1/*	$NetBSD: t_vm.c,v 1.7 2023/04/11 18:23:42 kre 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#if 0
54	atf_tc_expect_fail("test bug: unbusies an uninitialized page");
55#endif
56	atf_tc_skip("this test is buggy and hits an assertion, but atf doesn't provide any way to expect that a test program crashes, thus all we can do is skip");
57	rump_init();
58
59	rump_schedule();
60	rumptest_busypage();
61	rump_unschedule();
62}
63
64ATF_TC(uvmwait);
65ATF_TC_HEAD(uvmwait, tc)
66{
67
68	atf_tc_set_md_var(tc, "descr", "Tests that uvm_wait works");
69	atf_tc_set_md_var(tc, "timeout", "30");
70}
71
72#define UVMWAIT_LIMIT 1024*1024
73ATF_TC_BODY(uvmwait, tc)
74{
75	char buf[64];
76
77	/* limit rump kernel memory */
78	snprintf(buf, sizeof(buf), "%d", UVMWAIT_LIMIT);
79	setenv("RUMP_MEMLIMIT", buf, 1);
80
81	rump_init();
82
83	rump_schedule();
84	rumptest_alloc(UVMWAIT_LIMIT);
85	rump_unschedule();
86}
87
88ATF_TP_ADD_TCS(tp)
89{
90
91	ATF_TP_ADD_TC(tp, busypage);
92	ATF_TP_ADD_TC(tp, uvmwait);
93
94	return atf_no_error();
95}
96