548 lines
16 KiB
C
548 lines
16 KiB
C
/*
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* Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
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* Copyright (c) 1999 Pierre Beyssac
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* Copyright (c) 1993 Jan-Simon Pendry
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry.
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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 the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/blist.h>
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#include <sys/dkstat.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/resourcevar.h>
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#include <sys/sbuf.h>
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#include <sys/systm.h>
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#include <sys/tty.h>
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#include <sys/vnode.h>
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#include <sys/jail.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <vm/vm_map.h>
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#include <vm/vm_param.h>
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#include <vm/vm_object.h>
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#include <vm/vm_zone.h>
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#include <vm/swap_pager.h>
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#include <sys/exec.h>
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#include <sys/user.h>
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#include <sys/vmmeter.h>
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#include <machine/clock.h>
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#include <machine/cputypes.h>
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#include <machine/md_var.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linprocfs/linprocfs.h>
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/*
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* Various conversion macros
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*/
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#define T2J(x) (((x) * 100) / (stathz ? stathz : hz)) /* ticks to jiffies */
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#define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */
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#define B2K(x) ((x) >> 10) /* bytes to kbytes */
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#define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */
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#define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */
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#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */
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int
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linprocfs_domeminfo(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct sbuf sb;
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char *ps;
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int r, xlen;
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unsigned long memtotal; /* total memory in bytes */
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unsigned long memused; /* used memory in bytes */
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unsigned long memfree; /* free memory in bytes */
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unsigned long memshared; /* shared memory ??? */
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unsigned long buffers, cached; /* buffer / cache memory ??? */
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unsigned long swaptotal; /* total swap space in bytes */
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unsigned long swapused; /* used swap space in bytes */
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unsigned long swapfree; /* free swap space in bytes */
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vm_object_t object;
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if (uio->uio_rw != UIO_READ)
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return (EOPNOTSUPP);
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memtotal = physmem * PAGE_SIZE;
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/*
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* The correct thing here would be:
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*
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memfree = cnt.v_free_count * PAGE_SIZE;
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memused = memtotal - memfree;
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*
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* but it might mislead linux binaries into thinking there
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* is very little memory left, so we cheat and tell them that
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* all memory that isn't wired down is free.
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*/
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memused = cnt.v_wire_count * PAGE_SIZE;
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memfree = memtotal - memused;
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if (swapblist == NULL) {
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swaptotal = 0;
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swapfree = 0;
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} else {
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swaptotal = swapblist->bl_blocks * 1024; /* XXX why 1024? */
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swapfree = swapblist->bl_root->u.bmu_avail * PAGE_SIZE;
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}
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swapused = swaptotal - swapfree;
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memshared = 0;
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TAILQ_FOREACH(object, &vm_object_list, object_list)
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if (object->shadow_count > 1)
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memshared += object->resident_page_count;
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memshared *= PAGE_SIZE;
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/*
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* We'd love to be able to write:
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*
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buffers = bufspace;
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*
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* but bufspace is internal to vfs_bio.c and we don't feel
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* like unstaticizing it just for linprocfs's sake.
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*/
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buffers = 0;
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cached = cnt.v_cache_count * PAGE_SIZE;
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sbuf_new(&sb, NULL, 512, 0);
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sbuf_printf(&sb,
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" total: used: free: shared: buffers: cached:\n"
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"Mem: %lu %lu %lu %lu %lu %lu\n"
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"Swap: %lu %lu %lu\n"
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"MemTotal: %9lu kB\n"
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"MemFree: %9lu kB\n"
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"MemShared:%9lu kB\n"
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"Buffers: %9lu kB\n"
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"Cached: %9lu kB\n"
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"SwapTotal:%9lu kB\n"
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"SwapFree: %9lu kB\n",
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memtotal, memused, memfree, memshared, buffers, cached,
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swaptotal, swapused, swapfree,
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B2K(memtotal), B2K(memfree),
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B2K(memshared), B2K(buffers), B2K(cached),
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B2K(swaptotal), B2K(swapfree));
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sbuf_finish(&sb);
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ps = sbuf_data(&sb) + uio->uio_offset;
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xlen = sbuf_len(&sb) - uio->uio_offset;
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xlen = imin(xlen, uio->uio_resid);
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r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
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sbuf_delete(&sb);
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return r;
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}
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int
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linprocfs_docpuinfo(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct sbuf sb;
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char *ps;
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int r, xlen;
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int class, i, fqmhz, fqkhz;
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/*
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* We default the flags to include all non-conflicting flags,
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* and the Intel versions of conflicting flags.
