machine.c revision 164058
124143Sjoerg/* 224143Sjoerg * top - a top users display for Unix 324143Sjoerg * 447901Sn_hibma * SYNOPSIS: For FreeBSD-2.x and later 524143Sjoerg * 624143Sjoerg * DESCRIPTION: 724143Sjoerg * Originally written for BSD4.4 system by Christos Zoulas. 824143Sjoerg * Ported to FreeBSD 2.x by Steven Wallace && Wolfram Schneider 938278Swosch * Order support hacked in from top-3.5beta6/machine/m_aix41.c 1038278Swosch * by Monte Mitzelfelt (for latest top see http://www.groupsys.com/topinfo/) 1124143Sjoerg * 1224143Sjoerg * This is the machine-dependent module for FreeBSD 2.2 1324143Sjoerg * Works for: 1447901Sn_hibma * FreeBSD 2.2.x, 3.x, 4.x, and probably FreeBSD 2.1.x 1524143Sjoerg * 1624143Sjoerg * LIBS: -lkvm 1724143Sjoerg * 1824143Sjoerg * AUTHOR: Christos Zoulas <christos@ee.cornell.edu> 1924143Sjoerg * Steven Wallace <swallace@freebsd.org> 2024143Sjoerg * Wolfram Schneider <wosch@FreeBSD.org> 2172951Srwatson * Thomas Moestl <tmoestl@gmx.net> 2224143Sjoerg * 2350477Speter * $FreeBSD: head/usr.bin/top/machine.c 164058 2006-11-07 10:03:10Z bde $ 2424143Sjoerg */ 2524143Sjoerg 2624143Sjoerg#include <sys/param.h> 2724143Sjoerg#include <sys/errno.h> 28131621Sdes#include <sys/file.h> 29131621Sdes#include <sys/proc.h> 30131621Sdes#include <sys/resource.h> 31131621Sdes#include <sys/rtprio.h> 32131621Sdes#include <sys/signal.h> 3324143Sjoerg#include <sys/sysctl.h> 3424143Sjoerg#include <sys/time.h> 3524143Sjoerg#include <sys/user.h> 3624143Sjoerg#include <sys/vmmeter.h> 3724143Sjoerg 38131621Sdes#include <kvm.h> 39131621Sdes#include <math.h> 40131621Sdes#include <nlist.h> 41131626Sdes#include <paths.h> 42131621Sdes#include <pwd.h> 43131621Sdes#include <stdio.h> 4424143Sjoerg#include <stdlib.h> 45144636Sstefanf#include <string.h> 46144636Sstefanf#include <strings.h> 4772951Srwatson#include <unistd.h> 4824143Sjoerg 4924143Sjoerg#include "top.h" 5024143Sjoerg#include "machine.h" 5169375Sjhb#include "screen.h" 5272951Srwatson#include "utils.h" 5324143Sjoerg 5472951Srwatson#define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var)) 55146291Sobrien#define SMPUNAMELEN 13 56146291Sobrien#define UPUNAMELEN 15 5772951Srwatson 58145073Skeramidaextern struct process_select ps; 5992922Simpextern char* printable(char *); 6027340Speterstatic int smpmode; 61131402Salfredenum displaymodes displaymode; 62146291Sobrienstatic int namelength = 8; 6369375Sjhbstatic int cmdlengthdelta; 6424143Sjoerg 6572951Srwatson/* Prototypes for top internals */ 6692922Simpvoid quit(int); 6724143Sjoerg 6824143Sjoerg/* get_process_info passes back a handle. This is what it looks like: */ 6924143Sjoerg 70158280Sbdestruct handle { 71131623Sdes struct kinfo_proc **next_proc; /* points to next valid proc pointer */ 72131623Sdes int remaining; /* number of pointers remaining */ 7324143Sjoerg}; 7424143Sjoerg 7524143Sjoerg/* declarations for load_avg */ 7624143Sjoerg#include "loadavg.h" 7724143Sjoerg 7824143Sjoerg/* define what weighted cpu is. */ 7969896Smckusick#define weighted_cpu(pct, pp) ((pp)->ki_swtime == 0 ? 0.0 : \ 8069896Smckusick ((pct) / (1.0 - exp((pp)->ki_swtime * logcpu)))) 8124143Sjoerg 8224143Sjoerg/* what we consider to be process size: */ 8369896Smckusick#define PROCSIZE(pp) ((pp)->ki_size / 1024) 8424143Sjoerg 85131402Salfred#define RU(pp) (&(pp)->ki_rusage) 86131402Salfred#define RUTOT(pp) \ 87131402Salfred (RU(pp)->ru_inblock + RU(pp)->ru_oublock + RU(pp)->ru_majflt) 88131402Salfred 89131402Salfred 9024143Sjoerg/* definitions for indices in the nlist array */ 9124143Sjoerg 9224143Sjoerg/* 9324143Sjoerg * These definitions control the format of the per-process area 9424143Sjoerg */ 9524143Sjoerg 96131402Salfredstatic char io_header[] = 97158280Sbde " PID %-*.*s VCSW IVCSW READ WRITE FAULT TOTAL PERCENT COMMAND"; 98131402Salfred 99131402Salfred#define io_Proc_format \ 100158280Sbde "%5d %-*.*s %6ld %6ld %6ld %6ld %6ld %6ld %6.2f%% %.*s" 101131402Salfred 102145073Skeramidastatic char smp_header_thr[] = 103158280Sbde " PID %-*.*s THR PRI NICE SIZE RES STATE C TIME %6s COMMAND"; 10427340Speterstatic char smp_header[] = 105158280Sbde " PID %-*.*s " "PRI NICE SIZE RES STATE C TIME %6s COMMAND"; 10624143Sjoerg 10727340Speter#define smp_Proc_format \ 108158282Sbde "%5d %-*.*s %s%3d %4s%7s %6s %-6.6s %1x%7s %5.2f%% %.*s" 10924143Sjoerg 110145073Skeramidastatic char up_header_thr[] = 111158280Sbde " PID %-*.*s THR PRI NICE SIZE RES STATE TIME %6s COMMAND"; 11227340Speterstatic char up_header[] = 113158280Sbde " PID %-*.*s " "PRI NICE SIZE RES STATE TIME %6s COMMAND"; 11424143Sjoerg 11527340Speter#define up_Proc_format \ 116158282Sbde "%5d %-*.*s %s%3d %4s%7s %6s %-6.6s%.0d%7s %5.2f%% %.*s" 11724143Sjoerg 11824143Sjoerg 11924143Sjoerg/* process state names for the "STATE" column of the display */ 12024143Sjoerg/* the extra nulls in the string "run" are for adding a slash and 12124143Sjoerg the processor number when needed */ 12224143Sjoerg 123158280Sbdechar *state_abbrev[] = { 124131623Sdes "", "START", "RUN\0\0\0", "SLEEP", "STOP", "ZOMB", "WAIT", "LOCK" 12524143Sjoerg}; 12624143Sjoerg 12724143Sjoerg 12824143Sjoergstatic kvm_t *kd; 12924143Sjoerg 13024143Sjoerg/* values that we stash away in _init and use in later routines */ 13124143Sjoerg 13224143Sjoergstatic double logcpu; 13324143Sjoerg 13424143Sjoerg/* these are retrieved from the kernel in _init */ 13524143Sjoerg 13624143Sjoergstatic load_avg ccpu; 13724143Sjoerg 13872951Srwatson/* these are used in the get_ functions */ 13924143Sjoerg 14072951Srwatsonstatic int lastpid; 14124143Sjoerg 14224143Sjoerg/* these are for calculating cpu state percentages */ 14324143Sjoerg 14424143Sjoergstatic long cp_time[CPUSTATES]; 14524143Sjoergstatic long cp_old[CPUSTATES]; 14624143Sjoergstatic long cp_diff[CPUSTATES]; 14724143Sjoerg 