xref: /freebsd/contrib/netbsd-tests/rump/rumpkern/t_vm.c (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
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 
43 ATF_TC(busypage);
44 ATF_TC_HEAD(busypage, tc)
45 {
46 
47 	atf_tc_set_md_var(tc, "descr", "Checks VM pagewaits work");
48 }
49 
50 ATF_TC_BODY(busypage, tc)
51 {
52 
53 	rump_init();
54 
55 	rump_schedule();
56 	rumptest_busypage();
57 	rump_unschedule();
58 }
59 
60 ATF_TC(uvmwait);
61 ATF_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
69 ATF_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 
84 ATF_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