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/*
KSysGuard, the KDE System Guard
Copyright (c) 1999-2000 Hans Petter Bieker <bieker@kde.org>
Copyright (c) 1999 Chris Schlaeger <cs@kde.org>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <fcntl.h>
#include <kvm.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/vmmeter.h>
#include <unistd.h>
/* Everything post 1.5.x uses uvm/uvm_* includes */
#if __NetBSD_Version__ >= 105010000
#include <uvm/uvm_param.h>
#else
#include <vm/vm_param.h>
#endif
#include "Command.h"
#include "Memory.h"
#include "ksysguardd.h"
static size_t Total = 0;
static size_t MFree = 0;
static size_t Used = 0;
static size_t Buffers = 0;
static size_t Cached = 0;
static size_t STotal = 0;
static size_t SFree = 0;
static size_t SUsed = 0;
static kvm_t *kd;
void
initMemory(struct SensorModul* sm)
{
char *nlistf = NULL;
char *memf = NULL;
char buf[_POSIX2_LINE_MAX];
if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) {
log_error("kvm_openfiles()");
return;
}
registerMonitor("mem/physical/free", "integer", printMFree, printMFreeInfo, sm);
registerMonitor("mem/physical/used", "integer", printUsed, printUsedInfo, sm);
registerMonitor("mem/physical/buf", "integer", printBuffers, printBuffersInfo, sm);
registerMonitor("mem/physical/cached", "integer", printCached, printCachedInfo, sm);
registerMonitor("mem/swap/free", "integer", printSwapFree, printSwapFreeInfo, sm);
registerMonitor("mem/swap/used", "integer", printSwapUsed, printSwapUsedInfo, sm);
}
void
exitMemory(void)
{
kvm_close(kd);
}
int
updateMemory(void)
{
#define ARRLEN(X) (sizeof(X)/sizeof(X[0]))
long pagesize; /* using a long promotes the arithmetic */
size_t len;
{
static int mib[]={ CTL_HW, HW_PHYSMEM };
len = sizeof(Total);
sysctl(mib, ARRLEN(mib), &Total, &len, NULL, 0);
Total >>= 10;
}
{
struct uvmexp x;
static int mib[] = { CTL_VM, VM_UVMEXP };
len = sizeof(x);
STotal = SUsed = SFree = -1;
pagesize = 1;
if (-1 < sysctl(mib, ARRLEN(mib), &x, &len, NULL, 0)) {
pagesize = x.pagesize;
STotal = (pagesize*x.swpages) >> 10;
SUsed = (pagesize*x.swpginuse) >> 10;
SFree = STotal - SUsed;
}
}
/* can't find NetBSD filesystem buffer info */
Buffers = -1;
/* NetBSD doesn't know about vm.stats */
Cached = -1;
{
static int mib[]={ CTL_VM, VM_METER };
struct vmtotal x;
len = sizeof(x);
MFree = Used = -1;
if (sysctl(mib, ARRLEN(mib), &x, &len, NULL, 0) > -1) {
MFree = (x.t_free * pagesize) >> 10;
Used = (x.t_rm * pagesize) >> 10;
}
}
return 0;
}
void
printMFree(const char* cmd)
{
fprintf(CurrentClient, "%d\n", MFree);
}
void
printMFreeInfo(const char* cmd)
{
fprintf(CurrentClient, "Free Memory\t0\t%d\tKB\n", Total);
}
void
printUsed(const char* cmd)
{
fprintf(CurrentClient, "%d\n", Used);
}
void
printUsedInfo(const char* cmd)
{
fprintf(CurrentClient, "Used Memory\t0\t%d\tKB\n", Total);
}
void
printBuffers(const char* cmd)
{
fprintf(CurrentClient, "%d\n", Buffers);
}
void
printBuffersInfo(const char* cmd)
{
fprintf(CurrentClient, "Buffer Memory\t0\t%d\tKB\n", Total);
}
void
printCached(const char* cmd)
{
fprintf(CurrentClient, "%d\n", Cached);
}
void
printCachedInfo(const char* cmd)
{
fprintf(CurrentClient, "Cached Memory\t0\t%d\tKB\n", Total);
}
void
printSwapUsed(const char* cmd)
{
fprintf(CurrentClient, "%d\n", SUsed);
}
void
printSwapUsedInfo(const char* cmd)
{
fprintf(CurrentClient, "Used Swap Memory\t0\t%d\tKB\n", STotal);
}
void
printSwapFree(const char* cmd)
{
fprintf(CurrentClient, "%d\n", SFree);
}
void
printSwapFreeInfo(const char* cmd)
{
fprintf(CurrentClient, "Free Swap Memory\t0\t%d\tKB\n", STotal);
}
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