machine.c revision 145073
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 145073 2005-04-14 15:02:03Z keramida $ 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 5492922Simpstatic void getsysctl(char *, void *, size_t); 5572951Srwatson 5672951Srwatson#define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var)) 5772951Srwatson 58145073Skeramidaextern struct process_select ps; 5992922Simpextern char* printable(char *); 6092922Simpint swapmode(int *retavail, int *retfree); 6127340Speterstatic int smpmode; 62131402Salfredenum displaymodes displaymode; 6327390Speterstatic int namelength; 6469375Sjhbstatic int cmdlengthdelta; 6524143Sjoerg 6672951Srwatson/* Prototypes for top internals */ 6792922Simpvoid quit(int); 68131402Salfredint compare_pid(const void *a, const void *b); 6924143Sjoerg 7024143Sjoerg/* get_process_info passes back a handle. This is what it looks like: */ 7124143Sjoerg 7224143Sjoergstruct handle 7324143Sjoerg{ 74131623Sdes struct kinfo_proc **next_proc; /* points to next valid proc pointer */ 75131623Sdes int remaining; /* number of pointers remaining */ 7624143Sjoerg}; 7724143Sjoerg 7824143Sjoerg/* declarations for load_avg */ 7924143Sjoerg#include "loadavg.h" 8024143Sjoerg 8124143Sjoerg/* define what weighted cpu is. */ 8269896Smckusick#define weighted_cpu(pct, pp) ((pp)->ki_swtime == 0 ? 0.0 : \ 8369896Smckusick ((pct) / (1.0 - exp((pp)->ki_swtime * logcpu)))) 8424143Sjoerg 8524143Sjoerg/* what we consider to be process size: */ 8669896Smckusick#define PROCSIZE(pp) ((pp)->ki_size / 1024) 8724143Sjoerg 88131402Salfred#define RU(pp) (&(pp)->ki_rusage) 89131402Salfred#define RUTOT(pp) \ 90131402Salfred (RU(pp)->ru_inblock + RU(pp)->ru_oublock + RU(pp)->ru_majflt) 91131402Salfred 92131402Salfred 9324143Sjoerg/* definitions for indices in the nlist array */ 9424143Sjoerg 9524143Sjoerg/* 9624143Sjoerg * These definitions control the format of the per-process area 9724143Sjoerg */ 9824143Sjoerg 99131402Salfredstatic char io_header[] = 100133817Salfred " PID %-*.*s VCSW IVCSW READ WRITE FAULT TOTAL PERCENT COMMAND"; 101131402Salfred 102131402Salfred#define io_Proc_format \ 103133817Salfred "%5d %-*.*s %6ld %6ld %6ld %6ld %6ld %6ld %6.2f%% %.*s" 104131402Salfred 105145073Skeramidastatic char smp_header_thr[] = 106145073Skeramida " PID %-*.*s THR PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND"; 10727340Speterstatic char smp_header[] = 108145073Skeramida " PID %-*.*s " "PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND"; 10924143Sjoerg 11027340Speter#define smp_Proc_format \ 111145073Skeramida "%5d %-*.*s %s%3d %4d%7s %6s %-6.6s %1x%7s %5.2f%% %5.2f%% %.*s" 11224143Sjoerg 113145073Skeramidastatic char up_header_thr[] = 114145073Skeramida " PID %-*.*s THR PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND"; 11527340Speterstatic char up_header[] = 116145073Skeramida " PID %-*.*s " "PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND"; 11724143Sjoerg 11827340Speter#define up_Proc_format \ 119145073Skeramida "%5d %-*.*s %s%3d %4d%7s %6s %-6.6s%.0d%7s %5.2f%% %5.2f%% %.*s" 12024143Sjoerg 12124143Sjoerg 12224143Sjoerg/* process state names for the "STATE" column of the display */ 12324143Sjoerg/* the extra nulls in the string "run" are for adding a slash and 12424143Sjoerg the processor number when needed */ 12524143Sjoerg 12624143Sjoergchar *state_abbrev[] = 12724143Sjoerg{ 128131623Sdes "", "START", "RUN\0\0\0", "SLEEP", "STOP", "ZOMB", "WAIT", "LOCK" 12924143Sjoerg}; 13024143Sjoerg 13124143Sjoerg 13224143Sjoergstatic kvm_t *kd; 13324143Sjoerg 13424143Sjoerg/* values that we stash away in _init and use in later routines */ 13524143Sjoerg 13624143Sjoergstatic double logcpu; 13724143Sjoerg 13824143Sjoerg/* these are retrieved from the kernel in _init */ 13924143Sjoerg 14024143Sjoergstatic load_avg ccpu; 14124143Sjoerg 14272951Srwatson/* these are used in the get_ functions */ 14324143Sjoerg 14472951Srwatsonstatic int lastpid; 14524143Sjoerg 14624143Sjoerg/* these are for calculating cpu state percentages */ 14724143Sjoerg 14824143Sjoergstatic long