machine.c revision 234416
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 234416 2012-04-18 10:23:42Z kib $ 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 38222136Spluknet#include <err.h> 39131621Sdes#include <kvm.h> 40131621Sdes#include <math.h> 41131621Sdes#include <nlist.h> 42131626Sdes#include <paths.h> 43131621Sdes#include <pwd.h> 44131621Sdes#include <stdio.h> 4524143Sjoerg#include <stdlib.h> 46144636Sstefanf#include <string.h> 47144636Sstefanf#include <strings.h> 4872951Srwatson#include <unistd.h> 49168710Sstas#include <vis.h> 5024143Sjoerg 5124143Sjoerg#include "top.h" 5224143Sjoerg#include "machine.h" 5369375Sjhb#include "screen.h" 5472951Srwatson#include "utils.h" 55175420Speter#include "layout.h" 5624143Sjoerg 5772951Srwatson#define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var)) 58146291Sobrien#define SMPUNAMELEN 13 59146291Sobrien#define UPUNAMELEN 15 6072951Srwatson 61145073Skeramidaextern struct process_select ps; 6292922Simpextern char* printable(char *); 6327340Speterstatic int smpmode; 64131402Salfredenum displaymodes displaymode; 65175195Sobrien#ifdef TOP_USERNAME_LEN 66175195Sobrienstatic int namelength = TOP_USERNAME_LEN; 67175195Sobrien#else 68146291Sobrienstatic int namelength = 8; 69175195Sobrien#endif 7069375Sjhbstatic int cmdlengthdelta; 7124143Sjoerg 7272951Srwatson/* Prototypes for top internals */ 7392922Simpvoid quit(int); 7424143Sjoerg 7524143Sjoerg/* get_process_info passes back a handle. This is what it looks like: */ 7624143Sjoerg 77158280Sbdestruct handle { 78131623Sdes struct kinfo_proc **next_proc; /* points to next valid proc pointer */ 79131623Sdes int remaining; /* number of pointers remaining */ 8024143Sjoerg}; 8124143Sjoerg 8224143Sjoerg/* declarations for load_avg */ 8324143Sjoerg#include "loadavg.h" 8424143Sjoerg 8524143Sjoerg/* define what weighted cpu is. */ 8669896Smckusick#define weighted_cpu(pct, pp) ((pp)->ki_swtime == 0 ? 0.0 : \ 8769896Smckusick ((pct) / (1.0 - exp((pp)->ki_swtime * logcpu)))) 8824143Sjoerg 8924143Sjoerg/* what we consider to be process size: */ 9069896Smckusick#define PROCSIZE(pp) ((pp)->ki_size / 1024) 9124143Sjoerg 92131402Salfred#define RU(pp) (&(pp)->ki_rusage) 93131402Salfred#define RUTOT(pp) \ 94131402Salfred (RU(pp)->ru_inblock + RU(pp)->ru_oublock + RU(pp)->ru_majflt) 95131402Salfred 96131402Salfred 9724143Sjoerg/* definitions for indices in the nlist array */ 9824143Sjoerg 9924143Sjoerg/* 10024143Sjoerg * These definitions control the format of the per-process area 10124143Sjoerg */ 10224143Sjoerg 103131402Salfredstatic char io_header[] = 104168799Srafan " PID%s %-*.*s VCSW IVCSW READ WRITE FAULT TOTAL PERCENT COMMAND"; 105131402Salfred 106131402Salfred#define io_Proc_format \ 107168799Srafan "%5d%s %-*.*s %6ld %6ld %6ld %6ld %6ld %6ld %6.2f%% %.*s" 108131402Salfred 109145073Skeramidastatic char smp_header_thr[] = 110186499Srpaulo " PID%s %-*.*s THR PRI NICE SIZE RES STATE C TIME %6s COMMAND"; 11127340Speterstatic char smp_header[] = 112186499Srpaulo " PID%s %-*.*s " "PRI NICE SIZE RES STATE C TIME %6s COMMAND"; 11324143Sjoerg 11427340Speter#define smp_Proc_format \ 115183526Sjhb "%5d%s %-*.*s %s%3d %4s%7s %6s %-6.6s %2d%7s %5.2f%% %.*s" 11624143Sjoerg 117145073Skeramidastatic char up_header_thr[] = 118168799Srafan " PID%s %-*.*s THR PRI NICE SIZE RES STATE TIME %6s COMMAND"; 11927340Speterstatic char up_header[] = 120168799Srafan " PID%s %-*.*s " "PRI NICE SIZE RES STATE TIME %6s COMMAND"; 12124143Sjoerg 12227340Speter#define up_Proc_format \ 123168799Srafan "%5d%s %-*.*s %s%3d %4s%7s %6s %-6.6s%.0d%7s %5.2f%% %.*s" 12424143Sjoerg 12524143Sjoerg 12624143Sjoerg/* process state names for the "STATE" column of the display */ 12724143Sjoerg/* the extra nulls in the string "run" are for adding a slash and 12824143Sjoerg the processor number when needed */ 12924143Sjoerg 130158280Sbdechar *state_abbrev[] = { 131131623Sdes "", "START", "RUN\0\0\0", "SLEEP", "STOP", "ZOMB", "WAIT", "LOCK" 13224143Sjoerg}; 13324143Sjoerg 13424143Sjoerg 13524143Sjoergstatic kvm_t *kd; 13624143Sjoerg 13724143Sjoerg/* values that we stash away in _init and use in later routines */ 13824143Sjoerg 13924143Sjoergstatic double logcpu; 14024143Sjoerg 14124143Sjoerg/* these are retrieved from the kernel in _init */ 14224143Sjoerg 14324143Sjoergstatic load_avg ccpu; 14424143Sjoerg 14572951Srwatson/* these are used in the get_ functions */ 14624143Sjoerg 14772951Srwatsonstatic int lastpid; 14824143Sjoerg 14924143Sjoerg/* these are for calculating cpu state percentages */ 15024143Sjoerg 15124143Sjoergstatic long cp_time[CPUSTATES]; 15224143Sjoergstatic long cp_old[CPUSTATES]; 15324143Sjoergstatic long cp_diff[CPUSTATES]; 15424143Sjoerg 15524143Sjoerg/* these are for detailing the process states */ 15624143Sjoerg 15765557Sjasoneint process_states[8]; 15824143Sjoergchar *procstatenames[] = { 159131623Sdes "", " starting, ", " running, ", " sleeping, ", " stopped, ", 160131623Sdes " zombie, ", " waiting, ", " lock, ", 161131623Sdes NULL 16224143Sjoerg}; 16324143Sjoerg 16424143Sjoerg/* these are for detailing the cpu states */ 16524143Sjoerg 16624143Sjoergint cpu_states[CPUSTATES]; 16724143Sjoergchar *cpustatenames[] = { 168131623Sdes "user", "nice", "system", "interrupt", "idle", NULL 16924143Sjoerg}; 17024143Sjoerg 17124143Sjoerg/* these are for detailing the memory statistics */ 17224143Sjoerg 17324143Sjoergint memory_stats[7]; 17424143Sjoergchar *memorynames[] = { 175158280Sbde "K Active, ", "K Inact, ", "K Wired, ", "K Cache, ", "K Buf, ", 176158280Sbde "K Free", NULL 17724143Sjoerg}; 17824143Sjoerg 17924143Sjoergint swap_stats[7]; 18024143Sjoergchar *swapnames[] = { 181131623Sdes "K Total, ", "K Used, ", "K Free, ", "% Inuse, ", "K In, ", "K Out", 182131623Sdes NULL 18324143Sjoerg}; 18424143Sjoerg 18524143Sjoerg 18624143Sjoerg/* these are for keeping track of the proc array */ 18724143Sjoerg 18824143Sjoergstatic int nproc; 18924143Sjoergstatic int onproc = -1; 19024143Sjoergstatic int pref_len; 19124143Sjoergstatic struct kinfo_proc *pbase; 19224143Sjoergstatic struct kinfo_proc **pref; 193131402Salfredstatic struct kinfo_proc *previous_procs; 194131402Salfredstatic struct kinfo_proc **previous_pref; 195131402Salfredstatic int previous_proc_count = 0; 196131402Salfredstatic int previous_proc_count_max = 0; 19724143Sjoerg 198131412Salfred/* total number of io operations */ 199131412Salfredstatic long total_inblock; 200131412Salfredstatic long total_oublock; 201131412Salfredstatic long total_majflt; 202131412Salfred 20324143Sjoerg/* these are for getting the memory statistics */ 20424143Sjoerg 20524143Sjoergstatic int pageshift; /* log base 2 of the pagesize */ 20624143Sjoerg 20724143Sjoerg/* define pagetok in terms of pageshift */ 20824143Sjoerg 20924143Sjoerg#define pagetok(size) ((size) << pageshift) 21024143Sjoerg 21124143Sjoerg/* useful externals */ 21224143Sjoerglong percentages(); 21324143Sjoerg 21438278Swosch#ifdef ORDER 215131829Skeramida/* 216145073Skeramida * Sorting orders. The first element is the default. 