ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
FreeBSDProcessList* fpl = calloc(1, sizeof(FreeBSDProcessList));
ProcessList* pl = (ProcessList*) fpl;
ProcessList_init(pl, Class(FreeBSDProcess), 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);
CPUData* tmp_cpus = (CPUData*) realloc(fpl->cpus, cpus * sizeof(CPUData));
assert(tmp_cpus != NULL);
fpl->cpus = tmp_cpus;
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;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
int mib[] = { CTL_HW, HW_NCPU };
int fmib[] = { CTL_KERN, KERN_FSCALE };
int i, e;
OpenBSDProcessList* opl = calloc(1, sizeof(OpenBSDProcessList));
ProcessList* pl = (ProcessList*) opl;
size_t size = sizeof(pl->cpuCount);
ProcessList_init(pl, Class(OpenBSDProcess), usersTable, pidWhiteList, userId);
e = sysctl(mib, 2, &pl->cpuCount, &size, NULL, 0);
if (e == -1 || pl->cpuCount < 1) {
pl->cpuCount = 1;
}
opl->cpus = realloc(opl->cpus, pl->cpuCount * sizeof(CPUData));
size = sizeof(fscale);
if (sysctl(fmib, 2, &fscale, &size, NULL, 0) < 0)
err(1, "fscale sysctl call failed");
for (i = 0; i < pl->cpuCount; i++) {
opl->cpus[i].totalTime = 1;
opl->cpus[i].totalPeriod = 1;
}
pageSizeKb = PAGE_SIZE_KB;
// XXX: last arg should eventually be an errbuf
opl->kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, NULL);
assert(opl->kd);
return pl;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
LinuxProcessList* this = calloc(1, sizeof(LinuxProcessList));
ProcessList* pl = &(this->super);
ProcessList_init(pl, Class(LinuxProcess), usersTable, pidWhiteList, userId);
// Update CPU count:
FILE* file = fopen(PROCSTATFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
char buffer[PROC_LINE_LENGTH + 1];
int cpus = -1;
do {
cpus++;
char * s = fgets(buffer, PROC_LINE_LENGTH, file);
(void) s;
} while (String_startsWith(buffer, "cpu"));
fclose(file);
pl->cpuCount = MAX(cpus - 1, 1);
this->cpus = calloc(cpus, sizeof(CPUData));
for (int i = 0; i < cpus; i++) {
this->cpus[i].totalTime = 1;
this->cpus[i].totalPeriod = 1;
}
return pl;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
SolarisProcessList* spl = xCalloc(1, sizeof(SolarisProcessList));
ProcessList* pl = (ProcessList*) spl;
ProcessList_init(pl, Class(SolarisProcess), usersTable, pidWhiteList, userId);
spl->kd = kstat_open();
pl->cpuCount = sysconf(_SC_NPROCESSORS_ONLN);
if (pl->cpuCount == 1 ) {
spl->cpus = xRealloc(spl->cpus, sizeof(CPUData));
} else {
spl->cpus = xRealloc(spl->cpus, (pl->cpuCount + 1) * sizeof(CPUData));
}
return pl;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
DarwinProcessList* this = calloc(1, sizeof(DarwinProcessList));
ProcessList_init(&this->super, Class(Process), usersTable, pidWhiteList, userId);
/* Initialize the CPU information */
this->super.cpuCount = ProcessList_allocateCPULoadInfo(&this->prev_load);
ProcessList_getHostInfo(&this->host_info);
ProcessList_allocateCPULoadInfo(&this->curr_load);
/* Initialize the VM statistics */
ProcessList_getVMStats(&this->vm_stats);
this->super.kernelThreads = 0;
this->super.userlandThreads = 0;
this->super.totalTasks = 0;
this->super.runningTasks = 0;
return &this->super;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
FreeBSDProcessList* fpl = calloc(1, sizeof(FreeBSDProcessList));
