1092 lines
28 KiB
C
1092 lines
28 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/blist.h>
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#include <sys/conf.h>
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#include <sys/exec.h>
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#include <sys/filedesc.h>
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#include <sys/jail.h>
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#include <sys/kernel.h>
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#include <sys/linker.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mount.h>
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#include <sys/mutex.h>
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#include <sys/namei.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/smp.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/systm.h>
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#include <sys/tty.h>
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#include <sys/user.h>
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#include <sys/vmmeter.h>
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#include <sys/vnode.h>
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#include <net/if.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/swap_pager.h>
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#include <machine/clock.h>
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#ifdef __alpha__
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#include <machine/alpha_cpu.h>
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#include <machine/cpuconf.h>
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#include <machine/rpb.h>
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extern int ncpus;
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#endif /* __alpha__ */
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#if defined(__i386__) || defined(__amd64__)
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#include <machine/cputypes.h>
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#include <machine/md_var.h>
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#endif /* __i386__ || __amd64__ */
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#include "opt_compat.h"
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#ifdef COMPAT_LINUX32 /* XXX */
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#include <machine/../linux32/linux.h>
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#else
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#include <machine/../linux/linux.h>
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#endif
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#include <compat/linux/linux_ioctl.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linux/linux_util.h>
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#include <fs/pseudofs/pseudofs.h>
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#include <fs/procfs/procfs.h>
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/*
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* Various conversion macros
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*/
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#define T2J(x) (((x) * 100UL) / (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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/*
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* Filler function for proc/meminfo
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*/
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static int
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linprocfs_domeminfo(PFS_FILL_ARGS)
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{
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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 long swaptotal; /* total swap space in bytes */
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unsigned long long swapused; /* used swap space in bytes */
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unsigned long long swapfree; /* free swap space in bytes */
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vm_object_t object;
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int i, j;
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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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swap_pager_status(&i, &j);
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swaptotal = i * PAGE_SIZE;
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swapused = j * PAGE_SIZE;
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swapfree = swaptotal - swapused;
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memshared = 0;
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mtx_lock(&vm_object_list_mtx);
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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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mtx_unlock(&vm_object_list_mtx);