cp_time[CPUSTATES]; 14924143Sjoergstatic long cp_old[CPUSTATES]; 15024143Sjoergstatic long cp_diff[CPUSTATES]; 15124143Sjoerg 15224143Sjoerg/* these are for detailing the process states */ 15324143Sjoerg 15465557Sjasoneint process_states[8]; 15524143Sjoergchar *procstatenames[] = { 156131623Sdes "", " starting, ", " running, ", " sleeping, ", " stopped, ", 157131623Sdes " zombie, ", " waiting, ", " lock, ", 158131623Sdes NULL 15924143Sjoerg}; 16024143Sjoerg 16124143Sjoerg/* these are for detailing the cpu states */ 16224143Sjoerg 16324143Sjoergint cpu_states[CPUSTATES]; 16424143Sjoergchar *cpustatenames[] = { 165131623Sdes "user", "nice", "system", "interrupt", "idle", NULL 16624143Sjoerg}; 16724143Sjoerg 16824143Sjoerg/* these are for detailing the memory statistics */ 16924143Sjoerg 17024143Sjoergint memory_stats[7]; 17124143Sjoergchar *memorynames[] = { 172131623Sdes /* 0 1 2 3 4 5 */ 173131623Sdes "K Active, ", "K Inact, ", "K Wired, ", "K Cache, ", "K Buf, ", "K Free", 174131623Sdes NULL 17524143Sjoerg}; 17624143Sjoerg 17724143Sjoergint swap_stats[7]; 17824143Sjoergchar *swapnames[] = { 179131623Sdes /* 0 1 2 3 4 5 */ 180131623Sdes "K Total, ", "K Used, ", "K Free, ", "% Inuse, ", "K In, ", "K Out", 181131623Sdes NULL 18224143Sjoerg}; 18324143Sjoerg 18424143Sjoerg 18524143Sjoerg/* these are for keeping track of the proc array */ 18624143Sjoerg 18724143Sjoergstatic int nproc; 18824143Sjoergstatic int onproc = -1; 18924143Sjoergstatic int pref_len; 19024143Sjoergstatic struct kinfo_proc *pbase; 19124143Sjoergstatic struct kinfo_proc **pref; 192131402Salfredstatic struct kinfo_proc *previous_procs; 193131402Salfredstatic struct kinfo_proc **previous_pref; 194131402Salfredstatic int previous_proc_count = 0; 195131402Salfredstatic int previous_proc_count_max = 0; 19624143Sjoerg 197131412Salfred/* total number of io operations */ 198131412Salfredstatic long total_inblock; 199131412Salfredstatic long total_oublock; 200131412Salfredstatic long total_majflt; 201131412Salfred 20224143Sjoerg/* these are for getting the memory statistics */ 20324143Sjoerg 20424143Sjoergstatic int pageshift; /* log base 2 of the pagesize */ 20524143Sjoerg 20624143Sjoerg/* define pagetok in terms of pageshift */ 20724143Sjoerg 20824143Sjoerg#define pagetok(size) ((size) << pageshift) 20924143Sjoerg 21024143Sjoerg/* useful externals */ 21124143Sjoerglong percentages(); 21224143Sjoerg 21338278Swosch#ifdef ORDER 214131829Skeramida/* 215145073Skeramida * Sorting orders. The first element is the default. 216131829Skeramida */ 217133817Salfredchar *ordernames[] = { 218145073Skeramida "cpu", "size", "res", "time", "pri", "threads", 219133817Salfred "total", "read", "write", "fault", "vcsw", "ivcsw", NULL 22038278Swosch}; 22138278Swosch#endif 22238278Swosch 22324143Sjoergint 224131622Sdesmachine_init(struct statics *statics) 22524143Sjoerg{ 226131623Sdes int pagesize; 227131623Sdes size_t modelen; 228131623Sdes struct passwd *pw; 22924143Sjoerg 230131623Sdes modelen = sizeof(smpmode); 231131623Sdes if ((sysctlbyname("machdep.smp_active", &smpmode, &modelen, NULL, 0) < 0 && 232131623Sdes sysctlbyname("kern.smp.active", &smpmode, &modelen, NULL, 0) < 0) || 233131623Sdes modelen != sizeof(smpmode)) 234131623Sdes smpmode = 0; 23527340Speter 236131623Sdes while ((pw = getpwent()) != NULL) { 237131623Sdes if (strlen(pw->pw_name) > namelength) 238131623Sdes namelength = strlen(pw->pw_name); 239131623Sdes } 240131623Sdes if (namelength < 8) 241131623Sdes namelength = 8; 242131623Sdes if (smpmode && namelength > 13) 243131623Sdes namelength = 13; 244131623Sdes else if (namelength > 15) 245131623Sdes namelength = 15; 24627390Speter 247131626Sdes kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open"); 248131626Sdes if (kd == NULL) 249131626Sdes return (-1); 25024143Sjoerg 251131623Sdes GETSYSCTL("kern.ccpu", ccpu); 25224143Sjoerg 253131623Sdes /* this is used in calculating WCPU -- calculate it ahead of time */ 254131623Sdes logcpu = log(loaddouble(ccpu)); 25524143Sjoerg 256131623Sdes pbase = NULL; 257131623Sdes pref = NULL; 258131623Sdes