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
43 ATF_TC(busypage);
ATF_TC_HEAD(busypage,tc)44 ATF_TC_HEAD(busypage, tc)
45 {
46
47 atf_tc_set_md_var(tc, "descr", "Checks VM pagewaits work");
48 }
49
ATF_TC_BODY(busypage,tc)50 ATF_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
64 ATF_TC(uvmwait);
ATF_TC_HEAD(uvmwait,tc)65 ATF_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
ATF_TC_BODY(uvmwait,tc)73 ATF_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
ATF_TP_ADD_TCS(tp)88 ATF_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