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/* Copyright (C) 1998 Joshua Sled
This file is part of LibGTop 1.0.
Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procmem.h>
#include <glibtop_suid.h>
#include <kvm.h>
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/resource.h>
#include <uvm/uvm_extern.h>
#include <sys/vnode.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <sys/ucred.h>
#include <sys/sysctl.h>
/* XXX until uvm gets cleaned up */
#include <sys/mutex.h>
typedef int boolean_t;
#include <uvm/uvm.h>
/* Fixme ... */
#undef _KERNEL
#define _UVM_UVM_AMAP_I_H_ 1
#define _UVM_UVM_MAP_I_H_ 1
#include <uvm/uvm.h>
static const unsigned long _glibtop_sysdeps_proc_mem =
(1L << GLIBTOP_PROC_MEM_SIZE) +
(1L << GLIBTOP_PROC_MEM_VSIZE) +
(1L << GLIBTOP_PROC_MEM_RESIDENT) +
(1L << GLIBTOP_PROC_MEM_RSS) +
(1L << GLIBTOP_PROC_MEM_RSS_RLIM);
static const unsigned long _glibtop_sysdeps_proc_mem_share =
(1L << GLIBTOP_PROC_MEM_SHARE);
#ifndef LOG1024
#define LOG1024 10
#endif
/* these are for getting the memory statistics */
static int pageshift; /* log base 2 of the pagesize */
/* define pagetok in terms of pageshift */
#define pagetok(size) ((size) << pageshift)
/* Init function. */
void
_glibtop_init_proc_mem_p (glibtop *server)
{
register int pagesize;
/* get the page size and calculate pageshift from it */
pagesize = sysconf(_SC_PAGESIZE);
pageshift = 0;
while (pagesize > 1) {
pageshift++;
pagesize >>= 1;
}
/* we only need the amount of log(2)1024 for our conversion */
pageshift -= LOG1024;
server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem |
_glibtop_sysdeps_proc_mem_share;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
pid_t pid)
{
struct kinfo_proc *pinfo;
int count;
glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_MEM), 0);
memset (buf, 0, sizeof (glibtop_proc_mem));
if (server->sysdeps.proc_mem == 0)
return;
/* It does not work for the swapper task. */
if (pid == 0) return;
/* Get the process data */
pinfo = kvm_getprocs (server->machine->kd, KERN_PROC_PID, pid,
sizeof (*pinfo), &count);
if ((pinfo == NULL) || (count < 1)) {
glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
return;
}
buf->rss_rlim = pinfo[0].p_uru_maxrss;
buf->vsize = buf->size = (guint64)pagetok
(pinfo[0].p_vm_tsize + pinfo[0].p_vm_dsize + pinfo[0].p_vm_ssize)
<< LOG1024;
buf->resident = buf->rss = (guint64)pagetok
(pinfo[0].p_vm_rssize) << LOG1024;
/* Now we get the shared memory. */
buf->share = pinfo[0].p_uru_ixrss;
buf->flags = _glibtop_sysdeps_proc_mem |
_glibtop_sysdeps_proc_mem_share;
}
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