96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
/* $NetBSD: linux32_sysinfo.c,v 1.4 2007/07/21 23:39:46 xtraeme Exp $ */
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/*-
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* Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Emmanuel Dreyfus
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* 4. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: linux32_sysinfo.c,v 1.4 2007/07/21 23:39:46 xtraeme Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/dirent.h>
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#include <sys/proc.h>
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#include <sys/syscallargs.h>
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#include <uvm/uvm_extern.h>
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#include <compat/netbsd32/netbsd32.h>
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#include <compat/netbsd32/netbsd32_conv.h>
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#include <compat/netbsd32/netbsd32_syscallargs.h>
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#include <compat/linux/common/linux_types.h>
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#include <compat/linux/common/linux_signal.h>
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#include <compat/linux/common/linux_misc.h>
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#include <compat/linux/linux_syscallargs.h>
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#include <compat/linux32/common/linux32_types.h>
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#include <compat/linux32/common/linux32_signal.h>
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#include <compat/linux32/linux32_syscallargs.h>
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/* ARGSUSED */
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int
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linux32_sys_sysinfo(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_sysinfo_args /* {
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syscallarg(struct linux32_sysinfo *) arg;
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} */ *uap = v;
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struct linux32_sysinfo si;
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struct loadavg *la;
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si.uptime = time_uptime;
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la = &averunnable;
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si.loads[0] = la->ldavg[0] * LINUX_SYSINFO_LOADS_SCALE / la->fscale;
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si.loads[1] = la->ldavg[1] * LINUX_SYSINFO_LOADS_SCALE / la->fscale;
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si.loads[2] = la->ldavg[2] * LINUX_SYSINFO_LOADS_SCALE / la->fscale;
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si.totalram = ctob((u_long)physmem);
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si.freeram = (u_long)uvmexp.free * uvmexp.pagesize;
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si.sharedram = 0; /* XXX */
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si.bufferram = (u_long)uvmexp.filepages * uvmexp.pagesize;
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si.totalswap = (u_long)uvmexp.swpages * uvmexp.pagesize;
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si.freeswap =
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(u_long)(uvmexp.swpages - uvmexp.swpginuse) * uvmexp.pagesize;
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si.procs = nprocs;
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/* The following are only present in newer Linux kernels. */
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si.totalbig = 0;
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si.freebig = 0;
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si.mem_unit = 1;
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return (copyout(&si, SCARG_P32(uap, arg), sizeof si));
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}
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