solaris/SolarisProcessList.c - htop - Rivoreo Source Code Repositories

 /*
 htop - SolarisProcessList.c
 (C) 2014 Hisham H. Muhammad
 (C) 2017,2018 Guy M. Broome
 Released under the GNU GPL, see the COPYING file
 in the source distribution for its full text.
 */

 #include "ProcessList.h"
 #include "SolarisProcess.h"
 #include "SolarisProcessList.h"

 #include <unistd.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/user.h>
 #include <err.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <string.h>
 #include <procfs.h>
 #include <errno.h>
 #include <pwd.h>
 #include <dirent.h>
 #include <math.h>
 #include <time.h>

 #define MAXCMDLINE 255

 /*{

 #include <kstat.h>
 #include <sys/param.h>
 #include <zone.h>
 #include <sys/uio.h>
 #include <sys/resource.h>
 #include <sys/sysconf.h>
 #include <sys/sysinfo.h>
 #include <sys/swap.h>

 #define ZONE_ERRMSGLEN 1024
 char zone_errmsg[ZONE_ERRMSGLEN];

 typedef struct CPUData_ {
    double userPercent;
    double nicePercent;
    double systemPercent;
    double irqPercent;
    double idlePercent;
    double systemAllPercent;
    uint64_t luser;
    uint64_t lkrnl;
    uint64_t lintr;
    uint64_t lidle;
 } CPUData;

 typedef struct SolarisProcessList_ {
    ProcessList super;
    kstat_ctl_t* kd;
    CPUData* cpus;
 } SolarisProcessList;

 }*/

 char* SolarisProcessList_readZoneName(kstat_ctl_t* kd, SolarisProcess* sproc) {
   char* zname;
   if ( sproc->zoneid == 0 ) {
      zname = xStrdup("global    ");
   } else if ( kd == NULL ) {
      zname = xStrdup("unknown   ");
   } else {
      kstat_t* ks = kstat_lookup( kd, "zones", sproc->zoneid, NULL );
      zname = xStrdup(ks->ks_name);
   }
   return zname;
 }

 ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
    SolarisProcessList* spl = xCalloc(1, sizeof(SolarisProcessList));
    ProcessList* pl = (ProcessList*) spl;
    ProcessList_init(pl, Class(SolarisProcess), usersTable, pidWhiteList, userId);

    spl->kd = kstat_open();

    pl->cpuCount = sysconf(_SC_NPROCESSORS_ONLN);

    if (pl->cpuCount == 1 ) {
       spl->cpus = xRealloc(spl->cpus, sizeof(CPUData));
    } else {
       spl->cpus = xRealloc(spl->cpus, (pl->cpuCount + 1) * sizeof(CPUData));
    }

    return pl;
 }

 static inline void SolarisProcessList_scanCPUTime(ProcessList* pl) {
    const SolarisProcessList* spl = (SolarisProcessList*) pl;
    int cpus = pl->cpuCount;
    kstat_t *cpuinfo = NULL;
    int kchain = 0;
    kstat_named_t *idletime = NULL;
    kstat_named_t *intrtime = NULL;
    kstat_named_t *krnltime = NULL;
    kstat_named_t *usertime = NULL;
    double idlebuf = 0;
    double intrbuf = 0;
    double krnlbuf = 0;
    double userbuf = 0;
    uint64_t totaltime = 0;
    int arrskip = 0;

    assert(cpus > 0);

    if (cpus > 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 (int i = 0; i < cpus; i++) {
       if (spl->kd != NULL) { cpuinfo = kstat_lookup(spl->kd,"cpu",i,"sys"); }
       if (cpuinfo != NULL) { kchain = kstat_read(spl->kd,cpuinfo,NULL); }
       if (kchain  != -1  ) {
          idletime = kstat_data_lookup(cpuinfo,"cpu_nsec_idle");
          intrtime = kstat_data_lookup(cpuinfo,"cpu_nsec_intr");
          krnltime = kstat_data_lookup(cpuinfo,"cpu_nsec_kernel");
          usertime = kstat_data_lookup(cpuinfo,"cpu_nsec_user");
       }

       assert( (idletime != NULL) && (intrtime != NULL)
            && (krnltime != NULL) && (usertime != NULL) );