217131829Skeramida */ 218133817Salfredchar *ordernames[] = { 219145073Skeramida "cpu", "size", "res", "time", "pri", "threads", 220168799Srafan "total", "read", "write", "fault", "vcsw", "ivcsw", 221168799Srafan "jid", NULL 22238278Swosch}; 22338278Swosch#endif 22438278Swosch 225175420Speter/* Per-cpu time states */ 226175420Speterstatic int maxcpu; 227175420Speterstatic int maxid; 228175420Speterstatic int ncpus; 229175420Speterstatic u_long cpumask; 230175420Speterstatic long *times; 231175420Speterstatic long *pcpu_cp_time; 232175420Speterstatic long *pcpu_cp_old; 233175420Speterstatic long *pcpu_cp_diff; 234175420Speterstatic int *pcpu_cpu_states; 235175420Speter 236168799Srafanstatic int compare_jid(const void *a, const void *b); 237158282Sbdestatic int compare_pid(const void *a, const void *b); 238224188Sjhbstatic int compare_tid(const void *a, const void *b); 239158282Sbdestatic const char *format_nice(const struct kinfo_proc *pp); 240158282Sbdestatic void getsysctl(const char *name, void *ptr, size_t len); 241158282Sbdestatic int swapmode(int *retavail, int *retfree); 242158282Sbde 243223936Sjhbvoid 244224205Sjhbtoggle_pcpustats(void) 245223936Sjhb{ 246223936Sjhb 247223936Sjhb if (ncpus == 1) 248223936Sjhb return; 249223936Sjhb 250223936Sjhb /* Adjust display based on ncpus */ 251223936Sjhb if (pcpu_stats) { 252223936Sjhb y_mem += ncpus - 1; /* 3 */ 253223936Sjhb y_swap += ncpus - 1; /* 4 */ 254223936Sjhb y_idlecursor += ncpus - 1; /* 5 */ 255223936Sjhb y_message += ncpus - 1; /* 5 */ 256223936Sjhb y_header += ncpus - 1; /* 6 */ 257223936Sjhb y_procs += ncpus - 1; /* 7 */ 258223936Sjhb Header_lines += ncpus - 1; /* 7 */ 259223936Sjhb } else { 260223936Sjhb y_mem = 3; 261223936Sjhb y_swap = 4; 262223936Sjhb y_idlecursor = 5; 263223936Sjhb y_message = 5; 264223936Sjhb y_header = 6; 265223936Sjhb y_procs = 7; 266223936Sjhb Header_lines = 7; 267223936Sjhb } 268223936Sjhb} 269223936Sjhb 27024143Sjoergint 271175195Sobrienmachine_init(struct statics *statics, char do_unames) 27224143Sjoerg{ 273223936Sjhb int i, j, empty, pagesize; 274223936Sjhb size_t size; 275131623Sdes struct passwd *pw; 27624143Sjoerg 277223936Sjhb size = sizeof(smpmode); 278223936Sjhb if ((sysctlbyname("machdep.smp_active", &smpmode, &size, 279158280Sbde NULL, 0) != 0 && 280223936Sjhb sysctlbyname("kern.smp.active", &smpmode, &size, 281158280Sbde NULL, 0) != 0) || 282223936Sjhb size != sizeof(smpmode)) 283131623Sdes smpmode = 0; 28427340Speter 285175195Sobrien if (do_unames) { 286175195Sobrien while ((pw = getpwent()) != NULL) { 287131623Sdes if (strlen(pw->pw_name) > namelength) 288131623Sdes namelength = strlen(pw->pw_name); 289175195Sobrien } 290131623Sdes } 291146291Sobrien if (smpmode && namelength > SMPUNAMELEN) 292146291Sobrien namelength = SMPUNAMELEN; 293146291Sobrien else if (namelength > UPUNAMELEN) 294146291Sobrien namelength = UPUNAMELEN; 29527390Speter 296131626Sdes kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open"); 297131626Sdes if (kd == NULL) 298131626Sdes return (-1); 29924143Sjoerg 300131623Sdes GETSYSCTL("kern.ccpu", ccpu); 30124143Sjoerg 302131623Sdes /* this is used in calculating WCPU -- calculate it ahead of time */ 303131623Sdes logcpu = log(loaddouble(ccpu)); 30424143Sjoerg 305131623Sdes pbase = NULL; 306131623Sdes pref = NULL; 307131623Sdes nproc = 0; 308131623Sdes onproc = -1; 309158280Sbde 310158280Sbde /* get the page size and calculate pageshift from it */ 311131623Sdes pagesize = getpagesize(); 312131623Sdes pageshift = 0; 313131626Sdes while (pagesize > 1) { 314131623Sdes pageshift++; 315131623Sdes pagesize >>= 1; 316131623Sdes } 31724143Sjoerg 318131623Sdes /* we only need the amount of log(2)1024 for our conversion */ 319131623Sdes pageshift -= LOG1024; 32024143Sjoerg 321131623Sdes /* fill in the statics information */ 322131623Sdes statics->procstate_names = procstatenames; 323131623Sdes statics->cpustate_names = cpustatenames; 324131623Sdes statics->memory_names = memorynames; 325131623Sdes statics->swap_names = swapnames; 32638278Swosch#ifdef ORDER 327133817Salfred statics->order_names = ordernames; 32838278Swosch#endif 32924143Sjoerg 330223936Sjhb /* Allocate state for per-CPU stats. */ 331223936Sjhb cpumask = 0; 332223936Sjhb ncpus = 0; 333223936Sjhb GETSYSCTL("kern.smp.maxcpus", maxcpu); 334223936Sjhb size = sizeof(long) * maxcpu * CPUSTATES; 335223936Sjhb times = malloc(size); 336223936Sjhb if (times == NULL) 337223936Sjhb err(1, "malloc %zd bytes", size); 338223936Sjhb if (sysctlbyname("kern.cp_times", times, &size, NULL, 0) == -1) 339223936Sjhb err(1, "sysctlbyname kern.cp_times"); 340223936Sjhb pcpu_cp_time = calloc(1, size); 341223936Sjhb maxid = (size / CPUSTATES / sizeof(long)) - 1; 342223936Sjhb for (i = 0; i <= maxid; i++) { 343223936Sjhb empty = 1; 344223936Sjhb for (j = 0; empty && j < CPUSTATES; j++) { 345223936Sjhb if (times[i * CPUSTATES + j] != 0) 346223936Sjhb empty = 0; 347175420Speter } 348223936Sjhb if (!empty) { 349223936Sjhb cpumask |= (1ul << i); 350223936Sjhb ncpus++; 351175420Speter } 352175420Speter } 353223936Sjhb size = sizeof(long) * ncpus * CPUSTATES; 354223936Sjhb pcpu_cp_old = calloc(1, size); 355223936Sjhb pcpu_cp_diff = calloc(1, size); 356223936Sjhb pcpu_cpu_states = calloc(1, size); 357224205Sjhb statics->ncpus = ncpus; 358175420Speter 359223936Sjhb if (pcpu_stats) 360224205Sjhb toggle_pcpustats(); 361223936Sjhb 362131623Sdes /* all done! */ 363131623Sdes return (0); 36424143Sjoerg} 36524143Sjoerg 366131310Salfredchar * 367131622Sdesformat_header(char *uname_field) 36824143Sjoerg{ 369131623Sdes static char Header[128]; 370131623Sdes const char *prehead; 37124143Sjoerg 372131623Sdes switch (displaymode) { 373131623Sdes case DISP_CPU: 374145073Skeramida /* 375145073Skeramida * The logic of picking the right header format seems reverse 376145073Skeramida * here because we only want to display a THR column when 377145073Skeramida * "thread mode" is off (and threads are not listed as 378145073Skeramida * separate lines). 379145073Skeramida */ 380145073Skeramida prehead = smpmode ? 