diff options
Diffstat (limited to 'openbsd/OpenBSDProcessList.c')
| -rw-r--r-- | openbsd/OpenBSDProcessList.c | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/openbsd/OpenBSDProcessList.c b/openbsd/OpenBSDProcessList.c deleted file mode 100644 index d070e5e..0000000 --- a/openbsd/OpenBSDProcessList.c +++ /dev/null @@ -1,486 +0,0 @@ -/* -htop - OpenBSDProcessList.c -(C) 2014 Hisham H. Muhammad -(C) 2015 Michael McConville -Released under the GNU GPLv2+, see the COPYING file -in the source distribution for its full text. -*/ - -#include "openbsd/OpenBSDProcessList.h" - -#include <kvm.h> -#include <limits.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <sys/mount.h> -#include <sys/param.h> -#include <sys/proc.h> -#include <sys/sched.h> -#include <sys/swap.h> -#include <sys/sysctl.h> -#include <sys/types.h> -#include <uvm/uvmexp.h> - -#include "CRT.h" -#include "Macros.h" -#include "Object.h" -#include "Process.h" -#include "ProcessList.h" -#include "Settings.h" -#include "XUtils.h" -#include "openbsd/OpenBSDProcess.h" - - -static long fscale; -static int pageSize; -static int pageSizeKB; - -static void OpenBSDProcessList_updateCPUcount(ProcessList* super) { - OpenBSDProcessList* opl = (OpenBSDProcessList*) super; - const int nmib[] = { CTL_HW, HW_NCPU }; - const int mib[] = { CTL_HW, HW_NCPUONLINE }; - int r; - unsigned int value; - size_t size; - bool change = false; - - size = sizeof(value); - r = sysctl(mib, 2, &value, &size, NULL, 0); - if (r < 0 || value < 1) { - value = 1; - } - - if (value != super->activeCPUs) { - super->activeCPUs = value; - change = true; - } - - size = sizeof(value); - r = sysctl(nmib, 2, &value, &size, NULL, 0); - if (r < 0 || value < 1) { - value = super->activeCPUs; - } - - if (value != super->existingCPUs) { - opl->cpuData = xReallocArray(opl->cpuData, value + 1, sizeof(CPUData)); - super->existingCPUs = value; - change = true; - } - - if (change) { - CPUData* dAvg = &opl->cpuData[0]; - memset(dAvg, '\0', sizeof(CPUData)); - dAvg->totalTime = 1; - dAvg->totalPeriod = 1; - dAvg->online = true; - - for (unsigned int i = 0; i < super->existingCPUs; i++) { - CPUData* d = &opl->cpuData[i + 1]; - memset(d, '\0', sizeof(CPUData)); - d->totalTime = 1; - d->totalPeriod = 1; - - const int ncmib[] = { CTL_KERN, KERN_CPUSTATS, i }; - struct cpustats cpu_stats; - - size = sizeof(cpu_stats); - if (sysctl(ncmib, 3, &cpu_stats, &size, NULL, 0) < 0) { - CRT_fatalError("ncmib sysctl call failed"); - } - d->online = (cpu_stats.cs_flags & CPUSTATS_ONLINE); - } - } -} - - -ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* dynamicMeters, Hashtable* dynamicColumns, Hashtable* pidMatchList, uid_t userId) { - const int fmib[] = { CTL_KERN, KERN_FSCALE }; - size_t size; - char errbuf[_POSIX2_LINE_MAX]; - - OpenBSDProcessList* opl = xCalloc(1, sizeof(OpenBSDProcessList)); - ProcessList* pl = (ProcessList*) opl; - ProcessList_init(pl, Class(OpenBSDProcess), usersTable, dynamicMeters, dynamicColumns, pidMatchList, userId); - - OpenBSDProcessList_updateCPUcount(pl); - - size = sizeof(fscale); - if (sysctl(fmib, 2, &fscale, &size, NULL, 0) < 0) { - CRT_fatalError("fscale sysctl call failed"); - } - - if ((pageSize = sysconf(_SC_PAGESIZE)) == -1) - CRT_fatalError("pagesize sysconf call failed"); - pageSizeKB = pageSize / ONE_K; - - opl->kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf); - if (opl->kd == NULL) { - CRT_fatalError("kvm_openfiles() failed"); - } - - opl->cpuSpeed = -1; - - return