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Oops, for uniprocessor systems these need to yield more often because 

the threads don't get forced off the CPU.
This commit is contained in:
ad 2007-02-05 22:48:01 +00:00
parent 21f5afe6b9
commit 8d344bc387
3 changed files with 17 additions and 7 deletions
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12
regress/sys/kern/mutex1/test_mutex1.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: test_mutex1.c,v 1.2 2007/02/05 20:20:48 ad Exp $ */
/* $NetBSD: test_mutex1.c,v 1.3 2007/02/05 22:48:01 ad Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: test_mutex1.c,v 1.2 2007/02/05 20:20:48 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: test_mutex1.c,v 1.3 2007/02/05 22:48:01 ad Exp $");
#include <sys/param.h>
#include <sys/ioctl.h>
@ -100,10 +100,12 @@ thread1(void *cookie)
for (count = 0; !test_exit; count++) {
mutex_enter(&test_mutex);
KERNEL_LOCK(1, curlwp);
if ((count & 1023) == 0)
if ((count % 11) == 0)
yield();
mutex_exit(&test_mutex);
KERNEL_UNLOCK_ONE(curlwp);
if ((count % 17) == 0)
yield();
}
thread_exit(nlocks);
@ -126,6 +128,8 @@ thread2(void *cookie)
yield();
KERNEL_UNLOCK_ONE(curlwp);
mutex_exit(&test_mutex);
if ((count % 19) == 0)
yield();
}
thread_exit(nlocks);
@ -147,6 +151,8 @@ thread3(void *cookie)
if ((count % 101) == 0)
yield();
mutex_exit(&test_mutex);
if ((count % 23) == 0)
yield();
}
thread_exit(nlocks);

6
regress/sys/kern/mutex2/test_mutex2.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: test_mutex2.c,v 1.2 2007/02/05 20:20:48 ad Exp $ */
/* $NetBSD: test_mutex2.c,v 1.3 2007/02/05 22:48:02 ad Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: test_mutex2.c,v 1.2 2007/02/05 20:20:48 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: test_mutex2.c,v 1.3 2007/02/05 22:48:02 ad Exp $");
#include <sys/param.h>
#include <sys/ioctl.h>
@ -108,6 +108,8 @@ thread1(void *cookie)
if ((count % *(int *)cookie) == 0)
yield();
mutex_exit(&test_mutex);
if ((count % curproc->p_pid) == 0)
yield();
}
thread_exit(nlocks);

6
regress/sys/kern/rwlock1/test_rwlock1.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: test_rwlock1.c,v 1.3 2007/02/05 20:20:48 ad Exp $ */
/* $NetBSD: test_rwlock1.c,v 1.4 2007/02/05 22:48:02 ad Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: test_rwlock1.c,v 1.3 2007/02/05 20:20:48 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: test_rwlock1.c,v 1.4 2007/02/05 22:48:02 ad Exp $");
#include <sys/param.h>
#include <sys/ioctl.h>
@ -113,6 +113,8 @@ thread1(void *cookie)
if ((arc4random() % 11) == 0)
yield();
rw_exit(&test_rwlock);
if ((arc4random() % 23) == 0)
yield();
}
thread_exit(nlocks);