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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_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: %llu %llu %llu\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:%9llu kB\n"
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"SwapFree: %9llu 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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return (0);
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}
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#ifdef __alpha__
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extern struct rpb *hwrpb;
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/*
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* Filler function for proc/cpuinfo (Alpha version)
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*/
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static int
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linprocfs_docpuinfo(PFS_FILL_ARGS)
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{
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u_int64_t type, major;
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struct pcs *pcsp;
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const char *model, *sysname;
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static const char *cpuname[] = {
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"EV3", "EV4", "Simulate", "LCA4", "EV5", "EV45", "EV56",
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"EV6", "PCA56", "PCA57", "EV67", "EV68CB", "EV68AL"
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};
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pcsp = LOCATE_PCS(hwrpb, hwrpb->rpb_primary_cpu_id);
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type = pcsp->pcs_proc_type;
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major = (type & PCS_PROC_MAJOR) >> PCS_PROC_MAJORSHIFT;
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if (major < sizeof(cpuname)/sizeof(char *)) {
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model = cpuname[major - 1];
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} else {
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model = "unknown";
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}
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sysname = alpha_dsr_sysname();
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sbuf_printf(sb,
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"cpu\t\t\t: Alpha\n"
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"cpu model\t\t: %s\n"
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"cpu variation\t\t: %ld\n"
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"cpu revision\t\t: %d\n"
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"cpu serial number\t: %s\n"
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"system type\t\t: %s\n"
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"system variation\t: %s\n"
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"system revision\t\t: %d\n"
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"system serial number\t: %s\n"
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"cycle frequency [Hz]\t: %lu\n"
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"timer frequency [Hz]\t: %u\n"
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"page size [bytes]\t: %ld\n"
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"phys. address bits\t: %ld\n"
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"max. addr. space #\t: %ld\n"
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"BogoMIPS\t\t: %u.%02u\n"
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"kernel unaligned acc\t: %d (pc=%x,va=%x)\n"
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"user unaligned acc\t: %d (pc=%x,va=%x)\n"
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"platform string\t\t: %s\n"
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"cpus detected\t\t: %d\n"
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,
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model,
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pcsp->pcs_proc_var,
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*(int *)hwrpb->rpb_revision,
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" ",
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" ",
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"0",
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0,
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" ",
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hwrpb->rpb_cc_freq,
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hz,
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hwrpb->rpb_page_size,
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hwrpb->rpb_phys_addr_size,
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hwrpb->rpb_max_asn,
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0, 0,
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0, 0, 0,
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0, 0, 0,
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sysname,
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ncpus);