       CPUData* cpuData = &(spl->cpus[i+arrskip]);
       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;
       // Accumulate the current percentages into buffers for later average calculation
       if (cpus > 1) {
          userbuf               += cpuData->userPercent;
          krnlbuf               += cpuData->systemPercent;
          intrbuf               += cpuData->irqPercent;
          idlebuf               += cpuData->idlePercent;
       }
    }

    if (cpus > 1) {
       CPUData* cpuData          = &(spl->cpus[0]);
       cpuData->userPercent      = userbuf / cpus;
       cpuData->nicePercent      = (double)0.0; // Not implemented on Solaris
       cpuData->systemPercent    = krnlbuf / cpus;
       cpuData->irqPercent       = intrbuf / cpus;
       cpuData->systemAllPercent = cpuData->systemPercent + cpuData->irqPercent;
       cpuData->idlePercent      = idlebuf / cpus;
    }
 }

 static inline void SolarisProcessList_scanMemoryInfo(ProcessList* pl) {
    SolarisProcessList* spl = (SolarisProcessList*) pl;
    kstat_t             *meminfo = NULL;
    int                 ksrphyserr = 0;
    kstat_named_t       *totalmem_pgs = NULL;
    kstat_named_t       *lockedmem_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;
    // PAGE_SIZE is a macro to a function call.
    // Since we use it so much in here, go ahead copy
    // the value locally.
    int              pgsiz = PAGE_SIZE;

    // Part 1 - physical memory
    if (spl->kd != NULL) { meminfo    = kstat_lookup(spl->kd,"unix",0,"system_pages"); }
    if (meminfo != NULL) { ksrphyserr = kstat_read(spl->kd,meminfo,NULL); }
    if (ksrphyserr != -1) {
       totalmem_pgs   = kstat_data_lookup( meminfo, "physmem" );
       lockedmem_pgs  = kstat_data_lookup( meminfo, "pageslocked" );
       pages          = kstat_data_lookup( meminfo, "pagestotal" );

       pl->totalMem   = ((totalmem_pgs->value.ui64)/1024)  * pgsiz;
       pl->usedMem    = ((lockedmem_pgs->value.ui64)/1024) * pgsiz;
       // 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)/1024) - (pages->value.ui64)/1024) * pgsiz;
    } else {
       // Fall back to basic sysconf if kstat isn't working
       pl->totalMem = sysconf(_SC_PHYS_PAGES) * pgsiz;
       pl->buffersMem = 0;
       pl->cachedMem  = 0;
       pl->usedMem    = pl->totalMem - (sysconf(_SC_AVPHYS_PAGES) * pgsiz);
    }

    // Part 2 - swap
    nswap = swapctl(SC_GETNSWP, NULL);
    if (nswap >     0) { sl  = malloc(nswap * sizeof(swapent_t) + sizeof(int)); }
    if (sl    != NULL) { spath = malloc( nswap * MAXPATHLEN ); }
    if (spath != NULL) {
       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(swapdev->ste_path);
       }
       free(sl);
    }
    pl->totalSwap = (totalswap * pgsiz)/1024;
    pl->usedSwap  = pl->totalSwap - ((totalfree * pgsiz)/1024);
 }

 void ProcessList_delete(ProcessList* this) {
    const SolarisProcessList* spl = (SolarisProcessList*) this;
    if (spl->kd) kstat_close(spl->kd);
    free(spl->cpus);
    ProcessList_done(this);
    free(this);
 }

 void ProcessList_goThroughEntries(ProcessList* this) {
    SolarisProcessList* spl = (SolarisProcessList*) this;
    Settings* settings = this->settings;
    bool hideKernelThreads = settings->hideKernelThreads;
    bool hideUserlandThreads = settings->hideUserlandThreads;
    DIR* dir = NULL;
    struct dirent* entry = NULL;
    char*  name = NULL;
    int    pid;
    bool   preExisting = false;
    Process* proc = NULL;
    Process* parent = NULL;
    SolarisProcess* sproc = NULL;
    psinfo_t _psinfo;
    pstatus_t _pstatus;
    prusage_t _prusage;
    char filename[MAX_NAME+1];
    FILE *fp = NULL;
    uint64_t addRunning = 0;
    uint64_t addTotal = 0;
    struct timeval tv;
    struct tm date;

    gettimeofday(&tv, NULL);