nproc = 0; 259131623Sdes onproc = -1; 260131623Sdes /* get the page size with "getpagesize" 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); 301131623Sdes break; 302131623Sdes case DISP_IO: 303131623Sdes prehead = io_header; 304131623Sdes break; 305131623Sdes } 306131402Salfred 307131623Sdes snprintf(Header, sizeof(Header), prehead, 308131623Sdes namelength, namelength, uname_field); 30927340Speter 310131623Sdes cmdlengthdelta = strlen(Header) - 7; 31124143Sjoerg 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 474133817Salfredget_io_stats(struct kinfo_proc *pp, long *inp, long *oup, long *flp, long *vcsw, long *ivcsw) 475131402Salfred{ 476131402Salfred const struct kinfo_proc *oldp; 477131402Salfred static struct kinfo_proc dummy; 478131402Salfred long ret; 479131402Salfred 480131402Salfred oldp = get_old_proc(pp); 481131402Salfred if (oldp == NULL) { 482131402Salfred bzero(&dummy, sizeof(dummy)); 483131402Salfred oldp = &dummy; 484131402Salfred } 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)); 549131626Sdes qsort(previous_pref, nproc, sizeof(*previous_pref), compare_pid); 550131623Sdes } 551131623Sdes previous_proc_count = nproc; 552131402Salfred 553131623Sdes pbase = kvm_getprocs(kd, KERN_PROC_ALL, 0, &nproc); 554131623Sdes if (nproc > onproc) 555131626Sdes pref = realloc(pref, sizeof(*pref) * (onproc = nproc)); 556131623Sdes if (pref == NULL || pbase == NULL) { 557131623Sdes (void) fprintf(stderr, "top: Out of memory.\n"); 558131623Sdes quit(23); 559131623Sdes } 560131623Sdes /* get a pointer to the states summary array */ 561131623Sdes si->procstates = process_states; 56224143Sjoerg 563131623Sdes /* set up flags which define what we are going to select */ 564131623Sdes show_idle = sel->idle; 565132024Sdes show_self = sel->self == -1; 566131623Sdes show_system = sel->system; 567131623Sdes show_uid = sel->uid != -1; 568131623Sdes show_command = sel->command != NULL; 56924143Sjoerg 570131623Sdes /* count up process states and get pointers to interesting procs */ 571131623Sdes total_procs = 0; 572131623Sdes active_procs = 0; 573131623Sdes total_inblock = 0; 574131623Sdes total_oublock = 0; 575131623Sdes total_majflt = 0; 576131623Sdes memset((char *)process_states, 0, sizeof(process_states)); 577131623Sdes prefp = pref; 578131626Sdes for (pp = pbase, i = 0; i < nproc; pp++, i++) { 579131619Sdes 580131623Sdes if (pp->ki_stat == 0) 581132024Sdes /* not in use */ 582132024Sdes continue; 583131619Sdes 584131623Sdes if (!show_self && pp->ki_pid == sel->self) 585131623Sdes /* skip self */ 586131623Sdes continue; 587131619Sdes 588131623Sdes if (!show_system && (pp->ki_flag & P_SYSTEM)) 589131623Sdes /* skip system process */ 590131623Sdes continue; 591131619Sdes 592133817Salfred p_io = get_io_stats(pp, &p_inblock, &p_oublock, &p_majflt, &p_vcsw, &p_ivcsw); 593131623Sdes total_inblock += p_inblock; 594131623Sdes total_oublock += p_oublock; 595131623Sdes total_majflt += p_majflt; 596131623Sdes total_procs++; 597131626Sdes process_states[pp->ki_stat]++; 598131619Sdes 599131623Sdes if (pp->ki_stat == SZOMB) 600131623Sdes /* skip zombies */ 601131623Sdes continue; 602131619Sdes 603131623Sdes if (displaymode == DISP_CPU && !show_idle && 604131623Sdes (pp->ki_pctcpu == 0 || pp->ki_stat != SRUN)) 605131623Sdes /* skip idle or non-running processes */ 606131623Sdes continue; 607131619Sdes 608131623Sdes if (displaymode == DISP_IO && !show_idle && p_io == 0) 609131623Sdes /* skip processes that aren't doing I/O */ 610131623Sdes continue; 611131619Sdes 612131623Sdes if (show_uid && pp->ki_ruid != (uid_t)sel->uid) 613131623Sdes /* skip processes which don't belong to the selected UID */ 614131623Sdes continue; 615131619Sdes 616131623Sdes /* 617131623Sdes * When not showing threads, take the first thread 618131623Sdes * for output and add the fields that we can from 619131623Sdes * the rest of the process's threads rather than 620131623Sdes * using the system's mostly-broken KERN_PROC_PROC. 621131623Sdes */ 622131626Sdes if (sel->thread || prev_pp == NULL || 623131626Sdes prev_pp->ki_pid != pp->ki_pid) { 624131623Sdes *prefp++ = pp; 625131623Sdes active_procs++; 626131623Sdes prev_pp = pp; 627131623Sdes } else { 628131623Sdes prev_pp->ki_pctcpu += pp->ki_pctcpu; 629131623Sdes } 630131623Sdes } 631131623Sdes 632131623Sdes /* if requested, sort the "interesting" processes */ 633131623Sdes if (compare != NULL) 634131626Sdes qsort(pref, active_procs, sizeof(*pref), compare); 63524143Sjoerg 636131623Sdes /* remember active and total counts */ 637131623Sdes si->p_total = total_procs; 638131623Sdes si->p_active = pref_len = active_procs; 63924143Sjoerg 640131623Sdes /* pass back a handle */ 641131623Sdes handle.next_proc = pref; 642131623Sdes handle.remaining = active_procs; 643131623Sdes return ((caddr_t)&handle); 64424143Sjoerg} 64524143Sjoerg 646131626Sdesstatic char fmt[128]; /* static area where result is built */ 64724143Sjoerg 648131310Salfredchar * 649131626Sdesformat_next_process(caddr_t handle, char *(*get_userid)(int)) 65024143Sjoerg{ 651131623Sdes struct kinfo_proc *pp; 652131623Sdes const struct kinfo_proc *oldp; 653131623Sdes long cputime; 654131623Sdes double pct; 655131623Sdes struct handle *hp; 656131623Sdes char status[16]; 657131623Sdes int state; 658131623Sdes struct rusage ru, *rup; 659131623Sdes long p_tot, s_tot; 660145073Skeramida char *proc_fmt, thr_buf[7]; 66124143Sjoerg 662131623Sdes /* find and remember the next proc structure */ 663131623Sdes hp = (struct handle *)handle; 664131623Sdes pp = *(hp->next_proc++); 665131623Sdes hp->remaining--; 666131620Sdes 667131623Sdes /* get the process's command name */ 668131623Sdes if ((pp->ki_sflag & PS_INMEM) == 0) { 669131623Sdes /* 670131623Sdes * Print swapped processes as <pname> 671131623Sdes */ 672131626Sdes size_t len = strlen(pp->ki_comm); 673131626Sdes if (len > sizeof(pp->ki_comm) - 3) 674131626Sdes len = sizeof(pp->ki_comm) - 3; 675131626Sdes memmove(pp->ki_comm + 1, pp->ki_comm, len); 676131626Sdes pp->ki_comm[0] = '<'; 677131626Sdes pp->ki_comm[len + 1] = '>'; 678131626Sdes pp->ki_comm[len + 2] = '\0'; 679131623Sdes } 680131623Sdes 68124143Sjoerg /* 682131623Sdes * Convert the process's runtime from microseconds to seconds. This 683131623Sdes * time includes the interrupt time although that is not wanted here. 684131623Sdes * ps(1) is similarly sloppy. 68524143Sjoerg */ 686131623Sdes cputime = (pp->ki_runtime + 500000) / 1000000; 68724143Sjoerg 688131623Sdes /* calculate the base for cpu percentages */ 689131623Sdes pct = pctdouble(pp->ki_pctcpu); 69024143Sjoerg 691131623Sdes /* generate "STATE" field */ 692131623Sdes switch (state = pp->ki_stat) { 69324143Sjoerg case SRUN: 694131623Sdes if (smpmode && pp->ki_oncpu != 0xff) 695131623Sdes sprintf(status, "CPU%d", pp->ki_oncpu); 696131623Sdes else 697131623Sdes strcpy(status, "RUN"); 698131623Sdes break; 699104388Sjhb case SLOCK: 700131623Sdes if (pp->ki_kiflag & KI_LOCKBLOCK) { 701131623Sdes sprintf(status, "*%.6s", pp->ki_lockname); 702131623Sdes break; 703131623Sdes } 704131623Sdes /* fall through */ 70524143Sjoerg case SSLEEP: 706131623Sdes if (pp->ki_wmesg != NULL) { 707131623Sdes sprintf(status, "%.6s", pp->ki_wmesg); 708131623Sdes break; 709131623Sdes } 710131623Sdes /* FALLTHROUGH */ 71124143Sjoerg default: 71243720Sfenner 713131623Sdes if (state >= 0 && 714131623Sdes state < sizeof(state_abbrev) / sizeof(*state_abbrev)) 715131626Sdes sprintf(status, "%.6s", state_abbrev[state]); 716131623Sdes else 717131623Sdes sprintf(status, "?%5d", state); 718131623Sdes break; 719131623Sdes } 72024143Sjoerg 721131623Sdes if (displaymode == DISP_IO) { 722131623Sdes oldp = get_old_proc(pp); 723131623Sdes if (oldp != NULL) { 724131623Sdes ru.ru_inblock = RU(pp)->ru_inblock - RU(oldp)->ru_inblock; 725131623Sdes ru.ru_oublock = RU(pp)->ru_oublock - RU(oldp)->ru_oublock; 726131623Sdes ru.ru_majflt = RU(pp)->ru_majflt - RU(oldp)->ru_majflt; 727133817Salfred ru.ru_nvcsw = RU(pp)->ru_nvcsw - RU(oldp)->ru_nvcsw; 728133817Salfred ru.ru_nivcsw = RU(pp)->ru_nivcsw - RU(oldp)->ru_nivcsw; 729131623Sdes rup = &ru; 730131623Sdes } else { 731131623Sdes rup = RU(pp); 732131623Sdes } 733131623Sdes p_tot = rup->ru_inblock + rup->ru_oublock + rup->ru_majflt; 734131623Sdes s_tot = total_inblock + total_oublock + total_majflt; 735131402Salfred 736131623Sdes sprintf(fmt, io_Proc_format, 737131623Sdes pp->ki_pid, 738131623Sdes namelength, namelength, 739131623Sdes (*get_userid)(pp->ki_ruid), 740133817Salfred rup->ru_nvcsw, 741133817Salfred rup->ru_nivcsw, 742131626Sdes rup->ru_inblock, 743131626Sdes rup->ru_oublock, 744131626Sdes rup->ru_majflt, 745131626Sdes p_tot, 746131626Sdes s_tot == 0 ? 