From 2ee50d030178cede83eb9d0005fbc19f819d30fe Mon Sep 17 00:00:00 2001 From: Graham Inggs Date: Mon, 5 Feb 2018 14:48:51 +0200 Subject: Imported Upstream version 2.1.0 --- dragonflybsd/DragonFlyBSDProcessList.c | 578 +++++++++++++++++++++++++++++++++ 1 file changed, 578 insertions(+) create mode 100644 dragonflybsd/DragonFlyBSDProcessList.c (limited to 'dragonflybsd/DragonFlyBSDProcessList.c') diff --git a/dragonflybsd/DragonFlyBSDProcessList.c b/dragonflybsd/DragonFlyBSDProcessList.c new file mode 100644 index 0000000..a41af85 --- /dev/null +++ b/dragonflybsd/DragonFlyBSDProcessList.c @@ -0,0 +1,578 @@ +/* +htop - DragonFlyBSDProcessList.c +(C) 2014 Hisham H. Muhammad +(C) 2017 Diederik de Groot +Released under the GNU GPL, see the COPYING file +in the source distribution for its full text. +*/ + +#include "ProcessList.h" +#include "DragonFlyBSDProcessList.h" +#include "DragonFlyBSDProcess.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/*{ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "Hashtable.h" +#include "DragonFlyBSDProcess.h" + +#define JAIL_ERRMSGLEN 1024 +char jail_errmsg[JAIL_ERRMSGLEN]; + +typedef struct CPUData_ { + + double userPercent; + double nicePercent; + double systemPercent; + double irqPercent; + double idlePercent; + double systemAllPercent; + +} CPUData; + +typedef struct DragonFlyBSDProcessList_ { + ProcessList super; + kvm_t* kd; + + unsigned long long int memWire; + unsigned long long int memActive; + unsigned long long int memInactive; + unsigned long long int memFree; + + CPUData* cpus; + + unsigned long *cp_time_o; + unsigned long *cp_time_n; + + unsigned long *cp_times_o; + unsigned long *cp_times_n; + + Hashtable *jails; +} DragonFlyBSDProcessList; + +}*/ + +#define _UNUSED_ __attribute__((unused)) + +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_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* pidWhiteList, uid_t userId) { + size_t len; + char errbuf[_POSIX2_LINE_MAX]; + DragonFlyBSDProcessList* dfpl = xCalloc(1, sizeof(DragonFlyBSDProcessList)); + ProcessList* pl = (ProcessList*) dfpl; + ProcessList_init(pl, Class(DragonFlyBSDProcess), usersTable, pidWhiteList, 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) { + 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); + + int cpus = 1; + len = sizeof(cpus); + if (sysctlbyname("hw.ncpu", &cpus, &len, NULL, 0) != 0) { + cpus = 1; + } + + size_t sizeof_cp_time_array = sizeof(unsigned long) * CPUSTATES; + len = 2; sysctlnametomib("kern.cp_time", MIB_kern_cp_time, &len); + dfpl->cp_time_o = xCalloc(cpus, sizeof_cp_time_array); + dfpl->cp_time_n = xCalloc(cpus, sizeof_cp_time_array); + len = sizeof_cp_time_array; + + // fetch initial single (or average) CPU clicks from kernel + sysctl(MIB_kern_cp_time, 2, dfpl->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); + dfpl->cp_times_o = xCalloc(cpus, sizeof_cp_time_array); + dfpl->cp_times_n = xCalloc(cpus, sizeof_cp_time_array); + len = cpus * sizeof_cp_time_array; + sysctl(MIB_kern_cp_times, 2, dfpl->cp_times_o, &len, NULL, 0); + } + + pl->cpuCount = MAX(cpus, 1); + + if (cpus == 1 ) { + dfpl->cpus = xRealloc(dfpl->cpus, sizeof(CPUData)); + } else { + // on smp we need CPUs + 1 to store averages too (as kernel kindly provides that as well) + dfpl->cpus = xRealloc(dfpl->cpus, (pl->cpuCount + 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; + } + + dfpl->kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf); + if (dfpl->kd == NULL) { + errx(1, "kvm_open: %s", errbuf); + } + + return pl; +} + +void ProcessList_delete(ProcessList* this) { + const