381145073Skeramida (ps.thread ? smp_header : smp_header_thr) : 382145073Skeramida (ps.thread ? up_header : up_header_thr); 383146342Skeramida snprintf(Header, sizeof(Header), prehead, 384168799Srafan ps.jail ? " JID" : "", 385146342Skeramida namelength, namelength, uname_field, 386146342Skeramida ps.wcpu ? "WCPU" : "CPU"); 387131623Sdes break; 388131623Sdes case DISP_IO: 389131623Sdes prehead = io_header; 390146342Skeramida snprintf(Header, sizeof(Header), prehead, 391168799Srafan ps.jail ? " JID" : "", 392146342Skeramida namelength, namelength, uname_field); 393131623Sdes break; 394131623Sdes } 395131623Sdes cmdlengthdelta = strlen(Header) - 7; 396131623Sdes return (Header); 39724143Sjoerg} 39824143Sjoerg 39924143Sjoergstatic int swappgsin = -1; 40024143Sjoergstatic int swappgsout = -1; 40124143Sjoergextern struct timeval timeout; 40224143Sjoerg 403175420Speter 40424143Sjoergvoid 405131622Sdesget_system_info(struct system_info *si) 40624143Sjoerg{ 407131623Sdes long total; 408131623Sdes struct loadavg sysload; 409131623Sdes int mib[2]; 410131623Sdes struct timeval boottime; 411131623Sdes size_t bt_size; 412175420Speter int i, j; 413175420Speter size_t size; 41424143Sjoerg 415223936Sjhb /* get the CPU stats */ 416223936Sjhb size = (maxid + 1) * CPUSTATES * sizeof(long); 417223936Sjhb if (sysctlbyname("kern.cp_times", pcpu_cp_time, &size, NULL, 0) == -1) 418223936Sjhb err(1, "sysctlbyname kern.cp_times"); 419223936Sjhb GETSYSCTL("kern.cp_time", cp_time); 420131623Sdes GETSYSCTL("vm.loadavg", sysload); 421131623Sdes GETSYSCTL("kern.lastpid", lastpid); 42224143Sjoerg 423131623Sdes /* convert load averages to doubles */ 424131626Sdes for (i = 0; i < 3; i++) 425131626Sdes si->load_avg[i] = (double)sysload.ldavg[i] / sysload.fscale; 42624143Sjoerg 427223936Sjhb /* convert cp_time counts to percentages */ 428223936Sjhb for (i = j = 0; i <= maxid; i++) { 429223936Sjhb if ((cpumask & (1ul << i)) == 0) 430223936Sjhb continue; 431223936Sjhb percentages(CPUSTATES, &pcpu_cpu_states[j * CPUSTATES], 432223936Sjhb &pcpu_cp_time[j * CPUSTATES], 433223936Sjhb &pcpu_cp_old[j * CPUSTATES], 434223936Sjhb &pcpu_cp_diff[j * CPUSTATES]); 435223936Sjhb j++; 436175420Speter } 437223936Sjhb percentages(CPUSTATES, cpu_states, cp_time, cp_old, cp_diff); 43824143Sjoerg 439131623Sdes /* sum memory & swap statistics */ 440131623Sdes { 441131623Sdes static unsigned int swap_delay = 0; 442131623Sdes static int swapavail = 0; 443131623Sdes static int swapfree = 0; 444189626Sjhb static long bufspace = 0; 445131623Sdes static int nspgsin, nspgsout; 44624143Sjoerg 447131623Sdes GETSYSCTL("vfs.bufspace", bufspace); 448131623Sdes GETSYSCTL("vm.stats.vm.v_active_count", memory_stats[0]); 449131623Sdes GETSYSCTL("vm.stats.vm.v_inactive_count", memory_stats[1]); 450131623Sdes GETSYSCTL("vm.stats.vm.v_wire_count", memory_stats[2]); 451131623Sdes GETSYSCTL("vm.stats.vm.v_cache_count", memory_stats[3]); 452131623Sdes GETSYSCTL("vm.stats.vm.v_free_count", memory_stats[5]); 453131623Sdes GETSYSCTL("vm.stats.vm.v_swappgsin", nspgsin); 454131623Sdes GETSYSCTL("vm.stats.vm.v_swappgsout", nspgsout); 455131623Sdes /* convert memory stats to Kbytes */ 456131623Sdes memory_stats[0] = pagetok(memory_stats[0]); 457131623Sdes memory_stats[1] = pagetok(memory_stats[1]); 458131623Sdes memory_stats[2] = pagetok(memory_stats[2]); 459131623Sdes memory_stats[3] = pagetok(memory_stats[3]); 460131623Sdes memory_stats[4] = bufspace / 1024; 461131623Sdes memory_stats[5] = pagetok(memory_stats[5]); 462131623Sdes memory_stats[6] = -1; 46324143Sjoerg 464131623Sdes /* first interval */ 465131623Sdes if (swappgsin < 0) { 466131623Sdes swap_stats[4] = 0; 467131623Sdes swap_stats[5] = 0; 468131623Sdes } 46924143Sjoerg 470131623Sdes /* compute differences between old and new swap statistic */ 471131623Sdes else { 472131623Sdes swap_stats[4] = pagetok(((nspgsin - swappgsin))); 473131623Sdes swap_stats[5] = pagetok(((nspgsout - swappgsout))); 474131623Sdes } 47524143Sjoerg 476131623Sdes swappgsin = nspgsin; 477131623Sdes swappgsout = nspgsout; 47824143Sjoerg 479131623Sdes /* call CPU heavy swapmode() only for changes */ 480131623Sdes if (swap_stats[4] > 0 || swap_stats[5] > 0 || swap_delay == 0) { 481131623Sdes swap_stats[3] = swapmode(&swapavail, &swapfree); 482131623Sdes swap_stats[0] = swapavail; 483131623Sdes swap_stats[1] = swapavail - swapfree; 484131623Sdes swap_stats[2] = swapfree; 485131623Sdes } 486131623Sdes swap_delay = 1; 487131623Sdes swap_stats[6] = -1; 48824143Sjoerg } 48924143Sjoerg 490131623Sdes /* set arrays and strings */ 491175420Speter if (pcpu_stats) { 492175420Speter si->cpustates = pcpu_cpu_states; 493175420Speter si->ncpus = ncpus; 494175420Speter } else { 495175420Speter si->cpustates = cpu_states; 496175420Speter si->ncpus = 1; 497175420Speter } 498131623Sdes si->memory = memory_stats; 499131623Sdes si->swap = swap_stats; 50024143Sjoerg 50124143Sjoerg 502131623Sdes if (lastpid > 0) { 503131623Sdes si->last_pid = lastpid; 504131623Sdes } else { 505131623Sdes si->last_pid = -1; 506131623Sdes } 50742447Sobrien 508131623Sdes /* 509131623Sdes * Print how long system has been up. 510131623Sdes * (Found by looking getting "boottime" from the kernel) 511131623Sdes */ 512131623Sdes mib[0] = CTL_KERN; 513131623Sdes mib[1] = KERN_BOOTTIME; 514131623Sdes bt_size = sizeof(boottime); 515131623Sdes if (sysctl(mib, 2, &boottime, &bt_size, NULL, 0) != -1 && 516131623Sdes boottime.tv_sec != 0) { 517131623Sdes si->boottime = boottime; 518131623Sdes } else { 519131623Sdes si->boottime.tv_sec = -1; 520131623Sdes } 52124143Sjoerg} 52224143Sjoerg 523132015Salfred#define NOPROC ((void *)-1) 524132015Salfred 525132955Salfred/* 526132955Salfred * We need to compare data from the old process entry with the new 527132955Salfred * process entry. 528132955Salfred * To facilitate doing this quickly we stash a pointer in the kinfo_proc 529132955Salfred * structure to cache the mapping. We also use a negative cache pointer 530132955Salfred * of NOPROC to avoid duplicate lookups. 531132955Salfred * XXX: this could be done when the actual processes are fetched, we do 532132955Salfred * it here out of laziness. 533132955Salfred */ 534131402Salfredconst struct kinfo_proc * 535131402Salfredget_old_proc(struct kinfo_proc *pp) 536131402Salfred{ 537131402Salfred struct kinfo_proc **oldpp, *oldp; 538131402Salfred 539132955Salfred /* 540132955Salfred * If this is the first fetch of the kinfo_procs then we don't have 541132955Salfred * any previous entries. 542132955Salfred */ 543131402Salfred if (previous_proc_count == 0) 544131402Salfred return (NULL); 545132955Salfred /* negative cache? */ 546132015Salfred if (pp->ki_udata == NOPROC) 547132015Salfred return (NULL); 548132955Salfred /* cached? */ 549132015Salfred if (pp->ki_udata != NULL) 550132015Salfred return (pp->ki_udata); 551132955Salfred /* 552132955Salfred * Not cached, 553132955Salfred * 1) look up based on pid. 554132955Salfred * 2) compare process start. 555132955Salfred * If we fail here, then setup a negative cache entry, otherwise 556132955Salfred * cache it. 557132955Salfred */ 558131402Salfred oldpp = bsearch(&pp, previous_pref, previous_proc_count, 559224188Sjhb sizeof(*previous_pref), ps.thread ? compare_tid : compare_pid); 560132015Salfred if (oldpp == NULL) { 561132015Salfred pp->ki_udata = NOPROC; 562131402Salfred return (NULL); 563132015Salfred } 564131402Salfred oldp = *oldpp; 565132015Salfred if (bcmp(&oldp->ki_start, &pp->ki_start, sizeof(pp->ki_start)) != 0) { 566132015Salfred pp->ki_udata = NOPROC; 567131402Salfred return (NULL); 568132015Salfred } 569132015Salfred pp->ki_udata = oldp; 570131402Salfred return (oldp); 571131402Salfred} 572131402Salfred 573132955Salfred/* 574132955Salfred * Return the total amount of IO done in blocks in/out and faults. 