0.0 : (p_tot * 100.0 / s_tot), 747131623Sdes screen_width > cmdlengthdelta ? 748131623Sdes screen_width - cmdlengthdelta : 0, 749131623Sdes printable(pp->ki_comm)); 750131623Sdes return (fmt); 751131623Sdes } 752145073Skeramida 753131623Sdes /* format this entry */ 754145073Skeramida proc_fmt = smpmode ? smp_Proc_format : up_Proc_format; 755145073Skeramida if (ps.thread != 0) 756145073Skeramida thr_buf[0] = '\0'; 757145073Skeramida else 758145073Skeramida snprintf(thr_buf, sizeof(thr_buf), "%*d ", 759145073Skeramida sizeof(thr_buf) - 2, pp->ki_numthreads); 760145073Skeramida 761145073Skeramida sprintf(fmt, proc_fmt, 76269896Smckusick pp->ki_pid, 76327390Speter namelength, namelength, 76469896Smckusick (*get_userid)(pp->ki_ruid), 765145073Skeramida thr_buf, 76672377Sjake pp->ki_pri.pri_level - PZERO, 76729904Speter 76829904Speter /* 769131620Sdes * normal time -> nice value -20 - +20 77029904Speter * real time 0 - 31 -> nice value -52 - -21 77129904Speter * idle time 0 - 31 -> nice value +21 - +52 77229904Speter */ 773131620Sdes (pp->ki_pri.pri_class == PRI_TIMESHARE ? 774131620Sdes pp->ki_nice - NZERO : 775131620Sdes (PRI_IS_REALTIME(pp->ki_pri.pri_class) ? 77672377Sjake (PRIO_MIN - 1 - (PRI_MAX_REALTIME - pp->ki_pri.pri_level)) : 777131620Sdes (PRIO_MAX + 1 + pp->ki_pri.pri_level - PRI_MIN_IDLE))), 77837100Sdt format_k2(PROCSIZE(pp)), 77969896Smckusick format_k2(pagetok(pp->ki_rssize)), 78024143Sjoerg status, 78169896Smckusick smpmode ? pp->ki_lastcpu : 0, 78224143Sjoerg format_time(cputime), 78341325Sdfr 100.0 * weighted_cpu(pct, pp), 78441325Sdfr 100.0 * pct, 78569375Sjhb screen_width > cmdlengthdelta ? 786131623Sdes screen_width - cmdlengthdelta : 787131623Sdes 0, 78869896Smckusick printable(pp->ki_comm)); 78924143Sjoerg 790131623Sdes /* return the result */ 791131623Sdes return (fmt); 79224143Sjoerg} 79324143Sjoerg 794131310Salfredstatic void 795131622Sdesgetsysctl(char *name, void *ptr, size_t len) 79624143Sjoerg{ 797131623Sdes size_t nlen = len; 798131310Salfred 799131623Sdes if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) { 800131623Sdes fprintf(stderr, "top: sysctl(%s...) failed: %s\n", name, 801131623Sdes strerror(errno)); 802131623Sdes quit(23); 803131623Sdes } 804131623Sdes if (nlen != len) { 805131623Sdes fprintf(stderr, "top: sysctl(%s...) expected %lu, got %lu\n", name, 806131623Sdes (unsigned long)len, (unsigned long)nlen); 807131623Sdes quit(23); 808131623Sdes } 80924143Sjoerg} 81072951Srwatson 81138278Swosch/* comparison routines for qsort */ 81224143Sjoerg 813131402Salfredint 814131622Sdescompare_pid(const void *p1, const void *p2) 815131402Salfred{ 816131623Sdes const struct kinfo_proc * const *pp1 = p1; 817131623Sdes const struct kinfo_proc * const *pp2 = p2; 818131402Salfred 819131623Sdes if ((*pp2)->ki_pid < 0 || (*pp1)->ki_pid < 0) 820131623Sdes abort(); 821131402Salfred 822131623Sdes return ((*pp1)->ki_pid - (*pp2)->ki_pid); 823131402Salfred} 824131402Salfred 82524143Sjoerg/* 82624143Sjoerg * proc_compare - comparison function for "qsort" 82724143Sjoerg * Compares the resource consumption of two processes using five 828131620Sdes * distinct keys. The keys (in descending order of importance) are: 829131620Sdes * percent cpu, cpu ticks, state, resident set size, total virtual 830131620Sdes * memory usage. The process states are ordered as follows (from least 831131620Sdes * to most important): WAIT, zombie, sleep, stop, start, run. The 832131620Sdes * array declaration below maps a process state index into a number 833131620Sdes * that reflects this ordering. 