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Diffstat (limited to 'ksysguard/ksysguardd/FreeBSD/Memory.c')
| -rw-r--r-- | ksysguard/ksysguardd/FreeBSD/Memory.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/ksysguard/ksysguardd/FreeBSD/Memory.c b/ksysguard/ksysguardd/FreeBSD/Memory.c new file mode 100644 index 000000000..9e3db646c --- /dev/null +++ b/ksysguard/ksysguardd/FreeBSD/Memory.c @@ -0,0 +1,209 @@ +/* + KSysGuard, the KDE System Guard + + Copyright (c) 1999-2000 Hans Petter Bieker <[email protected]> + Copyright (c) 1999 Chris Schlaeger <[email protected]> + + 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 <sys/types.h> +#include <sys/param.h> +#include <sys/sysctl.h> +#include <sys/vmmeter.h> + +#include <vm/vm_param.h> + +#include <fcntl.h> +#include <kvm.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#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 Application = 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/physical/application", "integer", printApplication, printApplicationInfo, 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) +{ + size_t len; + FILE *file; + char buf[256]; + struct kvm_swap kswap[16]; + int i, swap_count, hlen, pagesize = getpagesize(); + long blocksize; + + len = sizeof (Total); + sysctlbyname("hw.physmem", &Total, &len, NULL, 0); + Total /= 1024; + + /* Borrowed from pstat */ + swap_count = kvm_getswapinfo(kd, kswap, 16, SWIF_DEV_PREFIX); + getbsize(&hlen, &blocksize); + +#define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) + + if (swap_count > 0) { + STotal = CONVERT(kswap[0].ksw_total); + SUsed = CONVERT(kswap[0].ksw_used); + SFree = CONVERT(kswap[0].ksw_total - kswap[0].ksw_used); + } + + len = sizeof (Buffers); + if ((sysctlbyname("vfs.bufspace", &Buffers, &len, NULL, 0) == -1) || !len) + Buffers = 0; /* Doesn't work under FreeBSD v2.2.x */ + Buffers /= 1024; + + len = sizeof (Cached); + if ((sysctlbyname("vm.stats.vm.v_cache_count", &Cached, &len, NULL, 0) == -1) || !len) + Cached = 0; /* Doesn't work under FreeBSD v2.2.x */ + Cached *= pagesize / 1024; + + len = sizeof (MFree); + if ((sysctlbyname("vm.stats.vm.v_free_count", &MFree, &len, NULL, 0) == -1) || !len) + MFree = 0; /* Doesn't work under FreeBSD v2.2.x */ + MFree *= pagesize / 1024; + + Used = Total - MFree; + Application = Used - Buffers - Cached; + + 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 +printApplication(const char* cmd) +{ + fprintf(CurrentClient, "%d\n", Application); +} + +void +printApplicationInfo(const char* cmd) +{ + fprintf(CurrentClient, "Application Memory\t0\t%ld\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); +} |