DragonFlyBSDProcessList* dfpl = (DragonFlyBSDProcessList*) this; + if (dfpl->kd) kvm_close(dfpl->kd); + + if (dfpl->jails) { + Hashtable_delete(dfpl->jails); + } + free(dfpl->cp_time_o); + free(dfpl->cp_time_n); + free(dfpl->cp_times_o); + free(dfpl->cp_times_n); + free(dfpl->cpus); + + ProcessList_done(this); + free(this); +} + +static inline void DragonFlyBSDProcessList_scanCPUTime(ProcessList* pl) { + const DragonFlyBSDProcessList* dfpl = (DragonFlyBSDProcessList*) pl; + + int cpus = pl->cpuCount; // actual CPU count + 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, dfpl->cp_time_n, &sizeof_cp_time_array, NULL, 0); + + // get rest of CPUs + if (cpus > 1) { + // on smp systems DragonFlyBSD kernel concats all CPU states into one long array in + // kern.cp_times sysctl OID + // we store averages in dfpl->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, dfpl->cp_times_n, &sizeof_cp_time_array, NULL, 0); + } + + for (int i = 0; i < maxcpu; i++) { + if (cpus == 1) { + // single CPU box + cp_time_n = dfpl->cp_time_n; + cp_time_o = dfpl->cp_time_o; + } else { + if (i == 0 ) { + // average + cp_time_n = dfpl->cp_time_n; + cp_time_o = dfpl->cp_time_o; + } else { + // specific smp cores + cp_times_offset = i - 1; + cp_time_n = dfpl->cp_times_n + (cp_times_offset * CPUSTATES); + cp_time_o = dfpl->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 = &(dfpl->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, but we store it anyway + cpuData->idlePercent = cp_time_p[CP_IDLE]; + } +} + +static inline void DragonFlyBSDProcessList_scanMemoryInfo(ProcessList* pl) { + DragonFlyBSDProcessList* dfpl = (DragonFlyBSDProcessList*) 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 + size_t len = sizeof(pl->totalMem); + + //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; + sysctl(MIB_hw_physmem, 2, &(pl->totalMem), &len, NULL, 0); + pl->totalMem /= 1024; + + sysctl(MIB_vm_stats_vm_v_active_count, 4, &(dfpl->memActive), &len, NULL, 0); + dfpl->memActive *= pageSizeKb; + + sysctl(MIB_vm_stats_vm_v_wire_count, 4, &(dfpl->memWire), &len, NULL, 0); + dfpl->memWire *= pageSizeKb; + + sysctl(MIB_vfs_bufspace, 2, &(pl->buffersMem), &len, NULL, 0); + pl->buffersMem /= 1024; + + sysctl(MIB_vm_stats_vm_v_cache_count, 4, &(pl->cachedMem), &len, NULL, 0); + pl->cachedMem *= pageSizeKb; + pl->usedMem = dfpl->memActive + dfpl->memWire; + + //currently unused, same as with arc, custom meter perhaps + //sysctl(MIB_vm_stats_vm_v_inactive_count, 4, &(dfpl->memInactive), &len, NULL, 0); + //sysctl(MIB_vm_stats_vm_v_free_count, 4, &(dfpl->memFree), &len, NULL, 0); + //pl->freeMem = dfpl->memInactive + dfpl->memFree; + //pl->freeMem *= pageSizeKb; + + struct kvm_swap swap[16]; + int nswap = kvm_getswapinfo(dfpl->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 +} + +char* DragonFlyBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kproc, int* basenameEnd) { + char** argv = kvm_getargv(kd, kproc, 0); + if (!argv) { + return xStrdup(kproc->kp_comm); + } + int len = 0; + for (int i = 0; argv[i]; i++) { + len += strlen(argv[i]) + 1; + } + char* comm = xMalloc(len); + char* at = comm; + *basenameEnd = 0; + for (int i = 0; argv[i]; i++) { + at = stpcpy(at, argv[i]); + if (!