133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/* Copyright (C) 1998 Joshua Sled
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This file is part of LibGTop 1.0.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procmem.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 <uvm/uvm_extern.h>
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#include <sys/vnode.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/sysctl.h>
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#include <uvm/uvm.h>
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/* Fixme ... */
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#undef _KERNEL
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#define _UVM_UVM_AMAP_I_H_ 1
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#define _UVM_UVM_MAP_I_H_ 1
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#include <uvm/uvm.h>
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static const unsigned long _glibtop_sysdeps_proc_mem =
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(1L << GLIBTOP_PROC_MEM_SIZE) +
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(1L << GLIBTOP_PROC_MEM_VSIZE) +
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(1L << GLIBTOP_PROC_MEM_RESIDENT) +
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(1L << GLIBTOP_PROC_MEM_RSS) +
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(1L << GLIBTOP_PROC_MEM_RSS_RLIM);
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static const unsigned long _glibtop_sysdeps_proc_mem_share =
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(1L << GLIBTOP_PROC_MEM_SHARE);
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#ifndef LOG1024
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#define LOG1024 10
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#endif
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/* these are for getting the memory statistics */
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static int pageshift; /* log base 2 of the pagesize */
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/* define pagetok in terms of pageshift */
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#define pagetok(size) ((size) << pageshift)
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/* Init function. */
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void
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_glibtop_init_proc_mem_p (glibtop *server)
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{
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register int pagesize;
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/* get the page size and calculate pageshift from it */
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pagesize = sysconf(_SC_PAGESIZE);
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pageshift = 0;
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while (pagesize > 1) {
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pageshift++;
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pagesize >>= 1;
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}
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/* we only need the amount of log(2)1024 for our conversion */
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pageshift -= LOG1024;
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server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem |
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_glibtop_sysdeps_proc_mem_share;
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}
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
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pid_t pid)
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{
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struct kinfo_proc *pinfo;
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int count;
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glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_MEM), 0);
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memset (buf, 0, sizeof (glibtop_proc_mem));
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if (server->sysdeps.proc_mem == 0)
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return;
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/* It does not work for the swapper task. */
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if (pid == 0) return;
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/* Get the process data */
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pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid,
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sizeof (*pinfo), &count);
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if ((pinfo == NULL) || (count < 1)) {
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glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
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return;
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}
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buf->rss_rlim = pinfo[0].p_uru_maxrss;
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buf->vsize = buf->size = (guint64)pagetok
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(pinfo[0].p_vm_tsize + pinfo[0].p_vm_dsize + pinfo[0].p_vm_ssize)
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<< LOG1024;
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buf->resident = buf->rss = (guint64)pagetok
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(pinfo[0].p_vm_rssize) << LOG1024;
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/* Now we get the shared memory. */
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buf->share = pinfo[0].p_uru_ixrss;
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buf->flags = _glibtop_sysdeps_proc_mem |
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_glibtop_sysdeps_proc_mem_share;
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}
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