575132955Salfred * store the values individually in the pointers passed in. 576132955Salfred */ 577131402Salfredlong 578158280Sbdeget_io_stats(struct kinfo_proc *pp, long *inp, long *oup, long *flp, 579158280Sbde long *vcsw, long *ivcsw) 580131402Salfred{ 581131402Salfred const struct kinfo_proc *oldp; 582131402Salfred static struct kinfo_proc dummy; 583131402Salfred long ret; 584131402Salfred 585131402Salfred oldp = get_old_proc(pp); 586131402Salfred if (oldp == NULL) { 587131402Salfred bzero(&dummy, sizeof(dummy)); 588131402Salfred oldp = &dummy; 589131402Salfred } 590131412Salfred *inp = RU(pp)->ru_inblock - RU(oldp)->ru_inblock; 591131412Salfred *oup = RU(pp)->ru_oublock - RU(oldp)->ru_oublock; 592131412Salfred *flp = RU(pp)->ru_majflt - RU(oldp)->ru_majflt; 593133817Salfred *vcsw = RU(pp)->ru_nvcsw - RU(oldp)->ru_nvcsw; 594133817Salfred *ivcsw = RU(pp)->ru_nivcsw - RU(oldp)->ru_nivcsw; 595131402Salfred ret = 596131402Salfred (RU(pp)->ru_inblock - RU(oldp)->ru_inblock) + 597131402Salfred (RU(pp)->ru_oublock - RU(oldp)->ru_oublock) + 598131402Salfred (RU(pp)->ru_majflt - RU(oldp)->ru_majflt); 599131402Salfred return (ret); 600131402Salfred} 601131402Salfred 602132955Salfred/* 603132955Salfred * Return the total number of block in/out and faults by a process. 604132955Salfred */ 605131412Salfredlong 606131412Salfredget_io_total(struct kinfo_proc *pp) 607131412Salfred{ 608131412Salfred long dummy; 609131412Salfred 610133817Salfred return (get_io_stats(pp, &dummy, &dummy, &dummy, &dummy, &dummy)); 611131412Salfred} 612131412Salfred 61324143Sjoergstatic struct handle handle; 61424143Sjoerg 615131310Salfredcaddr_t 616131622Sdesget_process_info(struct system_info *si, struct process_select *sel, 617131626Sdes int (*compare)(const void *, const void *)) 61824143Sjoerg{ 619131623Sdes int i; 620131623Sdes int total_procs; 621131623Sdes long p_io; 622133817Salfred long p_inblock, p_oublock, p_majflt, p_vcsw, p_ivcsw; 623131623Sdes int active_procs; 624131623Sdes struct kinfo_proc **prefp; 625131623Sdes struct kinfo_proc *pp; 62624143Sjoerg 627131623Sdes /* these are copied out of sel for speed */ 628131623Sdes int show_idle; 629131623Sdes int show_self; 630131623Sdes int show_system; 631131623Sdes int show_uid; 632131623Sdes int show_command; 633222530Sjhb int show_kidle; 63424143Sjoerg 635131623Sdes /* 636131623Sdes * Save the previous process info. 637131623Sdes */ 638131623Sdes if (previous_proc_count_max < nproc) { 639131623Sdes free(previous_procs); 640131626Sdes previous_procs = malloc(nproc * sizeof(*previous_procs)); 641131623Sdes free(previous_pref); 642131626Sdes previous_pref = malloc(nproc * sizeof(*previous_pref)); 643131623Sdes if (previous_procs == NULL || previous_pref == NULL) { 644131623Sdes (void) fprintf(stderr, "top: Out of memory.\n"); 645131623Sdes quit(23); 646131623Sdes } 647131623Sdes previous_proc_count_max = nproc; 648131623Sdes } 649131623Sdes if (nproc) { 650131623Sdes for (i = 0; i < nproc; i++) 651131623Sdes previous_pref[i] = &previous_procs[i]; 652131626Sdes bcopy(pbase, previous_procs, nproc * sizeof(*previous_procs)); 653158280Sbde qsort(previous_pref, nproc, sizeof(*previous_pref), 654224188Sjhb ps.thread ? compare_tid : compare_pid); 655131623Sdes } 656131623Sdes previous_proc_count = nproc; 657131402Salfred 658224062Sjhb pbase = kvm_getprocs(kd, sel->thread ? KERN_PROC_ALL : KERN_PROC_PROC, 659224062Sjhb 0, &nproc); 660131623Sdes if (nproc > onproc) 661131626Sdes pref = realloc(pref, sizeof(*pref) * (onproc = nproc)); 662131623Sdes if (pref == NULL || pbase == NULL) { 663131623Sdes (void) fprintf(stderr, "top: Out of memory.\n"); 664131623Sdes quit(23); 665131623Sdes } 666131623Sdes /* get a pointer to the states summary array */ 667131623Sdes si->procstates = process_states; 66824143Sjoerg 669131623Sdes /* set up flags which define what we are going to select */ 670131623Sdes show_idle = sel->idle; 671132024Sdes show_self = sel->self == -1; 672131623Sdes show_system = sel->system; 673131623Sdes show_uid = sel->uid != -1; 674131623Sdes show_command = sel->command != NULL; 675222530Sjhb show_kidle = sel->kidle; 67624143Sjoerg 677131623Sdes /* count up process states and get pointers to interesting procs */ 678131623Sdes total_procs = 0; 679131623Sdes active_procs = 0; 680131623Sdes total_inblock = 0; 681131623Sdes total_oublock = 0; 682131623Sdes total_majflt = 0; 683131623Sdes memset((char *)process_states, 0, sizeof(process_states)); 684131623Sdes prefp = pref; 685131626Sdes for (pp = pbase, i = 0; i < nproc; pp++, i++) { 686131619Sdes 687131623Sdes if (pp->ki_stat == 0) 688132024Sdes /* not in use */ 689132024Sdes continue; 690131619Sdes 691131623Sdes if (!show_self && pp->ki_pid == sel->self) 692131623Sdes /* skip self */ 693131623Sdes continue; 694131619Sdes 695131623Sdes if (!show_system && (pp->ki_flag & P_SYSTEM)) 696131623Sdes /* skip system process */ 697131623Sdes continue; 698131619Sdes 699158280Sbde p_io = get_io_stats(pp, &p_inblock, &p_oublock, &p_majflt, 700158280Sbde &p_vcsw, &p_ivcsw); 701131623Sdes total_inblock += p_inblock; 702131623Sdes total_oublock += p_oublock; 703131623Sdes total_majflt += p_majflt; 704131623Sdes total_procs++; 705131626Sdes process_states[pp->ki_stat]++; 706131619Sdes 707131623Sdes if (pp->ki_stat == SZOMB) 708131623Sdes /* skip zombies */ 709131623Sdes continue; 710131619Sdes 711223841Sjhb if (!show_kidle && pp->ki_tdflags & TDF_IDLETD) 712223841Sjhb /* skip kernel idle process */ 713223841Sjhb continue; 714223841Sjhb 715131623Sdes if (displaymode == DISP_CPU && !show_idle && 716159520Sse (pp->ki_pctcpu == 0 || 717159520Sse pp->ki_stat == SSTOP || pp->ki_stat == SIDL)) 718131623Sdes /* skip idle or non-running processes */ 719131623Sdes continue; 720131619Sdes 721131623Sdes if (displaymode == DISP_IO && !show_idle && p_io == 0) 722131623Sdes /* skip processes that aren't doing I/O */ 723131623Sdes continue; 724131619Sdes 725131623Sdes if (show_uid && pp->ki_ruid != (uid_t)sel->uid) 726158280Sbde /* skip proc. that don't belong to the selected UID */ 727131623Sdes continue; 728131619Sdes 729224062Sjhb *prefp++ = pp; 730224062Sjhb active_procs++; 731131623Sdes } 732131623Sdes 733131623Sdes /* if requested, sort the "interesting" processes */ 734131623Sdes if (compare != NULL) 735131626Sdes qsort(pref, active_procs, sizeof(*pref), compare); 73624143Sjoerg 737131623Sdes /* remember active and total counts */ 738131623Sdes si->p_total = total_procs; 739131623Sdes si->p_active = pref_len = active_procs; 74024143Sjoerg 741131623Sdes /* pass back a handle */ 742131623Sdes handle.next_proc = pref; 743131623Sdes handle.remaining = active_procs; 744131623Sdes return ((caddr_t)&handle); 74524143Sjoerg} 74624143Sjoerg 747131626Sdesstatic