    // If these fail, then the relevant metrics will simply display as zero
    SolarisProcessList_scanCPUTime(this);
    SolarisProcessList_scanMemoryInfo(this);

    dir = opendir(PROCDIR);
    if (!dir) return; // Is proc mounted?
    while ((entry = readdir(dir)) != NULL) {
       addRunning = 0;
       addTotal = 0;
       name = entry->d_name;
       pid = atoi(name);
       proc = ProcessList_getProcess(this, pid, &preExisting, (Process_New) SolarisProcess_new);
       proc->tgid = parent ? parent->pid : pid;
       sproc = (SolarisProcess *) proc;
       xSnprintf(filename, MAX_NAME, "%s/%s/psinfo", PROCDIR, name);
       fp = fopen(filename, "r");
       if ( fp == NULL ) continue;
       fread(&_psinfo,sizeof(psinfo_t),1,fp);
       fclose(fp);
       xSnprintf(filename, MAX_NAME, "%s/%s/status", PROCDIR, name);
       fp   = fopen(filename, "r");
       if ( fp != NULL ) {
          fread(&_pstatus,sizeof(pstatus_t),1,fp);
       }
       fclose(fp);
       xSnprintf(filename, MAX_NAME, "%s/%s/usage", PROCDIR, name);
       fp = fopen(filename,"r");
       if ( fp == NULL ) continue;
       fread(&_prusage,sizeof(prusage_t),1,fp);
       fclose(fp);

       if(!preExisting) {
          sproc->kernel         = false;
          proc->pid             = _psinfo.pr_pid;
          proc->ppid            = _psinfo.pr_ppid;
          proc->tgid            = _psinfo.pr_pid;
          sproc->zoneid         = _psinfo.pr_zoneid;
          proc->tty_nr          = _psinfo.pr_ttydev;
          proc->pgrp            = _psinfo.pr_pgid;
          // NOTE: These 'percentages' are 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_cpu     = ((uint16_t)_psinfo.pr_pctcpu/(double)32768)*(double)100.0;
          proc->percent_mem     = ((uint16_t)_psinfo.pr_pctmem/(double)32768)*(double)100.0;
          proc->st_uid          = _psinfo.pr_euid;
          proc->user            = UsersTable_getRef(this->usersTable, proc->st_uid);
          proc->nlwp            = _psinfo.pr_nlwp;
          proc->session         = _pstatus.pr_sid;
          proc->comm            = xStrdup(_psinfo.pr_fname);
          proc->commLen         = strnlen(_psinfo.pr_fname,PRFNSZ);
          sproc->zname          = SolarisProcessList_readZoneName(spl->kd,sproc);
          proc->majflt          = _prusage.pr_majf;
          proc->minflt          = _prusage.pr_minf;
          proc->m_resident      = (_psinfo.pr_rssize)/8;
          proc->m_size          = (_psinfo.pr_size)/8;
          proc->priority        = _psinfo.pr_lwp.pr_pri;
          proc->nice            = _psinfo.pr_lwp.pr_nice;
          proc->processor       = _psinfo.pr_lwp.pr_onpro;
          proc->state           = _psinfo.pr_lwp.pr_sname;
          proc->time            = _psinfo.pr_time.tv_sec;
          sproc->taskid         = _psinfo.pr_taskid;
          sproc->projid         = _psinfo.pr_projid;
          sproc->poolid         = _psinfo.pr_poolid;
          sproc->contid         = _psinfo.pr_contract;
          proc->starttime_ctime = _psinfo.pr_start.tv_sec;
          (void) localtime_r((time_t*) &proc->starttime_ctime, &date);
          strftime(proc->starttime_show, 7, ((proc->starttime_ctime > tv.tv_sec - 86400) ? "%R " : "%b%d "), &date);
          ProcessList_add(this, proc);
       } else {
          proc->ppid            = _psinfo.pr_ppid;
          sproc->zoneid         = _psinfo.pr_zoneid;
          // See note above about these percentages
          proc->percent_cpu     = ((uint16_t)_psinfo.pr_pctcpu/(double)32768)*(double)100.0;
          proc->percent_mem     = ((uint16_t)_psinfo.pr_pctmem/(double)32768)*(double)100.0;
          proc->st_uid          = _psinfo.pr_euid;
          proc->pgrp            = _psinfo.pr_pgid;
          proc->nlwp            = _psinfo.pr_nlwp;
          proc->user            = UsersTable_getRef(this->usersTable, proc->st_uid);
          proc->comm            = xStrdup(_psinfo.pr_fname);
          proc->commLen         = strnlen(_psinfo.pr_fname,PRFNSZ);
          sproc->zname          = SolarisProcessList_readZoneName(spl->kd,sproc);
          proc->majflt          = _prusage.pr_majf;
          proc->minflt          = _prusage.pr_minf;
          proc->m_resident      = (_psinfo.pr_rssize)/8;
          proc->m_size          = (_psinfo.pr_size)/8;
          proc->priority        = _psinfo.pr_lwp.pr_pri;
          proc->nice            = _psinfo.pr_lwp.pr_nice;
          proc->processor       = _psinfo.pr_lwp.pr_onpro;
          proc->state           = _psinfo.pr_lwp.pr_sname;
          proc->time            = _psinfo.pr_time.tv_sec;
          sproc->taskid         = _psinfo.pr_taskid;
          sproc->projid         = _psinfo.pr_projid;
          sproc->poolid         = _psinfo.pr_poolid;
          sproc->contid         = _psinfo.pr_contract;
       }
       proc->show = !(hideKernelThreads && (_pstatus.pr_flags & PR_ISSYS));
       if (_pstatus.pr_flags & PR_ISSYS) {
          if (hideKernelThreads) {
             addRunning = 0;
             addTotal   = 0;
          } else {
             this->kernelThreads += proc->nlwp;
             if (proc->state == 'O') {
                addRunning++;
                addTotal = proc->nlwp+1;
             } else {
                addTotal = proc->nlwp+1;
             }
          }
       } else {
          if (hideUserlandThreads) {
             if(proc->state == 'O') {
                addRunning++;
                addTotal++;
             } else {
                addTotal++;
             }
          } else {
             this->userlandThreads += proc->nlwp;
             if(proc->state == 'O') {
                addRunning++;
                addTotal = proc->nlwp+1;
             } else {
                addTotal = proc->nlwp+1;
             }
          }
       }
       this->runningTasks+=addRunning;
       this->totalTasks+=addTotal;
       proc->updated = true;
    } // while ((entry = readdir(dir)) != NULL)
    closedir(dir);
 }
	/*
	htop - SolarisProcessList.c
	(C) 2014 Hisham H. Muhammad
	(C) 2017,2018 Guy M. Broome
	Released under the GNU GPL, see the COPYING file
	in the source distribution for its full text.
	*/