83424143Sjoerg */ 83524143Sjoerg 836131626Sdesstatic int sorted_state[] = 83724143Sjoerg{ 838131623Sdes 0, /* not used */ 839131623Sdes 3, /* sleep */ 840131623Sdes 1, /* ABANDONED (WAIT) */ 841131623Sdes 6, /* run */ 842131623Sdes 5, /* start */ 843131623Sdes 2, /* zombie */ 844131623Sdes 4 /* stop */ 84524143Sjoerg}; 84638278Swosch 847131620Sdes 848131626Sdes#define ORDERKEY_PCTCPU(a, b) do { \ 849131627Sdes long diff = (long)(b)->ki_pctcpu - (long)(a)->ki_pctcpu; \ 850131626Sdes if (diff != 0) \ 851131626Sdes return (diff > 0 ? 1 : -1); \ 852131626Sdes} while (0) 85338278Swosch 854131626Sdes#define ORDERKEY_CPTICKS(a, b) do { \ 855131628Sdes int64_t diff = (int64_t)(b)->ki_runtime - (int64_t)(a)->ki_runtime; \ 856131626Sdes if (diff != 0) \ 857131626Sdes return (diff > 0 ? 1 : -1); \ 858131626Sdes} while (0) 85938278Swosch 860131626Sdes#define ORDERKEY_STATE(a, b) do { \ 861131626Sdes int diff = sorted_state[(b)->ki_stat] - sorted_state[(a)->ki_stat]; \ 862131626Sdes if (diff != 0) \ 863131626Sdes return (diff > 0 ? 1 : -1); \ 864131626Sdes} while (0) 86538278Swosch 866131626Sdes#define ORDERKEY_PRIO(a, b) do { \ 867131628Sdes int diff = (int)(b)->ki_pri.pri_level - (int)(a)->ki_pri.pri_level; \ 868131626Sdes if (diff != 0) \ 869131626Sdes return (diff > 0 ? 1 : -1); \ 870131626Sdes} while (0) 87138278Swosch 872145073Skeramida#define ORDERKEY_THREADS(a, b) do { \ 873145073Skeramida int diff = (int)(b)->ki_numthreads - (int)(a)->ki_numthreads; \ 874145073Skeramida if (diff != 0) \ 875145073Skeramida return (diff > 0 ? 1 : -1); \ 876145073Skeramida} while (0) 877145073Skeramida 878131626Sdes#define ORDERKEY_RSSIZE(a, b) do { \ 879131628Sdes long diff = (long)(b)->ki_rssize - (long)(a)->ki_rssize; \ 880131626Sdes if (diff != 0) \ 881131626Sdes return (diff > 0 ? 1 : -1); \ 882131626Sdes} while (0) 88338278Swosch 884131626Sdes#define ORDERKEY_MEM(a, b) do { \ 885131628Sdes long diff = (long)PROCSIZE((b)) - (long)PROCSIZE((a)); \ 886131626Sdes if (diff != 0) \ 887131626Sdes return (diff > 0 ? 1 : -1); \ 888131626Sdes} while (0) 88938278Swosch 89038278Swosch/* compare_cpu - the comparison function for sorting by cpu percentage */ 89138278Swosch 89224143Sjoergint 89338278Swosch#ifdef ORDER 894131626Sdescompare_cpu(void *arg1, void *arg2) 89538278Swosch#else 896131626Sdesproc_compare(void *arg1, void *arg2) 89738278Swosch#endif 89824143Sjoerg{ 899131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 900131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 90124143Sjoerg 902131626Sdes ORDERKEY_PCTCPU(p1, p2); 903131626Sdes ORDERKEY_CPTICKS(p1, p2); 904131626Sdes ORDERKEY_STATE(p1, p2); 905131626Sdes ORDERKEY_PRIO(p1, p2); 906131626Sdes ORDERKEY_RSSIZE(p1, p2); 907131626Sdes ORDERKEY_MEM(p1, p2); 90824143Sjoerg 909131626Sdes return (0); 91024143Sjoerg} 91124143Sjoerg 91238278Swosch#ifdef ORDER 91338278Swosch/* compare routines */ 914145073Skeramidaint compare_size(), compare_res(), compare_time(), compare_prio(), compare_threads(); 915133817Salfred/* io compare routines */ 916133817Salfredint compare_iototal(), compare_ioread(), compare_iowrite(), compare_iofault(), compare_vcsw(), compare_ivcsw(); 91724143Sjoerg 918133817Salfredint (*compares[])() = { 919131623Sdes compare_cpu, 920131623Sdes compare_size, 921131623Sdes compare_res, 922131623Sdes compare_time, 923131623Sdes compare_prio, 924145073Skeramida compare_threads, 925133817Salfred compare_iototal, 926133817Salfred compare_ioread, 927133817Salfred compare_iowrite, 928133817Salfred compare_iofault, 929133817Salfred compare_vcsw, 930133817Salfred compare_ivcsw, 931131623Sdes NULL 93238278Swosch}; 93338278Swosch 93438278Swosch/* compare_size - the comparison function for sorting by total memory usage */ 93538278Swosch 93638278Swoschint 937131626Sdescompare_size(void *arg1, void *arg2) 93838278Swosch{ 939131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 940131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 94138278Swosch 942131626Sdes ORDERKEY_MEM(p1, p2); 943131626Sdes ORDERKEY_RSSIZE(p1, p2); 944131626Sdes ORDERKEY_PCTCPU(p1, p2); 