4c8ae9e25c
2003-10-19 Carlos Perelló Marín <carlos@gnome.org> * support/*: Reverted libgtop changes. It's a common module and I should not modify it. * Added/removed files. Now the move should be done.
128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 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 <glibtop.h>
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#include <glibtop/mem.h>
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#include <assert.h>
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#include <unistd.h>
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#include <glibtop_private.h>
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static const unsigned long _glibtop_sysdeps_mem_os_sysconf =
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(1L << GLIBTOP_MEM_TOTAL);
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static const unsigned long _glibtop_sysdeps_mem_os_kstat =
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(1L << GLIBTOP_MEM_FREE) + (1L << GLIBTOP_MEM_USED) +
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(1L << GLIBTOP_MEM_LOCKED);
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static const unsigned long _glibtop_sysdeps_mem_bunyip =
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(1L << GLIBTOP_MEM_SHARED) + (1L << GLIBTOP_MEM_BUFFER) +
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(1L << GLIBTOP_MEM_USER);
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/* Init function. */
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void
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glibtop_init_mem_s (glibtop *server)
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{
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server->sysdeps.mem = _glibtop_sysdeps_mem_os_sysconf +
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_glibtop_sysdeps_mem_os_kstat + _glibtop_sysdeps_mem_bunyip;
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}
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/* Provides information about memory usage. */
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void
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glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
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{
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kstat_ctl_t *kc = server->machine.kc;
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kstat_t *ksp;
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kstat_named_t *kn;
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int pagesize = server->machine.pagesize;
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#ifndef KSTAT_DATA_UINT32
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#define ui32 ul
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#endif
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memset (buf, 0, sizeof (glibtop_mem));
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buf->total = (u_int64_t)sysconf(_SC_PHYS_PAGES) << pagesize << 10;
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buf->flags = _glibtop_sysdeps_mem_os_sysconf;
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if(!kc)
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return;
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switch(kstat_chain_update(kc))
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{
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case -1: assert(0); /* Debugging purposes, shouldn't happen */
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case 0: break;
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default: glibtop_get_kstats(server);
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}
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if((ksp = server->machine.syspages) && kstat_read(kc, ksp, NULL) >= 0)
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{
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kn = (kstat_named_t *)kstat_data_lookup(ksp, "pagesfree");
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if(kn)
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{
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#ifdef _LP64
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buf->free = kn->value.ui64 << pagesize << 10;
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#else
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buf->free = kn->value.ui32 << pagesize << 10;
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#endif
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buf->used = buf->total - buf->free;
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}
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kn = (kstat_named_t *)kstat_data_lookup(ksp, "pageslocked");
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if(kn)
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#ifdef _LP64
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buf->locked = kn->value.ui64 << pagesize;
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#else
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buf->locked = kn->value.ui32 << pagesize;
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#endif
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buf->flags += _glibtop_sysdeps_mem_os_kstat;
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}
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/* Bunyip module provides data in multiples of system page size */
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if((ksp = server->machine.bunyip) && kstat_read(kc, ksp, NULL) >= 0)
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{
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kn = (kstat_named_t *)kstat_data_lookup(ksp, "pages_anon");
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if(kn)
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#ifdef _LP64
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buf->user = kn->value.ui64 << pagesize << 10;
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#else
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buf->user = kn->value.ui32 << pagesize << 10;
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#endif
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kn = (kstat_named_t *)kstat_data_lookup(ksp, "pages_exec");
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if(kn)
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#ifdef _LP64
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buf->shared = kn->value.ui64 << pagesize << 10;
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#else
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buf->shared = kn->value.ui32 << pagesize << 10;
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#endif
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kn = (kstat_named_t *)kstat_data_lookup(ksp, "pages_vnode");
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if(kn)
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#ifdef _LP64
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buf->buffer = kn->value.ui64 << pagesize << 10;
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#else
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buf->buffer = kn->value.ui32 << pagesize << 10;
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#endif
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buf->flags += _glibtop_sysdeps_mem_bunyip;
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}
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}
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