pl; -} - -void ProcessList_delete(ProcessList* this) { - OpenBSDProcessList* opl = (OpenBSDProcessList*) this; - - if (opl->kd) { - kvm_close(opl->kd); - } - - free(opl->cpuData); - - ProcessList_done(this); - free(this); -} - -static void OpenBSDProcessList_scanMemoryInfo(ProcessList* pl) { - const 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) { - CRT_fatalError("uvmexp sysctl call failed"); - } - - pl->totalMem = uvmexp.npages * pageSizeKB; - pl->usedMem = (uvmexp.npages - uvmexp.free - uvmexp.paging) * pageSizeKB; - - // Taken from OpenBSD systat/iostat.c, top/machine.c and uvm_sysctl(9) - const 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) { - CRT_fatalError("cannot get vfs.bcachestat"); - } - - pl->cachedMem = bcstats.numbufpages * pageSizeKB; - - /* - * Copyright (c) 1994 Thorsten Lockert <tholo@sigmasoft.com> - * All rights reserved. - * - * Taken almost directly from OpenBSD's top(1) - * - * Originally released under a BSD-3 license - * Modified through htop developers applying GPL-2 - */ - int nswap = swapctl(SWAP_NSWAP, 0, 0); - if (nswap > 0) { - struct swapent swdev[nswap]; - int rnswap = swapctl(SWAP_STATS, swdev, nswap); - - /* Total things up */ - unsigned long long int total = 0, used = 0; - for (int i = 0; i < rnswap; i++) { - if (swdev[i].se_flags & SWF_ENABLE) { - used += (swdev[i].se_inuse / (1024 / DEV_BSIZE)); - total += (swdev[i].se_nblks / (1024 / DEV_BSIZE)); - } - } - - pl->totalSwap = total; - pl->usedSwap = used; - } else { - pl->totalSwap = pl->usedSwap = 0; - } -} - -static void OpenBSDProcessList_updateCwd(const struct kinfo_proc* kproc, Process* proc) { - const int mib[] = { CTL_KERN, KERN_PROC_CWD, kproc->p_pid }; - char buffer[2048]; - size_t size = sizeof(buffer); - if (sysctl(mib, 3, buffer, &size, NULL, 0) != 0) { - free(proc->procCwd); - proc->procCwd = NULL; - return; - } - - /* Kernel threads return an empty buffer */ - if (buffer[0] == '\0') { - free(proc->procCwd); - proc->procCwd = NULL; - return; - } - - free_and_xStrdup(&proc->procCwd, buffer); -} - -static void OpenBSDProcessList_updateProcessName(kvm_t* kd, const struct kinfo_proc* kproc, Process* proc) { - Process_updateComm(proc, kproc->p_comm); - - /* - * Like OpenBSD's top(1), we try to fall back to the command name - * (argv[0]) if we fail to construct the full command. - */ - char** arg = kvm_getargv(kd, kproc, 500); - if (arg == NULL || *arg == NULL) { - Process_updateCmdline(proc, kproc->p_comm, 0, strlen(kproc->p_comm)); - return; - } - - size_t len = 0; - for (int i = 0; arg[i] != NULL; i++) { - len += strlen(arg[i]) + 1; /* room for arg and trailing space or NUL */ - } - - /* don't use xMalloc here - we want to handle huge argv's gracefully */ - char* s; - if ((s = malloc(len)) == NULL) { - Process_updateCmdline(proc, kproc->p_comm, 0, strlen(kproc->p_comm)); - return; - } - - *s = '\0'; - - int start = 0; - int end = 0; - for (int i = 0; arg[i] != NULL; i++) { - size_t n = strlcat(s, arg[i], len); - if (i == 0) { - end = MINIMUM(n, len - 1); - /* check if cmdline ended earlier, e.g 'kdeinit5: Running...' */ - for (int j = end; j > 0; j--) { - if (arg[0][j] == ' ' && arg[0][j - 1] != '\\') { - end = (arg[0][j - 1] == ':') ? (j - 1) : j; - } - } - } - /* the trailing space should get truncated anyway */ - strlcat(s, " ", len); - } - - Process_updateCmdline(proc, s, start, end); - - free(s); -} - -/* - * Taken from OpenBSD's ps(1). - */ -static double getpcpu(const struct kinfo_proc* kp) { - if (fscale == 0) - return 0.0; - - return 100.0 * (double)kp->p_pctcpu / fscale; -} - -static void OpenBSDProcessList_scanProcs(OpenBSDProcessList* this) { - const Settings* settings = this->super.settings; - const bool hideKernelThreads = settings->hideKernelThreads; - const bool hideUserlandThreads = settings->hideUserlandThreads; - int count = 0; - - const struct kinfo_proc* kprocs = kvm_getprocs(this->kd, KERN_PROC_KTHREAD | KERN_PROC_SHOW_THREADS, 0, sizeof(struct kinfo_proc), &count); - - for (int i = 0; i < count; i++) { - const struct kinfo_proc* kproc = &kprocs[i]; - - /* Ignore main threads */ - if (kproc->p_tid != -1) { - Process* containingProcess = ProcessList_findProcess(&this->super, kproc->p_pid); - if (containingProcess) { - if (((OpenBSDProcess*)containingProcess)->addr == kproc->p_addr) - continue; - - containingProcess->nlwp++; - } - } - - bool preExisting = false; - Process* proc = ProcessList_getProcess(&this->super, (kproc->p_tid == -1) ? kproc->p_pid : kproc->p_tid, &preExisting, OpenBSDProcess_new); - OpenBSDProcess* fp = (OpenBSDProcess*) proc; - - if (!preExisting) { - proc->ppid = kproc->p_ppid; - proc->tpgid = kproc->p_tpgid; - proc->tgid = kproc->p_pid; - proc->session = kproc->p_sid; - proc->pgrp = kproc->p__pgid; - proc->isKernelThread = proc->pgrp == 0; - proc->isUserlandThread = kproc->p_tid != -1; - proc->starttime_ctime = kproc->p_ustart_sec; - Process_fillStarttimeBuffer(proc); - ProcessList_add(&this->super, proc); - - OpenBSDProcessList_updateProcessName(this->kd, kproc, proc); - - if (settings->ss->flags & PROCESS_FLAG_CWD) { - OpenBSDProcessList_updateCwd(kproc, proc); - } - - proc->tty_nr = kproc->p_tdev; - const char* name = ((dev_t)kproc->p_tdev != NODEV) ? devname(kproc->p_tdev, S_IFCHR) : NULL; - if (!name || String_eq(name, "??")) { - free(proc->tty_name); - proc->tty_name = NULL; - } else { - free_and_xStrdup(&proc->tty_name, name); - } - } else { - if (settings->updateProcessNames) { - OpenBSDProcessList_updateProcessName(this->kd, kproc, proc); - } - } - - fp->addr = kproc->p_addr; - proc->m_virt = kproc->p_vm_dsize * pageSizeKB; - proc->m_resident = kproc->p_vm_rssize * pageSizeKB; - - proc->percent_mem = proc->m_resident / (float)this->super.totalMem * 100.0F; - proc->percent_cpu = CLAMP(getpcpu(kproc), 0.0F, this->super.activeCPUs * 100.0F); - Process_updateCPUFieldWidths(proc->percent_cpu); - - proc->nice = kproc->p_nice - 20; - proc->time = 100 * (kproc->p_rtime_sec + ((kproc->p_rtime_usec + 500000) / 1000000)); - proc->priority = kproc->p_priority - PZERO; - proc->processor = kproc->p_cpuid; - proc->minflt = kproc->p_uru_minflt; - proc->majflt = kproc->p_uru_majflt; - proc->nlwp = 1; - - if (proc->st_uid != kproc->p_uid) { - proc->st_uid = kproc->p_uid; - proc->user = UsersTable_getRef(this->super.usersTable, proc->st_uid); - } - - /* Taken from: https://github.com/openbsd/src/blob/6a38af0976a6870911f4b2de19d8da28723a5778/sys/sys/proc.h#L420 */ - switch (kproc->p_stat) { - case SIDL: proc->state = IDLE; break; - case SRUN: proc->state = RUNNABLE; break; - case SSLEEP: proc->state = SLEEPING; break; - case SSTOP: proc->state = STOPPED; break; - case SZOMB: proc->state = ZOMBIE; break; - case SDEAD: proc->state = DEFUNCT; break; - case SONPROC: proc->state = RUNNING; break; - default: proc->state = UNKNOWN; - } - - if (Process_isKernelThread(proc)) { - this->super.kernelThreads++; - } else if (Process_isUserlandThread(proc)) { - this->super.userlandThreads++; - } - - this->super.totalTasks++; - if (proc->state == RUNNING) { - this->super.runningTasks++; - } - - proc->show = ! ((hideKernelThreads && Process_isKernelThread(proc)) || (hideUserlandThreads && Process_isUserlandThread(proc))); - proc->updated = true; - } -} - -static void getKernelCPUTimes(unsigned int cpuId, u_int64_t* times) { - const int mib[] = { CTL_KERN, KERN_CPTIME2, cpuId }; - size_t length = sizeof(*times) * CPUSTATES; - if (sysctl(mib, 3, times, &length, NULL, 0) == -1 || length != sizeof(*times) * CPUSTATES) { - CRT_fatalError("sysctl kern.cp_time2 failed"); - } -} - -static void kernelCPUTimesToHtop(const u_int64_t* times, CPUData* cpu) { - unsigned long long totalTime = 0; - for (int i = 0; i < CPUSTATES; i++) { - totalTime += times[i]; - } - - unsigned long long sysAllTime = times[CP_INTR] + times[CP_SYS]; - - // XXX Not sure if CP_SPIN should be added to sysAllTime. - // See https://github.com/openbsd/src/commit/531d8034253fb82282f0f353c086e9ad827e031c - #ifdef CP_SPIN - sysAllTime += times[CP_SPIN]; - #endif - - cpu->totalPeriod = saturatingSub(totalTime, cpu->totalTime); - cpu->userPeriod = saturatingSub(times[CP_USER], cpu->userTime); - cpu->nicePeriod = saturatingSub(times[CP_NICE], cpu->niceTime); - cpu->sysPeriod = saturatingSub(times[CP_SYS], cpu->sysTime); - cpu->sysAllPeriod = saturatingSub(sysAllTime, cpu->sysAllTime); - #ifdef CP_SPIN - cpu->spinPeriod = saturatingSub(times[CP_SPIN], cpu->spinTime); - #endif - cpu->intrPeriod = saturatingSub(times[CP_INTR], cpu->intrTime); - cpu->idlePeriod = saturatingSub(times[CP_IDLE], cpu->idleTime); - - cpu->totalTime = totalTime; - cpu->userTime = times[CP_USER]; - cpu->niceTime = times[CP_NICE]; - cpu->sysTime = times[CP_SYS]; - cpu->sysAllTime = sysAllTime; - #ifdef CP_SPIN - cpu->spinTime = times[CP_SPIN]; - #endif - cpu->intrTime = times[CP_INTR]; - cpu->idleTime = times[CP_IDLE]; -} - -static void OpenBSDProcessList_scanCPUTime(OpenBSDProcessList* this) { - u_int64_t kernelTimes[CPUSTATES] = {0}; - u_int64_t avg[CPUSTATES] = {0}; - - for (unsigned int i = 0; i < this->super.existingCPUs; i++) { - CPUData* cpu = &this->cpuData[i + 1]; - - if (!cpu->online) { - continue; - } - - getKernelCPUTimes(i, kernelTimes); - kernelCPUTimesToHtop(kernelTimes, cpu); - - avg[CP_USER] += cpu->userTime; - avg[CP_NICE] += cpu->niceTime; - avg[CP_SYS] += cpu->sysTime; - #ifdef CP_SPIN - avg[CP_SPIN] += cpu->spinTime; - #endif - avg[CP_INTR] += cpu->intrTime; - avg[CP_IDLE] += cpu->idleTime; - } - - for (int i = 0; i < CPUSTATES; i++) { - avg[i] /= this->super.activeCPUs; - } - - kernelCPUTimesToHtop(avg, &this->cpuData[0]); - - { - const int mib[] = { CTL_HW, HW_CPUSPEED }; - int cpuSpeed; - size_t size = sizeof(cpuSpeed); - if (sysctl(mib, 2, &cpuSpeed, &size, NULL, 0) == -1) { - this->cpuSpeed = -1; - } else { - this->cpuSpeed = cpuSpeed; - } - } -} - -void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) { - OpenBSDProcessList* opl = (OpenBSDProcessList*) super; - - OpenBSDProcessList_updateCPUcount(super); - OpenBSDProcessList_scanMemoryInfo(super); - OpenBSDProcessList_scanCPUTime(opl); - - // in pause mode only gather global data for meters (CPU/memory/...) - if (pauseProcessUpdate) { - return; - } - - OpenBSDProcessList_scanProcs(opl); -} - -bool ProcessList_isCPUonline(const ProcessList* super, unsigned int id) { - assert(id < super->existingCPUs); - - const OpenBSDProcessList* opl = (const OpenBSDProcessList*) super; - return opl->cpuData[id + 1].online; -} |