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-rw-r--r--solaris/SolarisProcessList.c560
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diff --git a/solaris/SolarisProcessList.c b/solaris/SolarisProcessList.c
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-/*
-htop - SolarisProcessList.c
-(C) 2014 Hisham H. Muhammad
-(C) 2017,2018 Guy M. Broome
-Released under the GNU GPLv2+, see the COPYING file
-in the source distribution for its full text.
-*/
-
-
-#include "solaris/SolarisProcessList.h"
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/user.h>
-#include <limits.h>
-#include <string.h>
-#include <procfs.h>
-#include <errno.h>
-#include <pwd.h>
-#include <math.h>
-#include <time.h>
-
-#include "CRT.h"
-#include "solaris/Platform.h"
-#include "solaris/SolarisProcess.h"
-
-
-#define GZONE "global "
-#define UZONE "unknown "
-
-static int pageSize;
-static int pageSizeKB;
-
-static char* SolarisProcessList_readZoneName(kstat_ctl_t* kd, SolarisProcess* sproc) {
- char* zname;
-
- if ( sproc->zoneid == 0 ) {
- zname = xStrdup(GZONE);
- } else if ( kd == NULL ) {
- zname = xStrdup(UZONE);
- } else {
- kstat_t* ks = kstat_lookup_wrapper( kd, "zones", sproc->zoneid, NULL );
- zname = xStrdup(ks == NULL ? UZONE : ks->ks_name);
- }
-
- return zname;
-}
-
-static void SolarisProcessList_updateCPUcount(ProcessList* super) {
- SolarisProcessList* spl = (SolarisProcessList*) super;
- long int s;
- bool change = false;
-
- s = sysconf(_SC_NPROCESSORS_CONF);
- if (s < 1)
- CRT_fatalError("Cannot get existing CPU count by sysconf(_SC_NPROCESSORS_CONF)");
-
- if (s != super->existingCPUs) {
- if (s == 1) {
- spl->cpus = xRealloc(spl->cpus, sizeof(CPUData));
- spl->cpus[0].online = true;
- } else {
- spl->cpus = xReallocArray(spl->cpus, s + 1, sizeof(CPUData));
- spl->cpus[0].online = true; /* average is always "online" */
- for (int i = 1; i < s + 1; i++) {
- spl->cpus[i].online = false;
- }
- }
-
- change = true;
- super->existingCPUs = s;
- }
-
- s = sysconf(_SC_NPROCESSORS_ONLN);
- if (s < 1)
- CRT_fatalError("Cannot get active CPU count by sysconf(_SC_NPROCESSORS_ONLN)");
-
- if (s != super->activeCPUs) {
- change = true;
- super->activeCPUs = s;
- }
-
- if (change) {
- kstat_close(spl->kd);
- spl->kd = kstat_open();
- if (!spl->kd)
- CRT_fatalError("Cannot open kstat handle");
- }
-}
-
-ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* dynamicMeters, Hashtable* dynamicColumns, Hashtable* pidMatchList, uid_t userId) {
- SolarisProcessList* spl = xCalloc(1, sizeof(SolarisProcessList));
- ProcessList* pl = (ProcessList*) spl;
- ProcessList_init(pl, Class(SolarisProcess), usersTable, dynamicMeters, dynamicColumns, pidMatchList, userId);
-
- spl->kd = kstat_open();
- if (!spl->kd)
- CRT_fatalError("Cannot open kstat handle");
-
- pageSize = sysconf(_SC_PAGESIZE);
- if (pageSize == -1)
- CRT_fatalError("Cannot get pagesize by sysconf(_SC_PAGESIZE)");
- pageSizeKB = pageSize / 1024;
-
- SolarisProcessList_updateCPUcount(pl);
-
- return pl;
-}
-
-static inline void SolarisProcessList_scanCPUTime(ProcessList* pl) {