char fmt[128]; /* static area where result is built */ 74824143Sjoerg 749131310Salfredchar * 750168710Sstasformat_next_process(caddr_t handle, char *(*get_userid)(int), int flags) 75124143Sjoerg{ 752131623Sdes struct kinfo_proc *pp; 753131623Sdes const struct kinfo_proc *oldp; 754131623Sdes long cputime; 755131623Sdes double pct; 756131623Sdes struct handle *hp; 757131623Sdes char status[16]; 758131623Sdes int state; 759131623Sdes struct rusage ru, *rup; 760131623Sdes long p_tot, s_tot; 761168799Srafan char *proc_fmt, thr_buf[6], jid_buf[6]; 762168710Sstas char *cmdbuf = NULL; 763168710Sstas char **args; 76424143Sjoerg 765131623Sdes /* find and remember the next proc structure */ 766131623Sdes hp = (struct handle *)handle; 767131623Sdes pp = *(hp->next_proc++); 768131623Sdes hp->remaining--; 769131620Sdes 770131623Sdes /* get the process's command name */ 771172207Sjeff if ((pp->ki_flag & P_INMEM) == 0) { 772131623Sdes /* 773131623Sdes * Print swapped processes as <pname> 774131623Sdes */ 775158280Sbde size_t len; 776158280Sbde 777158280Sbde len = strlen(pp->ki_comm); 778131626Sdes if (len > sizeof(pp->ki_comm) - 3) 779131626Sdes len = sizeof(pp->ki_comm) - 3; 780131626Sdes memmove(pp->ki_comm + 1, pp->ki_comm, len); 781131626Sdes pp->ki_comm[0] = '<'; 782131626Sdes pp->ki_comm[len + 1] = '>'; 783131626Sdes pp->ki_comm[len + 2] = '\0'; 784131623Sdes } 785131623Sdes 78624143Sjoerg /* 787131623Sdes * Convert the process's runtime from microseconds to seconds. This 788131623Sdes * time includes the interrupt time although that is not wanted here. 789131623Sdes * ps(1) is similarly sloppy. 79024143Sjoerg */ 791131623Sdes cputime = (pp->ki_runtime + 500000) / 1000000; 79224143Sjoerg 793131623Sdes /* calculate the base for cpu percentages */ 794131623Sdes pct = pctdouble(pp->ki_pctcpu); 79524143Sjoerg 796131623Sdes /* generate "STATE" field */ 797131623Sdes switch (state = pp->ki_stat) { 79824143Sjoerg case SRUN: 799131623Sdes if (smpmode && pp->ki_oncpu != 0xff) 800131623Sdes sprintf(status, "CPU%d", pp->ki_oncpu); 801131623Sdes else 802131623Sdes strcpy(status, "RUN"); 803131623Sdes break; 804104388Sjhb case SLOCK: 805131623Sdes if (pp->ki_kiflag & KI_LOCKBLOCK) { 806131623Sdes sprintf(status, "*%.6s", pp->ki_lockname); 807131623Sdes break; 808131623Sdes } 809131623Sdes /* fall through */ 81024143Sjoerg case SSLEEP: 811131623Sdes if (pp->ki_wmesg != NULL) { 812131623Sdes sprintf(status, "%.6s", pp->ki_wmesg); 813131623Sdes break; 814131623Sdes } 815131623Sdes /* FALLTHROUGH */ 81624143Sjoerg default: 81743720Sfenner 818131623Sdes if (state >= 0 && 819131623Sdes state < sizeof(state_abbrev) / sizeof(*state_abbrev)) 820131626Sdes sprintf(status, "%.6s", state_abbrev[state]); 821131623Sdes else 822131623Sdes sprintf(status, "?%5d", state); 823131623Sdes break; 824131623Sdes } 82524143Sjoerg 826168710Sstas cmdbuf = (char *)malloc(cmdlengthdelta + 1); 827168710Sstas if (cmdbuf == NULL) { 828168710Sstas warn("malloc(%d)", cmdlengthdelta + 1); 829168710Sstas return NULL; 830168710Sstas } 831168710Sstas 832168710Sstas if (!(flags & FMT_SHOWARGS)) { 833173004Sjulian if (ps.thread && pp->ki_flag & P_HADTHREADS && 834224199Sbz pp->ki_tdname[0]) { 835224202Sbz snprintf(cmdbuf, cmdlengthdelta, "%s{%s}", pp->ki_comm, 836224202Sbz pp->ki_tdname); 837173004Sjulian } else { 838173004Sjulian snprintf(cmdbuf, cmdlengthdelta, "%s", pp->ki_comm); 839168710Sstas } 840173004Sjulian } else { 841173004Sjulian if (pp->ki_flag & P_SYSTEM || 842173004Sjulian pp->ki_args == NULL || 843173004Sjulian (args = kvm_getargv(kd, pp, cmdlengthdelta)) == NULL || 844173004Sjulian !(*args)) { 845173004Sjulian if (ps.thread && pp->ki_flag & P_HADTHREADS && 846224199Sbz pp->ki_tdname[0]) { 847173004Sjulian snprintf(cmdbuf, cmdlengthdelta, 848224202Sbz "[%s{%s}]", pp->ki_comm, pp->ki_tdname); 849173004Sjulian } else { 850173004Sjulian snprintf(cmdbuf, cmdlengthdelta, 851173004Sjulian "[%s]", pp->ki_comm); 852173004Sjulian } 853173004Sjulian } else { 854173004Sjulian char *src, *dst, *argbuf; 855173004Sjulian char *cmd; 856173004Sjulian size_t argbuflen; 857173004Sjulian size_t len; 858168710Sstas 859173004Sjulian argbuflen = cmdlengthdelta * 4; 860173004Sjulian argbuf = (char *)malloc(argbuflen + 1); 861173004Sjulian if (argbuf == NULL) { 862173004Sjulian warn("malloc(%d)", argbuflen + 1); 863173004Sjulian free(cmdbuf); 864173004Sjulian return NULL; 865173004Sjulian } 866168710Sstas 867173004Sjulian dst = argbuf; 868168710Sstas 869173004Sjulian /* Extract cmd name from argv */ 870173004Sjulian cmd = strrchr(*args, '/'); 871173004Sjulian if (cmd == NULL) 872173004Sjulian cmd = *args; 873173004Sjulian else 874173004Sjulian cmd++; 875168710Sstas 876173004Sjulian for (; (src = *args++) != NULL; ) { 877173004Sjulian if (*src == '\0') 878173004Sjulian continue; 879173004Sjulian len = (argbuflen - (dst - argbuf) - 1) / 4; 880173004Sjulian strvisx(dst, src, 881173004Sjulian strlen(src) < len ? strlen(src) : len, 882173004Sjulian VIS_NL | VIS_CSTYLE); 883173004Sjulian while (*dst != '\0') 884173004Sjulian dst++; 885173004Sjulian if ((argbuflen - (dst - argbuf) - 1) / 4 > 0) 886173004Sjulian *dst++ = ' '; /* add delimiting space */ 887173004Sjulian } 888173004Sjulian if (dst != argbuf && dst[-1] == ' ') 889173004Sjulian dst--; 890173004Sjulian *dst = '\0'; 891168710Sstas 892224202Sbz if (strcmp(cmd, pp->ki_comm) != 0 ) { 893224202Sbz if (ps.thread && pp->ki_flag & P_HADTHREADS && 894224202Sbz pp->ki_tdname[0]) 895224202Sbz snprintf(cmdbuf, cmdlengthdelta, 896224202Sbz "%s (%s){%s}", argbuf, pp->ki_comm, 897224202Sbz pp->ki_tdname); 898224202Sbz else 899224202Sbz snprintf(cmdbuf, cmdlengthdelta, 900224202Sbz "%s (%s)", argbuf, pp->ki_comm); 901224202Sbz } else { 902224202Sbz if (ps.thread && pp->ki_flag & P_HADTHREADS && 903224202Sbz pp->ki_tdname[0]) 904224202Sbz snprintf(cmdbuf, cmdlengthdelta, 905224202Sbz "%s{%s}", argbuf, pp->ki_tdname); 906224202Sbz else 907224202Sbz strlcpy(cmdbuf, argbuf, cmdlengthdelta); 908224202Sbz } 909173004Sjulian free(argbuf); 910173004Sjulian } 911168710Sstas } 912168710Sstas 913168799Srafan if (ps.jail == 0) 914168799Srafan jid_buf[0] = '\0'; 915168799Srafan else 916168799Srafan snprintf(jid_buf, sizeof(jid_buf), " %*d", 917168799Srafan sizeof(jid_buf) - 3, pp->ki_jid); 918168799Srafan 919131623Sdes if (displaymode == DISP_IO) { 920131623Sdes oldp = get_old_proc(pp); 921131623Sdes if (oldp != NULL) { 922158280Sbde ru.ru_inblock = RU(pp)->ru_inblock - 923158280Sbde RU(oldp)->ru_inblock; 924158280Sbde ru.ru_oublock = RU(pp)->ru_oublock - 925158280Sbde RU(oldp)->ru_oublock; 926131623Sdes ru.ru_majflt = RU(pp)->ru_majflt - RU(oldp)->ru_majflt; 927133817Salfred ru.ru_nvcsw = RU(pp)->ru_nvcsw - RU(oldp)->ru_nvcsw; 928133817Salfred ru.ru_nivcsw = RU(pp)->ru_nivcsw - RU(oldp)->ru_nivcsw; 929131623Sdes rup = &ru; 930131623Sdes } else { 931131623Sdes rup = RU(pp); 932131623Sdes } 933131623Sdes p_tot = rup->ru_inblock + rup->ru_oublock + rup->ru_majflt; 934131623Sdes s_tot = total_inblock + total_oublock + total_majflt; 935131402Salfred 936234416Skib snprintf(fmt, sizeof(fmt), io_Proc_format, 937131623Sdes pp->ki_pid, 938168799Srafan jid_buf, 939158280Sbde namelength, namelength, (*get_userid)(pp->ki_ruid), 940133817Salfred rup->ru_nvcsw, 941133817Salfred rup->ru_nivcsw, 942131626Sdes rup->ru_inblock, 943131626Sdes rup->ru_oublock, 944131626Sdes rup->ru_majflt, 945131626Sdes p_tot, 946131626Sdes s_tot == 0 ? 