945131626Sdes ORDERKEY_CPTICKS(p1, p2); 946131626Sdes ORDERKEY_STATE(p1, p2); 947131626Sdes ORDERKEY_PRIO(p1, p2); 94838278Swosch 949131626Sdes return (0); 95038278Swosch} 95138278Swosch 95238278Swosch/* compare_res - the comparison function for sorting by resident set size */ 95338278Swosch 95438278Swoschint 955131626Sdescompare_res(void *arg1, void *arg2) 95638278Swosch{ 957131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 958131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 95938278Swosch 960131626Sdes ORDERKEY_RSSIZE(p1, p2); 961131626Sdes ORDERKEY_MEM(p1, p2); 962131626Sdes ORDERKEY_PCTCPU(p1, p2); 963131626Sdes ORDERKEY_CPTICKS(p1, p2); 964131626Sdes ORDERKEY_STATE(p1, p2); 965131626Sdes ORDERKEY_PRIO(p1, p2); 96638278Swosch 967131626Sdes return (0); 96838278Swosch} 96938278Swosch 97038278Swosch/* compare_time - the comparison function for sorting by total cpu time */ 97138278Swosch 97238278Swoschint 973131626Sdescompare_time(void *arg1, void *arg2) 974131310Salfred{ 975131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 976131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 97738278Swosch 978131626Sdes ORDERKEY_CPTICKS(p1, p2); 979131626Sdes ORDERKEY_PCTCPU(p1, p2); 980131626Sdes ORDERKEY_STATE(p1, p2); 981131626Sdes ORDERKEY_PRIO(p1, p2); 982131626Sdes ORDERKEY_RSSIZE(p1, p2); 983131626Sdes ORDERKEY_MEM(p1, p2); 98438278Swosch 985131626Sdes return (0); 986131623Sdes} 987131310Salfred 988131626Sdes/* compare_prio - the comparison function for sorting by priority */ 98938278Swosch 99038278Swoschint 991131626Sdescompare_prio(void *arg1, void *arg2) 99238278Swosch{ 993131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 994131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 99538278Swosch 996131626Sdes ORDERKEY_PRIO(p1, p2); 997131626Sdes ORDERKEY_CPTICKS(p1, p2); 998131626Sdes ORDERKEY_PCTCPU(p1, p2); 999131626Sdes ORDERKEY_STATE(p1, p2); 1000131626Sdes ORDERKEY_RSSIZE(p1, p2); 1001131626Sdes ORDERKEY_MEM(p1, p2); 100238278Swosch 1003131626Sdes return (0); 100438278Swosch} 1005145073Skeramida 1006145073Skeramida/* compare_threads - the comparison function for sorting by threads */ 1007145073Skeramidaint 1008145073Skeramidacompare_threads(void *arg1, void *arg2) 1009145073Skeramida{ 1010145073Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1011145073Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1012145073Skeramida 1013145073Skeramida ORDERKEY_THREADS(p1, p2); 1014145073Skeramida ORDERKEY_PCTCPU(p1, p2); 1015145073Skeramida ORDERKEY_CPTICKS(p1, p2); 1016145073Skeramida ORDERKEY_STATE(p1, p2); 1017145073Skeramida ORDERKEY_PRIO(p1, p2); 1018145073Skeramida ORDERKEY_RSSIZE(p1, p2); 1019145073Skeramida ORDERKEY_MEM(p1, p2); 1020145073Skeramida 1021145073Skeramida return (0); 1022145073Skeramida} 102338278Swosch#endif 102438278Swosch 1025131829Skeramida/* compare_io - the comparison function for sorting by total io */ 1026131829Skeramida 1027131402Salfredint 1028131829Skeramida#ifdef ORDER 1029131829Skeramidacompare_iototal(void *arg1, void *arg2) 1030131829Skeramida#else 1031131626Sdesio_compare(void *arg1, void *arg2) 1032131829Skeramida#endif 1033131402Salfred{ 1034131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1035131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1036131402Salfred 1037131626Sdes return (get_io_total(p2) - get_io_total(p1)); 1038131402Salfred} 1039131829Skeramida 1040131829Skeramida#ifdef ORDER 1041131829Skeramida 1042131829Skeramidaint 1043131829Skeramidacompare_ioread(void *arg1, void *arg2) 1044131829Skeramida{ 1045131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1046131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1047131829Skeramida long dummy, inp1, inp2; 1048131829Skeramida 1049133817Salfred (void) get_io_stats(p1, &inp1, &dummy, &dummy, &dummy, &dummy); 1050133817Salfred (void) get_io_stats(p2, &inp2, &dummy, &dummy, &dummy, &dummy); 1051131829Skeramida 1052131829Skeramida return (inp2 - inp1); 1053131829Skeramida} 1054131829Skeramida 1055131829Skeramidaint 1056131829Skeramidacompare_iowrite(void *arg1, void *arg2) 1057131829Skeramida{ 1058131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1059131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1060131829Skeramida long dummy, oup1, oup2; 1061131829Skeramida 1062133817Salfred (void) get_io_stats(p1, &dummy, &oup1, &dummy, &dummy, &dummy); 1063133817Salfred (void) get_io_stats(p2, &dummy, &oup2, &dummy, &dummy, &dummy); 1064131829Skeramida 1065131829Skeramida return (oup2 - oup1); 1066131829Skeramida} 1067131829Skeramida 1068131829Skeramidaint 1069131829Skeramidacompare_iofault(void *arg1, void *arg2) 1070131829Skeramida{ 1071131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1072131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1073131829Skeramida long dummy, flp1, flp2; 1074131829Skeramida 1075133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &flp1, &dummy, &dummy); 1076133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &flp2, &dummy, &dummy); 1077131829Skeramida 1078131829Skeramida return (flp2 - flp1); 1079131829Skeramida} 1080131829Skeramida 1081133817Salfredint 1082133817Salfredcompare_vcsw(void *arg1, void *arg2) 1083133817Salfred{ 1084133817Salfred struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1085133817Salfred struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1086133817Salfred long dummy, flp1, flp2; 1087133817Salfred 1088133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &dummy, &flp1, &dummy); 1089133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &dummy, &flp2, &dummy); 1090133817Salfred 1091133817Salfred return (flp2 - flp1); 1092133817Salfred} 1093133817Salfred 1094133817Salfredint 1095133817Salfredcompare_ivcsw(void *arg1, void *arg2) 1096133817Salfred{ 1097133817Salfred struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1098133817Salfred struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1099133817Salfred long dummy, flp1, flp2; 1100133817Salfred 1101133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &dummy, &dummy, &flp1); 1102133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &dummy, &dummy, &flp2); 1103133817Salfred 1104133817Salfred return (flp2 - flp1); 1105133817Salfred} 1106133817Salfred 1107131829Skeramida#endif /* ORDER */ 1108131829Skeramida 110924143Sjoerg/* 111024143Sjoerg * proc_owner(pid) - returns the uid that owns process "pid", or -1 if 111124143Sjoerg * the process does not exist. 111224143Sjoerg * It is EXTREMLY IMPORTANT that this function work correctly. 111324143Sjoerg * If top runs setuid root (as in SVR4), then this function 111424143Sjoerg * is the only thing that stands in the way of a serious 111524143Sjoerg * security problem. It validates requests for the "kill" 111624143Sjoerg * and "renice" commands. 111724143Sjoerg */ 111824143Sjoerg 1119131310Salfredint 1120131622Sdesproc_owner(int pid) 112124143Sjoerg{ 1122131623Sdes int cnt; 1123131623Sdes struct kinfo_proc **prefp; 1124131623Sdes struct kinfo_proc *pp; 112524143Sjoerg 1126131623Sdes prefp = pref; 1127131623Sdes cnt = pref_len; 1128131626Sdes while (--cnt >= 0) { 1129131623Sdes pp = *prefp++; 1130131623Sdes if (pp->ki_pid == (pid_t)pid) 1131131623Sdes return ((int)pp->ki_ruid); 113224143Sjoerg } 1133131623Sdes return (-1); 113424143Sjoerg} 113524143Sjoerg 113624143Sjoergint 1137131622Sdesswapmode(int *retavail, int *retfree) 113824143Sjoerg{ 113943053Sdillon int n; 114043053Sdillon int pagesize = getpagesize(); 114143053Sdillon struct kvm_swap swapary[1]; 114224143Sjoerg 114343053Sdillon *retavail = 0; 114443053Sdillon *retfree = 0; 114524143Sjoerg 114643053Sdillon#define CONVERT(v) ((quad_t)(v) * pagesize / 1024) 114724143Sjoerg 114843053Sdillon n = kvm_getswapinfo(kd, swapary, 1, 0); 114943697Sdillon if (n < 0 || swapary[0].ksw_total == 0) 1150131623Sdes return (0); 115124143Sjoerg 115243053Sdillon *retavail = CONVERT(swapary[0].ksw_total); 115343053Sdillon *retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used); 115424143Sjoerg 1155131626Sdes n = (int)(swapary[0].ksw_used * 100.0 / swapary[0].ksw_total); 1156131623Sdes return (n); 115743053Sdillon} 1158