linux32_sysinfo.c revision 1.1.10.4 1 1.1.10.4 yamt /* $NetBSD: linux32_sysinfo.c,v 1.1.10.4 2007/09/03 14:32:31 yamt Exp $ */
2 1.1.10.2 yamt
3 1.1.10.2 yamt /*-
4 1.1.10.2 yamt * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5 1.1.10.2 yamt *
6 1.1.10.2 yamt * Redistribution and use in source and binary forms, with or without
7 1.1.10.2 yamt * modification, are permitted provided that the following conditions
8 1.1.10.2 yamt * are met:
9 1.1.10.2 yamt * 1. Redistributions of source code must retain the above copyright
10 1.1.10.2 yamt * notice, this list of conditions and the following disclaimer.
11 1.1.10.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
12 1.1.10.2 yamt * notice, this list of conditions and the following disclaimer in the
13 1.1.10.2 yamt * documentation and/or other materials provided with the distribution.
14 1.1.10.2 yamt * 3. All advertising materials mentioning features or use of this software
15 1.1.10.2 yamt * must display the following acknowledgement:
16 1.1.10.2 yamt * This product includes software developed by Emmanuel Dreyfus
17 1.1.10.2 yamt * 4. The name of the author may not be used to endorse or promote
18 1.1.10.2 yamt * products derived from this software without specific prior written
19 1.1.10.2 yamt * permission.
20 1.1.10.2 yamt *
21 1.1.10.2 yamt * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22 1.1.10.2 yamt * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 1.1.10.2 yamt * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 1.1.10.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25 1.1.10.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 1.1.10.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 1.1.10.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 1.1.10.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 1.1.10.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 1.1.10.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 1.1.10.2 yamt * POSSIBILITY OF SUCH DAMAGE.
32 1.1.10.2 yamt */
33 1.1.10.2 yamt
34 1.1.10.2 yamt #include <sys/cdefs.h>
35 1.1.10.2 yamt
36 1.1.10.4 yamt __KERNEL_RCSID(0, "$NetBSD: linux32_sysinfo.c,v 1.1.10.4 2007/09/03 14:32:31 yamt Exp $");
37 1.1.10.2 yamt
38 1.1.10.2 yamt #include <sys/types.h>
39 1.1.10.2 yamt #include <sys/param.h>
40 1.1.10.2 yamt #include <sys/kernel.h>
41 1.1.10.2 yamt #include <sys/dirent.h>
42 1.1.10.4 yamt #include <sys/proc.h>
43 1.1.10.2 yamt
44 1.1.10.2 yamt #include <sys/syscallargs.h>
45 1.1.10.2 yamt
46 1.1.10.2 yamt #include <uvm/uvm_extern.h>
47 1.1.10.2 yamt
48 1.1.10.2 yamt #include <compat/netbsd32/netbsd32.h>
49 1.1.10.2 yamt #include <compat/netbsd32/netbsd32_conv.h>
50 1.1.10.2 yamt #include <compat/netbsd32/netbsd32_syscallargs.h>
51 1.1.10.2 yamt
52 1.1.10.2 yamt #include <compat/linux/common/linux_types.h>
53 1.1.10.2 yamt #include <compat/linux/common/linux_signal.h>
54 1.1.10.2 yamt #include <compat/linux/common/linux_misc.h>
55 1.1.10.2 yamt #include <compat/linux/linux_syscallargs.h>
56 1.1.10.2 yamt
57 1.1.10.2 yamt #include <compat/linux32/common/linux32_types.h>
58 1.1.10.2 yamt #include <compat/linux32/common/linux32_signal.h>
59 1.1.10.2 yamt #include <compat/linux32/linux32_syscallargs.h>
60 1.1.10.2 yamt
61 1.1.10.2 yamt /* ARGSUSED */
62 1.1.10.2 yamt int
63 1.1.10.2 yamt linux32_sys_sysinfo(l, v, retval)
64 1.1.10.2 yamt struct lwp *l;
65 1.1.10.2 yamt void *v;
66 1.1.10.2 yamt register_t *retval;
67 1.1.10.2 yamt {
68 1.1.10.2 yamt struct linux32_sys_sysinfo_args /* {
69 1.1.10.2 yamt syscallarg(struct linux32_sysinfo *) arg;
70 1.1.10.2 yamt } */ *uap = v;
71 1.1.10.2 yamt struct linux32_sysinfo si;
72 1.1.10.2 yamt struct loadavg *la;
73 1.1.10.2 yamt
74 1.1.10.2 yamt si.uptime = time_uptime;
75 1.1.10.2 yamt la = &averunnable;
76 1.1.10.2 yamt si.loads[0] = la->ldavg[0] * LINUX_SYSINFO_LOADS_SCALE / la->fscale;
77 1.1.10.2 yamt si.loads[1] = la->ldavg[1] * LINUX_SYSINFO_LOADS_SCALE / la->fscale;
78 1.1.10.2 yamt si.loads[2] = la->ldavg[2] * LINUX_SYSINFO_LOADS_SCALE / la->fscale;
79 1.1.10.2 yamt si.totalram = ctob((u_long)physmem);
80 1.1.10.2 yamt si.freeram = (u_long)uvmexp.free * uvmexp.pagesize;
81 1.1.10.2 yamt si.sharedram = 0; /* XXX */
82 1.1.10.2 yamt si.bufferram = (u_long)uvmexp.filepages * uvmexp.pagesize;
83 1.1.10.2 yamt si.totalswap = (u_long)uvmexp.swpages * uvmexp.pagesize;
84 1.1.10.2 yamt si.freeswap =
85 1.1.10.2 yamt (u_long)(uvmexp.swpages - uvmexp.swpginuse) * uvmexp.pagesize;
86 1.1.10.2 yamt si.procs = nprocs;
87 1.1.10.2 yamt
88 1.1.10.2 yamt /* The following are only present in newer Linux kernels. */
89 1.1.10.2 yamt si.totalbig = 0;
90 1.1.10.2 yamt si.freebig = 0;
91 1.1.10.2 yamt si.mem_unit = 1;
92 1.1.10.2 yamt
93 1.1.10.4 yamt return (copyout(&si, SCARG_P32(uap, arg), sizeof si));
94 1.1.10.2 yamt }
95 1.1.10.2 yamt
96