mirror of https://github.com/xzeldon/htop.git
280 lines
8.0 KiB
C
280 lines
8.0 KiB
C
/*
|
|
htop - OpenBSDProcessList.c
|
|
(C) 2014 Hisham H. Muhammad
|
|
(C) 2015 Michael McConville
|
|
Released under the GNU GPL, see the COPYING file
|
|
in the source distribution for its full text.
|
|
*/
|
|
|
|
#include "ProcessList.h"
|
|
#include "OpenBSDProcessList.h"
|
|
#include "OpenBSDProcess.h"
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/param.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/user.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
/*{
|
|
|
|
#include <kvm.h>
|
|
|
|
typedef struct CPUData_ {
|
|
unsigned long long int totalTime;
|
|
unsigned long long int totalPeriod;
|
|
} CPUData;
|
|
|
|
typedef struct OpenBSDProcessList_ {
|
|
ProcessList super;
|
|
kvm_t* kd;
|
|
|
|
CPUData* cpus;
|
|
|
|
} OpenBSDProcessList;
|
|
|
|
}*/
|
|
|
|
#ifndef CLAMP
|
|
#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
|
|
#endif
|
|
|
|
static int pageSizeKb;
|
|
static long fscale;
|
|
|
|
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 = xCalloc(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 = xRealloc(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;
|
|
}
|
|
|
|
void ProcessList_delete(ProcessList* this) {
|
|
const OpenBSDProcessList* opl = (OpenBSDProcessList*) this;
|
|
if (opl->kd) kvm_close(opl->kd);
|
|
|
|
free(opl->cpus);
|
|
|
|
ProcessList_done(this);
|
|
free(this);
|
|
}
|
|
|
|
static inline void OpenBSDProcessList_scanMemoryInfo(ProcessList* pl) {
|
|
static int uvmexp_mib[] = {CTL_VM, VM_UVMEXP};
|
|
struct uvmexp uvmexp;
|
|
size_t size_uvmexp = sizeof(uvmexp);
|
|
|
|
if (sysctl(uvmexp_mib, 2, &uvmexp, &size_uvmexp, NULL, 0) < 0) {
|
|
err(1, "uvmexp sysctl call failed");
|
|
}
|
|
|
|
//kb_pagesize = uvmexp.pagesize / 1024;
|
|
pl->totalMem = uvmexp.npages * pageSizeKb;
|
|
|
|
// Taken from OpenBSD systat/iostat.c, top/machine.c and uvm_sysctl(9)
|
|
static int bcache_mib[] = {CTL_VFS, VFS_GENERIC, VFS_BCACHESTAT};
|
|
struct bcachestats bcstats;
|
|
size_t size_bcstats = sizeof(bcstats);
|
|
|
|
if (sysctl(bcache_mib, 3, &bcstats, &size_bcstats, NULL, 0) < 0) {
|
|
err(1, "cannot get vfs.bcachestat");
|
|
}
|
|
|
|
pl->cachedMem = bcstats.numbufpages * pageSizeKb;
|
|
pl->freeMem = uvmexp.free * pageSizeKb;
|
|
pl->usedMem = (uvmexp.npages - uvmexp.free - uvmexp.paging) * pageSizeKb;
|
|
|
|
/*
|
|
const OpenBSDProcessList* opl = (OpenBSDProcessList*) 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(opl->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
|
|
*/
|
|
}
|
|
|
|
char *OpenBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kproc, int* basenameEnd) {
|
|
char *s, *buf, **arg;
|
|
size_t cpsz, len = 0, n;
|
|
int i;
|
|
|
|
/*
|
|
* We attempt to fall back to just the command name (argv[0]) if we
|
|
* fail to construct the full command at any point.
|
|
*/
|
|
arg = kvm_getargv(kd, kproc, 500);
|
|
if (arg == NULL) {
|
|
if ((s = xStrdup(kproc->p_comm)) == NULL) {
|
|
err(1, NULL);
|
|
}
|
|
return s;
|
|
}
|
|
for (i = 0; arg[i] != NULL; i++) {
|
|
len += strlen(arg[i]) + 1;
|
|
}
|
|
if ((buf = s = xMalloc(len)) == NULL) {
|
|
if ((s = xStrdup(kproc->p_comm)) == NULL) {
|
|
err(1, NULL);
|
|
}
|
|
return s;
|
|
}
|
|
for (i = 0; arg[i] != NULL; i++) {
|
|
n = strlcpy(buf, arg[i], (s + len) - buf);
|
|
buf += n;
|
|
if (i == 0) {
|
|
*basenameEnd = n;
|
|
}
|
|
*buf = ' ';
|
|
buf++;
|
|
}
|
|
*(buf - 1) = '\0';
|
|
return s;
|
|
}
|
|
|
|
/*
|
|
* Taken from OpenBSD's ps(1).