- const SolarisProcessList* spl = (SolarisProcessList*) pl;
- unsigned int activeCPUs = pl->activeCPUs;
- unsigned int existingCPUs = pl->existingCPUs;
- kstat_t* cpuinfo = NULL;
- kstat_named_t* idletime = NULL;
- kstat_named_t* intrtime = NULL;
- kstat_named_t* krnltime = NULL;
- kstat_named_t* usertime = NULL;
- kstat_named_t* cpu_freq = NULL;
- double idlebuf = 0;
- double intrbuf = 0;
- double krnlbuf = 0;
- double userbuf = 0;
- int arrskip = 0;
-
- assert(existingCPUs > 0);
- assert(spl->kd);
-
- if (existingCPUs > 1) {
- // Store values for the stats loop one extra element up in the array
- // to leave room for the average to be calculated afterwards
- arrskip++;
- }
-
- // Calculate per-CPU statistics first
- for (unsigned int i = 0; i < existingCPUs; i++) {
- CPUData* cpuData = &(spl->cpus[i + arrskip]);
-
- if ((cpuinfo = kstat_lookup_wrapper(spl->kd, "cpu", i, "sys")) != NULL) {
- cpuData->online = true;
- if (kstat_read(spl->kd, cpuinfo, NULL) != -1) {
- idletime = kstat_data_lookup_wrapper(cpuinfo, "cpu_nsec_idle");
- intrtime = kstat_data_lookup_wrapper(cpuinfo, "cpu_nsec_intr");
- krnltime = kstat_data_lookup_wrapper(cpuinfo, "cpu_nsec_kernel");
- usertime = kstat_data_lookup_wrapper(cpuinfo, "cpu_nsec_user");
- }
- } else {
- cpuData->online = false;
- continue;
- }
-
- assert( (idletime != NULL) && (intrtime != NULL)
- && (krnltime != NULL) && (usertime != NULL) );
-
- if (pl->settings->showCPUFrequency) {
- if ((cpuinfo = kstat_lookup_wrapper(spl->kd, "cpu_info", i, NULL)) != NULL) {
- if (kstat_read(spl->kd, cpuinfo, NULL) != -1) {
- cpu_freq = kstat_data_lookup_wrapper(cpuinfo, "current_clock_Hz");
- }
- }
-
- assert( cpu_freq != NULL );
- }
-
- uint64_t totaltime = (idletime->value.ui64 - cpuData->lidle)
- + (intrtime->value.ui64 - cpuData->lintr)
- + (krnltime->value.ui64 - cpuData->lkrnl)
- + (usertime->value.ui64 - cpuData->luser);
-
- // Calculate percentages of deltas since last reading
- cpuData->userPercent = ((usertime->value.ui64 - cpuData->luser) / (double)totaltime) * 100.0;
- cpuData->nicePercent = (double)0.0; // Not implemented on Solaris
- cpuData->systemPercent = ((krnltime->value.ui64 - cpuData->lkrnl) / (double)totaltime) * 100.0;
- cpuData->irqPercent = ((intrtime->value.ui64 - cpuData->lintr) / (double)totaltime) * 100.0;
- cpuData->systemAllPercent = cpuData->systemPercent + cpuData->irqPercent;
- cpuData->idlePercent = ((idletime->value.ui64 - cpuData->lidle) / (double)totaltime) * 100.0;
- // Store current values to use for the next round of deltas
- cpuData->luser = usertime->value.ui64;
- cpuData->lkrnl = krnltime->value.ui64;
- cpuData->lintr = intrtime->value.ui64;
- cpuData->lidle = idletime->value.ui64;
- // Add frequency in MHz
- cpuData->frequency = pl->settings->showCPUFrequency ? (double)cpu_freq->value.ui64 / 1E6 : NAN;
- // Accumulate the current percentages into buffers for later average calculation
- if (existingCPUs > 1) {
- userbuf += cpuData->userPercent;
- krnlbuf += cpuData->systemPercent;
- intrbuf += cpuData->irqPercent;
- idlebuf += cpuData->idlePercent;