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*/
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static char *flags[] = {
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"fpu", "vme", "de", "pse", "tsc",
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"msr", "pae", "mce", "cx8", "apic",
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"sep", "sep", "mtrr", "pge", "mca",
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"cmov", "pat", "pse36", "pn", "b19",
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"b20", "b21", "mmxext", "mmx", "fxsr",
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"xmm", "b26", "b27", "b28", "b29",
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"3dnowext", "3dnow"
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};
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if (uio->uio_rw != UIO_READ)
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return (EOPNOTSUPP);
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switch (cpu_class) {
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case CPUCLASS_286:
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class = 2;
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break;
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case CPUCLASS_386:
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class = 3;
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break;
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case CPUCLASS_486:
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class = 4;
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break;
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case CPUCLASS_586:
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class = 5;
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break;
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case CPUCLASS_686:
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class = 6;
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break;
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default:
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class = 0;
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break;
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}
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sbuf_new(&sb, NULL, 512, 0);
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sbuf_printf(&sb,
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"processor\t: %d\n"
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"vendor_id\t: %.20s\n"
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"cpu family\t: %d\n"
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"model\t\t: %d\n"
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"stepping\t: %d\n",
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0, cpu_vendor, class, cpu, cpu_id & 0xf);
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sbuf_cat(&sb,
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"flags\t\t:");
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if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) {
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flags[16] = "fcmov";
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} else if (!strcmp(cpu_vendor, "CyrixInstead")) {
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flags[24] = "cxmmx";
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}
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for (i = 0; i < 32; i++)
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if (cpu_feature & (1 << i))
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sbuf_printf(&sb, " %s", flags[i]);
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sbuf_cat(&sb, "\n");
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if (class >= 5) {
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fqmhz = (tsc_freq + 4999) / 1000000;
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fqkhz = ((tsc_freq + 4999) / 10000) % 100;
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sbuf_printf(&sb,
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"cpu MHz\t\t: %d.%02d\n"
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"bogomips\t: %d.%02d\n",
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fqmhz, fqkhz, fqmhz, fqkhz);
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}
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sbuf_finish(&sb);
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ps = sbuf_data(&sb) + uio->uio_offset;
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xlen = sbuf_len(&sb) - uio->uio_offset;
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xlen = imin(xlen, uio->uio_resid);
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r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
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sbuf_delete(&sb);
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return r;
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}
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int
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linprocfs_dostat(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct sbuf sb;
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char *ps;
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int r, xlen;
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sbuf_new(&sb, NULL, 512, 0);
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sbuf_printf(&sb,
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"cpu %ld %ld %ld %ld\n"
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"disk 0 0 0 0\n"
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"page %u %u\n"
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"swap %u %u\n"
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"intr %u\n"
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"ctxt %u\n"
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"btime %ld\n",
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T2J(cp_time[CP_USER]),
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T2J(cp_time[CP_NICE]),
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T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/),
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T2J(cp_time[CP_IDLE]),
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cnt.v_vnodepgsin,
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cnt.v_vnodepgsout,
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cnt.v_swappgsin,
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cnt.v_swappgsout,
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cnt.v_intr,
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cnt.v_swtch,
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boottime.tv_sec);
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sbuf_finish(&sb);
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ps = sbuf_data(&sb) + uio->uio_offset;
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xlen = sbuf_len(&sb) - uio->uio_offset;
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xlen = imin(xlen, uio->uio_resid);
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r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
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sbuf_delete(&sb);
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return r;
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}
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int
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linprocfs_douptime(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct sbuf sb;
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char *ps;
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int r, xlen;
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struct timeval tv;
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getmicrouptime(&tv);
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sbuf_new(&sb, NULL, 64, 0);
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sbuf_printf(&sb, "%ld.%02ld %ld.%02ld\n",
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tv.tv_sec, tv.tv_usec / 10000,
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T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100);
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sbuf_finish(&sb);
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ps = sbuf_data(&sb) + uio->uio_offset;
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xlen = sbuf_len(&sb) - uio->uio_offset;
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xlen = imin(xlen, uio->uio_resid);
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r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
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sbuf_delete(&sb);
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return r;
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}
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int
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linprocfs_doversion(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct sbuf sb;
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char *ps;
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int r, xlen;
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sbuf_new(&sb, NULL, 128, 0);
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sbuf_printf(&sb,
