diff options
Diffstat (limited to 'freebsd/FreeBSDProcessList.c')
| -rw-r--r-- | freebsd/FreeBSDProcessList.c | 630 |
1 files changed, 0 insertions, 630 deletions
diff --git a/freebsd/FreeBSDProcessList.c b/freebsd/FreeBSDProcessList.c deleted file mode 100644 index 2c7e20b..0000000 --- a/freebsd/FreeBSDProcessList.c +++ /dev/null @@ -1,630 +0,0 @@ -/* -htop - FreeBSDProcessList.c -(C) 2014 Hisham H. Muhammad -Released under the GNU GPLv2+, see the COPYING file -in the source distribution for its full text. -*/ - -#include "config.h" // IWYU pragma: keep - -#include "freebsd/FreeBSDProcessList.h" - -#include <assert.h> -#include <limits.h> -#include <math.h> -#include <stdlib.h> -#include <string.h> -#include <sys/_iovec.h> -#include <sys/errno.h> -#include <sys/param.h> // needs to be included before <sys/jail.h> for MAXPATHLEN -#include <sys/jail.h> -#include <sys/priority.h> -#include <sys/proc.h> -#include <sys/resource.h> -#include <sys/sysctl.h> -#include <sys/time.h> -#include <sys/types.h> -#include <sys/user.h> -#include <sys/vmmeter.h> - -#include "CRT.h" -#include "Compat.h" -#include "FreeBSDProcess.h" -#include "Macros.h" -#include "Object.h" -#include "Process.h" -#include "ProcessList.h" -#include "Settings.h" -#include "XUtils.h" -#include "generic/openzfs_sysctl.h" -#include "zfs/ZfsArcStats.h" - - -static int MIB_hw_physmem[2]; -static int MIB_vm_stats_vm_v_page_count[4]; -static int pageSize; -static int pageSizeKb; - -static int MIB_vm_stats_vm_v_wire_count[4]; -static int MIB_vm_stats_vm_v_active_count[4]; -static int MIB_vm_stats_vm_v_cache_count[4]; -static int MIB_vm_stats_vm_v_inactive_count[4]; -static int MIB_vm_stats_vm_v_free_count[4]; -static int MIB_vm_vmtotal[2]; - -static int MIB_vfs_bufspace[2]; - -static int MIB_kern_cp_time[2]; -static int MIB_kern_cp_times[2]; -static int kernelFScale; - -ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* dynamicMeters, Hashtable* DynamicColumns, Hashtable* pidMatchList, uid_t userId) { - size_t len; - char errbuf[_POSIX2_LINE_MAX]; - FreeBSDProcessList* fpl = xCalloc(1, sizeof(FreeBSDProcessList)); - ProcessList* pl = (ProcessList*) fpl; - ProcessList_init(pl, Class(FreeBSDProcess), usersTable, dynamicMeters, DynamicColumns, pidMatchList, userId); - - // 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) - CRT_fatalError("Cannot get pagesize by sysctl"); - 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("vm.vmtotal", MIB_vm_vmtotal, &len); - - len = 2; sysctlnametomib("vfs.bufspace", MIB_vfs_bufspace, &len); - - openzfs_sysctl_init(&fpl->zfs); - openzfs_sysctl_updateArcStats(&fpl->zfs); - - 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 = xCalloc(CPUSTATES, sizeof(unsigned long)); - fpl->cp_time_n = xCalloc(CPUSTATES, sizeof(unsigned long)); - len = sizeof_cp_time_array; - - // fetch initial 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 initial CPU's clicks - if (cpus > 1) { - len = 2; sysctlnametomib("kern.cp_times", MIB_kern_cp_times, &len); - fpl->cp_times_o = xCalloc(cpus, sizeof_cp_time_array); - fpl->cp_times_n = xCalloc(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->existingCPUs = MAXIMUM(cpus, 1); - // TODO: support offline CPUs and hot swapping - pl->activeCPUs = pl->existingCPUs; - - if (cpus == 1 ) { - fpl->cpus = xRealloc(fpl->cpus, sizeof(CPUData)); - } else { - // on smp we need CPUs + 1 to store averages too (as kernel kindly provides that as well) - fpl->cpus = xRealloc(fpl->cpus, (pl->existingCPUs + 1) * sizeof(CPUData)); - } - - - len = sizeof(kernelFScale); - if (sysctlbyname("kern.fscale", &kernelFScale, &len, NULL, 0) == -1) { - //sane default for kernel provided CPU percentage scaling, at least on x86 machines, in case this sysctl call failed - kernelFScale = 2048; - } - - fpl->kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf); - if (fpl->kd == NULL) { - CRT_fatalError("kvm_openfiles() failed"); - } - - return pl; -} - -void ProcessList_delete(ProcessList* this) { - const FreeBSDProcessList* fpl = (FreeBSDProcessList*) this; - - if (fpl->kd) { - kvm_close(fpl->kd); - } - - free(fpl->cp_time_o); - free(fpl->cp_time_n); - free(fpl->cp_times_o); - free(fpl->cp_times_n); - free(fpl->cpus); - - ProcessList_done(this); - free(this); -} - -static inline void FreeBSDProcessList_scanCPU(ProcessList* pl) { - const FreeBSDProcessList* fpl = (FreeBSDProcessList*) pl; - - unsigned int cpus = pl->existingCPUs; // actual CPU count - unsigned int maxcpu = cpus; // max iteration (in case we have average + smp) - int cp_times_offset; - - assert(cpus > 0); - - size_t sizeof_cp_time_array; - - unsigned long* cp_time_n; // old clicks state - unsigned long* cp_time_o; // current clicks state - - unsigned long cp_time_d[CPUSTATES]; - double cp_time_p[CPUSTATES]; - - // get averages or single CPU clicks - sizeof_cp_time_array = sizeof(unsigned long) * CPUSTATES; - sysctl(MIB_kern_cp_time, 2, fpl->cp_time_n, &sizeof_cp_time_array, NULL, 0); - - // get rest of CPUs - if (cpus > 1) { - // on smp systems FreeBSD kernel concats all CPU states into one long array in - // kern.cp_times sysctl OID - // we store averages in fpl->cpus[0], and actual cores after that - maxcpu = cpus + 1; - sizeof_cp_time_array = cpus * sizeof(unsigned long) * CPUSTATES; - sysctl(MIB_kern_cp_times, 2, fpl->cp_times_n, &sizeof_cp_time_array, NULL, 0); - } - - for (unsigned int i = 0; i < maxcpu; i++) { - if (cpus == 1) { - // single CPU box - cp_time_n = fpl->cp_time_n; - cp_time_o = fpl->cp_time_o; - } else { - if (i == 0 ) { - // average - cp_time_n = fpl->cp_time_n; - cp_time_o = fpl->cp_time_o; - } else { - // specific smp cores - cp_times_offset = i - 1; - cp_time_n = fpl->cp_times_n + (cp_times_offset * CPUSTATES); - cp_time_o = fpl->cp_times_o + (cp_times_offset * CPUSTATES); - } - } - - // diff old vs new - unsigned long long total_o = 0; - unsigned long long total_n = 0; - unsigned long long total_d = 0; - for (int s = 0; s < CPUSTATES; s++) { - cp_time_d[s] = cp_time_n[s] - cp_time_o[s]; - total_o += cp_time_o[s]; - total_n += cp_time_n[s]; - } - - // totals - total_d = total_n - total_o; - if (total_d < 1 ) { - total_d = 1; - } - - // save current state as old and calc percentages - for (int s = 0; s < CPUSTATES; ++s) { - cp_time_o[s] = cp_time_n[s]; - cp_time_p[s] = ((double)cp_time_d[s]) / ((double)total_d) * 100; - } - - CPUData* cpuData = &(fpl->cpus[i]); - cpuData->userPercent = cp_time_p[CP_USER]; - cpuData->nicePercent = cp_time_p[CP_NICE]; - cpuData->systemPercent = cp_time_p[CP_SYS]; - cpuData->irqPercent = cp_time_p[CP_INTR]; - cpuData->systemAllPercent = cp_time_p[CP_SYS] + cp_time_p[CP_INTR]; - // this one is not really used - //cpuData->idlePercent = cp_time_p[CP_IDLE]; - - cpuData->temperature = NAN; - cpuData->frequency = NAN; - - const int coreId = (cpus == 1) ? 0 : ((int)i - 1); - if (coreId < 0) - continue; - - // TODO: test with hyperthreading and multi-cpu systems - if (pl->settings->showCPUTemperature) { - int temperature; - size_t len = sizeof(temperature); - char mibBuffer[32]; - xSnprintf(mibBuffer, sizeof(mibBuffer), "dev.cpu.