- }
- }
-
- if (existingCPUs > 1) {
- CPUData* cpuData = &(spl->cpus[0]);
- cpuData->userPercent = userbuf / activeCPUs;
- cpuData->nicePercent = (double)0.0; // Not implemented on Solaris
- cpuData->systemPercent = krnlbuf / activeCPUs;
- cpuData->irqPercent = intrbuf / activeCPUs;
- cpuData->systemAllPercent = cpuData->systemPercent + cpuData->irqPercent;
- cpuData->idlePercent = idlebuf / activeCPUs;
- }
-}
-
-static inline void SolarisProcessList_scanMemoryInfo(ProcessList* pl) {
- SolarisProcessList* spl = (SolarisProcessList*) pl;
- static kstat_t *meminfo = NULL;
- int ksrphyserr = -1;
- kstat_named_t *totalmem_pgs = NULL;
- kstat_named_t *freemem_pgs = NULL;
- kstat_named_t *pages = NULL;
- struct swaptable *sl = NULL;
- struct swapent *swapdev = NULL;
- uint64_t totalswap = 0;
- uint64_t totalfree = 0;
- int nswap = 0;
- char *spath = NULL;
- char *spathbase = NULL;
-
- // Part 1 - physical memory
- if (spl->kd != NULL && meminfo == NULL) {
- // Look up the kstat chain just once, it never changes
- meminfo = kstat_lookup_wrapper(spl->kd, "unix", 0, "system_pages");
- }
- if (meminfo != NULL) {
- ksrphyserr = kstat_read(spl->kd, meminfo, NULL);
- }
- if (ksrphyserr != -1) {
- totalmem_pgs = kstat_data_lookup_wrapper(meminfo, "physmem");
- freemem_pgs = kstat_data_lookup_wrapper(meminfo, "freemem");
- pages = kstat_data_lookup_wrapper(meminfo, "pagestotal");
-
- pl->totalMem = totalmem_pgs->value.ui64 * pageSizeKB;
- if (pl->totalMem > freemem_pgs->value.ui64 * pageSizeKB) {
- pl->usedMem = pl->totalMem - freemem_pgs->value.ui64 * pageSizeKB;
- } else {
- pl->usedMem = 0; // This can happen in non-global zone (in theory)
- }
- // Not sure how to implement this on Solaris - suggestions welcome!
- pl->cachedMem = 0;
- // Not really "buffers" but the best Solaris analogue that I can find to
- // "memory in use but not by programs or the kernel itself"
- pl->buffersMem = (totalmem_pgs->value.ui64 - pages->value.ui64) * pageSizeKB;
- } else {
- // Fall back to basic sysconf if kstat isn't working
- pl->totalMem = sysconf(_SC_PHYS_PAGES) * pageSize;
- pl->buffersMem = 0;
- pl->cachedMem = 0;
- pl->usedMem = pl->totalMem - (sysconf(_SC_AVPHYS_PAGES) * pageSize);
- }
-
- // Part 2 - swap
- nswap = swapctl(SC_GETNSWP, NULL);
- if (nswap > 0) {
- sl = xMalloc((nswap * sizeof(swapent_t)) + sizeof(int));
- }
- if (sl != NULL) {
- spathbase = xMalloc( nswap * MAXPATHLEN );
- }
- if (spathbase != NULL) {
- spath = spathbase;
- swapdev = sl->swt_ent;
- for (int i = 0; i < nswap; i++, swapdev++) {
- swapdev->ste_path = spath;
- spath += MAXPATHLEN;
- }
- sl->swt_n = nswap;
- }
- nswap = swapctl(SC_LIST, sl);
- if (nswap > 0) {
- swapdev = sl->swt_ent;
- for (int i = 0; i < nswap; i++, swapdev++) {
- totalswap += swapdev->ste_pages;
- totalfree += swapdev->ste_free;
- }
- }
- free(spathbase);
- free(sl);
- pl->totalSwap = totalswap * pageSizeKB;
- pl->usedSwap = pl->totalSwap - (totalfree * pageSizeKB);
-}
-
-static inline void SolarisProcessList_scanZfsArcstats(ProcessList* pl) {
- SolarisProcessList* spl = (SolarisProcessList*) pl;