	#include "ProcessList.h"
	#include "SolarisProcess.h"
	#include "SolarisProcessList.h"

	#include <unistd.h>
	#include <stdlib.h>
	#include <sys/types.h>
	#include <sys/user.h>
	#include <err.h>
	#include <fcntl.h>
	#include <limits.h>
	#include <string.h>
	#include <procfs.h>
	#include <errno.h>
	#include <pwd.h>
	#include <dirent.h>
	#include <math.h>
	#include <time.h>

	#define MAXCMDLINE 255

	/*{

	#include <kstat.h>
	#include <sys/param.h>
	#include <zone.h>
	#include <sys/uio.h>
	#include <sys/resource.h>
	#include <sys/sysconf.h>
	#include <sys/sysinfo.h>
	#include <sys/swap.h>

	#define ZONE_ERRMSGLEN 1024
	char zone_errmsg[ZONE_ERRMSGLEN];

	typedef struct CPUData_ {
	double userPercent;
	double nicePercent;
	double systemPercent;
	double irqPercent;
	double idlePercent;
	double systemAllPercent;
	uint64_t luser;
	uint64_t lkrnl;
	uint64_t lintr;
	uint64_t lidle;
	} CPUData;

	typedef struct SolarisProcessList_ {
	ProcessList super;
	kstat_ctl_t* kd;
	CPUData* cpus;
	} SolarisProcessList;

	}*/

	char* SolarisProcessList_readZoneName(kstat_ctl_t* kd, SolarisProcess* sproc) {
	char* zname;
	if ( sproc->zoneid == 0 ) {
	zname = xStrdup("global ");
	} else if ( kd == NULL ) {
	zname = xStrdup("unknown ");
	} else {
	kstat_t* ks = kstat_lookup( kd, "zones", sproc->zoneid, NULL );
	zname = xStrdup(ks->ks_name);
	}
	return zname;
	}

	ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
	SolarisProcessList* spl = xCalloc(1, sizeof(SolarisProcessList));
	ProcessList* pl = (ProcessList*) spl;
	ProcessList_init(pl, Class(SolarisProcess), usersTable, pidWhiteList, userId);

	spl->kd = kstat_open();

	pl->cpuCount = sysconf(_SC_NPROCESSORS_ONLN);

	if (pl->cpuCount == 1 ) {
	spl->cpus = xRealloc(spl->cpus, sizeof(CPUData));
	} else {
	spl->cpus = xRealloc(spl->cpus, (pl->cpuCount + 1) * sizeof(CPUData));
	}

	return pl;
	}

	static inline void SolarisProcessList_scanCPUTime(ProcessList* pl) {
	const SolarisProcessList* spl = (SolarisProcessList*) pl;
	int cpus = pl->cpuCount;
	kstat_t *cpuinfo = NULL;
	int kchain = 0;
	kstat_named_t *idletime = NULL;
	kstat_named_t *intrtime = NULL;
	kstat_named_t *krnltime = NULL;
	kstat_named_t *usertime = NULL;
	double idlebuf = 0;
	double intrbuf = 0;
	double krnlbuf = 0;
	double userbuf = 0;
	uint64_t totaltime = 0;
	int arrskip = 0;

	assert(cpus > 0);

	if (cpus > 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 (int i = 0; i < cpus; i++) {
	if (spl->kd != NULL) { cpuinfo = kstat_lookup(spl->kd,"cpu",i,"sys"); }
	if (cpuinfo != NULL) { kchain = kstat_read(spl->kd,cpuinfo,NULL); }
	if (kchain != -1 ) {
	idletime = kstat_data_lookup(cpuinfo,"cpu_nsec_idle");
	intrtime = kstat_data_lookup(cpuinfo,"cpu_nsec_intr");
	krnltime = kstat_data_lookup(cpuinfo,"cpu_nsec_kernel");
	usertime = kstat_data_lookup(cpuinfo,"cpu_nsec_user");
	}

	assert( (idletime != NULL) && (intrtime != NULL)
	&& (krnltime != NULL) && (usertime != NULL) );

	CPUData* cpuData = &(spl->cpus[i+arrskip]);
	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;
	// Accumulate the current percentages into buffers for later average calculation
	if (cpus > 1) {
	userbuf += cpuData->userPercent;
	krnlbuf += cpuData->systemPercent;
	intrbuf += cpuData->irqPercent;
	idlebuf += cpuData->idlePercent;
	}
	}

	if (cpus > 1) {
	CPUData* cpuData = &(spl->cpus[0]);
	cpuData->userPercent = userbuf / cpus;
	cpuData->nicePercent = (double)0.0; // Not implemented on Solaris
	cpuData->systemPercent = krnlbuf / cpus;
	cpuData->irqPercent = intrbuf / cpus;
	cpuData->systemAllPercent = cpuData->systemPercent + cpuData->irqPercent;
	cpuData->idlePercent = idlebuf / cpus;
	}
	}

	static inline void SolarisProcessList_scanMemoryInfo(ProcessList* pl) {
	SolarisProcessList* spl = (SolarisProcessList*) pl;
	kstat_t *meminfo = NULL;
	int ksrphyserr = 0;
	kstat_named_t *totalmem_pgs = NULL;
	kstat_named_t *lockedmem_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;
	// PAGE_SIZE is a macro to a function call.
	// Since we use it so much in here, go ahead copy
	// the value locally.
	int pgsiz = PAGE_SIZE;

	// Part 1 - physical memory
	if (spl->kd != NULL) { meminfo = kstat_lookup(spl->kd,"unix",0,"system_pages"); }
	if (meminfo != NULL) { ksrphyserr = kstat_read(spl->kd,meminfo,NULL); }
	if (ksrphyserr != -1) {
	totalmem_pgs = kstat_data_lookup( meminfo, "physmem" );
	lockedmem_pgs = kstat_data_lookup( meminfo, "pageslocked" );
	pages = kstat_data_lookup( meminfo, "pagestotal" );

	pl->totalMem = ((totalmem_pgs->value.ui64)/1024) * pgsiz;
	pl->usedMem = ((lockedmem_pgs->value.ui64)/1024) * pgsiz;
	// 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)/1024) - (pages->value.ui64)/1024) * pgsiz;
	} else {
	// Fall back to basic sysconf if kstat isn't working
	pl->totalMem = sysconf(_SC_PHYS_PAGES) * pgsiz;
	pl->buffersMem = 0;
	pl->cachedMem = 0;
	pl->usedMem = pl->totalMem - (sysconf(_SC_AVPHYS_PAGES) * pgsiz);
	}