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return (0);
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}
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#endif /* __alpha__ */
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#if defined(__i386__) || defined(__amd64__)
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/*
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* Filler function for proc/cpuinfo (i386 & amd64 version)
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*/
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static int
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linprocfs_docpuinfo(PFS_FILL_ARGS)
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{
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int class, fqmhz, fqkhz;
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int i;
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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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switch (cpu_class) {
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#ifdef __i386__
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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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#else
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default:
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class = 6;
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break;
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#endif
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}
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for (i = 0; i < mp_ncpus; ++i) {
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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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i, cpu_vendor, class, cpu, cpu_id & 0xf);
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/* XXX per-cpu vendor / class / id? */
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}
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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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return (0);
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}
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#endif /* __i386__ || __amd64__ */
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/*
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* Filler function for proc/mtab
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*
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* This file doesn't exist in Linux' procfs, but is included here so
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* users can symlink /compat/linux/etc/mtab to /proc/mtab
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*/
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static int
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linprocfs_domtab(PFS_FILL_ARGS)
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{
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struct nameidata nd;
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struct mount *mp;
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const char *lep;
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char *dlep, *flep, *mntto, *mntfrom, *fstype;
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size_t lep_len;
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int error;
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/* resolve symlinks etc. in the emulation tree prefix */
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NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td);
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flep = NULL;
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if (namei(&nd) != 0 || vn_fullpath(td, nd.ni_vp, &dlep, &flep) != 0)
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lep = linux_emul_path;
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else
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lep = dlep;
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lep_len = strlen(lep);
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mtx_lock(&mountlist_mtx);
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error = 0;
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TAILQ_FOREACH(mp, &mountlist, mnt_list) {
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/* determine device name */
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mntfrom = mp->mnt_stat.f_mntfromname;
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/* determine mount point */
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mntto = mp->mnt_stat.f_mntonname;
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if (strncmp(mntto, lep, lep_len) == 0 &&
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mntto[lep_len] == '/')
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mntto += lep_len;
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/* determine fs type */
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fstype = mp->mnt_stat.f_fstypename;