- kstat_t *arcstats = NULL;
- int ksrphyserr = -1;
- kstat_named_t *cur_kstat = NULL;
-
- if (spl->kd != NULL) {
- arcstats = kstat_lookup_wrapper(spl->kd, "zfs", 0, "arcstats");
- }
- if (arcstats != NULL) {
- ksrphyserr = kstat_read(spl->kd, arcstats, NULL);
- }
- if (ksrphyserr != -1) {
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "size" );
- spl->zfs.size = cur_kstat->value.ui64 / 1024;
- spl->zfs.enabled = spl->zfs.size > 0 ? 1 : 0;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "c_max" );
- spl->zfs.max = cur_kstat->value.ui64 / 1024;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "mfu_size" );
- spl->zfs.MFU = cur_kstat != NULL ? cur_kstat->value.ui64 / 1024 : 0;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "mru_size" );
- spl->zfs.MRU = cur_kstat != NULL ? cur_kstat->value.ui64 / 1024 : 0;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "anon_size" );
- spl->zfs.anon = cur_kstat != NULL ? cur_kstat->value.ui64 / 1024 : 0;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "hdr_size" );
- spl->zfs.header = cur_kstat != NULL ? cur_kstat->value.ui64 / 1024 : 0;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "other_size" );
- spl->zfs.other = cur_kstat != NULL ? cur_kstat->value.ui64 / 1024 : 0;
-
- if ((cur_kstat = kstat_data_lookup_wrapper( arcstats, "compressed_size" )) != NULL) {
- spl->zfs.compressed = cur_kstat->value.ui64 / 1024;
- spl->zfs.isCompressed = 1;
-
- cur_kstat = kstat_data_lookup_wrapper( arcstats, "uncompressed_size" );
- spl->zfs.uncompressed = cur_kstat->value.ui64 / 1024;
- } else {
- spl->zfs.isCompressed = 0;
- }
- }
-}
-
-void ProcessList_delete(ProcessList* pl) {
- SolarisProcessList* spl = (SolarisProcessList*) pl;
- ProcessList_done(pl);
- free(spl->cpus);
- if (spl->kd) {
- kstat_close(spl->kd);
- }
- free(spl);
-}
-
-static void SolarisProcessList_updateExe(pid_t pid, Process* proc) {
- char path[32];
- xSnprintf(path, sizeof(path), "/proc/%d/path/a.out", pid);
-
- char target[PATH_MAX];
- ssize_t ret = readlink(path, target, sizeof(target) - 1);
- if (ret <= 0)
- return;
-
- target[ret] = '\0';
- Process_updateExe(proc, target);
-}
-
-static void SolarisProcessList_updateCwd(pid_t pid, Process* proc) {
- char path[32];
- xSnprintf(path, sizeof(path), "/proc/%d/cwd", pid);
-
- char target[PATH_MAX];
- ssize_t ret = readlink(path, target, sizeof(target) - 1);
- if (ret <= 0)
- return;
-
- target[ret] = '\0';
- free_and_xStrdup(&proc->procCwd, target);
-}
-
-/* Taken from: https://docs.oracle.com/cd/E19253-01/817-6223/6mlkidlom/index.html#tbl-sched-state */
-static inline ProcessState SolarisProcessList_getProcessState(char state) {
- switch (state) {
- case 'S': return SLEEPING;
- case 'R': return RUNNABLE;
- case 'O': return RUNNING;
- case 'Z': return ZOMBIE;
- case 'T': return STOPPED;
- case 'I': return IDLE;
- default: return UNKNOWN;
- }
-}
-
-/* NOTE: the following is a callback function of type proc_walk_f
- * and MUST conform to the appropriate definition in order
- * to work. See libproc(3LIB) on a Solaris or Illumos
- * system for more info.