|
|
*/
|
|
double getpcpu(const struct kinfo_proc *kp) {
|
|
if (fscale == 0)
|
|
return (0.0);
|
|
|
|
#define fxtofl(fixpt) ((double)(fixpt) / fscale)
|
|
|
|
return (100.0 * fxtofl(kp->p_pctcpu));
|
|
}
|
|
|
|
void ProcessList_goThroughEntries(ProcessList* this) {
|
|
OpenBSDProcessList* opl = (OpenBSDProcessList*) this;
|
|
Settings* settings = this->settings;
|
|
bool hideKernelThreads = settings->hideKernelThreads;
|
|
bool hideUserlandThreads = settings->hideUserlandThreads;
|
|
struct kinfo_proc* kproc;
|
|
bool preExisting;
|
|
Process* proc;
|
|
OpenBSDProcess* fp;
|
|
int count = 0;
|
|
int i;
|
|
|
|
OpenBSDProcessList_scanMemoryInfo(this);
|
|
|
|
// use KERN_PROC_KTHREAD to also include kernel threads
|
|
struct kinfo_proc* kprocs = kvm_getprocs(opl->kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
|
|
//struct kinfo_proc* kprocs = getprocs(KERN_PROC_ALL, 0, &count);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
kproc = &kprocs[i];
|
|
|
|
preExisting = false;
|
|
proc = ProcessList_getProcess(this, kproc->p_pid, &preExisting, (Process_New) OpenBSDProcess_new);
|
|
fp = (OpenBSDProcess*) proc;
|
|
|
|
proc->show = ! ((hideKernelThreads && Process_isKernelThread(proc))
|
|
|| (hideUserlandThreads && Process_isUserlandThread(proc)));
|
|
|
|
if (!preExisting) {
|
|
proc->ppid = kproc->p_ppid;
|
|
proc->tpgid = kproc->p_tpgid;
|
|
proc->tgid = kproc->p_pid;
|
|
proc->session = kproc->p_sid;
|
|
proc->tty_nr = kproc->p_tdev;
|
|
proc->pgrp = kproc->p__pgid;
|
|
proc->st_uid = kproc->p_uid;
|
|
proc->starttime_ctime = kproc->p_ustart_sec;
|
|
proc->user = UsersTable_getRef(this->usersTable, proc->st_uid);
|
|
ProcessList_add((ProcessList*)this, proc);
|
|
proc->comm = OpenBSDProcessList_readProcessName(opl->kd, kproc, &proc->basenameOffset);
|
|
} else {
|
|
if (settings->updateProcessNames) {
|
|
free(proc->comm);
|
|
proc->comm = OpenBSDProcessList_readProcessName(opl->kd, kproc, &proc->basenameOffset);
|
|
}
|
|
}
|
|
|
|
proc->m_size = kproc->p_vm_dsize;
|
|
proc->m_resident = kproc->p_vm_rssize;
|
|
proc->percent_mem = (proc->m_resident * PAGE_SIZE_KB) / (double)(this->totalMem) * 100.0;
|
|
proc->percent_cpu = CLAMP(getpcpu(kproc), 0.0, this->cpuCount*100.0);
|
|
//proc->nlwp = kproc->p_numthreads;
|
|
//proc->time = kproc->p_rtime_sec + ((kproc->p_rtime_usec + 500000) / 10);
|
|
proc->nice = kproc->p_nice - 20;
|
|
proc->time = kproc->p_rtime_sec + ((kproc->p_rtime_usec + 500000) / 1000000);
|
|
proc->time *= 100;
|
|
proc->priority = kproc->p_priority - PZERO;
|
|
|
|
switch (kproc->p_stat) {
|
|
case SIDL: proc->state = 'I'; break;
|
|
case SRUN: proc->state = 'R'; break;
|
|
case SSLEEP: proc->state = 'S'; break;
|
|
case SSTOP: proc->state = 'T'; break;
|
|
case SZOMB: proc->state = 'Z'; break;
|
|
case SDEAD: proc->state = 'D'; break;
|
|
case SONPROC: proc->state = 'P'; break;
|
|
default: proc->state = '?';
|
|
}
|
|
|
|
if (Process_isKernelThread(proc)) {
|
|
this->kernelThreads++;
|
|
}
|
|
|
|
this->totalTasks++;
|
|
// SRUN ('R') means runnable, not running
|
|
if (proc->state == 'P') {
|
|
this->runningTasks++;
|
|
}
|
|
proc->updated = true;
|
|
}
|
|
}
|