*basenameEnd) { + *basenameEnd = at - comm; + } + *at = ' '; + at++; + } + at--; + *at = '\0'; + return comm; +} + +static inline void DragonFlyBSDProcessList_scanJails(DragonFlyBSDProcessList* dfpl) { + size_t len; + char *jls; /* Jail list */ + char *curpos; + char *nextpos; + + if (sysctlbyname("jail.list", NULL, &len, NULL, 0) == -1) { + fprintf(stderr, "initial sysctlbyname / jail.list failed\n"); + exit(3); + } +retry: + if (len == 0) + return; + + jls = xMalloc(len); + if (jls == NULL) { + fprintf(stderr, "xMalloc failed\n"); + exit(4); + } + if (sysctlbyname("jail.list", jls, &len, NULL, 0) == -1) { + if (errno == ENOMEM) { + free(jls); + goto retry; + } + fprintf(stderr, "sysctlbyname / jail.list failed\n"); + exit(5); + } + + if (dfpl->jails) { + Hashtable_delete(dfpl->jails); + } + dfpl->jails = Hashtable_new(20, true); + curpos = jls; + while (curpos) { + int jailid; + char *str_hostname; + nextpos = strchr(curpos, '\n'); + if (nextpos) + *nextpos++ = 0; + + jailid = atoi(strtok(curpos, " ")); + str_hostname = strtok(NULL, " "); + + char *jname = (char *) (Hashtable_get(dfpl->jails, jailid)); + if (jname == NULL) { + jname = xStrdup(str_hostname); + Hashtable_put(dfpl->jails, jailid, jname); + } + + curpos = nextpos; + } + free(jls); +} + +char* DragonFlyBSDProcessList_readJailName(DragonFlyBSDProcessList* dfpl, int jailid) { + char* hostname; + char* jname; + + if (jailid != 0 && dfpl->jails && (hostname = (char *)Hashtable_get(dfpl->jails, jailid))) { + jname = xStrdup(hostname); + } else { + jname = xStrdup("-"); + } + return jname; +} + +void ProcessList_goThroughEntries(ProcessList* this) { + DragonFlyBSDProcessList* dfpl = (DragonFlyBSDProcessList*) this; + Settings* settings = this->settings; + bool hideKernelThreads = settings->hideKernelThreads; + bool hideUserlandThreads = settings->hideUserlandThreads; + + DragonFlyBSDProcessList_scanMemoryInfo(this); + DragonFlyBSDProcessList_scanCPUTime(this); + DragonFlyBSDProcessList_scanJails(dfpl); + + int count = 0; + + // TODO Kernel Threads seem to be skipped, need to figure out the correct flag + struct kinfo_proc* kprocs = kvm_getprocs(dfpl->kd, KERN_PROC_ALL | (!hideUserlandThreads ? KERN_PROC_FLAG_LWP : 0), 0, &count); + + for (int i = 0; i < count; i++) { + struct kinfo_proc* kproc = &kprocs[i]; + bool preExisting = false; + bool _UNUSED_ isIdleProcess = false; + + // note: dragonflybsd kernel processes all have the same pid, so we misuse the kernel thread address to give them a unique identifier + Process* proc = ProcessList_getProcess(this, kproc->kp_ktaddr ? (pid_t)kproc->kp_ktaddr : kproc->kp_pid, &preExisting, (Process_New) DragonFlyBSDProcess_new); + DragonFlyBSDProcess* dfp = (DragonFlyBSDProcess*) proc; + + proc->show = ! ((hideKernelThreads && Process_isKernelThread(dfp)) || (hideUserlandThreads && Process_isUserlandThread(proc))); + + if (!preExisting) { + dfp->jid = kproc->kp_jailid; + if (kproc->kp_ktaddr && kproc->kp_flags & P_SYSTEM) { + // dfb kernel threads all have the same pid, so we misuse the kernel thread address to give them a unique identifier + proc->pid = (pid_t)kproc->kp_ktaddr; + dfp->kernel = 1; + } else { + proc->pid = kproc->kp_pid; // process ID + dfp->kernel = 0; + } + proc->ppid = kproc->kp_ppid; // parent process id + proc->tpgid = kproc->kp_tpgid; // tty process group id + //proc->tgid = kproc->kp_lwp.kl_tid; // thread group id + proc->tgid = kproc->kp_pid; // thread group id + proc->pgrp = kproc->kp_pgid; // process group id + proc->session = kproc->kp_sid; + proc->tty_nr = kproc->kp_tdev; // control terminal device number + proc->st_uid = kproc->kp_uid; // user ID + proc->processor = kproc->kp_lwp.kl_origcpu; + proc->starttime_ctime = kproc->kp_start.tv_sec; + proc->user = UsersTable_getRef(this->usersTable, proc->st_uid); + + ProcessList_add((ProcessList*)this, proc); + proc->comm = DragonFlyBSDProcessList_readProcessName(dfpl->kd, kproc, &proc->basenameOffset); + dfp->jname = DragonFlyBSDProcessList_readJailName(dfpl, kproc->kp_jailid); + } else { + proc->processor = kproc->kp_lwp.kl_cpuid; + if(dfp->jid != kproc->kp_jailid) { // process can enter jail anytime + dfp->jid = kproc->kp_jailid; + free(dfp->jname); + dfp->jname = DragonFlyBSDProcessList_readJailName(dfpl, kproc->kp_jailid); + } + if (proc->ppid != kproc->kp_ppid) { // if there are reapers in the system, process can get reparented anytime + proc->ppid = kproc->kp_ppid; + } + if(proc->st_uid != kproc->kp_uid) { // some processes change users (eg. to lower privs) + proc->st_uid = kproc->kp_uid; + proc->user = UsersTable_getRef(this->usersTable, proc->st_uid); + } + if (settings->updateProcessNames) { + free(proc->comm); + proc->comm = DragonFlyBSDProcessList_readProcessName(dfpl->kd, kproc, &proc->basenameOffset); + } + } + + proc->m_size = kproc->kp_vm_map_size / 1024 / pageSizeKb; + proc->m_resident = kproc->kp_vm_rssize; + proc->percent_mem = (proc->m_resident * PAGE_SIZE_KB) / (double)(this->totalMem) * 100.0; + proc->nlwp = kproc->kp_nthreads; // number of lwp thread + proc->time = (kproc->kp_swtime + 5000) / 10000; + + proc->percent_cpu = 100.0 * ((double)kproc->kp_lwp.kl_pctcpu / (double)kernelFScale); + proc->percent_mem = 100.0 * (proc->m_resident * PAGE_SIZE_KB) / (double)(this->totalMem); + + if (proc->percent_cpu > 0.1) { + // system idle process should own all CPU time left regardless of CPU count + if ( strcmp("idle", kproc->kp_comm) == 0 ) { + isIdleProcess = true; + } + } + + if (kproc->kp_lwp.kl_pid != -1) + proc->priority = kproc->kp_lwp.kl_prio; + else + proc->priority = -kproc->kp_lwp.kl_tdprio; + + switch(kproc->kp_lwp.kl_rtprio.type) { + case RTP_PRIO_REALTIME: + proc->nice = PRIO_MIN - 1 - RTP_PRIO_MAX + kproc->kp_lwp.kl_rtprio.prio; + break; + case RTP_PRIO_IDLE: + proc->nice = PRIO_MAX + 1 + kproc->kp_lwp.kl_rtprio.prio; + break; + case RTP_PRIO_THREAD: + proc->nice = PRIO_MIN - 1 - RTP_PRIO_MAX - kproc->kp_lwp.kl_rtprio.prio; + break; + default: + proc->nice = kproc->kp_nice; + break; + } + + // would be nice if we could store multiple states in proc->state (as enum) and have writeField render them + switch (kproc->kp_stat) { + case SIDL: proc->state = 'I'; isIdleProcess = true; break; + case SACTIVE: + switch (kproc->kp_lwp.kl_stat) { + case LSSLEEP: + if (kproc->kp_lwp.kl_flags & LWP_SINTR) // interruptable wait short/long + if (kproc->kp_lwp.kl_slptime >= MAXSLP) { + proc->state = 'I'; + isIdleProcess = true; + } else { + proc->state = 'S'; + } + else if (kproc->kp_lwp.kl_tdflags & TDF_SINTR) // interruptable lwkt wait + proc->state = 'S'; + else if (kproc->kp_paddr) // uninterruptable wait + proc->state = 'D'; + else // uninterruptable lwkt wait + proc->state = 'B'; + break; + case LSRUN: + if (kproc->kp_lwp.kl_stat == LSRUN) { + if (!(kproc->kp_lwp.kl_tdflags & (TDF_RUNNING | TDF_RUNQ))) + proc->state = 'Q'; + else + proc->state = 'R'; + } + break; + case LSSTOP: + proc->state = 'T'; + break; + default: + proc->state = 'A'; + break; + } + break; + case SSTOP: proc->state = 'T'; break; + case SZOMB: proc->state = 'Z'; break; + case SCORE: proc->state = 'C'; break; + default: proc->state = '?'; + } + + if (kproc->kp_flags & P_SWAPPEDOUT) { + proc->state = 'W'; + } + if (kproc->kp_flags & P_TRACED) { + proc->state = 'T'; + } + if (kproc->kp_flags & P_JAILED) { + proc->state = 'J'; + } + + if (Process_isKernelThread(dfp)) { + this->kernelThreads++; + } + + this->totalTasks++; + if (proc->state == 'R') + this->runningTasks++; + proc->updated = true; + } +} -- cgit v1.2.3