mirror of https://github.com/xzeldon/htop.git
251 lines
7.1 KiB
C
251 lines
7.1 KiB
C
/*
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htop - OpenBSDProcessList.c
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(C) 2014 Hisham H. Muhammad
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(C) 2015 Michael McConville
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "ProcessList.h"
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#include "OpenBSDProcessList.h"
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#include "OpenBSDProcess.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <err.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/resource.h>
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/*{
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#include <kvm.h>
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typedef struct CPUData_ {
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unsigned long long int totalTime;
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unsigned long long int totalPeriod;
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} CPUData;
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typedef struct OpenBSDProcessList_ {
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ProcessList super;
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kvm_t* kd;
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CPUData* cpus;
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} OpenBSDProcessList;
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}*/
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static int pageSizeKb;
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static long fscale;
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ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
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int mib[] = { CTL_HW, HW_NCPU };
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int fmib[] = { CTL_KERN, KERN_FSCALE };
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int i;
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OpenBSDProcessList* fpl = calloc(1, sizeof(OpenBSDProcessList));
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ProcessList* pl = (ProcessList*) fpl;
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size_t size = sizeof(pl->cpuCount);
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ProcessList_init(pl, Class(OpenBSDProcess), usersTable, pidWhiteList, userId);
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pl->cpuCount = 1; // default to 1 on sysctl() error
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(void)sysctl(mib, 2, &pl->cpuCount, &size, NULL, 0);
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fpl->cpus = realloc(fpl->cpus, pl->cpuCount * sizeof(CPUData));
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size = sizeof(fscale);
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if (sysctl(fmib, 2, &fscale, &size, NULL, 0) < 0)
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err(1, "fscale sysctl call failed");
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for (i = 0; i < pl->cpuCount; i++) {
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fpl->cpus[i].totalTime = 1;
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fpl->cpus[i].totalPeriod = 1;
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}
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pageSizeKb = PAGE_SIZE_KB;
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// XXX: last arg should eventually be an errbuf
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fpl->kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, NULL);
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assert(fpl->kd);
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return pl;
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}
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void ProcessList_delete(ProcessList* this) {
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const OpenBSDProcessList* fpl = (OpenBSDProcessList*) this;
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if (fpl->kd) kvm_close(fpl->kd);
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ProcessList_done(this);
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free(this);
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}
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static inline void OpenBSDProcessList_scanMemoryInfo(ProcessList* pl) {
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static int uvmexp_mib[] = {CTL_VM, VM_UVMEXP};
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struct uvmexp uvmexp;
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size_t size = sizeof(uvmexp);
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if (sysctl(uvmexp_mib, 2, &uvmexp, &size, NULL, 0) < 0) {
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err(1, "uvmexp sysctl call failed");
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}
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//kb_pagesize = uvmexp.pagesize / 1024;
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pl->usedMem = uvmexp.active * pageSizeKb;
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pl->totalMem = uvmexp.npages * pageSizeKb;
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/*
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const OpenBSDProcessList* fpl = (OpenBSDProcessList*) pl;
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size_t len = sizeof(pl->totalMem);
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sysctl(MIB_hw_physmem, 2, &(pl->totalMem), &len, NULL, 0);
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pl->totalMem /= 1024;
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sysctl(MIB_vm_stats_vm_v_wire_count, 4, &(pl->usedMem), &len, NULL, 0);
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pl->usedMem *= pageSizeKb;
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pl->freeMem = pl->totalMem - pl->usedMem;
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sysctl(MIB_vm_stats_vm_v_cache_count, 4, &(pl->cachedMem), &len, NULL, 0);
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pl->cachedMem *= pageSizeKb;
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struct kvm_swap swap[16];
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int nswap = kvm_getswapinfo(fpl->kd, swap, sizeof(swap)/sizeof(swap[0]), 0);
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pl->totalSwap = 0;
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pl->usedSwap = 0;
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for (int i = 0; i < nswap; i++) {
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pl->totalSwap += swap[i].ksw_total;
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pl->usedSwap += swap[i].ksw_used;
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}
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pl->totalSwap *= pageSizeKb;
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pl->usedSwap *= pageSizeKb;
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pl->sharedMem = 0; // currently unused
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pl->buffersMem = 0; // not exposed to userspace
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*/
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}
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char *OpenBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kproc, int* basenameEnd) {
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char *str, *buf, **argv;
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size_t cpsz;
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size_t len = 500;
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argv = kvm_getargv(kd, kproc, 500);
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if (argv == NULL)
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err(1, "kvm call failed");
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str = buf = malloc(len+1);
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if (str == NULL)
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err(1, "out of memory");
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while (*argv != NULL) {
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cpsz = MIN(len, strlen(*argv));
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strncpy(buf, *argv, cpsz);
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buf += cpsz;
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len -= cpsz;
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argv++;
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if (len > 0) {
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*buf = ' ';
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buf++;
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len--;
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}
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}
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*buf = '\0';
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return str;
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}
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/*
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* Taken from OpenBSD's ps(1).