0.0 : (p_tot * 100.0 / s_tot), 947131623Sdes screen_width > cmdlengthdelta ? 948131623Sdes screen_width - cmdlengthdelta : 0, 949168710Sstas printable(cmdbuf)); 950168710Sstas 951168710Sstas free(cmdbuf); 952168710Sstas 953131623Sdes return (fmt); 954131623Sdes } 955145073Skeramida 956131623Sdes /* format this entry */ 957145073Skeramida proc_fmt = smpmode ? smp_Proc_format : up_Proc_format; 958145073Skeramida if (ps.thread != 0) 959145073Skeramida thr_buf[0] = '\0'; 960145073Skeramida else 961145073Skeramida snprintf(thr_buf, sizeof(thr_buf), "%*d ", 962145073Skeramida sizeof(thr_buf) - 2, pp->ki_numthreads); 963145073Skeramida 964234416Skib snprintf(fmt, sizeof(fmt), proc_fmt, 96569896Smckusick pp->ki_pid, 966168799Srafan jid_buf, 967158280Sbde namelength, namelength, (*get_userid)(pp->ki_ruid), 968145073Skeramida thr_buf, 96972377Sjake pp->ki_pri.pri_level - PZERO, 970158282Sbde format_nice(pp), 97137100Sdt format_k2(PROCSIZE(pp)), 97269896Smckusick format_k2(pagetok(pp->ki_rssize)), 97324143Sjoerg status, 97469896Smckusick smpmode ? pp->ki_lastcpu : 0, 97524143Sjoerg format_time(cputime), 976146342Skeramida ps.wcpu ? 100.0 * weighted_cpu(pct, pp) : 100.0 * pct, 977158280Sbde screen_width > cmdlengthdelta ? screen_width - cmdlengthdelta : 0, 978168710Sstas printable(cmdbuf)); 97924143Sjoerg 980168710Sstas free(cmdbuf); 981168710Sstas 982131623Sdes /* return the result */ 983131623Sdes return (fmt); 98424143Sjoerg} 98524143Sjoerg 986131310Salfredstatic void 987158282Sbdegetsysctl(const char *name, void *ptr, size_t len) 98824143Sjoerg{ 989131623Sdes size_t nlen = len; 990131310Salfred 991131623Sdes if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) { 992131623Sdes fprintf(stderr, "top: sysctl(%s...) failed: %s\n", name, 993131623Sdes strerror(errno)); 994131623Sdes quit(23); 995131623Sdes } 996131623Sdes if (nlen != len) { 997158280Sbde fprintf(stderr, "top: sysctl(%s...) expected %lu, got %lu\n", 998158280Sbde name, (unsigned long)len, (unsigned long)nlen); 999131623Sdes quit(23); 1000131623Sdes } 100124143Sjoerg} 100272951Srwatson 1003164058Sbdestatic const char * 1004164058Sbdeformat_nice(const struct kinfo_proc *pp) 1005158282Sbde{ 1006164058Sbde const char *fifo, *kthread; 1007164058Sbde int rtpri; 1008164058Sbde static char nicebuf[4 + 1]; 1009158282Sbde 1010164058Sbde fifo = PRI_NEED_RR(pp->ki_pri.pri_class) ? "" : "F"; 1011164058Sbde kthread = (pp->ki_flag & P_KTHREAD) ? "k" : ""; 1012164058Sbde switch (PRI_BASE(pp->ki_pri.pri_class)) { 1013164058Sbde case PRI_ITHD: 1014164058Sbde return ("-"); 1015164058Sbde case PRI_REALTIME: 1016170774Sbde /* 1017170774Sbde * XXX: the kernel doesn't tell us the original rtprio and 1018170774Sbde * doesn't really know what it was, so to recover it we 1019170774Sbde * must be more chummy with the implementation than the 1020170774Sbde * implementation is with itself. pri_user gives a 1021170774Sbde * constant "base" priority, but is only initialized 1022170774Sbde * properly for user threads. pri_native gives what the 1023170774Sbde * kernel calls the "base" priority, but it isn't constant 1024170774Sbde * since it is changed by priority propagation. pri_native 1025170774Sbde * also isn't properly initialized for all threads, but it 1026170774Sbde * is properly initialized for kernel realtime and idletime 1027170774Sbde * threads. Thus we use pri_user for the base priority of 1028170774Sbde * user threads (it is always correct) and pri_native for 1029170774Sbde * the base priority of kernel realtime and idletime threads 1030170774Sbde * (there is nothing better, and it is usually correct). 1031170774Sbde * 1032170774Sbde * The field width and thus the buffer are too small for 1033170774Sbde * values like "kr31F", but such values shouldn't occur, 1034170774Sbde * and if they do then the tailing "F" is not displayed. 1035170774Sbde */ 1036170774Sbde rtpri = ((pp->ki_flag & P_KTHREAD) ? pp->ki_pri.pri_native : 1037170774Sbde pp->ki_pri.pri_user) - PRI_MIN_REALTIME; 1038164058Sbde snprintf(nicebuf, sizeof(nicebuf), "%sr%d%s", 1039164058Sbde kthread, rtpri, fifo); 1040164058Sbde break; 1041164058Sbde case PRI_TIMESHARE: 1042164058Sbde if (pp->ki_flag & P_KTHREAD) 1043164058Sbde return ("-"); 1044164058Sbde snprintf(nicebuf, sizeof(nicebuf), "%d", pp->ki_nice - NZERO); 1045164058Sbde break; 1046164058Sbde case PRI_IDLE: 1047170774Sbde /* XXX: as above. */ 1048170774Sbde rtpri = ((pp->ki_flag & P_KTHREAD) ? pp->ki_pri.pri_native : 1049170774Sbde pp->ki_pri.pri_user) - PRI_MIN_IDLE; 1050164058Sbde snprintf(nicebuf, sizeof(nicebuf), "%si%d%s", 1051164058Sbde kthread, rtpri, fifo); 1052164058Sbde break; 1053164058Sbde default: 1054164058Sbde return ("?"); 1055164058Sbde } 1056158282Sbde return (nicebuf); 1057158282Sbde} 1058158282Sbde 105938278Swosch/* comparison routines for qsort */ 106024143Sjoerg 1061158282Sbdestatic int 1062131622Sdescompare_pid(const void *p1, const void *p2) 1063131402Salfred{ 1064131623Sdes const struct kinfo_proc * const *pp1 = p1; 1065131623Sdes const struct kinfo_proc * const *pp2 = p2; 1066131402Salfred 1067131623Sdes if ((*pp2)->ki_pid < 0 || (*pp1)->ki_pid < 0) 1068131623Sdes abort(); 1069131402Salfred 1070131623Sdes return ((*pp1)->ki_pid - (*pp2)->ki_pid); 1071131402Salfred} 1072131402Salfred 1073224188Sjhbstatic int 1074224188Sjhbcompare_tid(const void *p1, const void *p2) 1075224188Sjhb{ 1076224188Sjhb const struct kinfo_proc * const *pp1 = p1; 1077224188Sjhb const struct kinfo_proc * const *pp2 = p2; 1078224188Sjhb 1079224188Sjhb if ((*pp2)->ki_tid < 0 || (*pp1)->ki_tid < 0) 1080224188Sjhb abort(); 1081224188Sjhb 1082224188Sjhb return ((*pp1)->ki_tid - (*pp2)->ki_tid); 1083224188Sjhb} 1084224188Sjhb 108524143Sjoerg/* 108624143Sjoerg * proc_compare - comparison function for "qsort" 108724143Sjoerg * Compares the resource consumption of two processes using five 1088131620Sdes * distinct keys. The keys (in descending order of importance) are: 1089131620Sdes * percent cpu, cpu ticks, state, resident set size, total virtual 1090131620Sdes * memory usage. The process states are ordered as follows (from least 1091131620Sdes * to most important): WAIT, zombie, sleep, stop, start, run. The 1092131620Sdes * array declaration below maps a process state index into a number 1093131620Sdes * that reflects this ordering. 