14824143Sjoerg/* these are for detailing the process states */ 14924143Sjoerg 15065557Sjasoneint process_states[8]; 15124143Sjoergchar *procstatenames[] = { 152131623Sdes "", " starting, ", " running, ", " sleeping, ", " stopped, ", 153131623Sdes " zombie, ", " waiting, ", " lock, ", 154131623Sdes NULL 15524143Sjoerg}; 15624143Sjoerg 15724143Sjoerg/* these are for detailing the cpu states */ 15824143Sjoerg 15924143Sjoergint cpu_states[CPUSTATES]; 16024143Sjoergchar *cpustatenames[] = { 161131623Sdes "user", "nice", "system", "interrupt", "idle", NULL 16224143Sjoerg}; 16324143Sjoerg 16424143Sjoerg/* these are for detailing the memory statistics */ 16524143Sjoerg 16624143Sjoergint memory_stats[7]; 16724143Sjoergchar *memorynames[] = { 168158280Sbde "K Active, ", "K Inact, ", "K Wired, ", "K Cache, ", "K Buf, ", 169158280Sbde "K Free", NULL 17024143Sjoerg}; 17124143Sjoerg 17224143Sjoergint swap_stats[7]; 17324143Sjoergchar *swapnames[] = { 174131623Sdes "K Total, ", "K Used, ", "K Free, ", "% Inuse, ", "K In, ", "K Out", 175131623Sdes NULL 17624143Sjoerg}; 17724143Sjoerg 17824143Sjoerg 17924143Sjoerg/* these are for keeping track of the proc array */ 18024143Sjoerg 18124143Sjoergstatic int nproc; 18224143Sjoergstatic int onproc = -1; 18324143Sjoergstatic int pref_len; 18424143Sjoergstatic struct kinfo_proc *pbase; 18524143Sjoergstatic struct kinfo_proc **pref; 186131402Salfredstatic struct kinfo_proc *previous_procs; 187131402Salfredstatic struct kinfo_proc **previous_pref; 188131402Salfredstatic int previous_proc_count = 0; 189131402Salfredstatic int previous_proc_count_max = 0; 19024143Sjoerg 191131412Salfred/* total number of io operations */ 192131412Salfredstatic long total_inblock; 193131412Salfredstatic long total_oublock; 194131412Salfredstatic long total_majflt; 195131412Salfred 19624143Sjoerg/* these are for getting the memory statistics */ 19724143Sjoerg 19824143Sjoergstatic int pageshift; /* log base 2 of the pagesize */ 19924143Sjoerg 20024143Sjoerg/* define pagetok in terms of pageshift */ 20124143Sjoerg 20224143Sjoerg#define pagetok(size) ((size) << pageshift) 20324143Sjoerg 20424143Sjoerg/* useful externals */ 20524143Sjoerglong percentages(); 20624143Sjoerg 20738278Swosch#ifdef ORDER 208131829Skeramida/* 209145073Skeramida * Sorting orders. The first element is the default. 210131829Skeramida */ 211133817Salfredchar *ordernames[] = { 212145073Skeramida "cpu", "size", "res", "time", "pri", "threads", 213133817Salfred "total", "read", "write", "fault", "vcsw", "ivcsw", NULL 21438278Swosch}; 21538278Swosch#endif 21638278Swosch 217158282Sbdestatic int compare_pid(const void *a, const void *b); 218158282Sbdestatic const char *format_nice(const struct kinfo_proc *pp); 219158282Sbdestatic void getsysctl(const char *name, void *ptr, size_t len); 220158282Sbdestatic int swapmode(int *retavail, int *retfree); 221158282Sbde 22224143Sjoergint 223131622Sdesmachine_init(struct statics *statics) 22424143Sjoerg{ 225131623Sdes int pagesize; 226131623Sdes size_t modelen; 227131623Sdes struct passwd *pw; 22824143Sjoerg 229131623Sdes modelen = sizeof(smpmode); 230158280Sbde if ((sysctlbyname("machdep.smp_active", &smpmode, &modelen, 231158280Sbde NULL, 0) != 0 && 232158280Sbde sysctlbyname("kern.smp.active", &smpmode, &modelen, 233158280Sbde NULL, 0) != 0) || 234131623Sdes modelen != sizeof(smpmode)) 235131623Sdes smpmode = 0; 23627340Speter 237131623Sdes while ((pw = getpwent()) != NULL) { 238131623Sdes if (strlen(pw->pw_name) > namelength) 239131623Sdes namelength = strlen(pw->pw_name); 240131623Sdes } 241146291Sobrien if (smpmode && namelength > SMPUNAMELEN) 242146291Sobrien namelength = SMPUNAMELEN; 243146291Sobrien else if (namelength > UPUNAMELEN) 244146291Sobrien namelength = UPUNAMELEN; 24527390Speter 246131626Sdes kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open"); 247131626Sdes if (kd == NULL) 248131626Sdes return (-1); 24924143Sjoerg 250131623Sdes GETSYSCTL("kern.ccpu", ccpu); 25124143Sjoerg 252131623Sdes /* this is used in calculating WCPU -- calculate it ahead of time */ 253131623Sdes logcpu = log(loaddouble(ccpu)); 25424143Sjoerg 255131623Sdes pbase = NULL; 256131623Sdes pref = NULL; 257131623Sdes nproc = 0; 258131623Sdes onproc = -1; 259158280Sbde 260158280Sbde /* get the page size and calculate pageshift from it */ 261131623Sdes pagesize = getpagesize(); 262131623Sdes pageshift = 0; 263131626Sdes while (pagesize > 1) { 264131623Sdes pageshift++; 265131623Sdes pagesize >>= 1; 266131623Sdes } 26724143Sjoerg 268131623Sdes /* we only need the amount of log(2)1024 for our conversion */ 269131623Sdes pageshift -= LOG1024; 27024143Sjoerg 271131623Sdes /* fill in the statics information */ 272131623Sdes statics->procstate_names = procstatenames; 273131623Sdes statics->cpustate_names = cpustatenames; 274131623Sdes statics->memory_names = memorynames; 275131623Sdes statics->swap_names = swapnames; 27638278Swosch#ifdef ORDER 277133817Salfred statics->order_names = ordernames; 27838278Swosch#endif 27924143Sjoerg 280131623Sdes /* all done! */ 281131623Sdes return (0); 28224143Sjoerg} 28324143Sjoerg 284131310Salfredchar * 285131622Sdesformat_header(char *uname_field) 28624143Sjoerg{ 287131623Sdes static char Header[128]; 288131623Sdes const char *prehead; 28924143Sjoerg 290131623Sdes switch (displaymode) { 291131623Sdes case DISP_CPU: 292145073Skeramida /* 293145073Skeramida * The logic of picking the right header format seems reverse 294145073Skeramida * here because we only want to display a THR column when 295145073Skeramida * "thread mode" is off (and threads are not listed as 296145073Skeramida * separate lines). 297145073Skeramida */ 298145073Skeramida prehead = smpmode ? 