diff options
Diffstat (limited to 'sysdeps/bsd/mem.c')
| -rw-r--r-- | sysdeps/bsd/mem.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/sysdeps/bsd/mem.c b/sysdeps/bsd/mem.c deleted file mode 100644 index 3043c407..00000000 --- a/sysdeps/bsd/mem.c +++ /dev/null @@ -1,222 +0,0 @@ -/* 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <config.h> -#include <glibtop.h> -#include <glibtop/error.h> -#include <glibtop/mem.h> - -#include <glibtop_suid.h> - -#include <sys/sysctl.h> -#include <sys/vmmeter.h> -#if defined(__NetBSD__) && (__NetBSD_Version__ < 105020000) -#include <vm/vm_param.h> -#endif - -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) -#include <uvm/uvm_extern.h> -#endif - -static const unsigned long _glibtop_sysdeps_mem = -(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) + -(1L << GLIBTOP_MEM_FREE) + -(1L << GLIBTOP_MEM_SHARED) + -(1L << GLIBTOP_MEM_BUFFER) + -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -(1L << GLIBTOP_MEM_CACHED) + -#endif -(1L << GLIBTOP_MEM_USER) + (1L << GLIBTOP_MEM_LOCKED); - -#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) - -/* nlist structure for kernel access */ -static struct nlist nlst [] = { -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) - { "_bufpages" }, - { 0 } -#else -#if defined(__bsdi__) - { "_bufcachemem" }, -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - { "_bufspace" }, -#else - { "_bufpages" }, -#endif - { "_cnt" }, - { 0 } -#endif -}; - -/* MIB array for sysctl */ -#ifdef __bsdi__ -static int mib [] = { CTL_VM, VM_TOTAL }; -#else -static int mib [] = { CTL_VM, VM_METER }; -#endif - -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) -static int mib_uvmexp [] = { CTL_VM, VM_UVMEXP }; -#endif - -/* Init function. */ - -void -_glibtop_init_mem_p (glibtop *server) -{ - register int pagesize; - - if (kvm_nlist (server->machine.kd, nlst) < 0) { - glibtop_warn_io_r (server, "kvm_nlist (mem)"); - return; - } - - /* get the page size with "getpagesize" and calculate pageshift - * from it */ - pagesize = getpagesize (); - pageshift = 0; - while (pagesize > 1) { - pageshift++; - pagesize >>= 1; - } - - /* we only need the amount of log(2)1024 for our conversion */ - pageshift -= LOG1024; - - server->sysdeps.mem = _glibtop_sysdeps_mem; -} - -void -glibtop_get_mem_p (glibtop *server, glibtop_mem *buf) -{ - struct vmtotal vmt; - size_t length_vmt; -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) - struct uvmexp uvmexp; - size_t length_uvmexp; -#else - struct vmmeter vmm; -#endif - u_int v_used_count; - u_int v_total_count; - u_int v_free_count; - int bufspace; - - glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_MEM), 0); - - memset (buf, 0, sizeof (glibtop_mem)); - - if (server->sysdeps.mem == 0) - return; - - /* [FIXME: On FreeBSD 2.2.6, sysctl () returns an incorrect - * value for `vmt.vm'. We use some code from Unix top - * here.] */ - - /* Get the data from sysctl */ - length_vmt = sizeof (vmt); - if (sysctl (mib, 2, &vmt, &length_vmt, NULL, 0)) { - glibtop_warn_io_r (server, "sysctl (vmt)"); - return; - } - -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) - length_uvmexp = sizeof (uvmexp); - if (sysctl (mib_uvmexp, 2, &uvmexp, &length_uvmexp, NULL, 0)) { - glibtop_warn_io_r (server, "sysctl (uvmexp)"); - return; - } -#else - /* Get the data from kvm_* */ - if (kvm_read (server->machine.kd, nlst[1].n_value, - &vmm, sizeof (vmm)) != sizeof (vmm)) { - glibtop_warn_io_r (server, "kvm_read (cnt)"); - return; - } -#endif - - if (kvm_read (server->machine.kd, nlst[0].n_value, - &bufspace, sizeof (bufspace)) != sizeof (bufspace)) { - glibtop_warn_io_r (server, "kvm_read (bufspace)"); - return; - } - - /* convert memory stats to Kbytes */ - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - v_total_count = vmm.v_page_count; -#else -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) - v_total_count = uvmexp.reserve_kernel + - uvmexp.reserve_pagedaemon + - uvmexp.free + uvmexp.wired + uvmexp.active + - uvmexp.inactive; -#else - v_total_count = vmm.v_kernel_pages + - vmm.v_free_count + vmm.v_wire_count + - vmm.v_active_count + vmm.v_inactive_count; -#endif -#endif - -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) - v_used_count = uvmexp.active + uvmexp.inactive; - v_free_count = uvmexp.free; -#else - v_used_count = vmm.v_active_count + vmm.v_inactive_count; - v_free_count = vmm.v_free_count; -#endif - - buf->total = (guint64) pagetok (v_total_count) << LOG1024; - buf->used = (guint64) pagetok (v_used_count) << LOG1024; - buf->free = (guint64) pagetok (v_free_count) << LOG1024; - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - buf->cached = (guint64) pagetok (vmm.v_cache_count) << LOG1024; -#endif - -#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000) || defined(__OpenBSD__) - buf->locked = (guint64) pagetok (uvmexp.wired) << LOG1024; -#else - buf->locked = (guint64) pagetok (vmm.v_wire_count) << LOG1024; -#endif - - buf->shared = (guint64) pagetok (vmt.t_rmshr) << LOG1024; - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - buf->buffer = (guint64) bufspace; -#else - buf->buffer = (guint64) pagetok (bufspace) << LOG1024; -#endif - - /* user */ - buf->user = buf->total - buf->free - buf->shared - buf->buffer; - - /* Set the values to return */ - buf->flags = _glibtop_sysdeps_mem; -} |