	// Part 2 - swap
	nswap = swapctl(SC_GETNSWP, NULL);
	if (nswap > 0) { sl = malloc(nswap * sizeof(swapent_t) + sizeof(int)); }
	if (sl != NULL) { spath = malloc( nswap * MAXPATHLEN ); }
	if (spath != NULL) {
	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(swapdev->ste_path);
	}
	free(sl);
	}
	pl->totalSwap = (totalswap * pgsiz)/1024;
	pl->usedSwap = pl->totalSwap - ((totalfree * pgsiz)/1024);
	}

	void ProcessList_delete(ProcessList* this) {
	const SolarisProcessList* spl = (SolarisProcessList*) this;
	if (spl->kd) kstat_close(spl->kd);
	free(spl->cpus);
	ProcessList_done(this);
	free(this);
	}

	void ProcessList_goThroughEntries(ProcessList* this) {
	SolarisProcessList* spl = (SolarisProcessList*) this;
	Settings* settings = this->settings;
	bool hideKernelThreads = settings->hideKernelThreads;
	bool hideUserlandThreads = settings->hideUserlandThreads;
	DIR* dir = NULL;
	struct dirent* entry = NULL;
	char* name = NULL;
	int pid;
	bool preExisting = false;
	Process* proc = NULL;
	Process* parent = NULL;
	SolarisProcess* sproc = NULL;
	psinfo_t _psinfo;
	pstatus_t _pstatus;
	prusage_t _prusage;
	char filename[MAX_NAME+1];
	FILE *fp = NULL;
	uint64_t addRunning = 0;
	uint64_t addTotal = 0;
	struct timeval tv;
	struct tm date;

	gettimeofday(&tv, NULL);

	// If these fail, then the relevant metrics will simply display as zero
	SolarisProcessList_scanCPUTime(this);
	SolarisProcessList_scanMemoryInfo(this);

	dir = opendir(PROCDIR);
	if (!dir) return; // Is proc mounted?
	while ((entry = readdir(dir)) != NULL) {
	addRunning = 0;
	addTotal = 0;
	name = entry->d_name;
	pid = atoi(name);
	proc = ProcessList_getProcess(this, pid, &preExisting, (Process_New) SolarisProcess_new);
	proc->tgid = parent ? parent->pid : pid;
	sproc = (SolarisProcess *) proc;
	xSnprintf(filename, MAX_NAME, "%s/%s/psinfo", PROCDIR, name);
	fp = fopen(filename, "r");
	if ( fp == NULL ) continue;
	fread(&_psinfo,sizeof(psinfo_t),1,fp);
	fclose(fp);
	xSnprintf(filename, MAX_NAME, "%s/%s/status", PROCDIR, name);
	fp = fopen(filename, "r");
	if ( fp != NULL ) {
	fread(&_pstatus,sizeof(pstatus_t),1,fp);
	}
	fclose(fp);
	xSnprintf(filename, MAX_NAME, "%s/%s/usage", PROCDIR, name);
	fp = fopen(filename,"r");
	if ( fp == NULL ) continue;
	fread(&_prusage,sizeof(prusage_t),1,fp);
	fclose(fp);

