127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/* $NetBSD: procfs_linux.c,v 1.2 2001/01/18 16:39:43 tv Exp $ */
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/*
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* Copyright (c) 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Frank van der Linden for Wasabi Systems, Inc.
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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 for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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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/param.h>
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#include <sys/systm.h>
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#include <sys/time.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/vnode.h>
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#include <miscfs/procfs/procfs.h>
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#include <uvm/uvm_extern.h>
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#define PGTOB(p) ((unsigned long)(p) << PAGE_SHIFT)
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#define PGTOKB(p) ((unsigned long)(p) << (PAGE_SHIFT - 10))
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/*
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* Linux compatible /proc/meminfo. Only active when the -o linux
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* mountflag is used.
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*/
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int
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procfs_domeminfo(struct proc *curp, struct proc *p, struct pfsnode *pfs,
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struct uio *uio)
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{
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char buf[512], *cp;
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int len, error;
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len = snprintf(buf, sizeof buf,
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" total: used: free: shared: buffers: cached:\n"
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"Mem: %8lu %8lu %8lu %8lu %8lu %8lu\n"
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"Swap: %8lu %8lu %8lu\n"
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"MemTotal: %8lu kB\n"
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"MemFree: %8lu kB\n"
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"MemShared: %8lu kB\n"
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"Buffers: %8lu kB\n"
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"Cached: %8lu kB\n"
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"SwapTotal: %8lu kB\n"
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"SwapFree: %8lu kB\n",
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PGTOB(uvmexp.npages),
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PGTOB(uvmexp.npages - uvmexp.free),
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PGTOB(uvmexp.free),
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0L,
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PGTOB(uvmexp.vnodepages),
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PGTOB(uvmexp.anonpages + uvmexp.vnodepages + uvmexp.vtextpages),
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PGTOB(uvmexp.swpages),
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PGTOB(uvmexp.swpginuse),
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PGTOB(uvmexp.swpages - uvmexp.swpginuse),
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PGTOKB(uvmexp.npages),
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PGTOKB(uvmexp.free),
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0L,
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PGTOKB(uvmexp.vnodepages),
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PGTOKB(uvmexp.anonpages + uvmexp.vnodepages +uvmexp.vtextpages),
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PGTOKB(uvmexp.swpages),
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PGTOKB(uvmexp.swpages - uvmexp.swpginuse));
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if (len == 0)
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return 0;
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len -= uio->uio_offset;
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cp = buf + uio->uio_offset;
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len = imin(len, uio->uio_resid);
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if (len <= 0)
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error = 0;
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else
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error = uiomove(cp, len, uio);
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return error;
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}
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int
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procfs_docpuinfo(struct proc *curp, struct proc *p, struct pfsnode *pfs,
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struct uio *uio)
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{
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char buf[512], *cp;
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int len, error;
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len = sizeof buf;
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if (procfs_getcpuinfstr(buf, &len) < 0)
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return EIO;
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if (len == 0)
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return 0;
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len -= uio->uio_offset;
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cp = buf + uio->uio_offset;
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len = imin(len, uio->uio_resid);
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if (len <= 0)
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error = 0;
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else
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error = uiomove(cp, len, uio);
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return error;
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}
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