New file. Added definition of `proc_map'.
1998-08-10 Martin Baulig <martin@home-of-linux.org> * include/glibtop/procmap.h (glibtop_proc_map): New file. * features.def: Added definition of `proc_map'.
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Martin Baulig
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Martin Baulig
Martin Baulig
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b6885555c1
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d9361d388c
176
sysdeps/freebsd/procmap.c
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176
sysdeps/freebsd/procmap.c
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/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/xmalloc.h>
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#include <glibtop/procmap.h>
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#include <glibtop_suid.h>
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#include <kvm.h>
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/resource.h>
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#include <vm/vm_object.h>
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#include <vm/vm_map.h>
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#include <sys/vnode.h>
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#include <sys/mount.h>
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#include <ufs/ufs/quota.h>
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#include <ufs/ufs/inode.h>
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#include <sys/ucred.h>
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#include <sys/user.h>
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#include <sys/sysctl.h>
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#include <vm/vm.h>
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static const unsigned long _glibtop_sysdeps_proc_map =
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(1 << GLIBTOP_PROC_MAP_TOTAL) + (1 << GLIBTOP_PROC_MAP_NUMBER) +
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(1 << GLIBTOP_PROC_MAP_SIZE);
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/* Init function. */
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void
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glibtop_init_proc_map_p (glibtop *server)
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{
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register int pagesize;
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server->sysdeps.proc_map = _glibtop_sysdeps_proc_map;
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}
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/* Provides detailed information about a process. */
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glibtop_map_entry *
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glibtop_get_proc_map_p (glibtop *server, glibtop_proc_map *buf,
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pid_t pid)
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{
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struct kinfo_proc *pinfo;
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struct vm_map_entry entry, *first;
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struct vmspace *vms, vmspace;
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struct vm_object object;
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glibtop_map_entry *maps;
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struct vnode vnode;
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struct inode inode;
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struct mount mount;
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int count, i = 0;
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int update = 0;
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glibtop_suid_enter (server);
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/* Get the process data */
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pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &count);
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if ((pinfo == NULL) || (count < 1))
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glibtop_error_io_r (server, "kvm_getprocs (proclist)");
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/* Now we get the memory maps. */
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if (kvm_read (server->machine.kd,
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(unsigned long) pinfo [0].kp_proc.p_vmspace,
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(char *) &vmspace, sizeof (vmspace)) != sizeof (vmspace))
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glibtop_error_io_r (server, "kvm_read (vmspace)");
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first = vmspace.vm_map.header.next;
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if (kvm_read (server->machine.kd,
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(unsigned long) vmspace.vm_map.header.next,
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(char *) &entry, sizeof (entry)) != sizeof (entry))
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glibtop_error_io_r (server, "kvm_read (entry)");
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/* Allocate space. */
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buf->number = vmspace.vm_map.nentries;
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buf->size = sizeof (glibtop_map_entry);
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buf->total = buf->number * buf->size;
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maps = glibtop_malloc_r (server, buf->total);
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memset (maps, 0, buf->total);
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buf->flags = _glibtop_sysdeps_proc_map;
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/* Walk through the `vm_map_entry' list ... */
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/* I tested this a few times with `mmap'; as soon as you write
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* to the mmap'ed area, the object type changes from OBJT_VNODE
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* to OBJT_DEFAULT so if seems this really works. */
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do {
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if (update) {
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if (kvm_read (server->machine.kd,
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(unsigned long) entry.next,
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&entry, sizeof (entry)) != sizeof (entry))
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glibtop_error_io_r (server, "kvm_read (entry)");
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} else {
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update = 1;
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}
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if (entry.eflags & (MAP_ENTRY_IS_A_MAP|MAP_ENTRY_IS_SUB_MAP))
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continue;
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maps [i].start = entry.start;
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maps [i].end = entry.end;
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i++;
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if (!entry.object.vm_object)
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continue;
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/* We're only interested in `vm_object's */
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if (kvm_read (server->machine.kd,
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(unsigned long) entry.object.vm_object,
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&object, sizeof (object)) != sizeof (object))
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glibtop_error_io_r (server, "kvm_read (object)");
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/* If the object is of type vnode, add its size */
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if (object.type != OBJT_VNODE)
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continue;
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if (!object.handle)
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continue;
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if (kvm_read (server->machine.kd,
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(unsigned long) object.handle,
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&vnode, sizeof (vnode)) != sizeof (vnode))
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glibtop_error_io_r (server, "kvm_read (vnode)");
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if ((vnode.v_type != VREG) || (vnode.v_tag != VT_UFS) ||
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!vnode.v_data) continue;
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if (kvm_read (server->machine.kd,
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(unsigned long) vnode.v_data,
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&inode, sizeof (inode)) != sizeof (inode))
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glibtop_error_io_r (server, "kvm_read (inode)");
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if (kvm_read (server->machine.kd,
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(unsigned long) vnode.v_mount,
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&mount, sizeof (mount)) != sizeof (mount))
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glibtop_error_io_r (server, "kvm_read (mount)");
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maps [i-1].inode = inode.i_number;
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maps [i-1].device = inode.i_dev;
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} while (entry.next != first);
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return maps;
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}
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