299145073Skeramida (ps.thread ? smp_header : smp_header_thr) : 300145073Skeramida (ps.thread ? up_header : up_header_thr); 301146342Skeramida snprintf(Header, sizeof(Header), prehead, 302146342Skeramida namelength, namelength, uname_field, 303146342Skeramida ps.wcpu ? "WCPU" : "CPU"); 304131623Sdes break; 305131623Sdes case DISP_IO: 306131623Sdes prehead = io_header; 307146342Skeramida snprintf(Header, sizeof(Header), prehead, 308146342Skeramida namelength, namelength, uname_field); 309131623Sdes break; 310131623Sdes } 311131623Sdes cmdlengthdelta = strlen(Header) - 7; 312131623Sdes return (Header); 31324143Sjoerg} 31424143Sjoerg 31524143Sjoergstatic int swappgsin = -1; 31624143Sjoergstatic int swappgsout = -1; 31724143Sjoergextern struct timeval timeout; 31824143Sjoerg 31924143Sjoergvoid 320131622Sdesget_system_info(struct system_info *si) 32124143Sjoerg{ 322131623Sdes long total; 323131623Sdes struct loadavg sysload; 324131623Sdes int mib[2]; 325131623Sdes struct timeval boottime; 326131623Sdes size_t bt_size; 327131626Sdes int i; 32824143Sjoerg 329131623Sdes /* get the cp_time array */ 330131623Sdes GETSYSCTL("kern.cp_time", cp_time); 331131623Sdes GETSYSCTL("vm.loadavg", sysload); 332131623Sdes GETSYSCTL("kern.lastpid", lastpid); 33324143Sjoerg 334131623Sdes /* convert load averages to doubles */ 335131626Sdes for (i = 0; i < 3; i++) 336131626Sdes si->load_avg[i] = (double)sysload.ldavg[i] / sysload.fscale; 33724143Sjoerg 338131623Sdes /* convert cp_time counts to percentages */ 339131623Sdes total = percentages(CPUSTATES, cpu_states, cp_time, cp_old, cp_diff); 34024143Sjoerg 341131623Sdes /* sum memory & swap statistics */ 342131623Sdes { 343131623Sdes static unsigned int swap_delay = 0; 344131623Sdes static int swapavail = 0; 345131623Sdes static int swapfree = 0; 346131623Sdes static int bufspace = 0; 347131623Sdes static int nspgsin, nspgsout; 34824143Sjoerg 349131623Sdes GETSYSCTL("vfs.bufspace", bufspace); 350131623Sdes GETSYSCTL("vm.stats.vm.v_active_count", memory_stats[0]); 351131623Sdes GETSYSCTL("vm.stats.vm.v_inactive_count", memory_stats[1]); 352131623Sdes GETSYSCTL("vm.stats.vm.v_wire_count", memory_stats[2]); 353131623Sdes GETSYSCTL("vm.stats.vm.v_cache_count", memory_stats[3]); 354131623Sdes GETSYSCTL("vm.stats.vm.v_free_count", memory_stats[5]); 355131623Sdes GETSYSCTL("vm.stats.vm.v_swappgsin", nspgsin); 356131623Sdes GETSYSCTL("vm.stats.vm.v_swappgsout", nspgsout); 357131623Sdes /* convert memory stats to Kbytes */ 358131623Sdes memory_stats[0] = pagetok(memory_stats[0]); 359131623Sdes memory_stats[1] = pagetok(memory_stats[1]); 360131623Sdes memory_stats[2] = pagetok(memory_stats[2]); 361131623Sdes memory_stats[3] = pagetok(memory_stats[3]); 362131623Sdes memory_stats[4] = bufspace / 1024; 363131623Sdes memory_stats[5] = pagetok(memory_stats[5]); 364131623Sdes memory_stats[6] = -1; 36524143Sjoerg 366131623Sdes /* first interval */ 367131623Sdes if (swappgsin < 0) { 368131623Sdes swap_stats[4] = 0; 369131623Sdes swap_stats[5] = 0; 370131623Sdes } 37124143Sjoerg 372131623Sdes /* compute differences between old and new swap statistic */ 373131623Sdes else { 374131623Sdes swap_stats[4] = pagetok(((nspgsin - swappgsin))); 375131623Sdes swap_stats[5] = pagetok(((nspgsout - swappgsout))); 376131623Sdes } 37724143Sjoerg 378131623Sdes swappgsin = nspgsin; 379131623Sdes swappgsout = nspgsout; 38024143Sjoerg 381131623Sdes /* call CPU heavy swapmode() only for changes */ 382131623Sdes if (swap_stats[4] > 0 || swap_stats[5] > 0 || swap_delay == 0) { 383131623Sdes swap_stats[3] = swapmode(&swapavail, &swapfree); 384131623Sdes swap_stats[0] = swapavail; 385131623Sdes swap_stats[1] = swapavail - swapfree; 386131623Sdes swap_stats[2] = swapfree; 387131623Sdes } 388131623Sdes swap_delay = 1; 389131623Sdes swap_stats[6] = -1; 39024143Sjoerg } 39124143Sjoerg 392131623Sdes /* set arrays and strings */ 393131623Sdes si->cpustates = cpu_states; 394131623Sdes si->memory = memory_stats; 395131623Sdes si->swap = swap_stats; 39624143Sjoerg 39724143Sjoerg 398131623Sdes if (lastpid > 0) { 399131623Sdes si->last_pid = lastpid; 400131623Sdes } else { 401131623Sdes si->last_pid = -1; 402131623Sdes } 40342447Sobrien 404131623Sdes /* 405131623Sdes * Print how long system has been up. 406131623Sdes * (Found by looking getting "boottime" from the kernel) 407131623Sdes */ 408131623Sdes mib[0] = CTL_KERN; 409131623Sdes mib[1] = KERN_BOOTTIME; 410131623Sdes bt_size = sizeof(boottime); 411131623Sdes if (sysctl(mib, 2, &boottime, &bt_size, NULL, 0) != -1 && 412131623Sdes boottime.tv_sec != 0) { 413131623Sdes si->boottime = boottime; 414131623Sdes } else { 415131623Sdes si->boottime.tv_sec = -1; 416131623Sdes } 41724143Sjoerg} 41824143Sjoerg 419132015Salfred#define NOPROC ((void *)-1) 420132015Salfred 421132955Salfred/* 422132955Salfred * We need to compare data from the old process entry with the new 423132955Salfred * process entry. 424132955Salfred * To facilitate doing this quickly we stash a pointer in the kinfo_proc 425132955Salfred * structure to cache the mapping. We also use a negative cache pointer 426132955Salfred * of NOPROC to avoid duplicate lookups. 427132955Salfred * XXX: this could be done when the actual processes are fetched, we do 428132955Salfred * it here out of laziness. 429132955Salfred */ 430131402Salfredconst struct kinfo_proc * 431131402Salfredget_old_proc(struct kinfo_proc *pp) 432131402Salfred{ 433131402Salfred struct kinfo_proc **oldpp, *oldp; 434131402Salfred 435132955Salfred /* 436132955Salfred * If this is the first fetch of the kinfo_procs then we don't have 437132955Salfred * any previous entries. 