- */
-
-static int SolarisProcessList_walkproc(psinfo_t* _psinfo, lwpsinfo_t* _lwpsinfo, void* listptr) {
- bool preExisting;
- pid_t getpid;
-
- // Setup process list
- ProcessList* pl = (ProcessList*) listptr;
- SolarisProcessList* spl = (SolarisProcessList*) listptr;
-
- id_t lwpid_real = _lwpsinfo->pr_lwpid;
- if (lwpid_real > 1023) {
- return 0;
- }
-
- pid_t lwpid = (_psinfo->pr_pid * 1024) + lwpid_real;
- bool onMasterLWP = (_lwpsinfo->pr_lwpid == _psinfo->pr_lwp.pr_lwpid);
- if (onMasterLWP) {
- getpid = _psinfo->pr_pid * 1024;
- } else {
- getpid = lwpid;
- }
-
- Process* proc = ProcessList_getProcess(pl, getpid, &preExisting, SolarisProcess_new);
- SolarisProcess* sproc = (SolarisProcess*) proc;
-
- // Common code pass 1
- proc->show = false;
- sproc->taskid = _psinfo->pr_taskid;
- sproc->projid = _psinfo->pr_projid;
- sproc->poolid = _psinfo->pr_poolid;
- sproc->contid = _psinfo->pr_contract;
- proc->priority = _lwpsinfo->pr_pri;
- proc->nice = _lwpsinfo->pr_nice - NZERO;
- proc->processor = _lwpsinfo->pr_onpro;
- proc->state = SolarisProcessList_getProcessState(_lwpsinfo->pr_sname);
- // NOTE: This 'percentage' is a 16-bit BINARY FRACTIONS where 1.0 = 0x8000
- // Source: https://docs.oracle.com/cd/E19253-01/816-5174/proc-4/index.html
- // (accessed on 18 November 2017)
- proc->percent_mem = ((uint16_t)_psinfo->pr_pctmem / (double)32768) * (double)100.0;
- proc->pgrp = _psinfo->pr_pgid;
- proc->nlwp = _psinfo->pr_nlwp;
- proc->session = _psinfo->pr_sid;
-
- proc->tty_nr = _psinfo->pr_ttydev;
- const char* name = (_psinfo->pr_ttydev != PRNODEV) ? ttyname(_psinfo->pr_ttydev) : NULL;
- if (!name) {
- free(proc->tty_name);
- proc->tty_name = NULL;
- } else {
- free_and_xStrdup(&proc->tty_name, name);
- }
-
- proc->m_resident = _psinfo->pr_rssize; // KB
- proc->m_virt = _psinfo->pr_size; // KB
-
- if (proc->st_uid != _psinfo->pr_euid) {
- proc->st_uid = _psinfo->pr_euid;
- proc->user = UsersTable_getRef(pl->usersTable, proc->st_uid);
- }
-
- if (!preExisting) {
- sproc->realpid = _psinfo->pr_pid;
- sproc->lwpid = lwpid_real;
- sproc->zoneid = _psinfo->pr_zoneid;
- sproc->zname = SolarisProcessList_readZoneName(spl->kd, sproc);
- SolarisProcessList_updateExe(_psinfo->pr_pid, proc);
-
- Process_updateComm(proc, _psinfo->pr_fname);
- Process_updateCmdline(proc, _psinfo->pr_psargs, 0, 0);
-
- if (proc->settings->ss->flags & PROCESS_FLAG_CWD) {
- SolarisProcessList_updateCwd(_psinfo->pr_pid, proc);
- }
- }
-
- // End common code pass 1
-
- if (onMasterLWP) { // Are we on the representative LWP?