%d.temperature", coreId); - int r = sysctlbyname(mibBuffer, &temperature, &len, NULL, 0); - if (r == 0) - cpuData->temperature = (double)(temperature - 2732) / 10.0; // convert from deci-Kelvin to Celsius - } - - // TODO: test with hyperthreading and multi-cpu systems - if (pl->settings->showCPUFrequency) { - int frequency; - size_t len = sizeof(frequency); - char mibBuffer[32]; - xSnprintf(mibBuffer, sizeof(mibBuffer), "dev.cpu.%d.freq", coreId); - int r = sysctlbyname(mibBuffer, &frequency, &len, NULL, 0); - if (r == 0) - cpuData->frequency = frequency; // keep in MHz - } - } - - // calculate max temperature and avg frequency for average meter and - // propagate frequency to all cores if only supplied for CPU 0 - if (cpus > 1) { - if (pl->settings->showCPUTemperature) { - double maxTemp = NAN; - for (unsigned int i = 1; i < maxcpu; i++) { - const double coreTemp = fpl->cpus[i].temperature; - if (isnan(coreTemp)) - continue; - - maxTemp = MAXIMUM(maxTemp, coreTemp); - } - - fpl->cpus[0].temperature = maxTemp; - } - - if (pl->settings->showCPUFrequency) { - const double coreZeroFreq = fpl->cpus[1].frequency; - double freqSum = coreZeroFreq; - if (!isnan(coreZeroFreq)) { - for (unsigned int i = 2; i < maxcpu; i++) { - if (isnan(fpl->cpus[i].frequency)) - fpl->cpus[i].frequency = coreZeroFreq; - - freqSum += fpl->cpus[i].frequency; - } - - fpl->cpus[0].frequency = freqSum / (maxcpu - 1); - } - } - } -} - -static inline void FreeBSDProcessList_scanMemoryInfo(ProcessList* pl) { - FreeBSDProcessList* fpl = (FreeBSDProcessList*) pl; - - // @etosan: - // memory counter relationships seem to be these: - // total = active + wired + inactive + cache + free - // htop_used (unavail to anybody) = active + wired - // htop_cache (for cache meter) = buffers + cache - // user_free (avail to procs) = buffers + inactive + cache + free - // - // with ZFS ARC situation becomes bit muddled, as ARC behaves like "user_free" - // and belongs into cache, but is reported as wired by kernel - // - // htop_used = active + (wired - arc) - // htop_cache = buffers + cache + arc - u_long totalMem; - u_int memActive, memWire, cachedMem; - long buffersMem; - size_t len; - struct vmtotal vmtotal; - - //disabled for now, as it is always smaller than phycal amount of memory... - //...to avoid "where is my memory?" questions - //sysctl(MIB_vm_stats_vm_v_page_count, 4, &(pl->totalMem), &len, NULL, 0); - //pl->totalMem *= pageSizeKb; - len = sizeof(totalMem); - sysctl(MIB_hw_physmem, 2, &(totalMem), &len, NULL, 0); - totalMem /= 1024; - pl->totalMem = totalMem; - - len = sizeof(memActive); - sysctl(MIB_vm_stats_vm_v_active_count, 4, &(memActive), &len, NULL, 0); - memActive *= pageSizeKb; - fpl->memActive = memActive; - - len = sizeof(memWire); - sysctl(MIB_vm_stats_vm_v_wire_count, 4, &(memWire), &len, NULL, 0); - memWire *= pageSizeKb; - fpl->memWire = memWire; - - len = sizeof(buffersMem); - sysctl(MIB_vfs_bufspace, 2, &(buffersMem), &len, NULL, 0); - buffersMem /= 1024; - pl->buffersMem = buffersMem; - - len = sizeof(cachedMem); - sysctl(MIB_vm_stats_vm_v_cache_count, 4, &(cachedMem), &len, NULL, 0); - cachedMem *= pageSizeKb; - pl->cachedMem = cachedMem; - - len = sizeof(vmtotal); - sysctl(MIB_vm_vmtotal, 2, &(vmtotal), &len, NULL, 0); - pl->sharedMem = vmtotal.t_vmshr * pageSizeKb; - - if (fpl->zfs.enabled) { - fpl->memWire -= fpl->zfs.size; - pl->cachedMem += fpl->zfs.size; - } - - pl->usedMem = fpl->memActive + fpl->memWire; - - struct kvm_swap swap[16]; - int nswap = kvm_getswapinfo(fpl->kd, swap, ARRAYSIZE(swap), 