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"%s version %s (des@freebsd.org) (gcc version " __VERSION__ ")"
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" #4 Sun Dec 18 04:30:00 CET 1977\n",
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linux_get_osname(curp),
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linux_get_osrelease(curp));
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sbuf_finish(&sb);
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ps = sbuf_data(&sb) + uio->uio_offset;
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xlen = sbuf_len(&sb) - uio->uio_offset;
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xlen = imin(xlen, uio->uio_resid);
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r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
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sbuf_delete(&sb);
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return r;
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}
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int
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linprocfs_doprocstat(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct kinfo_proc kp;
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struct sbuf sb;
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char *ps;
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int r, xlen;
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fill_kinfo_proc(p, &kp);
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sbuf_new(&sb, NULL, 1024, 0);
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sbuf_printf(&sb, "%d", p->p_pid);
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#define PS_ADD(name, fmt, arg) sbuf_printf(&sb, " " fmt, arg)
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PS_ADD("comm", "(%s)", p->p_comm);
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PS_ADD("statr", "%c", '0'); /* XXX */
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PROC_LOCK(p);
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PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
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PROC_UNLOCK(p);
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PS_ADD("pgrp", "%d", p->p_pgid);
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PS_ADD("session", "%d", p->p_session->s_sid);
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PS_ADD("tty", "%d", 0); /* XXX */
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PS_ADD("tpgid", "%d", 0); /* XXX */
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PS_ADD("flags", "%u", 0); /* XXX */
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PS_ADD("minflt", "%u", 0); /* XXX */
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PS_ADD("cminflt", "%u", 0); /* XXX */
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PS_ADD("majflt", "%u", 0); /* XXX */
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PS_ADD("cminflt", "%u", 0); /* XXX */
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PS_ADD("utime", "%d", 0); /* XXX */
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PS_ADD("stime", "%d", 0); /* XXX */
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PS_ADD("cutime", "%d", 0); /* XXX */
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PS_ADD("cstime", "%d", 0); /* XXX */
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PS_ADD("counter", "%d", 0); /* XXX */
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PS_ADD("priority", "%d", 0); /* XXX */
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PS_ADD("timeout", "%u", 0); /* XXX */
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PS_ADD("itrealvalue", "%u", 0); /* XXX */
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PS_ADD("starttime", "%d", 0); /* XXX */
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PS_ADD("vsize", "%u", kp.ki_size);
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PS_ADD("rss", "%u", P2K(kp.ki_rssize));
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PS_ADD("rlim", "%u", 0); /* XXX */
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PS_ADD("startcode", "%u", (unsigned)0);
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PS_ADD("endcode", "%u", 0); /* XXX */
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PS_ADD("startstack", "%u", 0); /* XXX */
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PS_ADD("esp", "%u", 0); /* XXX */
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PS_ADD("eip", "%u", 0); /* XXX */
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PS_ADD("signal", "%d", 0); /* XXX */
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PS_ADD("blocked", "%d", 0); /* XXX */
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PS_ADD("sigignore", "%d", 0); /* XXX */
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PS_ADD("sigcatch", "%d", 0); /* XXX */
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PS_ADD("wchan", "%u", 0); /* XXX */
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PS_ADD("nswap", "%lu", (long unsigned)0); /* XXX */
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PS_ADD("cnswap", "%lu", (long unsigned)0); /* XXX */
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PS_ADD("exitsignal", "%d", 0); /* XXX */
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PS_ADD("processor", "%d", 0); /* XXX */
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#undef PS_ADD
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sbuf_putc(&sb, '\n');
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sbuf_finish(&sb);
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ps = sbuf_data(&sb) + uio->uio_offset;
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xlen = sbuf_len(&sb) - uio->uio_offset;
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xlen = imin(xlen, uio->uio_resid);
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r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
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sbuf_delete(&sb);
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return r;
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}
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/*
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* Map process state to descriptive letter. Note that this does not
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* quite correspond to what Linux outputs, but it's close enough.
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*/
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static char *state_str[] = {
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"? (unknown)",
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"I (idle)",
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"R (running)",
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"S (sleeping)",
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"T (stopped)",
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"Z (zombie)",
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"W (waiting)",
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"M (mutex)"
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};
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int
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linprocfs_doprocstatus(curp, p, pfs, uio)
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struct proc *curp;
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struct proc *p;
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struct pfsnode *pfs;
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struct uio *uio;
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{
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struct kinfo_proc kp;
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struct sbuf sb;
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char *ps;
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char *state;
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int i, r, xlen;
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segsz_t lsize;
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sbuf_new(&sb, NULL, 1024, 0);
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mtx_lock_spin(&sched_lock);
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if (p->p_stat > sizeof state_str / sizeof *state_str)
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state = state_str[0];
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else
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state = state_str[(int)p->p_stat];
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mtx_unlock_spin(&sched_lock);
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fill_kinfo_proc(p, &kp);
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sbuf_printf(&sb, "Name:\t%s\n", p->p_comm); /* XXX escape */
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sbuf_printf(&sb, "State:\t%s\n", state);
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/*
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* Credentials
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*/
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sbuf_printf(&sb, "Pid:\t%d\n", p->p_pid);
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PROC_LOCK(p);
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sbuf_printf(&sb, "PPid:\t%d\n", p->p_pptr ?