438132955Salfred */ 439131402Salfred if (previous_proc_count == 0) 440131402Salfred return (NULL); 441132955Salfred /* negative cache? */ 442132015Salfred if (pp->ki_udata == NOPROC) 443132015Salfred return (NULL); 444132955Salfred /* cached? */ 445132015Salfred if (pp->ki_udata != NULL) 446132015Salfred return (pp->ki_udata); 447132955Salfred /* 448132955Salfred * Not cached, 449132955Salfred * 1) look up based on pid. 450132955Salfred * 2) compare process start. 451132955Salfred * If we fail here, then setup a negative cache entry, otherwise 452132955Salfred * cache it. 453132955Salfred */ 454131402Salfred oldpp = bsearch(&pp, previous_pref, previous_proc_count, 455131626Sdes sizeof(*previous_pref), compare_pid); 456132015Salfred if (oldpp == NULL) { 457132015Salfred pp->ki_udata = NOPROC; 458131402Salfred return (NULL); 459132015Salfred } 460131402Salfred oldp = *oldpp; 461132015Salfred if (bcmp(&oldp->ki_start, &pp->ki_start, sizeof(pp->ki_start)) != 0) { 462132015Salfred pp->ki_udata = NOPROC; 463131402Salfred return (NULL); 464132015Salfred } 465132015Salfred pp->ki_udata = oldp; 466131402Salfred return (oldp); 467131402Salfred} 468131402Salfred 469132955Salfred/* 470132955Salfred * Return the total amount of IO done in blocks in/out and faults. 471132955Salfred * store the values individually in the pointers passed in. 472132955Salfred */ 473131402Salfredlong 474158280Sbdeget_io_stats(struct kinfo_proc *pp, long *inp, long *oup, long *flp, 475158280Sbde long *vcsw, long *ivcsw) 476131402Salfred{ 477131402Salfred const struct kinfo_proc *oldp; 478131402Salfred static struct kinfo_proc dummy; 479131402Salfred long ret; 480131402Salfred 481131402Salfred oldp = get_old_proc(pp); 482131402Salfred if (oldp == NULL) { 483131402Salfred bzero(&dummy, sizeof(dummy)); 484131402Salfred oldp = &dummy; 485131402Salfred } 486131412Salfred *inp = RU(pp)->ru_inblock - RU(oldp)->ru_inblock; 487131412Salfred *oup = RU(pp)->ru_oublock - RU(oldp)->ru_oublock; 488131412Salfred *flp = RU(pp)->ru_majflt - RU(oldp)->ru_majflt; 489133817Salfred *vcsw = RU(pp)->ru_nvcsw - RU(oldp)->ru_nvcsw; 490133817Salfred *ivcsw = RU(pp)->ru_nivcsw - RU(oldp)->ru_nivcsw; 491131402Salfred ret = 492131402Salfred (RU(pp)->ru_inblock - RU(oldp)->ru_inblock) + 493131402Salfred (RU(pp)->ru_oublock - RU(oldp)->ru_oublock) + 494131402Salfred (RU(pp)->ru_majflt - RU(oldp)->ru_majflt); 495131402Salfred return (ret); 496131402Salfred} 497131402Salfred 498132955Salfred/* 499132955Salfred * Return the total number of block in/out and faults by a process. 500132955Salfred */ 501131412Salfredlong 502131412Salfredget_io_total(struct kinfo_proc *pp) 503131412Salfred{ 504131412Salfred long dummy; 505131412Salfred 506133817Salfred return (get_io_stats(pp, &dummy, &dummy, &dummy, &dummy, &dummy)); 507131412Salfred} 508131412Salfred 50924143Sjoergstatic struct handle handle; 51024143Sjoerg 511131310Salfredcaddr_t 512131622Sdesget_process_info(struct system_info *si, struct process_select *sel, 513131626Sdes int (*compare)(const void *, const void *)) 51424143Sjoerg{ 515131623Sdes int i; 516131623Sdes int total_procs; 517131623Sdes long p_io; 518133817Salfred long p_inblock, p_oublock, p_majflt, p_vcsw, p_ivcsw; 519131623Sdes int active_procs; 520131623Sdes struct kinfo_proc **prefp; 521131623Sdes struct kinfo_proc *pp; 522131623Sdes struct kinfo_proc *prev_pp = NULL; 52324143Sjoerg 524131623Sdes /* these are copied out of sel for speed */ 525131623Sdes int show_idle; 526131623Sdes int show_self; 527131623Sdes int show_system; 528131623Sdes int show_uid; 529131623Sdes int show_command; 53024143Sjoerg 531131623Sdes /* 532131623Sdes * Save the previous process info. 533131623Sdes */ 534131623Sdes if (previous_proc_count_max < nproc) { 535131623Sdes free(previous_procs); 536131626Sdes previous_procs = malloc(nproc * sizeof(*previous_procs)); 537131623Sdes free(previous_pref); 538131626Sdes previous_pref = malloc(nproc * sizeof(*previous_pref)); 539131623Sdes if (previous_procs == NULL || previous_pref == NULL) { 540131623Sdes (void) fprintf(stderr, "top: Out of memory.\n"); 541131623Sdes quit(23); 542131623Sdes } 543131623Sdes previous_proc_count_max = nproc; 544131623Sdes } 545131623Sdes if (nproc) { 546131623Sdes for (i = 0; i < nproc; i++) 547131623Sdes previous_pref[i] = &previous_procs[i]; 548131626Sdes bcopy(pbase, previous_procs, nproc * sizeof(*previous_procs)); 549158280Sbde qsort(previous_pref, nproc, sizeof(*previous_pref), 550158280Sbde compare_pid); 551131623Sdes } 552131623Sdes previous_proc_count = nproc; 553131402Salfred 554131623Sdes pbase = kvm_getprocs(kd, KERN_PROC_ALL, 0, &nproc); 555131623Sdes if (nproc > onproc) 556131626Sdes pref = realloc(pref, sizeof(*pref) * (onproc = nproc)); 557131623Sdes if (pref == NULL || pbase == NULL) { 558131623Sdes (void) fprintf(stderr, "top: Out of memory.\n"); 559131623Sdes quit(23); 560131623Sdes } 561131623Sdes /* get a pointer to the states summary array */ 562131623Sdes si->procstates = process_states; 56324143Sjoerg 564131623Sdes /* set up flags which define what we are going to select */ 565131623Sdes show_idle = sel->idle; 566132024Sdes show_self = sel->self == -1; 567131623Sdes show_system = sel->system; 568131623Sdes show_uid = sel->uid != -1; 569131623Sdes show_command = sel->command != NULL; 57024143Sjoerg 571131623Sdes /* count up process states and get pointers to interesting procs */ 572131623Sdes total_procs = 0; 573131623Sdes active_procs = 0; 574131623Sdes total_inblock = 0; 575131623Sdes total_oublock = 0; 576131623Sdes total_majflt = 0; 577131623Sdes memset((char *)process_states, 0, sizeof(process_states)); 578131623Sdes prefp = pref; 579131626Sdes for (pp = pbase, i = 0; i < nproc; pp++, i++) { 580131619Sdes 581131623Sdes if (pp->ki_stat == 0) 582132024Sdes /* not in use */ 583132024Sdes continue; 584131619Sdes 585131623Sdes if (!show_self && pp->ki_pid == sel->self) 586131623Sdes /* skip self */ 587131623Sdes continue; 588131619Sdes 589131623Sdes