	if(!preExisting) {
	sproc->kernel = false;
	proc->pid = _psinfo.pr_pid;
	proc->ppid = _psinfo.pr_ppid;
	proc->tgid = _psinfo.pr_pid;
	sproc->zoneid = _psinfo.pr_zoneid;
	proc->tty_nr = _psinfo.pr_ttydev;
	proc->pgrp = _psinfo.pr_pgid;
	// NOTE: These 'percentages' are 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_cpu = ((uint16_t)_psinfo.pr_pctcpu/(double)32768)*(double)100.0;
	proc->percent_mem = ((uint16_t)_psinfo.pr_pctmem/(double)32768)*(double)100.0;
	proc->st_uid = _psinfo.pr_euid;
	proc->user = UsersTable_getRef(this->usersTable, proc->st_uid);
	proc->nlwp = _psinfo.pr_nlwp;
	proc->session = _pstatus.pr_sid;
	proc->comm = xStrdup(_psinfo.pr_fname);
	proc->commLen = strnlen(_psinfo.pr_fname,PRFNSZ);
	sproc->zname = SolarisProcessList_readZoneName(spl->kd,sproc);
	proc->majflt = _prusage.pr_majf;
	proc->minflt = _prusage.pr_minf;
	proc->m_resident = (_psinfo.pr_rssize)/8;
	proc->m_size = (_psinfo.pr_size)/8;
	proc->priority = _psinfo.pr_lwp.pr_pri;
	proc->nice = _psinfo.pr_lwp.pr_nice;
	proc->processor = _psinfo.pr_lwp.pr_onpro;
	proc->state = _psinfo.pr_lwp.pr_sname;
	proc->time = _psinfo.pr_time.tv_sec;
	sproc->taskid = _psinfo.pr_taskid;
	sproc->projid = _psinfo.pr_projid;
	sproc->poolid = _psinfo.pr_poolid;
	sproc->contid = _psinfo.pr_contract;
	proc->starttime_ctime = _psinfo.pr_start.tv_sec;
	(void) localtime_r((time_t*) &proc->starttime_ctime, &date);
	strftime(proc->starttime_show, 7, ((proc->starttime_ctime > tv.tv_sec - 86400) ? "%R " : "%b%d "), &date);
	ProcessList_add(this, proc);
	} else {
	proc->ppid = _psinfo.pr_ppid;
	sproc->zoneid = _psinfo.pr_zoneid;
	// See note above about these percentages
	proc->percent_cpu = ((uint16_t)_psinfo.pr_pctcpu/(double)32768)*(double)100.0;
	proc->percent_mem = ((uint16_t)_psinfo.pr_pctmem/(double)32768)*(double)100.0;
	proc->st_uid = _psinfo.pr_euid;
	proc->pgrp = _psinfo.pr_pgid;
	proc->nlwp = _psinfo.pr_nlwp;
	proc->user = UsersTable_getRef(this->usersTable, proc->st_uid);
	proc->comm = xStrdup(_psinfo.pr_fname);
	proc->commLen = strnlen(_psinfo.pr_fname,PRFNSZ);
	sproc->zname = SolarisProcessList_readZoneName(spl->kd,sproc);
	proc->majflt = _prusage.pr_majf;
	proc->minflt = _prusage.pr_minf;
	proc->m_resident = (_psinfo.pr_rssize)/8;
	proc->m_size = (_psinfo.pr_size)/8;
	proc->priority = _psinfo.pr_lwp.pr_pri;
	proc->nice = _psinfo.pr_lwp.pr_nice;
	proc->processor = _psinfo.pr_lwp.pr_onpro;
	proc->state = _psinfo.pr_lwp.pr_sname;
	proc->time = _psinfo.pr_time.tv_sec;
	sproc->taskid = _psinfo.pr_taskid;
	sproc->projid = _psinfo.pr_projid;
	sproc->poolid = _psinfo.pr_poolid;
	sproc->contid = _psinfo.pr_contract;
	}
	proc->show = !(hideKernelThreads && (_pstatus.pr_flags & PR_ISSYS));
	if (_pstatus.pr_flags & PR_ISSYS) {
	if (hideKernelThreads) {
	addRunning = 0;
	addTotal = 0;
	} else {
	this->kernelThreads += proc->nlwp;
	if (proc->state == 'O') {
	addRunning++;
	addTotal = proc->nlwp+1;
	} else {
	addTotal = proc->nlwp+1;
	}
	}
	} else {
	if (hideUserlandThreads) {
	if(proc->state == 'O') {
	addRunning++;
	addTotal++;
	} else {
	addTotal++;
	}
	} else {
	this->userlandThreads += proc->nlwp;
	if(proc->state == 'O') {
	addRunning++;
	addTotal = proc->nlwp+1;
	} else {
	addTotal = proc->nlwp+1;
	}
	}
	}
	this->runningTasks+=addRunning;
	this->totalTasks+=addTotal;
	proc->updated = true;
	} // while ((entry = readdir(dir)) != NULL)
	closedir(dir);
	}