svn commit: r263683 - user/pho/stress2/misc
Peter Holm
pho at FreeBSD.org
Mon Mar 24 11:54:01 UTC 2014
Author: pho
Date: Mon Mar 24 11:54:00 2014
New Revision: 263683
URL: http://svnweb.freebsd.org/changeset/base/263683
Log:
Added a new pthreads scenario.
Sponsored by: EMC / Isilon storage division
Added:
user/pho/stress2/misc/pthread2.sh (contents, props changed)
Added: user/pho/stress2/misc/pthread2.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/pthread2.sh Mon Mar 24 11:54:00 2014 (r263683)
@@ -0,0 +1,293 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# Threaded producer-consumer test.
+
+export LANG=C
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > pthread2.c
+cc -o pthread2 -Wall -Wextra -O2 -g pthread2.c -lpthread || exit 1
+rm -f pthread2.c
+
+log=/tmp/bench.`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/pthread2 &
+ done
+ for i in `jot 8`; do
+ wait
+ done
+ '
+done > $log 2>&1
+rm -f /tmp/pthread2
+
+if [ -n "$bench" ]; then
+ pair=`ls /tmp/bench* | egrep "bench\.[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 <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/queue.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#ifdef __FreeBSD__
+#include <pthread_np.h>
+#define __NP__
+#endif
+#include <sched.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#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);
+ 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 ((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];
+
+ 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);
+
+ return (0);
+}
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