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if (strcmp(fstype, pn->pn_info->pi_name) == 0)
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mntfrom = fstype = "proc";
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else if (strcmp(fstype, "procfs") == 0)
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continue;
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sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype,
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mp->mnt_stat.f_flags & MNT_RDONLY ? "ro" : "rw");
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#define ADD_OPTION(opt, name) \
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if (mp->mnt_stat.f_flags & (opt)) sbuf_printf(sb, "," name);
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ADD_OPTION(MNT_SYNCHRONOUS, "sync");
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ADD_OPTION(MNT_NOEXEC, "noexec");
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ADD_OPTION(MNT_NOSUID, "nosuid");
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ADD_OPTION(MNT_NODEV, "nodev");
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ADD_OPTION(MNT_UNION, "union");
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ADD_OPTION(MNT_ASYNC, "async");
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ADD_OPTION(MNT_SUIDDIR, "suiddir");
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ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow");
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ADD_OPTION(MNT_NOATIME, "noatime");
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#undef ADD_OPTION
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/* a real Linux mtab will also show NFS options */
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sbuf_printf(sb, " 0 0\n");
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}
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mtx_unlock(&mountlist_mtx);
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if (flep != NULL)
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free(flep, M_TEMP);
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return (error);
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}
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|
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/*
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* Filler function for proc/stat
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*/
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static int
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linprocfs_dostat(PFS_FILL_ARGS)
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{
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int i;
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sbuf_printf(sb, "cpu %ld %ld %ld %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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if (mp_ncpus > 1)
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for (i = 0; i < mp_ncpus; ++i)
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sbuf_printf(sb, "cpu%d %ld %ld %ld %ld\n", i,
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T2J(cp_time[CP_USER]) / mp_ncpus,
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T2J(cp_time[CP_NICE]) / mp_ncpus,
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T2J(cp_time[CP_SYS]) / mp_ncpus,
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T2J(cp_time[CP_IDLE]) / mp_ncpus);
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|
sbuf_printf(sb,
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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"
|
|
"ctxt %u\n"
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"btime %lld\n",
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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,
|
|
cnt.v_swtch,
|
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(long long)boottime.tv_sec);
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return (0);
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}
|
|
|
|
/*
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|
* Filler function for proc/uptime
|
|
*/
|
|
static int
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linprocfs_douptime(PFS_FILL_ARGS)
|
|
{
|
|
struct timeval tv;
|
|
|
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getmicrouptime(&tv);
|
|
sbuf_printf(sb, "%lld.%02ld %ld.%02ld\n",
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(long long)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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return (0);
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|
}
|
|
|
|
/*
|
|
* Filler function for proc/version
|
|
*/
|
|
static int
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linprocfs_doversion(PFS_FILL_ARGS)
|
|
{
|
|
char osname[LINUX_MAX_UTSNAME];
|
|
char osrelease[LINUX_MAX_UTSNAME];
|
|
|
|
linux_get_osname(td, osname);
|
|
linux_get_osrelease(td, osrelease);
|
|
|
|
sbuf_printf(sb,
|
|
"%s version %s (des@freebsd.org) (gcc version " __VERSION__ ")"
|
|