if (!show_system && (pp->ki_flag & P_SYSTEM)) 590131623Sdes /* skip system process */ 591131623Sdes continue; 592131619Sdes 593158280Sbde p_io = get_io_stats(pp, &p_inblock, &p_oublock, &p_majflt, 594158280Sbde &p_vcsw, &p_ivcsw); 595131623Sdes total_inblock += p_inblock; 596131623Sdes total_oublock += p_oublock; 597131623Sdes total_majflt += p_majflt; 598131623Sdes total_procs++; 599131626Sdes process_states[pp->ki_stat]++; 600131619Sdes 601131623Sdes if (pp->ki_stat == SZOMB) 602131623Sdes /* skip zombies */ 603131623Sdes continue; 604131619Sdes 605131623Sdes if (displaymode == DISP_CPU && !show_idle && 606159520Sse (pp->ki_pctcpu == 0 || 607159520Sse pp->ki_stat == SSTOP || pp->ki_stat == SIDL)) 608131623Sdes /* skip idle or non-running processes */ 609131623Sdes continue; 610131619Sdes 611131623Sdes if (displaymode == DISP_IO && !show_idle && p_io == 0) 612131623Sdes /* skip processes that aren't doing I/O */ 613131623Sdes continue; 614131619Sdes 615131623Sdes if (show_uid && pp->ki_ruid != (uid_t)sel->uid) 616158280Sbde /* skip proc. that don't belong to the selected UID */ 617131623Sdes continue; 618131619Sdes 619131623Sdes /* 620131623Sdes * When not showing threads, take the first thread 621131623Sdes * for output and add the fields that we can from 622131623Sdes * the rest of the process's threads rather than 623131623Sdes * using the system's mostly-broken KERN_PROC_PROC. 624131623Sdes */ 625131626Sdes if (sel->thread || prev_pp == NULL || 626131626Sdes prev_pp->ki_pid != pp->ki_pid) { 627131623Sdes *prefp++ = pp; 628131623Sdes active_procs++; 629131623Sdes prev_pp = pp; 630131623Sdes } else { 631131623Sdes prev_pp->ki_pctcpu += pp->ki_pctcpu; 632131623Sdes } 633131623Sdes } 634131623Sdes 635131623Sdes /* if requested, sort the "interesting" processes */ 636131623Sdes if (compare != NULL) 637131626Sdes qsort(pref, active_procs, sizeof(*pref), compare); 63824143Sjoerg 639131623Sdes /* remember active and total counts */ 640131623Sdes si->p_total = total_procs; 641131623Sdes si->p_active = pref_len = active_procs; 64224143Sjoerg 643131623Sdes /* pass back a handle */ 644131623Sdes handle.next_proc = pref; 645131623Sdes handle.remaining = active_procs; 646131623Sdes return ((caddr_t)&handle); 64724143Sjoerg} 64824143Sjoerg 649131626Sdesstatic char fmt[128]; /* static area where result is built */ 65024143Sjoerg 651131310Salfredchar * 652131626Sdesformat_next_process(caddr_t handle, char *(*get_userid)(int)) 65324143Sjoerg{ 654131623Sdes struct kinfo_proc *pp; 655131623Sdes const struct kinfo_proc *oldp; 656131623Sdes long cputime; 657131623Sdes double pct; 658131623Sdes struct handle *hp; 659131623Sdes char status[16]; 660131623Sdes int state; 661131623Sdes struct rusage ru, *rup; 662131623Sdes long p_tot, s_tot; 663145155Skeramida char *proc_fmt, thr_buf[6]; 66424143Sjoerg 665131623Sdes /* find and remember the next proc structure */ 666131623Sdes hp = (struct handle *)handle; 667131623Sdes pp = *(hp->next_proc++); 668131623Sdes hp->remaining--; 669131620Sdes 670131623Sdes /* get the process's command name */ 671131623Sdes if ((pp->ki_sflag & PS_INMEM) == 0) { 672131623Sdes /* 673131623Sdes * Print swapped processes as <pname> 674131623Sdes */ 675158280Sbde size_t len; 676158280Sbde 677158280Sbde len = strlen(pp->ki_comm); 678131626Sdes if (len > sizeof(pp->ki_comm) - 3) 679131626Sdes len = sizeof(pp->ki_comm) - 3; 680131626Sdes memmove(pp->ki_comm + 1, pp->ki_comm, len); 681131626Sdes pp->ki_comm[0] = '<'; 682131626Sdes pp->ki_comm[len + 1] = '>'; 683131626Sdes pp->ki_comm[len + 2] = '\0'; 684131623Sdes } 685131623Sdes 68624143Sjoerg /* 687131623Sdes * Convert the process's runtime from microseconds to seconds. This 688131623Sdes * time includes the interrupt time although that is not wanted here. 689131623Sdes * ps(1) is similarly sloppy. 69024143Sjoerg */ 691131623Sdes cputime = (pp->ki_runtime + 500000) / 1000000; 69224143Sjoerg 693131623Sdes /* calculate the base for cpu percentages */ 694131623Sdes pct = pctdouble(pp->ki_pctcpu); 69524143Sjoerg 696131623Sdes /* generate "STATE" field */ 697131623Sdes switch (state = pp->ki_stat) { 69824143Sjoerg case SRUN: 699131623Sdes if (smpmode && pp->ki_oncpu != 0xff) 700131623Sdes sprintf(status, "CPU%d", pp->ki_oncpu); 701131623Sdes else 702131623Sdes strcpy(status, "RUN"); 703131623Sdes break; 704104388Sjhb case SLOCK: 705131623Sdes if (pp->ki_kiflag & KI_LOCKBLOCK) { 706131623Sdes sprintf(status, "*%.6s", pp->ki_lockname); 707131623Sdes break; 708131623Sdes } 709131623Sdes /* fall through */ 71024143Sjoerg case SSLEEP: 711131623Sdes if (pp->ki_wmesg != NULL) { 712131623Sdes sprintf(status, "%.6s", pp->ki_wmesg); 713131623Sdes break; 714131623Sdes } 715131623Sdes /* FALLTHROUGH */ 71624143Sjoerg default: 71743720Sfenner 718131623Sdes if (state >= 0 && 719131623Sdes state < sizeof(state_abbrev) / sizeof(*state_abbrev)) 720131626Sdes sprintf(status, "%.6s", state_abbrev[state]); 721131623Sdes else 722131623Sdes sprintf(status, "?%5d", state); 723131623Sdes break; 724131623Sdes } 72524143Sjoerg 726131623Sdes if (displaymode == DISP_IO) { 727131623Sdes oldp = get_old_proc(pp); 728131623Sdes if (oldp != NULL) { 729158280Sbde ru.ru_inblock = RU(pp)->ru_inblock - 730158280Sbde RU(oldp)->ru_inblock; 731158280Sbde ru.ru_oublock = RU(pp)->ru_oublock - 732158280Sbde RU(oldp)->ru_oublock; 733131623Sdes ru.ru_majflt = RU(pp)->ru_majflt - RU(oldp)->ru_majflt; 734133817Salfred ru.ru_nvcsw = RU(pp)->ru_nvcsw - RU(oldp)->ru_nvcsw; 735133817Salfred ru.ru_nivcsw = RU(pp)->ru_nivcsw - RU(oldp)->ru_nivcsw; 736131623Sdes rup = &ru; 737131623Sdes } else { 738131623Sdes rup = RU(pp); 739131623Sdes } 740131623Sdes p_tot = rup->ru_inblock + rup->ru_oublock + rup->ru_majflt; 741131623Sdes s_tot = total_inblock + total_oublock + total_majflt; 742131402Salfred 743131623Sdes sprintf(fmt, io_Proc_format, 744131623Sdes pp->ki_pid, 745158280Sbde namelength, namelength, (*get_userid)(pp->ki_ruid), 746133817Salfred rup->ru_nvcsw, 747133817Salfred rup->ru_nivcsw, 748131626Sdes rup->ru_inblock, 749131626Sdes rup->ru_oublock, 750131626Sdes rup->ru_majflt, 751131626Sdes p_tot, 752131626Sdes s_tot == 0 ? 