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; -} - -static void FreeBSDProcessList_updateExe(const struct kinfo_proc* kproc, Process* proc) { - if (Process_isKernelThread(proc)) { - Process_updateExe(proc, NULL); - return; - } - - const int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, kproc->ki_pid }; - char buffer[2048]; - size_t size = sizeof(buffer); - if (sysctl(mib, 4, buffer, &size, NULL, 0) != 0) { - Process_updateExe(proc, NULL); - return; - } - - Process_updateExe(proc, buffer); -} - -static void FreeBSDProcessList_updateCwd(const struct kinfo_proc* kproc, Process* proc) { -#ifdef KERN_PROC_CWD - const int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_CWD, kproc->ki_pid }; - char buffer[2048]; - size_t size = sizeof(buffer); - if (sysctl(mib, 4, 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); -#else - proc->procCwd = NULL; -#endif -} - -static void FreeBSDProcessList_updateProcessName(kvm_t* kd, const struct kinfo_proc* kproc, Process* proc) { - Process_updateComm(proc, kproc->ki_comm); - - char** argv = kvm_getargv(kd, kproc, 0); - if (!argv || !argv[0]) { - Process_updateCmdline(proc, kproc->ki_comm, 0, strlen(kproc->ki_comm)); - return; - } - - size_t len = 0; - for (int i = 0; argv[i]; i++) { - len += strlen(argv[i]) + 1; - } - - char* cmdline = xMalloc(len); - char* at = cmdline; - int end = 0; - for (int i = 0; argv[i]; i++) { - at = stpcpy(at, argv[i]); - if (end == 0) { - end = at - cmdline; - } - *at++ = ' '; - } - at--; - *at = '\0'; - - Process_updateCmdline(proc, cmdline, 0, end); - - free(cmdline); -} - -static char* FreeBSDProcessList_readJailName(const struct kinfo_proc* kproc) { - if (kproc->ki_jid == 0) - return xStrdup("-"); - - char jnamebuf[MAXHOSTNAMELEN] = {0}; - struct iovec jiov[4]; - -IGNORE_WCASTQUAL_BEGIN - *(const void**)&jiov[0].iov_base = "jid"; - jiov[0].iov_len = sizeof("jid"); - jiov[1].iov_base = (void*) &kproc->ki_jid; - jiov[1].iov_len = sizeof(kproc->ki_jid); - *(const void**)&jiov[2].iov_base = "name"; - jiov[2].iov_len = sizeof("name"); - jiov[3].iov_base = jnamebuf; - jiov[3].iov_len = sizeof(jnamebuf); -IGNORE_WCASTQUAL_END - - int jid = jail_get(jiov, 4, 0); - if (jid == kproc->ki_jid) - return xStrdup(jnamebuf); - - return NULL; -} - -void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) { - FreeBSDProcessList* fpl = (FreeBSDProcessList*) super; - const Settings* settings = super->settings; - bool hideKernelThreads = settings->hideKernelThreads; - bool hideUserlandThreads = settings->hideUserlandThreads; - - openzfs_sysctl_updateArcStats(&fpl->zfs); - FreeBSDProcessList_scanMemoryInfo(super); - FreeBSDProcessList_scanCPU(super); - - // in pause mode only gather global data for meters (CPU/memory/...) - if (pauseProcessUpdate) { - return; - } - - int count = 0; - const struct kinfo_proc* kprocs = kvm_getprocs(fpl->kd, KERN_PROC_PROC, 0, &count); - - for (int i = 0; i < count; i++) { - const struct kinfo_proc* kproc = &kprocs[i]; - bool preExisting = false; - Process* proc = ProcessList_getProcess(super, kproc->ki_pid, &preExisting, FreeBSDProcess_new); - FreeBSDProcess* fp = (FreeBSDProcess*) proc; - - if (!preExisting) { - fp->jid = kproc->ki_jid; - proc->pid = kproc->ki_pid; - proc->isKernelThread = kproc->ki_pid != 1 && (kproc->ki_flag & P_SYSTEM); - proc->isUserlandThread = false; - proc->ppid = kproc->ki_ppid; - proc->tpgid = kproc->ki_tpgid; - proc->tgid = kproc->ki_pid; - proc->session = kproc->ki_sid; - proc->pgrp = kproc->ki_pgid; - proc->st_uid = kproc->ki_uid; - proc->starttime_ctime = kproc->ki_start.tv_sec; - if (proc->starttime_ctime < 0) { - proc->starttime_ctime = super->realtimeMs / 1000; - } - Process_fillStarttimeBuffer(proc); - proc->user = UsersTable_getRef(super->usersTable, proc->st_uid); - ProcessList_add(super, proc); - - FreeBSDProcessList_updateExe(kproc, proc); - FreeBSDProcessList_updateProcessName(fpl->kd, kproc, proc); - - if (settings->ss->flags & PROCESS_FLAG_CWD) { - FreeBSDProcessList_updateCwd(kproc, proc); - } - - fp->jname = FreeBSDProcessList_readJailName(kproc); - - proc->tty_nr = kproc->ki_tdev; - const char* name = (kproc->ki_tdev != NODEV) ? devname(kproc->ki_tdev, S_IFCHR) : NULL; - if (!name) { - free(proc->tty_name); - proc->tty_name = NULL; - } else { - free_and_xStrdup(&proc->tty_name, name); - } - } else { - if (fp->jid != kproc->ki_jid) { - // process can enter jail anytime - fp->jid = kproc->ki_jid; - free(fp->jname); - fp->jname = FreeBSDProcessList_readJailName(kproc); - } - // if there are reapers in the system, process can get reparented anytime - proc->ppid = kproc->ki_ppid; - if (proc->st_uid != kproc->ki_uid) { - // some processes change users (eg. to lower privs) - proc->st_uid = kproc->ki_uid; - proc->user = UsersTable_getRef(super->usersTable, proc->st_uid); - } - if (settings->updateProcessNames) { - FreeBSDProcessList_updateProcessName(fpl->kd, kproc, proc); - } - } - - free_and_xStrdup(&fp->emul, kproc->ki_emul); - - // from FreeBSD source /src/usr.bin/top/machine.c - proc->m_virt = kproc->ki_size / ONE_K; - proc->m_resident = kproc->ki_rssize * pageSizeKb; - proc->nlwp = kproc->ki_numthreads; - proc->time = (kproc->ki_runtime + 5000) / 10000; - - proc->percent_cpu = 100.0 * ((double)kproc->ki_pctcpu / (double)kernelFScale); - proc->percent_mem = 100.0 * proc->m_resident / (double)(super->totalMem); - Process_updateCPUFieldWidths(proc->percent_cpu); - - if (kproc->ki_stat == SRUN && kproc->ki_oncpu != NOCPU) { - proc->processor = kproc->ki_oncpu; - } else { - proc->processor = kproc->ki_lastcpu; - } - - proc->majflt = kproc->ki_cow; - - proc->priority = kproc->ki_pri.pri_level - PZERO; - - if (String_eq("intr", kproc->ki_comm) && (kproc->ki_flag & P_SYSTEM)) { - proc->nice = 0; //@etosan: intr kernel process (not thread) has weird nice value - } else if (kproc->ki_pri.pri_class == PRI_TIMESHARE) { - proc->nice = kproc->ki_nice - NZERO; - } else if (PRI_IS_REALTIME(kproc->ki_pri.pri_class)) { - proc->nice = PRIO_MIN - 1 - (PRI_MAX_REALTIME - kproc->ki_pri.pri_level); - } else { - proc->nice = PRIO_MAX + 1 + kproc->ki_pri.pri_level - PRI_MIN_IDLE; - } - - /* Taken from: https://github.com/freebsd/freebsd-src/blob/1ad2d87778970582854082bcedd2df0394fd4933/sys/sys/proc.h#L851 */ - switch (kproc->ki_stat) { - case SIDL: proc->state = IDLE; break; - case SRUN: proc->state = RUNNING; break; - case SSLEEP: proc->state = SLEEPING; break; - case SSTOP: proc->state = STOPPED; break; - case SZOMB: proc->state = ZOMBIE; break; - case SWAIT: proc->state = WAITING; break; - case SLOCK: proc->state = BLOCKED; break; - default: proc->state = UNKNOWN; - } - - if (Process_isKernelThread(proc)) - super->kernelThreads++; - - proc->show = ! ((hideKernelThreads && Process_isKernelThread(proc)) || (hideUserlandThreads && Process_isUserlandThread(proc))); - - super->totalTasks++; - if (proc->state == RUNNING) - super->runningTasks++; - proc->updated = true; - } -} - -bool ProcessList_isCPUonline(const ProcessList* super, unsigned int id) { - assert(id < super->existingCPUs); - - // TODO: support offline CPUs and hot swapping - (void) super; (void) id; - - return true; -} |