109424143Sjoerg */ 109524143Sjoerg 1096158280Sbdestatic int sorted_state[] = { 1097131623Sdes 0, /* not used */ 1098131623Sdes 3, /* sleep */ 1099131623Sdes 1, /* ABANDONED (WAIT) */ 1100131623Sdes 6, /* run */ 1101131623Sdes 5, /* start */ 1102131623Sdes 2, /* zombie */ 1103131623Sdes 4 /* stop */ 110424143Sjoerg}; 110538278Swosch 1106131620Sdes 1107146343Skeramida#define ORDERKEY_PCTCPU(a, b) do { \ 1108146343Skeramida long diff; \ 1109146343Skeramida if (ps.wcpu) \ 1110158280Sbde diff = floor(1.0E6 * weighted_cpu(pctdouble((b)->ki_pctcpu), \ 1111158280Sbde (b))) - \ 1112158280Sbde floor(1.0E6 * weighted_cpu(pctdouble((a)->ki_pctcpu), \ 1113158280Sbde (a))); \ 1114146343Skeramida else \ 1115146343Skeramida diff = (long)(b)->ki_pctcpu - (long)(a)->ki_pctcpu; \ 1116146343Skeramida if (diff != 0) \ 1117146343Skeramida return (diff > 0 ? 1 : -1); \ 1118131626Sdes} while (0) 111938278Swosch 1120131626Sdes#define ORDERKEY_CPTICKS(a, b) do { \ 1121131628Sdes int64_t diff = (int64_t)(b)->ki_runtime - (int64_t)(a)->ki_runtime; \ 1122131626Sdes if (diff != 0) \ 1123131626Sdes return (diff > 0 ? 1 : -1); \ 1124131626Sdes} while (0) 112538278Swosch 1126131626Sdes#define ORDERKEY_STATE(a, b) do { \ 1127131626Sdes int diff = sorted_state[(b)->ki_stat] - sorted_state[(a)->ki_stat]; \ 1128131626Sdes if (diff != 0) \ 1129131626Sdes return (diff > 0 ? 1 : -1); \ 1130131626Sdes} while (0) 113138278Swosch 1132131626Sdes#define ORDERKEY_PRIO(a, b) do { \ 1133131628Sdes int diff = (int)(b)->ki_pri.pri_level - (int)(a)->ki_pri.pri_level; \ 1134131626Sdes if (diff != 0) \ 1135131626Sdes return (diff > 0 ? 1 : -1); \ 1136131626Sdes} while (0) 113738278Swosch 1138145073Skeramida#define ORDERKEY_THREADS(a, b) do { \ 1139145073Skeramida int diff = (int)(b)->ki_numthreads - (int)(a)->ki_numthreads; \ 1140145073Skeramida if (diff != 0) \ 1141145073Skeramida return (diff > 0 ? 1 : -1); \ 1142145073Skeramida} while (0) 1143145073Skeramida 1144131626Sdes#define ORDERKEY_RSSIZE(a, b) do { \ 1145131628Sdes long diff = (long)(b)->ki_rssize - (long)(a)->ki_rssize; \ 1146131626Sdes if (diff != 0) \ 1147131626Sdes return (diff > 0 ? 1 : -1); \ 1148131626Sdes} while (0) 114938278Swosch 1150131626Sdes#define ORDERKEY_MEM(a, b) do { \ 1151131628Sdes long diff = (long)PROCSIZE((b)) - (long)PROCSIZE((a)); \ 1152131626Sdes if (diff != 0) \ 1153131626Sdes return (diff > 0 ? 1 : -1); \ 1154131626Sdes} while (0) 115538278Swosch 1156168799Srafan#define ORDERKEY_JID(a, b) do { \ 1157168799Srafan int diff = (int)(b)->ki_jid - (int)(a)->ki_jid; \ 1158168799Srafan if (diff != 0) \ 1159168799Srafan return (diff > 0 ? 1 : -1); \ 1160168799Srafan} while (0) 1161168799Srafan 116238278Swosch/* compare_cpu - the comparison function for sorting by cpu percentage */ 116338278Swosch 116424143Sjoergint 116538278Swosch#ifdef ORDER 1166131626Sdescompare_cpu(void *arg1, void *arg2) 116738278Swosch#else 1168131626Sdesproc_compare(void *arg1, void *arg2) 116938278Swosch#endif 117024143Sjoerg{ 1171131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1172131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 117324143Sjoerg 1174131626Sdes ORDERKEY_PCTCPU(p1, p2); 1175131626Sdes ORDERKEY_CPTICKS(p1, p2); 1176131626Sdes ORDERKEY_STATE(p1, p2); 1177131626Sdes ORDERKEY_PRIO(p1, p2); 1178131626Sdes ORDERKEY_RSSIZE(p1, p2); 1179131626Sdes ORDERKEY_MEM(p1, p2); 118024143Sjoerg 1181131626Sdes return (0); 118224143Sjoerg} 118324143Sjoerg 118438278Swosch#ifdef ORDER 1185158280Sbde/* "cpu" compare routines */ 1186158280Sbdeint compare_size(), compare_res(), compare_time(), compare_prio(), 1187158280Sbde compare_threads(); 118824143Sjoerg 1189158280Sbde/* 1190158280Sbde * "io" compare routines. Context switches aren't i/o, but are displayed 1191158280Sbde * on the "io" display. 1192158280Sbde */ 1193158280Sbdeint compare_iototal(), compare_ioread(), compare_iowrite(), compare_iofault(), 1194158280Sbde compare_vcsw(), compare_ivcsw(); 1195158280Sbde 1196133817Salfredint (*compares[])() = { 1197131623Sdes compare_cpu, 1198131623Sdes compare_size, 1199131623Sdes compare_res, 1200131623Sdes compare_time, 1201131623Sdes compare_prio, 1202145073Skeramida compare_threads, 1203133817Salfred compare_iototal, 1204133817Salfred compare_ioread, 1205133817Salfred compare_iowrite, 1206133817Salfred compare_iofault, 1207133817Salfred compare_vcsw, 1208133817Salfred compare_ivcsw, 1209168799Srafan compare_jid, 1210131623Sdes NULL 121138278Swosch}; 121238278Swosch 121338278Swosch/* compare_size - the comparison function for sorting by total memory usage */ 121438278Swosch 121538278Swoschint 1216131626Sdescompare_size(void *arg1, void *arg2) 121738278Swosch{ 1218131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1219131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 122038278Swosch 1221131626Sdes ORDERKEY_MEM(p1, p2); 1222131626Sdes ORDERKEY_RSSIZE(p1, p2); 1223131626Sdes ORDERKEY_PCTCPU(p1, p2); 1224131626Sdes ORDERKEY_CPTICKS(p1, p2); 1225131626Sdes ORDERKEY_STATE(p1, p2); 1226131626Sdes ORDERKEY_PRIO(p1, p2); 122738278Swosch 1228131626Sdes return (0); 122938278Swosch} 123038278Swosch 123138278Swosch/* compare_res - the comparison function for sorting by resident set size */ 123238278Swosch 123338278Swoschint 1234131626Sdescompare_res(void *arg1, void *arg2) 123538278Swosch{ 1236131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1237131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 123838278Swosch 1239131626Sdes ORDERKEY_RSSIZE(p1, p2); 1240131626Sdes ORDERKEY_MEM(p1, p2); 1241131626Sdes ORDERKEY_PCTCPU(p1, p2); 1242131626Sdes ORDERKEY_CPTICKS(p1, p2); 1243131626Sdes ORDERKEY_STATE(p1, p2); 1244131626Sdes ORDERKEY_PRIO(p1, p2); 124538278Swosch 1246131626Sdes return (0); 124738278Swosch} 124838278Swosch 124938278Swosch/* compare_time - the comparison function for sorting by total cpu time */ 125038278Swosch 125138278Swoschint 1252131626Sdescompare_time(void *arg1, void *arg2) 1253131310Salfred{ 1254131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1255131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 125638278Swosch 1257131626Sdes ORDERKEY_CPTICKS(p1, p2); 1258131626Sdes ORDERKEY_PCTCPU(p1, p2); 1259131626Sdes ORDERKEY_STATE(p1, p2); 1260131626Sdes ORDERKEY_PRIO(p1, p2); 1261131626Sdes ORDERKEY_RSSIZE(p1, p2); 1262131626Sdes ORDERKEY_MEM(p1, p2); 126338278Swosch 1264131626Sdes return (0); 1265131623Sdes} 1266131310Salfred 1267131626Sdes/* compare_prio - the comparison function for sorting by priority */ 126838278Swosch 126938278Swoschint 1270131626Sdescompare_prio(void *arg1, void *arg2) 127138278Swosch{ 1272131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1273131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 127438278Swosch 1275131626Sdes ORDERKEY_PRIO(p1, p2); 1276131626Sdes ORDERKEY_CPTICKS(p1, p2); 1277131626Sdes ORDERKEY_PCTCPU(p1, p2); 1278131626Sdes ORDERKEY_STATE(p1, p2); 1279131626Sdes ORDERKEY_RSSIZE(p1, p2); 1280131626Sdes ORDERKEY_MEM(p1, p2); 