0.0 : (p_tot * 100.0 / s_tot), 753131623Sdes screen_width > cmdlengthdelta ? 754131623Sdes screen_width - cmdlengthdelta : 0, 755131623Sdes printable(pp->ki_comm)); 756131623Sdes return (fmt); 757131623Sdes } 758145073Skeramida 759131623Sdes /* format this entry */ 760145073Skeramida proc_fmt = smpmode ? smp_Proc_format : up_Proc_format; 761145073Skeramida if (ps.thread != 0) 762145073Skeramida thr_buf[0] = '\0'; 763145073Skeramida else 764145073Skeramida snprintf(thr_buf, sizeof(thr_buf), "%*d ", 765145073Skeramida sizeof(thr_buf) - 2, pp->ki_numthreads); 766145073Skeramida 767145073Skeramida sprintf(fmt, proc_fmt, 76869896Smckusick pp->ki_pid, 769158280Sbde namelength, namelength, (*get_userid)(pp->ki_ruid), 770145073Skeramida thr_buf, 77172377Sjake pp->ki_pri.pri_level - PZERO, 772158282Sbde format_nice(pp), 77337100Sdt format_k2(PROCSIZE(pp)), 77469896Smckusick format_k2(pagetok(pp->ki_rssize)), 77524143Sjoerg status, 77669896Smckusick smpmode ? pp->ki_lastcpu : 0, 77724143Sjoerg format_time(cputime), 778146342Skeramida ps.wcpu ? 100.0 * weighted_cpu(pct, pp) : 100.0 * pct, 779158280Sbde screen_width > cmdlengthdelta ? screen_width - cmdlengthdelta : 0, 78069896Smckusick printable(pp->ki_comm)); 78124143Sjoerg 782131623Sdes /* return the result */ 783131623Sdes return (fmt); 78424143Sjoerg} 78524143Sjoerg 786131310Salfredstatic void 787158282Sbdegetsysctl(const char *name, void *ptr, size_t len) 78824143Sjoerg{ 789131623Sdes size_t nlen = len; 790131310Salfred 791131623Sdes if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) { 792131623Sdes fprintf(stderr, "top: sysctl(%s...) failed: %s\n", name, 793131623Sdes strerror(errno)); 794131623Sdes quit(23); 795131623Sdes } 796131623Sdes if (nlen != len) { 797158280Sbde fprintf(stderr, "top: sysctl(%s...) expected %lu, got %lu\n", 798158280Sbde name, (unsigned long)len, (unsigned long)nlen); 799131623Sdes quit(23); 800131623Sdes } 80124143Sjoerg} 80272951Srwatson 803164058Sbdestatic const char * 804164058Sbdeformat_nice(const struct kinfo_proc *pp) 805158282Sbde{ 806164058Sbde const char *fifo, *kthread; 807164058Sbde int rtpri; 808164058Sbde static char nicebuf[4 + 1]; 809158282Sbde 810164058Sbde fifo = PRI_NEED_RR(pp->ki_pri.pri_class) ? "" : "F"; 811164058Sbde kthread = (pp->ki_flag & P_KTHREAD) ? "k" : ""; 812164058Sbde switch (PRI_BASE(pp->ki_pri.pri_class)) { 813164058Sbde case PRI_ITHD: 814164058Sbde return ("-"); 815164058Sbde case PRI_REALTIME: 816164058Sbde rtpri = pp->ki_pri.pri_level - PRI_MIN_REALTIME; 817164058Sbde snprintf(nicebuf, sizeof(nicebuf), "%sr%d%s", 818164058Sbde kthread, rtpri, fifo); 819164058Sbde break; 820164058Sbde case PRI_TIMESHARE: 821164058Sbde if (pp->ki_flag & P_KTHREAD) 822164058Sbde return ("-"); 823164058Sbde snprintf(nicebuf, sizeof(nicebuf), "%d", pp->ki_nice - NZERO); 824164058Sbde break; 825164058Sbde case PRI_IDLE: 826164058Sbde rtpri = pp->ki_pri.pri_level - PRI_MIN_IDLE; 827164058Sbde snprintf(nicebuf, sizeof(nicebuf), "%si%d%s", 828164058Sbde kthread, rtpri, fifo); 829164058Sbde break; 830164058Sbde default: 831164058Sbde return ("?"); 832164058Sbde } 833158282Sbde return (nicebuf); 834158282Sbde} 835158282Sbde 83638278Swosch/* comparison routines for qsort */ 83724143Sjoerg 838158282Sbdestatic int 839131622Sdescompare_pid(const void *p1, const void *p2) 840131402Salfred{ 841131623Sdes const struct kinfo_proc * const *pp1 = p1; 842131623Sdes const struct kinfo_proc * const *pp2 = p2; 843131402Salfred 844131623Sdes if ((*pp2)->ki_pid < 0 || (*pp1)->ki_pid < 0) 845131623Sdes abort(); 846131402Salfred 847131623Sdes return ((*pp1)->ki_pid - (*pp2)->ki_pid); 848131402Salfred} 849131402Salfred 85024143Sjoerg/* 85124143Sjoerg * proc_compare - comparison function for "qsort" 85224143Sjoerg * Compares the resource consumption of two processes using five 853131620Sdes * distinct keys. The keys (in descending order of importance) are: 854131620Sdes * percent cpu, cpu ticks, state, resident set size, total virtual 855131620Sdes * memory usage. The process states are ordered as follows (from least 856131620Sdes * to most important): WAIT, zombie, sleep, stop, start, run. The 857131620Sdes * array declaration below maps a process state index into a number 858131620Sdes * that reflects this ordering. 85924143Sjoerg */ 86024143Sjoerg 861158280Sbdestatic int sorted_state[] = { 862131623Sdes 0, /* not used */ 863131623Sdes 3, /* sleep */ 864131623Sdes 1, /* ABANDONED (WAIT) */ 865131623Sdes 6, /* run */ 866131623Sdes 5, /* start */ 867131623Sdes 2, /* zombie */ 868131623Sdes 4 /* stop */ 86924143Sjoerg}; 87038278Swosch 871131620Sdes 872146343Skeramida#define ORDERKEY_PCTCPU(a, b) do { \ 873146343Skeramida long diff; \ 874146343Skeramida if (ps.wcpu) \ 875158280Sbde diff = floor(1.0E6 * weighted_cpu(pctdouble((b)->ki_pctcpu), \ 876158280Sbde (b))) - \ 877158280Sbde floor(1.0E6 * weighted_cpu(pctdouble((a)->ki_pctcpu), \ 878158280Sbde (a))); \ 879146343Skeramida else \ 880146343Skeramida diff = (long)(b)->ki_pctcpu - (long)(a)->ki_pctcpu; \ 881146343Skeramida if (diff != 0) \ 882146343Skeramida return (diff > 0 ? 1 : -1); \ 883131626Sdes} while (0) 88438278Swosch 885131626Sdes#define ORDERKEY_CPTICKS(a, b) do { \ 886131628Sdes int64_t diff = (int64_t)(b)->ki_runtime - (int64_t)(a)->ki_runtime; \ 887131626Sdes if (diff != 0) \ 888131626Sdes return (diff > 0 ? 