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/*
htop - FreeBSDProcessList.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ProcessList.h"
#include "FreeBSDProcessList.h"
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <fcntl.h>
/*{
#include <kvm.h>
typedef struct CPUData_ {
unsigned long long int totalTime;
unsigned long long int totalPeriod;
} CPUData;
typedef struct FreeBSDProcessList_ {
ProcessList super;
kvm_t* kd;
CPUData* cpus;
} FreeBSDProcessList;
}*/
static int MIB_vm_stats_vm_v_wire_count[4];
static int MIB_vm_stats_vm_v_cache_count[4];
static int MIB_hw_physmem[2];
static int pageSizeKb;
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
FreeBSDProcessList* fpl = calloc(1, sizeof(FreeBSDProcessList));
ProcessList* pl = (ProcessList*) fpl;
ProcessList_init(pl, usersTable, pidWhiteList, userId);
int cpus = 1;
size_t sizeof_cpus = sizeof(cpus);
int err = sysctlbyname("hw.ncpu", &cpus, &sizeof_cpus, NULL, 0);
if (err) cpus = 1;
pl->cpuCount = MAX(cpus, 1);
fpl->cpus = realloc(fpl->cpus, cpus * sizeof(CPUData));
for (int i = 0; i < cpus; i++) {
fpl->cpus[i].totalTime = 1;
fpl->cpus[i].totalPeriod = 1;
}
size_t len;
len = 4; sysctlnametomib("vm.stats.vm.v_wire_count", MIB_vm_stats_vm_v_wire_count, &len);
len = 4; sysctlnametomib("vm.stats.vm.v_cache_count", MIB_vm_stats_vm_v_cache_count, &len);
len = 2; sysctlnametomib("hw.physmem", MIB_hw_physmem, &len);
pageSizeKb = PAGE_SIZE_KB;
fpl->kd = kvm_open(NULL, "/dev/null", NULL, 0, NULL);
assert(fpl->kd);
return pl;
}
void ProcessList_delete(ProcessList* this) {
const FreeBSDProcessList* fpl = (FreeBSDProcessList*) this;
if (fpl->kd) kvm_close(fpl->kd);
ProcessList_done(this);
free(this);
}
static inline void FreeBSDProcessList_scanMemoryInfo(ProcessList* pl) {
const FreeBSDProcessList* fpl = (FreeBSDProcessList*) pl;
size_t len = sizeof(pl->totalMem);
sysctl(MIB_hw_physmem, 2, &(pl->totalMem), &len, NULL, 0);
pl->totalMem /= 1024;
sysctl(MIB_vm_stats_vm_v_wire_count, 4, &(pl->usedMem), &len, NULL, 0);
pl->usedMem *= pageSizeKb;
pl->freeMem = pl->totalMem - pl->usedMem;
sysctl(MIB_vm_stats_vm_v_cache_count, 4, &(pl->cachedMem), &len, NULL, 0);
pl->cachedMem *= pageSizeKb;
struct kvm_swap swap[16];
int nswap = kvm_getswapinfo(fpl->kd, swap, sizeof(swap)/sizeof(swap[0]), 0);
pl->totalSwap = 0;
pl->usedSwap = 0;
for (int i = 0; i < nswap; i++) {
pl->totalSwap += swap[i].ksw_total;
pl->usedSwap += swap[i].ksw_used;
}
pl->totalSwap *= pageSizeKb;
pl->usedSwap *= pageSizeKb;
pl->sharedMem = 0; // currently unused
pl->buffersMem = 0; // not exposed to userspace
}
void ProcessList_scan(ProcessList* this) {
(void) this;
FreeBSDProcessList_scanMemoryInfo(this);
// stub!
}
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