xref: /freebsd/usr.bin/top/machine.c (revision dcd6f4bd48d807bb13902081e85eb92149c5be73)
1511d9c65SJoerg Wunsch /*
2511d9c65SJoerg Wunsch  * top - a top users display for Unix
3511d9c65SJoerg Wunsch  *
433d56839SNick Hibma  * SYNOPSIS:  For FreeBSD-2.x and later
5511d9c65SJoerg Wunsch  *
6511d9c65SJoerg Wunsch  * DESCRIPTION:
7511d9c65SJoerg Wunsch  * Originally written for BSD4.4 system by Christos Zoulas.
8511d9c65SJoerg Wunsch  * Ported to FreeBSD 2.x by Steven Wallace && Wolfram Schneider
9f3b2c2d1SWolfram Schneider  * Order support hacked in from top-3.5beta6/machine/m_aix41.c
10f3b2c2d1SWolfram Schneider  *   by Monte Mitzelfelt (for latest top see http://www.groupsys.com/topinfo/)
11511d9c65SJoerg Wunsch  *
12511d9c65SJoerg Wunsch  * This is the machine-dependent module for FreeBSD 2.2
13511d9c65SJoerg Wunsch  * Works for:
1433d56839SNick Hibma  *	FreeBSD 2.2.x, 3.x, 4.x, and probably FreeBSD 2.1.x
15511d9c65SJoerg Wunsch  *
16511d9c65SJoerg Wunsch  * LIBS: -lkvm
17511d9c65SJoerg Wunsch  *
18511d9c65SJoerg Wunsch  * AUTHOR:  Christos Zoulas <christos@ee.cornell.edu>
19511d9c65SJoerg Wunsch  *          Steven Wallace  <swallace@freebsd.org>
20511d9c65SJoerg Wunsch  *          Wolfram Schneider <wosch@FreeBSD.org>
2139d513ecSRobert Watson  *          Thomas Moestl <tmoestl@gmx.net>
22511d9c65SJoerg Wunsch  *
23c3aac50fSPeter Wemm  * $FreeBSD$
24511d9c65SJoerg Wunsch  */
25511d9c65SJoerg Wunsch 
26511d9c65SJoerg Wunsch #include <sys/param.h>
27511d9c65SJoerg Wunsch #include <sys/errno.h>
28511d9c65SJoerg Wunsch #include <sys/file.h>
29511d9c65SJoerg Wunsch #include <sys/proc.h>
30e5aff02fSPeter Wemm #include <sys/resource.h>
31e5aff02fSPeter Wemm #include <sys/rtprio.h>
32cd23263cSDag-Erling Smørgrav #include <sys/signal.h>
33cd23263cSDag-Erling Smørgrav #include <sys/sysctl.h>
34cd23263cSDag-Erling Smørgrav #include <sys/time.h>
35cd23263cSDag-Erling Smørgrav #include <sys/user.h>
36cd23263cSDag-Erling Smørgrav #include <sys/vmmeter.h>
37511d9c65SJoerg Wunsch 
38cd23263cSDag-Erling Smørgrav #include <kvm.h>
39cd23263cSDag-Erling Smørgrav #include <math.h>
40cd23263cSDag-Erling Smørgrav #include <nlist.h>
414946a00bSDag-Erling Smørgrav #include <paths.h>
42cd23263cSDag-Erling Smørgrav #include <pwd.h>
43cd23263cSDag-Erling Smørgrav #include <stdio.h>
44511d9c65SJoerg Wunsch #include <stdlib.h>
4539d513ecSRobert Watson #include <unistd.h>
46511d9c65SJoerg Wunsch 
47511d9c65SJoerg Wunsch #include "top.h"
48511d9c65SJoerg Wunsch #include "machine.h"
497f18d5d3SJohn Baldwin #include "screen.h"
5039d513ecSRobert Watson #include "utils.h"
51511d9c65SJoerg Wunsch 
523f330d7dSWarner Losh static void getsysctl(char *, void *, size_t);
5339d513ecSRobert Watson 
5439d513ecSRobert Watson #define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var))
5539d513ecSRobert Watson 
563f330d7dSWarner Losh extern char* printable(char *);
573f330d7dSWarner Losh int swapmode(int *retavail, int *retfree);
5894154ff8SPeter Wemm static int smpmode;
59db6bb7fcSAlfred Perlstein enum displaymodes displaymode;
60a2aff8b2SPeter Wemm static int namelength;
617f18d5d3SJohn Baldwin static int cmdlengthdelta;
62511d9c65SJoerg Wunsch 
6339d513ecSRobert Watson /* Prototypes for top internals */
643f330d7dSWarner Losh void quit(int);
65db6bb7fcSAlfred Perlstein int compare_pid(const void *a, const void *b);
66511d9c65SJoerg Wunsch 
67511d9c65SJoerg Wunsch /* get_process_info passes back a handle.  This is what it looks like: */
68511d9c65SJoerg Wunsch 
69511d9c65SJoerg Wunsch struct handle
70511d9c65SJoerg Wunsch {
71511d9c65SJoerg Wunsch 	struct kinfo_proc **next_proc;	/* points to next valid proc pointer */