|
|
p->p_pptr->p_pid : 0);
|
|
sbuf_printf(&sb, "Uid:\t%d %d %d %d\n", p->p_cred->p_ruid,
|
|
p->p_ucred->cr_uid,
|
|
p->p_cred->p_svuid,
|
|
/* FreeBSD doesn't have fsuid */
|
|
p->p_ucred->cr_uid);
|
|
sbuf_printf(&sb, "Gid:\t%d %d %d %d\n", p->p_cred->p_rgid,
|
|
p->p_ucred->cr_gid,
|
|
p->p_cred->p_svgid,
|
|
/* FreeBSD doesn't have fsgid */
|
|
p->p_ucred->cr_gid);
|
|
sbuf_cat(&sb, "Groups:\t");
|
|
for (i = 0; i < p->p_ucred->cr_ngroups; i++)
|
|
sbuf_printf(&sb, "%d ", p->p_ucred->cr_groups[i]);
|
|
PROC_UNLOCK(p);
|
|
sbuf_putc(&sb, '\n');
|
|
|
|
/*
|
|
* Memory
|
|
*
|
|
* While our approximation of VmLib may not be accurate (I
|
|
* don't know of a simple way to verify it, and I'm not sure
|
|
* it has much meaning anyway), I believe it's good enough.
|
|
*
|
|
* The same code that could (I think) accurately compute VmLib
|
|
* could also compute VmLck, but I don't really care enough to
|
|
* implement it. Submissions are welcome.
|
|
*/
|
|
sbuf_printf(&sb, "VmSize:\t%8u kB\n", B2K(kp.ki_size));
|
|
sbuf_printf(&sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */
|
|
sbuf_printf(&sb, "VmRss:\t%8u kB\n", P2K(kp.ki_rssize));
|
|
sbuf_printf(&sb, "VmData:\t%8u kB\n", P2K(kp.ki_dsize));
|
|
sbuf_printf(&sb, "VmStk:\t%8u kB\n", P2K(kp.ki_ssize));
|
|
sbuf_printf(&sb, "VmExe:\t%8u kB\n", P2K(kp.ki_tsize));
|
|
lsize = B2P(kp.ki_size) - kp.ki_dsize -
|
|
kp.ki_ssize - kp.ki_tsize - 1;
|
|
sbuf_printf(&sb, "VmLib:\t%8u kB\n", P2K(lsize));
|
|
|
|
/*
|
|
* Signal masks
|
|
*
|
|
* We support up to 128 signals, while Linux supports 32,
|
|
* but we only define 32 (the same 32 as Linux, to boot), so
|
|
* just show the lower 32 bits of each mask. XXX hack.
|
|
*
|
|
* NB: on certain platforms (Sparc at least) Linux actually
|
|
* supports 64 signals, but this code is a long way from
|
|
* running on anything but i386, so ignore that for now.
|
|
*/
|
|
PROC_LOCK(p);
|
|
sbuf_printf(&sb, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]);
|
|
/*
|
|
* I can't seem to find out where the signal mask is in
|
|
* relation to struct proc, so SigBlk is left unimplemented.
|
|
*/
|
|
sbuf_printf(&sb, "SigBlk:\t%08x\n", 0); /* XXX */
|
|
sbuf_printf(&sb, "SigIgn:\t%08x\n", p->p_sigignore.__bits[0]);
|
|
sbuf_printf(&sb, "SigCgt:\t%08x\n", p->p_sigcatch.__bits[0]);
|
|
PROC_UNLOCK(p);
|
|
|
|
/*
|
|
* Linux also prints the capability masks, but we don't have
|
|
* capabilities yet, and when we do get them they're likely to
|
|
* be meaningless to Linux programs, so we lie. XXX
|
|
*/
|
|
sbuf_printf(&sb, "CapInh:\t%016x\n", 0);
|
|
sbuf_printf(&sb, "CapPrm:\t%016x\n", 0);
|
|
sbuf_printf(&sb, "CapEff:\t%016x\n", 0);
|
|
|
|
sbuf_finish(&sb);
|
|
ps = sbuf_data(&sb) + uio->uio_offset;
|
|
xlen = sbuf_len(&sb) - uio->uio_offset;
|
|
xlen = imin(xlen, uio->uio_resid);
|
|
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
|
|
sbuf_delete(&sb);
|
|
return r;
|
|
}
|