tests/rump/rumpkern/t_vm.c

   1 /*      $NetBSD: t_vm.c,v 1.3 2012/03/17 18:00:28 hannken 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 }