_INSERT_TAIL(&newfiles.list, file, next); + ncreate++; + UNLOCK(newfiles); + SIGNAL(newfiles); + if ((bench == 0) && (i > 0) && (i % 100000 == 0)) + for (j = 0; j < 10 && ncreate != nrename; j++) + usleep(400); + } + return (NULL); +} + +void * +loop_rename(void *arg __unused) +{ + char *filename, *newname; + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + while (nrename < max) { + LOCK(newfiles); + while (STAILQ_EMPTY(&newfiles.list)) { + WAIT(newfiles); + } + file = STAILQ_FIRST(&newfiles.list); + STAILQ_REMOVE_HEAD(&newfiles.list, next); + UNLOCK(newfiles); + filename = strrchr(file->name, '/'); + asprintf(&newname, "%s/%s", dirname2, filename); + nrename++; + free(file->name); + file->name = newname; + LOCK(renamedfiles); + STAILQ_INSERT_TAIL(&renamedfiles.list, file, next); + UNLOCK(renamedfiles); + SIGNAL(renamedfiles); + } + return (NULL); +} + +void * +loop_unlink(void *arg __unused) +{ + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + while (nunlink < max) { + LOCK(renamedfiles); + while (STAILQ_EMPTY(&renamedfiles.list)) { + WAIT(renamedfiles); + } + file = STAILQ_FIRST(&renamedfiles.list); + STAILQ_REMOVE_HEAD(&renamedfiles.list, next); + nunlink++; + UNLOCK(renamedfiles); + free(file->name); + free(file); + } + return (NULL); +} + +int +main(void) +{ + int i; + int rc; + pthread_t tid[3]; + pthread_mutexattr_t attr, *pattr = NULL; + + bench = getenv("bench") != NULL; + asprintf(&dirname1, "%s.1", "f1"); + asprintf(&dirname2, "%s.2", "f2"); + max = 15000000; + + STAILQ_INIT(&newfiles.list); + STAILQ_INIT(&renamedfiles.list); + + pthread_mutexattr_init (&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); + pattr = &attr; + if ((rc = pthread_mutex_init(&newfiles.mtx, pattr)) != 0) + errc(1, rc, "pthread_mutex_init()"); + if ((rc = pthread_cond_init(&newfiles.wait, NULL)) != 0) + errc(1, rc, "pthread_cond_init()"); + if ((rc = pthread_mutex_init(&renamedfiles.mtx, NULL)) != 0) + errc(1, rc, "pthread_mutex_init()"); + if ((rc = pthread_cond_init(&renamedfiles.wait, NULL)) != 0) + errc(1, rc, "pthread_cond_init()"); + + signal(SIGINFO, hand); + signal(SIGALRM, ahand); + alarm(300); + if ((rc = pthread_create(&tid[0], NULL, loop_create, NULL)) != 0) + errc(1, rc, "pthread_create()"); + if ((rc = pthread_create(&tid[1], NULL, loop_rename, NULL)) != 0) + errc(1, rc, "pthread_create()"); + if ((rc = pthread_create(&tid[2], NULL, loop_unlink, NULL)) != 0) + errc(1, rc, "pthread_create()"); + + for (i = 0; i < 3; i++) { + if ((rc = pthread_join(tid[i], NULL)) != 0) + errc(1, rc, "pthread_join(%d)", i); + } + + if ((rc = pthread_mutex_destroy(&newfiles.mtx)) != 0) + errc(1, rc, "pthread_mutex_destroy(newfiles)"); + if ((rc = pthread_cond_destroy(&newfiles.wait)) != 0) + errc(1, rc, "pthread_cond_destroy(newfiles)"); + if ((rc = pthread_mutex_destroy(&renamedfiles.mtx)) != 0) + errc(1, rc, "pthread_mutex_destroy(renamedfiles)"); + if ((rc = pthread_cond_destroy(&renamedfiles.wait)) != 0) + errc(1, rc, "pthread_cond_destroy(renamedfiles)"); + free(dirname1); + free(dirname2); + + return (0); +} Added: user/pho/stress2/misc/pthread5.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/pthread5.sh Tue Apr 22 07:18:59 2014 (r264752) @@ -0,0 +1,120 @@ +#!