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*/
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double getpcpu(const struct kinfo_proc *kp) {
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if (fscale == 0)
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return (0.0);
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#define fxtofl(fixpt) ((double)(fixpt) / fscale)
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return (100.0 * fxtofl(kp->p_pctcpu));
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}
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void ProcessList_goThroughEntries(ProcessList* this) {
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OpenBSDProcessList* fpl = (OpenBSDProcessList*) this;
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Settings* settings = this->settings;
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bool hideKernelThreads = settings->hideKernelThreads;
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bool hideUserlandThreads = settings->hideUserlandThreads;
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struct kinfo_proc* kproc;
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bool preExisting;
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Process* proc;
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OpenBSDProcess* fp;
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int count = 0;
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int i;
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OpenBSDProcessList_scanMemoryInfo(this);
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// use KERN_PROC_KTHREAD to also include kernel threads
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struct kinfo_proc* kprocs = kvm_getprocs(fpl->kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
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//struct kinfo_proc* kprocs = getprocs(KERN_PROC_ALL, 0, &count);
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for (i = 0; i < count; i++) {
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kproc = &kprocs[i];
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preExisting = false;
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proc = ProcessList_getProcess(this, kproc->p_pid, &preExisting, (Process_New) OpenBSDProcess_new);
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fp = (OpenBSDProcess*) proc;
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proc->show = ! ((hideKernelThreads && Process_isKernelThread(proc))
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|| (hideUserlandThreads && Process_isUserlandThread(proc)));
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if (!preExisting) {
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proc->ppid = kproc->p_ppid;
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proc->tpgid = kproc->p_tpgid;
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proc->tgid = kproc->p_pid;
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proc->session = kproc->p_sid;
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proc->tty_nr = kproc->p_tdev;
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proc->pgrp = kproc->p__pgid;
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proc->st_uid = kproc->p_uid;
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proc->starttime_ctime = kproc->p_ustart_sec;
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proc->user = UsersTable_getRef(this->usersTable, proc->st_uid);
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ProcessList_add((ProcessList*)this, proc);
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proc->comm = OpenBSDProcessList_readProcessName(fpl->kd, kproc, &proc->basenameOffset);
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} else {
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if (settings->updateProcessNames) {
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free(proc->comm);
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proc->comm = OpenBSDProcessList_readProcessName(fpl->kd, kproc, &proc->basenameOffset);
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}
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}
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proc->m_size = kproc->p_vm_dsize;
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proc->m_resident = kproc->p_vm_rssize;
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proc->percent_mem = (proc->m_resident * PAGE_SIZE_KB) / (double)(this->totalMem) * 100.0;
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proc->percent_cpu = MAX(MIN(getpcpu(kproc), this->cpuCount*100.0), 0.0);
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//proc->nlwp = kproc->p_numthreads;
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//proc->time = kproc->p_rtime_sec + ((kproc->p_rtime_usec + 500000) / 10);
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proc->nice = kproc->p_nice - 20;
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proc->time = kproc->p_rtime_sec + ((kproc->p_rtime_usec + 500000) / 1000000);
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proc->time *= 100;
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proc->priority = kproc->p_priority - PZERO;
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switch (kproc->p_stat) {
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case SIDL: proc->state = 'I'; break;
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case SRUN: proc->state = 'R'; break;
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case SSLEEP: proc->state = 'S'; break;
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case SSTOP: proc->state = 'T'; break;
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case SZOMB: proc->state = 'Z'; break;
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case SDEAD: proc->state = 'D'; break;
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case SONPROC: proc->state = 'P'; break;
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default: proc->state = '?';
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}
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if (Process_isKernelThread(proc)) {
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this->kernelThreads++;
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}
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this->totalTasks++;
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if (proc->state == 'R') {
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this->runningTasks++;
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}
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proc->updated = true;
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}
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}
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