" #4 Sun Dec 18 04:30:00 CET 1977\n", osname, osrelease);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/loadavg
|
|
*/
|
|
static int
|
|
linprocfs_doloadavg(PFS_FILL_ARGS)
|
|
{
|
|
sbuf_printf(sb,
|
|
"%d.%02d %d.%02d %d.%02d %d/%d %d\n",
|
|
(int)(averunnable.ldavg[0] / averunnable.fscale),
|
|
(int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100),
|
|
(int)(averunnable.ldavg[1] / averunnable.fscale),
|
|
(int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100),
|
|
(int)(averunnable.ldavg[2] / averunnable.fscale),
|
|
(int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100),
|
|
1, /* number of running tasks */
|
|
nprocs, /* number of tasks */
|
|
lastpid /* the last pid */
|
|
);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/stat
|
|
*/
|
|
static int
|
|
linprocfs_doprocstat(PFS_FILL_ARGS)
|
|
{
|
|
struct kinfo_proc kp;
|
|
|
|
PROC_LOCK(p);
|
|
fill_kinfo_proc(p, &kp);
|
|
sbuf_printf(sb, "%d", p->p_pid);
|
|
#define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg)
|
|
PS_ADD("comm", "(%s)", p->p_comm);
|
|
PS_ADD("statr", "%c", '0'); /* XXX */
|
|
PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
|
|
PS_ADD("pgrp", "%d", p->p_pgid);
|
|
PS_ADD("session", "%d", p->p_session->s_sid);
|
|
PROC_UNLOCK(p);
|
|
PS_ADD("tty", "%d", 0); /* XXX */
|
|
PS_ADD("tpgid", "%d", 0); /* XXX */
|
|
PS_ADD("flags", "%u", 0); /* XXX */
|
|
PS_ADD("minflt", "%u", 0); /* XXX */
|
|
PS_ADD("cminflt", "%u", 0); /* XXX */
|
|
PS_ADD("majflt", "%u", 0); /* XXX */
|
|
PS_ADD("cminflt", "%u", 0); /* XXX */
|
|
PS_ADD("utime", "%d", 0); /* XXX */
|
|
PS_ADD("stime", "%d", 0); /* XXX */
|
|
PS_ADD("cutime", "%d", 0); /* XXX */
|
|
PS_ADD("cstime", "%d", 0); /* XXX */
|
|
PS_ADD("counter", "%d", 0); /* XXX */
|
|
PS_ADD("priority", "%d", 0); /* XXX */
|
|
PS_ADD("timeout", "%u", 0); /* XXX */
|
|
PS_ADD("itrealvalue", "%u", 0); /* XXX */
|
|
PS_ADD("starttime", "%d", 0); /* XXX */
|
|
PS_ADD("vsize", "%ju", (uintmax_t)kp.ki_size);
|
|
PS_ADD("rss", "%ju", P2K((uintmax_t)kp.ki_rssize));
|
|
PS_ADD("rlim", "%u", 0); /* XXX */
|
|
PS_ADD("startcode", "%u", (unsigned)0);
|
|
PS_ADD("endcode", "%u", 0); /* XXX */
|
|
PS_ADD("startstack", "%u", 0); /* XXX */
|
|
PS_ADD("esp", "%u", 0); /* XXX */
|
|
PS_ADD("eip", "%u", 0); /* XXX */
|
|
PS_ADD("signal", "%d", 0); /* XXX */
|
|
PS_ADD("blocked", "%d", 0); /* XXX */
|
|
PS_ADD("sigignore", "%d", 0); /* XXX */
|
|
PS_ADD("sigcatch", "%d", 0); /* XXX */
|
|
PS_ADD("wchan", "%u", 0); /* XXX */
|
|
PS_ADD("nswap", "%lu", (long unsigned)0); /* XXX */
|
|
PS_ADD("cnswap", "%lu", (long unsigned)0); /* XXX */
|
|
PS_ADD("exitsignal", "%d", 0); /* XXX */
|
|
PS_ADD("processor", "%d", 0); /* XXX */
|
|
#undef PS_ADD
|
|
sbuf_putc(sb, '\n');
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/statm
|
|
*/
|
|
static int
|
|
linprocfs_doprocstatm(PFS_FILL_ARGS)
|
|
{
|
|
struct kinfo_proc kp;
|
|
segsz_t lsize;
|
|
|
|
PROC_LOCK(p);
|
|
fill_kinfo_proc(p, &kp);
|
|
PROC_UNLOCK(p);
|
|
|
|
/*
|
|
* See comments in linprocfs_doprocstatus() regarding the
|
|
* computation of lsize.
|
|
*/
|
|
/* size resident share trs drs lrs dt */
|
|
sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size));
|
|
sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize);
|
|
sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */
|
|
sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize);
|
|
sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize));
|
|
lsize = B2P(kp.ki_size) - kp.ki_dsize -
|
|
kp.ki_ssize - kp.ki_tsize - 1;
|
|
sbuf_printf(sb, "%ju ", (uintmax_t)lsize);
|
|
sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/status
|
|
*/
|
|
static int
|
|
linprocfs_doprocstatus(PFS_FILL_ARGS)
|
|
{
|
|
struct kinfo_proc kp;
|
|
char *state;
|
|
segsz_t lsize;
|
|
struct thread *td2;
|
|
struct sigacts *ps;
|
|
int i;
|
|
|
|
PROC_LOCK(p);
|
|
td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */
|
|
|
|
if (P_SHOULDSTOP(p)) {
|
|
state = "T (stopped)";
|
|
} else {
|
|
mtx_lock_spin(&sched_lock);
|
|
switch(p->p_state) {
|
|
case PRS_NEW:
|
|
state = "I (idle)";
|
|
break;
|
|
case PRS_NORMAL:
|
|
if (p->p_flag & P_WEXIT) {
|
|
state = "X (exiting)";
|
|
break;
|
|
}
|
|
switch(td2->td_state) {
|
|
case TDS_INHIBITED:
|
|
state = "S (sleeping)";
|
|
break;
|
|
case TDS_RUNQ:
|
|
case TDS_RUNNING:
|
|
state = "R (running)";
|
|
break;
|
|
default:
|
|
state = "? (unknown)";
|
|
break;
|
|
}
|
|
break;
|
|
case PRS_ZOMBIE:
|
|
state = "Z (zombie)";
|
|
break;
|
|
default:
|
|
state = "? (unknown)";
|
|
break;
|
|
}
|
|
mtx_unlock_spin(&sched_lock);
|
|
}
|
|
|
|
fill_kinfo_proc(p, &kp);
|
|
sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */
|
|
sbuf_printf(sb, "State:\t%s\n", state);
|
|
|
|
/*
|
|
* Credentials
|
|
*/
|
|
sbuf_printf(sb, "Pid:\t%d\n", p->p_pid);
|
|
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_ucred->cr_ruid,
|
|
p->p_ucred->cr_uid,
|
|
p->p_ucred->cr_svuid,
|
|
/* FreeBSD doesn't have fsuid */
|
|
p->p_ucred->cr_uid);
|
|
sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid,
|
|
p->p_ucred->cr_gid,
|
|
p->p_ucred->cr_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%8ju kB\n", B2K((uintmax_t)kp.ki_size));
