t_vm.c revision 314817 
1/*	$NetBSD: t_vm.c,v 1.4 2017/01/13 21:30:43 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/types.h>
31#include <sys/mount.h>
32#include <sys/sysctl.h>
33
34#include <rump/rump.h>
35
36#include <atf-c.h>
37#include <stdio.h>
38#include <stdlib.h>
39
40#include "h_macros.h"
41#include "../kernspace/kernspace.h"
42
43ATF_TC(busypage);
44ATF_TC_HEAD(busypage, tc)
45{
46
47	atf_tc_set_md_var(tc, "descr", "Checks VM pagewaits work");
48}
49
50ATF_TC_BODY(busypage, tc)
51{
52
53	rump_init();
54
55	rump_schedule();
56	rumptest_busypage();
57	rump_unschedule();
58}
59
60ATF_TC(uvmwait);
61ATF_TC_HEAD(uvmwait, tc)
62{
63
64	atf_tc_set_md_var(tc, "descr", "Tests that uvm_wait works");
65	atf_tc_set_md_var(tc, "timeout", "30");
66}
67
68#define UVMWAIT_LIMIT 1024*1024
69ATF_TC_BODY(uvmwait, tc)
70{
71	char buf[64];
72
73	/* limit rump kernel memory */
74	snprintf(buf, sizeof(buf), "%d", UVMWAIT_LIMIT);
75	setenv("RUMP_MEMLIMIT", buf, 1);
76
77	rump_init();
78
79	rump_schedule();
80	rumptest_alloc(UVMWAIT_LIMIT);
81	rump_unschedule();
82}
83
84ATF_TP_ADD_TCS(tp)
85{
86
87	ATF_TP_ADD_TC(tp, busypage);
88	ATF_TP_ADD_TC(tp, uvmwait);
89
90	return atf_no_error();
91}
92