128138278Swosch 1282131626Sdes return (0); 128338278Swosch} 1284145073Skeramida 1285145073Skeramida/* compare_threads - the comparison function for sorting by threads */ 1286145073Skeramidaint 1287145073Skeramidacompare_threads(void *arg1, void *arg2) 1288145073Skeramida{ 1289145073Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1290145073Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1291145073Skeramida 1292145073Skeramida ORDERKEY_THREADS(p1, p2); 1293145073Skeramida ORDERKEY_PCTCPU(p1, p2); 1294145073Skeramida ORDERKEY_CPTICKS(p1, p2); 1295145073Skeramida ORDERKEY_STATE(p1, p2); 1296145073Skeramida ORDERKEY_PRIO(p1, p2); 1297145073Skeramida ORDERKEY_RSSIZE(p1, p2); 1298145073Skeramida ORDERKEY_MEM(p1, p2); 1299145073Skeramida 1300145073Skeramida return (0); 1301145073Skeramida} 1302168799Srafan 1303168799Srafan/* compare_jid - the comparison function for sorting by jid */ 1304168799Srafanstatic int 1305168799Srafancompare_jid(const void *arg1, const void *arg2) 1306168799Srafan{ 1307168799Srafan struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1308168799Srafan struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1309168799Srafan 1310168799Srafan ORDERKEY_JID(p1, p2); 1311168799Srafan ORDERKEY_PCTCPU(p1, p2); 1312168799Srafan ORDERKEY_CPTICKS(p1, p2); 1313168799Srafan ORDERKEY_STATE(p1, p2); 1314168799Srafan ORDERKEY_PRIO(p1, p2); 1315168799Srafan ORDERKEY_RSSIZE(p1, p2); 1316168799Srafan ORDERKEY_MEM(p1, p2); 1317168799Srafan 1318168799Srafan return (0); 1319168799Srafan} 1320158280Sbde#endif /* ORDER */ 132138278Swosch 1322158280Sbde/* assorted comparison functions for sorting by i/o */ 1323131829Skeramida 1324131402Salfredint 1325131829Skeramida#ifdef ORDER 1326131829Skeramidacompare_iototal(void *arg1, void *arg2) 1327131829Skeramida#else 1328131626Sdesio_compare(void *arg1, void *arg2) 1329131829Skeramida#endif 1330131402Salfred{ 1331131626Sdes struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1332131626Sdes struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1333131402Salfred 1334131626Sdes return (get_io_total(p2) - get_io_total(p1)); 1335131402Salfred} 1336131829Skeramida 1337131829Skeramida#ifdef ORDER 1338131829Skeramidaint 1339131829Skeramidacompare_ioread(void *arg1, void *arg2) 1340131829Skeramida{ 1341131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1342131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1343131829Skeramida long dummy, inp1, inp2; 1344131829Skeramida 1345133817Salfred (void) get_io_stats(p1, &inp1, &dummy, &dummy, &dummy, &dummy); 1346133817Salfred (void) get_io_stats(p2, &inp2, &dummy, &dummy, &dummy, &dummy); 1347131829Skeramida 1348131829Skeramida return (inp2 - inp1); 1349131829Skeramida} 1350131829Skeramida 1351131829Skeramidaint 1352131829Skeramidacompare_iowrite(void *arg1, void *arg2) 1353131829Skeramida{ 1354131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1355131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1356131829Skeramida long dummy, oup1, oup2; 1357131829Skeramida 1358133817Salfred (void) get_io_stats(p1, &dummy, &oup1, &dummy, &dummy, &dummy); 1359133817Salfred (void) get_io_stats(p2, &dummy, &oup2, &dummy, &dummy, &dummy); 1360131829Skeramida 1361131829Skeramida return (oup2 - oup1); 1362131829Skeramida} 1363131829Skeramida 1364131829Skeramidaint 1365131829Skeramidacompare_iofault(void *arg1, void *arg2) 1366131829Skeramida{ 1367131829Skeramida struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1368131829Skeramida struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1369131829Skeramida long dummy, flp1, flp2; 1370131829Skeramida 1371133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &flp1, &dummy, &dummy); 1372133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &flp2, &dummy, &dummy); 1373131829Skeramida 1374131829Skeramida return (flp2 - flp1); 1375131829Skeramida} 1376131829Skeramida 1377133817Salfredint 1378133817Salfredcompare_vcsw(void *arg1, void *arg2) 1379133817Salfred{ 1380133817Salfred struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1381133817Salfred struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1382133817Salfred long dummy, flp1, flp2; 1383133817Salfred 1384133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &dummy, &flp1, &dummy); 1385133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &dummy, &flp2, &dummy); 1386133817Salfred 1387133817Salfred return (flp2 - flp1); 1388133817Salfred} 1389133817Salfred 1390133817Salfredint 1391133817Salfredcompare_ivcsw(void *arg1, void *arg2) 1392133817Salfred{ 1393133817Salfred struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1; 1394133817Salfred struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2; 1395133817Salfred long dummy, flp1, flp2; 1396133817Salfred 1397133817Salfred (void) get_io_stats(p1, &dummy, &dummy, &dummy, &dummy, &flp1); 1398133817Salfred (void) get_io_stats(p2, &dummy, &dummy, &dummy, &dummy, &flp2); 1399133817Salfred 1400133817Salfred return (flp2 - flp1); 1401133817Salfred} 1402131829Skeramida#endif /* ORDER */ 1403131829Skeramida 140424143Sjoerg/* 140524143Sjoerg * proc_owner(pid) - returns the uid that owns process "pid", or -1 if 140624143Sjoerg * the process does not exist. 1407228992Suqs * It is EXTREMELY IMPORTANT that this function work correctly. 140824143Sjoerg * If top runs setuid root (as in SVR4), then this function 140924143Sjoerg * is the only thing that stands in the way of a serious 141024143Sjoerg * security problem. It validates requests for the "kill" 141124143Sjoerg * and "renice" commands. 141224143Sjoerg */ 141324143Sjoerg 1414131310Salfredint 1415131622Sdesproc_owner(int pid) 141624143Sjoerg{ 1417131623Sdes int cnt; 1418131623Sdes struct kinfo_proc **prefp; 1419131623Sdes struct kinfo_proc *pp; 142024143Sjoerg 1421131623Sdes prefp = pref; 1422131623Sdes cnt = pref_len; 1423131626Sdes while (--cnt >= 0) { 1424131623Sdes pp = *prefp++; 1425131623Sdes if (pp->ki_pid == (pid_t)pid) 1426131623Sdes return ((int)pp->ki_ruid); 142724143Sjoerg } 1428131623Sdes return (-1); 142924143Sjoerg} 143024143Sjoerg 1431158282Sbdestatic int 1432131622Sdesswapmode(int *retavail, int *retfree) 143324143Sjoerg{ 143443053Sdillon int n; 143543053Sdillon int pagesize = getpagesize(); 143643053Sdillon struct kvm_swap swapary[1]; 143724143Sjoerg 143843053Sdillon *retavail = 0; 143943053Sdillon *retfree = 0; 144024143Sjoerg 144143053Sdillon#define CONVERT(v) ((quad_t)(v) * pagesize / 1024) 144224143Sjoerg 144343053Sdillon n = kvm_getswapinfo(kd, swapary, 1, 0); 144443697Sdillon if (n < 0 || swapary[0].ksw_total == 0) 1445131623Sdes return (0); 144624143Sjoerg 144743053Sdillon *retavail = CONVERT(swapary[0].ksw_total); 144843053Sdillon *retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used); 144924143Sjoerg 1450131626Sdes n = (int)(swapary[0].ksw_used * 100.0 / swapary[0].ksw_total); 1451131623Sdes return (n); 145243053Sdillon} 1453