ProcessList* pl = (ProcessList*) fpl;
ProcessList_init(pl, Class(FreeBSDProcess), usersTable, pidWhiteList, userId);
size_t len;
// physical memory in system: hw.physmem
// physical page size: hw.pagesize
// usable pagesize : vm.stats.vm.v_page_size
len = 2; sysctlnametomib("hw.physmem", MIB_hw_physmem, &len);
len = sizeof(pageSize);
if (sysctlbyname("vm.stats.vm.v_page_size", &pageSize, &len, NULL, 0) == -1) {
pageSize = PAGE_SIZE;
pageSizeKb = PAGE_SIZE_KB;
} else {
pageSizeKb = pageSize / ONE_K;
}
// usable page count vm.stats.vm.v_page_count
// actually usable memory : vm.stats.vm.v_page_count * vm.stats.vm.v_page_size
len = 4; sysctlnametomib("vm.stats.vm.v_page_count", MIB_vm_stats_vm_v_page_count, &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_active_count", MIB_vm_stats_vm_v_active_count, &len);
len = 4; sysctlnametomib("vm.stats.vm.v_cache_count", MIB_vm_stats_vm_v_cache_count, &len);
len = 4; sysctlnametomib("vm.stats.vm.v_inactive_count", MIB_vm_stats_vm_v_inactive_count, &len);
len = 4; sysctlnametomib("vm.stats.vm.v_free_count", MIB_vm_stats_vm_v_free_count, &len);
len = 2; sysctlnametomib("vfs.bufspace", MIB_vfs_bufspace, &len);
len = sizeof(fpl->memZfsArc);
if (sysctlbyname("kstat.zfs.misc.arcstats.size", &fpl->memZfsArc, &len,
NULL, 0) == 0 && fpl->memZfsArc != 0) {
sysctlnametomib("kstat.zfs.misc.arcstats.size", MIB_kstat_zfs_misc_arcstats_size, &len);
fpl->zfsArcEnabled = 1;
} else {
fpl->zfsArcEnabled = 0;
}
int smp = 0;
len = sizeof(smp);
if (sysctlbyname("kern.smp.active", &smp, &len, NULL, 0) != 0 || len != sizeof(smp)) {
smp = 0;
}
int cpus = 1;
len = sizeof(cpus);
if (smp) {
int err = sysctlbyname("kern.smp.cpus", &cpus, &len, NULL, 0);
if (err) cpus = 1;
} else {
cpus = 1;
}
size_t sizeof_cp_time_array = sizeof(unsigned long) * CPUSTATES;
len = 2; sysctlnametomib("kern.cp_time", MIB_kern_cp_time, &len);
fpl->cp_time_o = calloc(cpus, sizeof_cp_time_array);
fpl->cp_time_n = calloc(cpus, sizeof_cp_time_array);
len = sizeof_cp_time_array;
// fetch intial single (or average) CPU clicks from kernel
sysctl(MIB_kern_cp_time, 2, fpl->cp_time_o, &len, NULL, 0);
// on smp box, fetch rest of intial CPU's clicks
if (cpus > 1) {
len = 2; sysctlnametomib("kern.cp_times", MIB_kern_cp_times, &len);
fpl->cp_times_o = calloc(cpus, sizeof_cp_time_array);
fpl->cp_times_n = calloc(cpus, sizeof_cp_time_array);
len = cpus * sizeof_cp_time_array;
sysctl(MIB_kern_cp_times, 2, fpl->cp_times_o, &len, NULL, 0);
}
pl->cpuCount = MAX(cpus, 1);
if (cpus == 1 ) {
fpl->cpus = realloc(fpl->cpus, sizeof(CPUData));
} else {
// on smp we need CPUs + 1 to store averages too (as kernel kindly provides that as well)
fpl->cpus = realloc(fpl->cpus, (pl->cpuCount + 1) * sizeof(CPUData));
}
len = sizeof(kernelFScale);
if (sysctlbyname("kern.fscale", &kernelFScale, &len, NULL, 0) == -1) {
//sane default for kernel provded CPU precentage scaling, at least on x86 machines, in case this sysctl call failed
kernelFScale = 2048;
}
fpl->kd = kvm_open(NULL, "/dev/null", NULL, 0, NULL);
assert(fpl->kd);
return pl;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
ProcessList* this = xCalloc(1, sizeof(ProcessList));
ProcessList_init(this, Class(Process), usersTable, pidWhiteList, userId);
return this;
}