1 : -1); \ 889131626Sdes} while (0) 89038278Swosch 891131626Sdes#define ORDERKEY_STATE(a, b) do { \ 892131626Sdes int diff = sorted_state[(b)->ki_stat] - sorted_state[(a)->ki_stat]; \ 893131626Sdes if (diff != 0) \ 894131626Sdes return (diff > 0 ? 1 : -1); \ 895131626Sdes} while (0) 89638278Swosch 897131626Sdes#define ORDERKEY_PRIO(a, b) do { \ 898131628Sdes int diff = (int)(b)->ki_pri.pri_level - (int)(a)->ki_pri.pri_level; \ 899131626Sdes if (diff != 0) \ 900131626Sdes return (diff > 0 ? 1 : -1); \ 901131626Sdes} while (0) 90238278Swosch 903145073Skeramida#define ORDERKEY_THREADS(a, b) do { \ 904145073Skeramida int diff = (int)(b)->ki_numthreads - (int)(a)->ki_numthreads; \ 905145073Skeramida if (diff != 0) \ 906145073Skeramida return (diff > 0 ? 1 : -1); \ 907145073Skeramida} while (0) 908145073Skeramida 909131626Sdes#define ORDERKEY_RSSIZE(a, b) do { \ 910131628Sdes long diff = (long)(b)->ki_rssize - (long)(a)->ki_rssize; \ 911131626Sdes if (diff != 0) \ 912131626Sdes return (diff > 0 ? 1 : -1); \ 913131626Sdes} while (0) 91438278Swosch 915131626Sdes#define ORDERKEY_MEM(a, b) do { \ 916131628Sdes long diff = (long)PROCSIZE((b)) - (long)PROCSIZE((a)); \ 917131626Sdes if (diff != 0) \ 918131626Sdes return (diff > 0 ? 1 : -1); \ 919131626Sdes} while (0) 92038278Swosch 92138278Swosch/* compare_cpu - the comparison function for sorting by cpu percentage */ 92238278Swosch 92324143Sjoergint 92438278Swosch#ifdef ORDER 925131626Sdescompare_cpu(void *arg1, void *arg2) 92638278Swosch#else 927131626Sdesproc_compare(void *arg1, void *arg2) 92838278Swosch#endif 92924143Sjoerg{ 930131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 931131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 93224143Sjoerg 933131626Sdes ORDERKEY_PCTCPU(p1, p2); 934131626Sdes ORDERKEY_CPTICKS(p1, p2); 935131626Sdes ORDERKEY_STATE(p1, p2); 936131626Sdes ORDERKEY_PRIO(p1, p2); 937131626Sdes ORDERKEY_RSSIZE(p1, p2); 938131626Sdes ORDERKEY_MEM(p1, p2); 93924143Sjoerg 940131626Sdes return (0); 94124143Sjoerg} 94224143Sjoerg 94338278Swosch#ifdef ORDER 944158280Sbde/* "cpu" compare routines */ 945158280Sbdeint compare_size(), compare_res(), compare_time(), compare_prio(), 946158280Sbde compare_threads(); 94724143Sjoerg 948158280Sbde/* 949158280Sbde * "io" compare routines. Context switches aren't i/o, but are displayed 950158280Sbde * on the "io" display. 951158280Sbde */ 952158280Sbdeint compare_iototal(), compare_ioread(), compare_iowrite(), compare_iofault(), 953158280Sbde compare_vcsw(), compare_ivcsw(); 954158280Sbde 955133817Salfredint (*compares[])() = { 956131623Sdes compare_cpu, 957131623Sdes compare_size, 958131623Sdes compare_res, 959131623Sdes compare_time, 960131623Sdes compare_prio, 961145073Skeramida compare_threads, 962133817Salfred compare_iototal, 963133817Salfred compare_ioread, 964133817Salfred compare_iowrite, 965133817Salfred compare_iofault, 966133817Salfred compare_vcsw, 967133817Salfred compare_ivcsw, 968131623Sdes NULL 96938278Swosch}; 97038278Swosch 97138278Swosch/* compare_size - the comparison function for sorting by total memory usage */ 97238278Swosch 97338278Swoschint 974131626Sdescompare_size(void *arg1, void *arg2) 97538278Swosch{ 976131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 977131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 97838278Swosch 979131626Sdes ORDERKEY_MEM(p1, p2); 980131626Sdes ORDERKEY_RSSIZE(p1, p2); 981131626Sdes ORDERKEY_PCTCPU(p1, p2); 982131626Sdes ORDERKEY_CPTICKS(p1, p2); 983131626Sdes ORDERKEY_STATE(p1, p2); 984131626Sdes ORDERKEY_PRIO(p1, p2); 98538278Swosch 986131626Sdes return (0); 98738278Swosch} 98838278Swosch 98938278Swosch/* compare_res - the comparison function for sorting by resident set size */ 99038278Swosch 99138278Swoschint 992131626Sdescompare_res(void *arg1, void *arg2) 99338278Swosch{ 994131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 995131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 99638278Swosch 997131626Sdes ORDERKEY_RSSIZE(p1, p2); 998131626Sdes ORDERKEY_MEM(p1, p2); 999131626Sdes ORDERKEY_PCTCPU(p1, p2); 1000131626Sdes ORDERKEY_CPTICKS(p1, p2); 1001131626Sdes ORDERKEY_STATE(p1, p2); 1002131626Sdes ORDERKEY_PRIO(p1, p2); 100338278Swosch 1004131626Sdes return (0); 100538278Swosch} 100638278Swosch 100738278Swosch/* compare_time - the comparison function for sorting by total cpu time */ 100838278Swosch 100938278Swoschint 1010131626Sdescompare_time(void *arg1, void *arg2) 1011131310Salfred{ 1012131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1013131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 101438278Swosch 1015131626Sdes ORDERKEY_CPTICKS(p1, p2); 1016131626Sdes ORDERKEY_PCTCPU(p1, p2); 1017131626Sdes ORDERKEY_STATE(p1, p2); 1018131626Sdes ORDERKEY_PRIO(p1, p2); 1019131626Sdes ORDERKEY_RSSIZE(p1, p2); 1020131626Sdes ORDERKEY_MEM(p1, p2); 102138278Swosch 1022131626Sdes return (0); 1023131623Sdes} 1024131310Salfred 1025131626Sdes/* compare_prio - the comparison function for sorting by priority */ 102638278Swosch 102738278Swoschint 1028131626Sdescompare_prio(void *arg1, void *arg2) 102938278Swosch{ 1030131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1031131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 103238278Swosch 1033131626Sdes ORDERKEY_PRIO(p1, p2); 1034131626Sdes ORDERKEY_CPTICKS(p1, p2); 1035131626Sdes ORDERKEY_PCTCPU(p1, p2); 1036131626Sdes ORDERKEY_STATE(p1, p2); 1037131626Sdes ORDERKEY_RSSIZE(p1, p2); 1038131626Sdes ORDERKEY_MEM(p1, p2); 103938278Swosch 1040131626Sdes return (0); 104138278Swosch} 1042145073Skeramida 1043145073Skeramida/* compare_threads - the comparison function for sorting by threads */ 1044145073Skeramidaint 1045145073Skeramidacompare_threads(void *arg1, void *arg2) 1046145073Skeramida{ 1047145073Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1048145073Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1049145073Skeramida 