/bin/sh + +# +# Copyright (c) 2014 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. +# +# $FreeBSD$ +# + +# Stress shchan allocations. + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > pthread5.c +cc -o pthread5 -Wall -Wextra -O2 pthread5.c -lpthread || exit 1 +rm -f pthread5.c + +/tmp/pthread5 + +rm -f /tmp/pthread5 +exit 0 +EOF +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ITER 2 +#define PARALLEL 1000 +#define THREADS 100 + +pthread_cond_t cond = PTHREAD_COND_INITIALIZER; +pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; + +static void * +nicethreads(void *data __unused) +{ + struct timespec ts; + struct timeval tp; + + pthread_mutex_lock(&mutex); + gettimeofday(&tp, NULL); + + ts.tv_sec = tp.tv_sec; + ts.tv_nsec = tp.tv_usec * 1000; + ts.tv_sec += 30; + + pthread_cond_timedwait(&cond, &mutex, &ts); + pthread_mutex_unlock(&mutex); + + return (NULL); +} + +int +test(void) +{ + int num_thread = THREADS; + pthread_t tid[num_thread]; + int i, iter, rc; + + for (iter = 0; iter < ITER; iter++) { + for (i = 0; i < num_thread; i++) { + if ((rc = pthread_create(&tid[i], NULL, nicethreads, + NULL)) == -1) + errc(1, rc, "pthread_create"); + } + usleep(20000); + for (i = 0; i < num_thread; i++) { + rc = pthread_mutex_lock(&mutex); + rc = pthread_cond_signal(&cond); + rc = pthread_mutex_unlock(&mutex); + } + for (i = 0; i < num_thread; i++) + if ((rc = pthread_join(tid[i], NULL)) == -1) + errc(1, rc, "pthread_join"); + } + + _exit(0); +} + +int +main(void) +{ + int i; + + for (i = 0; i < PARALLEL; i++) + if (fork() == 0) + test(); + for (i = 0; i < PARALLEL; i++) + wait(NULL); + + return (0); +} Added: user/pho/stress2/misc/pthread6.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/pthread6.sh Tue Apr 22 07:18:59 2014 (r264752) @@ -0,0 +1,307 @@ +#!/bin/sh + +# +# Copyright (c) 2014 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. +# +# $FreeBSD$ +# + +# "panic: pmap active 0xfffff80128cd84b8" seen: +# http://people.freebsd.org/~pho/stress/log/attilio101.txt + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > pthread6.c +cc -o pthread6 -Wall -Wextra -O2 -g -gdwarf-2 pthread6.c -lpthread || exit 1 +rm -f pthread6.c /tmp/pthread6.core +rm -f /tmp/pthread6.core + +daemon sh -c "(cd $here/../testcases/swap; ./swap -t 2m -i 20 -k)" +rnd=`od -An -N1 -t u1 /dev/urandom | sed 's/ //g'` +sleep $((rnd % 10)) +for i in `jot 50`; do + /tmp/pthread6 +done +killall -q swap + +rm -f /tmp/pthread6 /tmp/pthread6.core +exit 0 +EOF +/* + * Threaded producer-consumer test. + * Loosly based on work by + * Andrey Zonov (c) 2012 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef __FreeBSD__ +#include +#define __NP__ +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +#define LOCK(x) plock(&x.mtx) +#define UNLOCK(x) punlock(&x.mtx) +#define SIGNAL(x) psig(&x.wait) +#define WAIT(x) pwait(&x.wait, &x.mtx) + +#define PARALLEL 4 +#define LOOPS 2 + +long ncreate, nrename, nunlink; +int bench, max; +char *dirname1; +char *dirname2; + +struct file { + char *name; + STAILQ_ENTRY(file) next; +}; + +struct files { + pthread_mutex_t mtx; + pthread_cond_t wait; + STAILQ_HEAD(, file) list; +}; + +static struct files newfiles; +static struct files renamedfiles; + + +static void +hand(int i __unused) { /* handler */ +} + +static void +ahand(int i __unused) { /* handler */ + abort(); +} + +void +plock(pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_mutex_lock(l)) != 