|
|
sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */
|
|
sbuf_printf(sb, "VmRss:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize));
|
|
sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize));
|
|
sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize));
|
|
sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize));
|
|
lsize = B2P(kp.ki_size) - kp.ki_dsize -
|
|
kp.ki_ssize - kp.ki_tsize - 1;
|
|
sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)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 */
|
|
ps = p->p_sigacts;
|
|
mtx_lock(&ps->ps_mtx);
|
|
sbuf_printf(sb, "SigIgn:\t%08x\n", ps->ps_sigignore.__bits[0]);
|
|
sbuf_printf(sb, "SigCgt:\t%08x\n", ps->ps_sigcatch.__bits[0]);
|
|
mtx_unlock(&ps->ps_mtx);
|
|
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);
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Filler function for proc/pid/cwd
|
|
*/
|
|
static int
|
|
linprocfs_doproccwd(PFS_FILL_ARGS)
|
|
{
|
|
char *fullpath = "unknown";
|
|
char *freepath = NULL;
|
|
|
|
vn_fullpath(td, p->p_fd->fd_cdir, &fullpath, &freepath);
|
|
sbuf_printf(sb, "%s", fullpath);
|
|
if (freepath)
|
|
free(freepath, M_TEMP);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/root
|
|
*/
|
|
static int
|
|
linprocfs_doprocroot(PFS_FILL_ARGS)
|
|
{
|
|
struct vnode *rvp;
|
|
char *fullpath = "unknown";
|
|
char *freepath = NULL;
|
|
|
|
rvp = jailed(p->p_ucred) ? p->p_fd->fd_jdir : p->p_fd->fd_rdir;
|
|
vn_fullpath(td, rvp, &fullpath, &freepath);
|
|
sbuf_printf(sb, "%s", fullpath);
|
|
if (freepath)
|
|
free(freepath, M_TEMP);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/cmdline
|
|
*/
|
|
static int
|
|
linprocfs_doproccmdline(PFS_FILL_ARGS)
|
|
{
|
|
struct ps_strings pstr;
|
|
char **ps_argvstr;
|
|
int error, i;
|
|
|
|
/*
|
|
* If we are using the ps/cmdline caching, use that. Otherwise
|
|
* revert back to the old way which only implements full cmdline
|
|
* for the currept process and just p->p_comm for all other
|
|
* processes.
|
|
* Note that if the argv is no longer available, we deliberately
|
|
* don't fall back on p->p_comm or return an error: the authentic
|
|
* Linux behaviour is to return zero-length in this case.
|
|
*/
|
|
|
|
PROC_LOCK(p);
|
|
if (p->p_args && p_cansee(td, p) == 0) {
|
|
sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length);
|
|
PROC_UNLOCK(p);
|
|
} else if (p != td->td_proc) {
|
|
PROC_UNLOCK(p);
|
|
sbuf_printf(sb, "%.*s", MAXCOMLEN, p->p_comm);
|
|
} else {
|
|
PROC_UNLOCK(p);
|
|
error = copyin((void *)p->p_sysent->sv_psstrings, &pstr,
|
|
sizeof(pstr));
|
|
if (error)
|
|
return (error);
|
|
if (pstr.ps_nargvstr > ARG_MAX)
|
|
return (E2BIG);
|
|
ps_argvstr = malloc(pstr.ps_nargvstr * sizeof(char *),
|
|
M_TEMP, M_WAITOK);
|
|
error = copyin((void *)pstr.ps_argvstr, ps_argvstr,
|
|
pstr.ps_nargvstr * sizeof(char *));
|
|
if (error) {
|
|
free(ps_argvstr, M_TEMP);
|
|
return (error);
|
|
}
|
|
for (i = 0; i < pstr.ps_nargvstr; i++) {
|
|
sbuf_copyin(sb, ps_argvstr[i], 0);
|
|
sbuf_printf(sb, "%c", '\0');
|
|
}
|
|
free(ps_argvstr, M_TEMP);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/environ
|
|
*/
|
|
static int
|
|
linprocfs_doprocenviron(PFS_FILL_ARGS)
|
|
{
|
|
sbuf_printf(sb, "doprocenviron\n%c", '\0');
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/pid/maps
|
|
*/
|
|
static int
|
|
linprocfs_doprocmaps(PFS_FILL_ARGS)
|
|
{
|
|
char mebuffer[512];
|
|
vm_map_t map = &p->p_vmspace->vm_map;
|
|
vm_map_entry_t entry;
|
|
vm_object_t obj, tobj, lobj;
|
|
vm_ooffset_t off = 0;
|
|
char *name = "", *freename = NULL;
|
|
size_t len;
|
|
ino_t ino;
|
|
int ref_count, shadow_count, flags;
|
|
int error;
|
|
struct vnode *vp;
|
|
struct vattr vat;
|
|
|
|
PROC_LOCK(p);
|
|
error = p_candebug(td, p);
|
|
PROC_UNLOCK(p);
|
|
if (error)
|
|
return (error);
|
|
|
|
if (uio->uio_rw != UIO_READ)
|
|
return (EOPNOTSUPP);
|
|
|
|
if (uio->uio_offset != 0)
|
|
return (0);
|
|
|
|
error = 0;
|
|
if (map != &curthread->td_proc->p_vmspace->vm_map)
|
|
vm_map_lock_read(map);
|
|
for (entry = map->header.next;
|
|
((uio->uio_resid > 0) && (entry != &map->header));
|
|
entry = entry->next) {
|
|
name = "";
|
|
freename = NULL;
|
|
if (entry->eflags & MAP_ENTRY_IS_SUB_MAP)
|
|
continue;
|
|
obj = entry->object.vm_object;
|
|
for (lobj = tobj = obj; tobj; tobj = tobj->backing_object)
|
|
lobj = tobj;
|
|
ino = 0;
|
|
if (lobj) {
|
|
vp = lobj->handle;
|
|
VM_OBJECT_LOCK(lobj);
|
|
off = IDX_TO_OFF(lobj->size);
|
|
if (lobj->type == OBJT_VNODE && lobj->handle) {
|
|
vn_fullpath(td, vp, &name, &freename);
|
|
VOP_GETATTR(vp, &vat, td->td_ucred, td);
|
|
ino = vat.va_fileid;
|
|
}
|
|
flags = obj->flags;
|
|
ref_count = obj->ref_count;
|
|
shadow_count = obj->shadow_count;
|
|
VM_OBJECT_UNLOCK(lobj);
|
|
} else {
|
|
flags = 0;
|
|
ref_count = 0;
|
|
shadow_count = 0;
|
|
}
|
|
|
|
/*
|
|
* format:
|
|
* start, end, access, offset, major, minor, inode, name.
|
|
*/
|
|
snprintf(mebuffer, sizeof mebuffer,
|
|
"%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n",
|
|
(u_long)entry->start, (u_long)entry->end,