1050145073Skeramida ORDERKEY_THREADS(p1, p2); 1051145073Skeramida ORDERKEY_PCTCPU(p1, p2); 1052145073Skeramida ORDERKEY_CPTICKS(p1, p2); 1053145073Skeramida ORDERKEY_STATE(p1, p2); 1054145073Skeramida ORDERKEY_PRIO(p1, p2); 1055145073Skeramida ORDERKEY_RSSIZE(p1, p2); 1056145073Skeramida ORDERKEY_MEM(p1, p2); 1057145073Skeramida 1058145073Skeramida return (0); 1059145073Skeramida} 1060158280Sbde#endif /* ORDER */ 106138278Swosch 1062158280Sbde/* assorted comparison functions for sorting by i/o */ 1063131829Skeramida 1064131402Salfredint 1065131829Skeramida#ifdef ORDER 1066131829Skeramidacompare_iototal(void *arg1, void *arg2) 1067131829Skeramida#else 1068131626Sdesio_compare(void *arg1, void *arg2) 1069131829Skeramida#endif 1070131402Salfred{ 1071131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1072131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1073131402Salfred 1074131626Sdes return (get_io_total(p2) - get_io_total(p1)); 1075131402Salfred} 1076131829Skeramida 1077131829Skeramida#ifdef ORDER 1078131829Skeramidaint 1079131829Skeramidacompare_ioread(void *arg1, void *arg2) 1080131829Skeramida{ 1081131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1082131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1083131829Skeramida long dummy, inp1, inp2; 1084131829Skeramida 1085133817Salfred (void) get_io_stats(p1, &inp1, &dummy, &dummy, &dummy, &dummy); 1086133817Salfred (void) get_io_stats(p2, &inp2, &dummy, &dummy, &dummy, &dummy); 1087131829Skeramida 1088131829Skeramida return (inp2 - inp1); 1089131829Skeramida} 1090131829Skeramida 1091131829Skeramidaint 1092131829Skeramidacompare_iowrite(void *arg1, void *arg2) 1093131829Skeramida{ 1094131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1095131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1096131829Skeramida long dummy, oup1, oup2; 1097131829Skeramida 1098133817Salfred (void) get_io_stats(p1, &dummy, &oup1, &dummy, &dummy, &dummy); 1099133817Salfred (void) get_io_stats(p2, &dummy, &oup2, &dummy, &dummy, &dummy); 1100131829Skeramida 1101131829Skeramida return (oup2 - oup1); 1102131829Skeramida} 1103131829Skeramida 1104131829Skeramidaint 1105131829Skeramidacompare_iofault(void *arg1, void *arg2) 1106131829Skeramida{ 1107131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1108131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1109131829Skeramida long dummy, flp1, flp2; 1110131829Skeramida 1111133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &flp1, &dummy, &dummy); 1112133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &flp2, &dummy, &dummy); 1113131829Skeramida 1114131829Skeramida return (flp2 - flp1); 1115131829Skeramida} 1116131829Skeramida 1117133817Salfredint 1118133817Salfredcompare_vcsw(void *arg1, void *arg2) 1119133817Salfred{ 1120133817Salfred struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1121133817Salfred struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1122133817Salfred long dummy, flp1, flp2; 1123133817Salfred 1124133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &dummy, &flp1, &dummy); 1125133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &dummy, &flp2, &dummy); 1126133817Salfred 1127133817Salfred return (flp2 - flp1); 1128133817Salfred} 1129133817Salfred 1130133817Salfredint 1131133817Salfredcompare_ivcsw(void *arg1, void *arg2) 1132133817Salfred{ 1133133817Salfred struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1134133817Salfred struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1135133817Salfred long dummy, flp1, flp2; 1136133817Salfred 1137133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &dummy, &dummy, &flp1); 1138133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &dummy, &dummy, &flp2); 1139133817Salfred 1140133817Salfred return (flp2 - flp1); 1141133817Salfred} 1142131829Skeramida#endif /* ORDER */ 1143131829Skeramida 114424143Sjoerg/* 114524143Sjoerg * proc_owner(pid) - returns the uid that owns process "pid", or -1 if 114624143Sjoerg * the process does not exist. 114724143Sjoerg * It is EXTREMLY IMPORTANT that this function work correctly. 114824143Sjoerg * If top runs setuid root (as in SVR4), then this function 114924143Sjoerg * is the only thing that stands in the way of a serious 115024143Sjoerg * security problem. It validates requests for the "kill" 115124143Sjoerg * and "renice" commands. 115224143Sjoerg */ 115324143Sjoerg 1154131310Salfredint 1155131622Sdesproc_owner(int pid) 115624143Sjoerg{ 1157131623Sdes int cnt; 1158131623Sdes struct kinfo_proc **prefp; 1159131623Sdes struct kinfo_proc *pp; 116024143Sjoerg 1161131623Sdes prefp = pref; 1162131623Sdes cnt = pref_len; 1163131626Sdes while (--cnt >= 0) { 1164131623Sdes pp = *prefp++; 1165131623Sdes if (pp->ki_pid == (pid_t)pid) 1166131623Sdes return ((int)pp->ki_ruid); 116724143Sjoerg } 1168131623Sdes return (-1); 116924143Sjoerg} 117024143Sjoerg 1171158282Sbdestatic int 1172131622Sdesswapmode(int *retavail, int *retfree) 117324143Sjoerg{ 117443053Sdillon int n; 117543053Sdillon int pagesize = getpagesize(); 117643053Sdillon struct kvm_swap swapary[1]; 117724143Sjoerg 117843053Sdillon *retavail = 0; 117943053Sdillon *retfree = 0; 118024143Sjoerg 118143053Sdillon#define CONVERT(v) ((quad_t)(v) * pagesize / 1024) 118224143Sjoerg 118343053Sdillon n = kvm_getswapinfo(kd, swapary, 1, 0); 118443697Sdillon if (n < 0 || swapary[0].ksw_total == 0) 1185131623Sdes return (0); 118624143Sjoerg 118743053Sdillon *retavail = CONVERT(swapary[0].ksw_total); 118843053Sdillon *retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used); 118924143Sjoerg 1190131626Sdes n = (int)(swapary[0].ksw_used * 100.0 / swapary[0].ksw_total); 1191131623Sdes return (n); 119243053Sdillon} 1193