0) + errc(1, rc, "pthread_mutex_lock"); +} + +void +punlock(pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_mutex_unlock(l)) != 0) + errc(1, rc, "pthread_mutex_unlock"); +} + +void +psig(pthread_cond_t *c) +{ + int rc; + + if ((rc = pthread_cond_signal(c)) != 0) + errc(1, rc, "pthread_cond_signal"); +} + +void +pwait(pthread_cond_t *c, pthread_mutex_t *l) +{ + int rc; + + if ((rc = pthread_cond_wait(c, l)) != 0) + errc(1, rc, "pthread_cond_wait"); +} + +void * +loop_create(void *arg __unused) +{ + int i, j; + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + for (i = 0; i < max; i++) { + file = malloc(sizeof(*file)); + asprintf(&file->name, "%s/filename_too-long:%d", dirname1, i); + LOCK(newfiles); + STAILQ_INSERT_TAIL(&newfiles.list, file, next); + ncreate++; + UNLOCK(newfiles); + SIGNAL(newfiles); + if ((bench == 0) && (i > 0) && (i % 100000 == 0)) + for (j = 0; j < 10 && ncreate != nrename; j++) + usleep(400); + } + return (NULL); +} + +void * +loop_rename(void *arg __unused) +{ + char *filename, *newname; + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + while (nrename < max) { + LOCK(newfiles); + while (STAILQ_EMPTY(&newfiles.list)) { + WAIT(newfiles); + } + file = STAILQ_FIRST(&newfiles.list); + STAILQ_REMOVE_HEAD(&newfiles.list, next); + UNLOCK(newfiles); + filename = strrchr(file->name, '/'); + asprintf(&newname, "%s/%s", dirname2, filename); + nrename++; + free(file->name); + file->name = newname; + LOCK(renamedfiles); + STAILQ_INSERT_TAIL(&renamedfiles.list, file, next); + UNLOCK(renamedfiles); + SIGNAL(renamedfiles); + } + return (NULL); +} + +void * +loop_unlink(void *arg __unused) +{ + struct file *file; + +#ifdef __NP__ + pthread_set_name_np(pthread_self(), __func__); +#endif + + while (nunlink < max) { + LOCK(renamedfiles); + while (STAILQ_EMPTY(&renamedfiles.list)) { + WAIT(renamedfiles); + } + file = STAILQ_FIRST(&renamedfiles.list); + STAILQ_REMOVE_HEAD(&renamedfiles.list, next); + nunlink++; + UNLOCK(renamedfiles); + free(file->name); + free(file); + } + return (NULL); +} + +void +test(void) +{ + int i; + int rc; + pthread_t tid[3]; + pthread_mutexattr_t attr, *pattr = NULL; + + bench = getenv("bench") != NULL; + bench = 1; + asprintf(&dirname1, "%s.1", "f1"); + asprintf(&dirname2, "%s.2", "f2"); + max = 15000000; + + STAILQ_INIT(&newfiles.list); + STAILQ_INIT(&renamedfiles.list); + + pthread_mutexattr_init (&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); + pattr = &attr; + if ((rc = pthread_mutex_init(&newfiles.mtx, pattr)) != 0) + errc(1, rc, "pthread_mutex_init()"); + if ((rc = pthread_cond_init(&newfiles.wait, NULL)) != 0) + errc(1, rc, "pthread_cond_init()"); + if ((rc = pthread_mutex_init(&renamedfiles.mtx, NULL)) != 0) + errc(1, rc, "pthread_mutex_init()"); + if ((rc = pthread_cond_init(&renamedfiles.wait, NULL)) != 0) + errc(1, rc, "pthread_cond_init()"); + + signal(SIGINFO, hand); + signal(SIGALRM, ahand); + if ((rc = pthread_create(&tid[0], NULL, loop_create, NULL)) != 0) + errc(1, rc, "pthread_create()"); + if ((rc = pthread_create(&tid[1], NULL, loop_rename, NULL)) != 0) + errc(1, rc, "pthread_create()"); + if ((rc = pthread_create(&tid[2], NULL, loop_unlink, NULL)) != 0) + errc(1, rc, "pthread_create()"); + + usleep(1000); *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***