|
|
(entry->protection & VM_PROT_READ)?"r":"-",
|
|
(entry->protection & VM_PROT_WRITE)?"w":"-",
|
|
(entry->protection & VM_PROT_EXECUTE)?"x":"-",
|
|
"p",
|
|
(u_long)off,
|
|
0,
|
|
0,
|
|
(u_long)ino,
|
|
*name ? " " : "",
|
|
name
|
|
);
|
|
if (freename)
|
|
free(freename, M_TEMP);
|
|
len = strlen(mebuffer);
|
|
if (len > uio->uio_resid)
|
|
len = uio->uio_resid; /*
|
|
* XXX We should probably return
|
|
* EFBIG here, as in procfs.
|
|
*/
|
|
error = uiomove(mebuffer, len, uio);
|
|
if (error)
|
|
break;
|
|
}
|
|
if (map != &curthread->td_proc->p_vmspace->vm_map)
|
|
vm_map_unlock_read(map);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Filler function for proc/net/dev
|
|
*/
|
|
static int
|
|
linprocfs_donetdev(PFS_FILL_ARGS)
|
|
{
|
|
char ifname[16]; /* XXX LINUX_IFNAMSIZ */
|
|
struct ifnet *ifp;
|
|
|
|
sbuf_printf(sb, "%6s|%58s|%s\n%6s|%58s|%58s\n",
|
|
"Inter-", " Receive", " Transmit", " face",
|
|
"bytes packets errs drop fifo frame compressed",
|
|
"bytes packets errs drop fifo frame compressed");
|
|
|
|
IFNET_RLOCK();
|
|
TAILQ_FOREACH(ifp, &ifnet, if_link) {
|
|
linux_ifname(ifp, ifname, sizeof ifname);
|
|
sbuf_printf(sb, "%6.6s:", ifname);
|
|
sbuf_printf(sb, "%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu ",
|
|
0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL);
|
|
sbuf_printf(sb, "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
|
|
0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL);
|
|
}
|
|
IFNET_RUNLOCK();
|
|
|
|
return (0);
|
|
}
|
|
|
|
#if 0
|
|
extern struct cdevsw *cdevsw[];
|
|
|
|
/*
|
|
* Filler function for proc/devices
|
|
*/
|
|
static int
|
|
linprocfs_dodevices(PFS_FILL_ARGS)
|
|
{
|
|
int i;
|
|
|
|
sbuf_printf(sb, "Character devices:\n");
|
|
|
|
for (i = 0; i < NUMCDEVSW; i++)
|
|
if (cdevsw[i] != NULL)
|
|
sbuf_printf(sb, "%3d %s\n", i, cdevsw[i]->d_name);
|
|
|
|
sbuf_printf(sb, "\nBlock devices:\n");
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Filler function for proc/cmdline
|
|
*/
|
|
static int
|
|
linprocfs_docmdline(PFS_FILL_ARGS)
|
|
{
|
|
sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname);
|
|
sbuf_printf(sb, " ro root=302\n");
|
|
return (0);
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* Filler function for proc/modules
|
|
*/
|
|
static int
|
|
linprocfs_domodules(PFS_FILL_ARGS)
|
|
{
|
|
struct linker_file *lf;
|
|
|
|
TAILQ_FOREACH(lf, &linker_files, link) {
|
|
sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename,
|
|
(unsigned long)lf->size, lf->refs);
|
|
}
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Constructor
|
|
*/
|
|
static int
|
|
linprocfs_init(PFS_INIT_ARGS)
|
|
{
|
|
struct pfs_node *root;
|
|
struct pfs_node *dir;
|
|
|
|
root = pi->pi_root;
|
|
|
|
/* /proc/... */
|
|
pfs_create_file(root, "cmdline", &linprocfs_docmdline,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo,
|
|
NULL, NULL, PFS_RD);
|
|
#if 0
|
|
pfs_create_file(root, "devices", &linprocfs_dodevices,
|
|
NULL, NULL, PFS_RD);
|
|
#endif
|
|
pfs_create_file(root, "loadavg", &linprocfs_doloadavg,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(root, "meminfo", &linprocfs_domeminfo,
|
|
NULL, NULL, PFS_RD);
|
|
#if 0
|
|
pfs_create_file(root, "modules", &linprocfs_domodules,
|
|
NULL, NULL, PFS_RD);
|
|
#endif
|
|
pfs_create_file(root, "mtab", &linprocfs_domtab,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_link(root, "self", &procfs_docurproc,
|
|
NULL, NULL, 0);
|
|
pfs_create_file(root, "stat", &linprocfs_dostat,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(root, "uptime", &linprocfs_douptime,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(root, "version", &linprocfs_doversion,
|
|
NULL, NULL, PFS_RD);
|
|
|
|
/* /proc/net/... */
|
|
dir = pfs_create_dir(root, "net", NULL, NULL, 0);
|
|
pfs_create_file(dir, "dev", &linprocfs_donetdev,
|
|
NULL, NULL, PFS_RD);
|
|
|
|
/* /proc/<pid>/... */
|
|
dir = pfs_create_dir(root, "pid", NULL, NULL, PFS_PROCDEP);
|
|
pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_link(dir, "cwd", &linprocfs_doproccwd,
|
|
NULL, NULL, 0);
|
|
pfs_create_file(dir, "environ", &linprocfs_doprocenviron,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_link(dir, "exe", &procfs_doprocfile,
|
|
NULL, &procfs_notsystem, 0);
|
|
pfs_create_file(dir, "maps", &linprocfs_doprocmaps,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(dir, "mem", &procfs_doprocmem,
|
|
&procfs_attr, &procfs_candebug, PFS_RDWR|PFS_RAW);
|
|
pfs_create_link(dir, "root", &linprocfs_doprocroot,
|
|
NULL, NULL, 0);
|
|
pfs_create_file(dir, "stat", &linprocfs_doprocstat,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(dir, "statm", &linprocfs_doprocstatm,
|
|
NULL, NULL, PFS_RD);
|
|
pfs_create_file(dir, "status", &linprocfs_doprocstatus,
|
|
NULL, NULL, PFS_RD);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Destructor
|
|
*/
|
|
static int
|
|
linprocfs_uninit(PFS_INIT_ARGS)
|
|
{
|
|
|
|
/* nothing to do, pseudofs will GC */
|
|
return (0);
|
|
}
|
|
|
|
PSEUDOFS(linprocfs, 1);
|
|
MODULE_DEPEND(linprocfs, linux, 1, 1, 1);
|
|
MODULE_DEPEND(linprocfs, procfs, 1, 1, 1);
|