- proc->ppid = (_psinfo->pr_ppid * 1024);
- proc->tgid = (_psinfo->pr_ppid * 1024);
- sproc->realppid = _psinfo->pr_ppid;
- sproc->realtgid = _psinfo->pr_ppid;
-
- // See note above (in common section) about this BINARY FRACTION
- proc->percent_cpu = ((uint16_t)_psinfo->pr_pctcpu / (double)32768) * (double)100.0;
- Process_updateCPUFieldWidths(proc->percent_cpu);
-
- proc->time = _psinfo->pr_time.tv_sec * 100 + _psinfo->pr_time.tv_nsec / 10000000;
- if (!preExisting) { // Tasks done only for NEW processes
- proc->isUserlandThread = false;
- proc->starttime_ctime = _psinfo->pr_start.tv_sec;
- }
-
- // Update proc and thread counts based on settings
- if (proc->isKernelThread && !pl->settings->hideKernelThreads) {
- pl->kernelThreads += proc->nlwp;
- pl->totalTasks += proc->nlwp + 1;
- if (proc->state == RUNNING) {
- pl->runningTasks++;
- }
- } else if (!proc->isKernelThread) {
- if (proc->state == RUNNING) {
- pl->runningTasks++;
- }
- if (pl->settings->hideUserlandThreads) {
- pl->totalTasks++;
- } else {
- pl->userlandThreads += proc->nlwp;
- pl->totalTasks += proc->nlwp + 1;
- }
- }
- proc->show = !(pl->settings->hideKernelThreads && proc->isKernelThread);
- } else { // We are not in the master LWP, so jump to the LWP handling code
- proc->percent_cpu = ((uint16_t)_lwpsinfo->pr_pctcpu / (double)32768) * (double)100.0;
- Process_updateCPUFieldWidths(proc->percent_cpu);
-
- proc->time = _lwpsinfo->pr_time.tv_sec * 100 + _lwpsinfo->pr_time.tv_nsec / 10000000;
- if (!preExisting) { // Tasks done only for NEW LWPs
- proc->isUserlandThread = true;
- proc->ppid = _psinfo->pr_pid * 1024;
- proc->tgid = _psinfo->pr_pid * 1024;
- sproc->realppid = _psinfo->pr_pid;
- sproc->realtgid = _psinfo->pr_pid;
- proc->starttime_ctime = _lwpsinfo->pr_start.tv_sec;
- }
-
- // Top-level process only gets this for the representative LWP
- if (proc->isKernelThread && !pl->settings->hideKernelThreads) {
- proc->show = true;
- }
- if (!proc->isKernelThread && !pl->settings->hideUserlandThreads) {
- proc->show = true;
- }
- } // Top-level LWP or subordinate LWP
-
- // Common code pass 2
-
- if (!preExisting) {
- if ((sproc->realppid <= 0) && !(sproc->realpid <= 1)) {
- proc->isKernelThread = true;
- } else {
- proc->isKernelThread = false;
- }
-
- Process_fillStarttimeBuffer(proc);
- ProcessList_add(pl, proc);
- }
-
- proc->updated = true;
-
- // End common code pass 2
-
- return 0;
-}
-
-void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
- SolarisProcessList_updateCPUcount(super);
- SolarisProcessList_scanCPUTime(super);
- SolarisProcessList_scanMemoryInfo(super);
- SolarisProcessList_scanZfsArcstats(super);
-
- // in pause mode only gather global data for meters (CPU/memory/...)
- if (pauseProcessUpdate) {
- return;
- }
-
- super->kernelThreads = 1;
- proc_walk(&SolarisProcessList_walkproc, super, PR_WALK_LWP);
-}
-
-bool ProcessList_isCPUonline(const ProcessList* super, unsigned int id) {
- assert(id < super->existingCPUs);
-
- const SolarisProcessList* spl = (const SolarisProcessList*) super;
-
- return (super->existingCPUs == 1) ? true : spl->cpus[id + 1].online;
-}

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