72511d9c65SJoerg Wunsch 	int remaining;			/* number of pointers remaining */
73511d9c65SJoerg Wunsch };
74511d9c65SJoerg Wunsch 
75511d9c65SJoerg Wunsch /* declarations for load_avg */
76511d9c65SJoerg Wunsch #include "loadavg.h"
77511d9c65SJoerg Wunsch 
78511d9c65SJoerg Wunsch /* define what weighted cpu is.  */
791f7d2501SKirk McKusick #define weighted_cpu(pct, pp) ((pp)->ki_swtime == 0 ? 0.0 : \
801f7d2501SKirk McKusick 			 ((pct) / (1.0 - exp((pp)->ki_swtime * logcpu))))
81511d9c65SJoerg Wunsch 
82511d9c65SJoerg Wunsch /* what we consider to be process size: */
831f7d2501SKirk McKusick #define PROCSIZE(pp) ((pp)->ki_size / 1024)
84511d9c65SJoerg Wunsch 
85db6bb7fcSAlfred Perlstein #define RU(pp)	(&(pp)->ki_rusage)
86db6bb7fcSAlfred Perlstein #define RUTOT(pp) \
87db6bb7fcSAlfred Perlstein 	(RU(pp)->ru_inblock + RU(pp)->ru_oublock + RU(pp)->ru_majflt)
88db6bb7fcSAlfred Perlstein 
89db6bb7fcSAlfred Perlstein 
90511d9c65SJoerg Wunsch /* definitions for indices in the nlist array */
91511d9c65SJoerg Wunsch 
92511d9c65SJoerg Wunsch /*
93511d9c65SJoerg Wunsch  *  These definitions control the format of the per-process area
94511d9c65SJoerg Wunsch  */
95511d9c65SJoerg Wunsch 
96db6bb7fcSAlfred Perlstein static char io_header[] =
977fe9a86aSAlfred Perlstein 	"  PID %-*.*s   READ  WRITE  FAULT  TOTAL PERCENT COMMAND";
98db6bb7fcSAlfred Perlstein 
99db6bb7fcSAlfred Perlstein #define io_Proc_format \
1004946a00bSDag-Erling Smørgrav 	"%5d %-*.*s %6ld %6ld %6ld %6ld %6.2f%% %.*s"
101db6bb7fcSAlfred Perlstein 
10294154ff8SPeter Wemm static char smp_header[] =
103a2aff8b2SPeter Wemm 	"  PID %-*.*s PRI NICE   SIZE    RES STATE  C   TIME   WCPU    CPU COMMAND";
104511d9c65SJoerg Wunsch 
10594154ff8SPeter Wemm #define smp_Proc_format \
106a28d666cSMark Murray 	"%5d %-*.*s %3d %4d%7s %6s %-6.6s %1x%7s %5.2f%% %5.2f%% %.*s"
107511d9c65SJoerg Wunsch 
10894154ff8SPeter Wemm static char up_header[] =
109a2aff8b2SPeter Wemm 	"  PID %-*.*s PRI NICE   SIZE    RES STATE    TIME   WCPU    CPU COMMAND";
110511d9c65SJoerg Wunsch 
11194154ff8SPeter Wemm #define up_Proc_format \
112a28d666cSMark Murray 	"%5d %-*.*s %3d %4d%7s %6s %-6.6s%.0d%7s %5.2f%% %5.2f%% %.*s"
113511d9c65SJoerg Wunsch 
114511d9c65SJoerg Wunsch 
115511d9c65SJoerg Wunsch 
116511d9c65SJoerg Wunsch /* process state names for the "STATE" column of the display */
117511d9c65SJoerg Wunsch /* the extra nulls in the string "run" are for adding a slash and
118511d9c65SJoerg Wunsch    the processor number when needed */
119511d9c65SJoerg Wunsch 
120511d9c65SJoerg Wunsch char *state_abbrev[] =
121511d9c65SJoerg Wunsch {
1220d632649SJohn Baldwin 	"", "START", "RUN\0\0\0", "SLEEP", "STOP", "ZOMB", "WAIT", "LOCK"
123511d9c65SJoerg Wunsch };
124511d9c65SJoerg Wunsch 
125511d9c65SJoerg Wunsch 
126511d9c65SJoerg Wunsch static kvm_t *kd;
127511d9c65SJoerg Wunsch 
128511d9c65SJoerg Wunsch /* values that we stash away in _init and use in later routines */
129511d9c65SJoerg Wunsch 
130511d9c65SJoerg Wunsch static double logcpu;
131511d9c65SJoerg Wunsch 
132511d9c65SJoerg Wunsch /* these are retrieved from the kernel in _init */
133511d9c65SJoerg Wunsch 
134511d9c65SJoerg Wunsch static load_avg  ccpu;
135511d9c65SJoerg Wunsch 
13639d513ecSRobert Watson /* these are used in the get_ functions */
137511d9c65SJoerg Wunsch 
13839d513ecSRobert Watson static int lastpid;
139511d9c65SJoerg Wunsch 
140511d9c65SJoerg Wunsch /* these are for calculating cpu state percentages */
141511d9c65SJoerg Wunsch 
142511d9c65SJoerg Wunsch static long cp_time[CPUSTATES];
143511d9c65SJoerg Wunsch static long cp_old[CPUSTATES];
144511d9c65SJoerg Wunsch static long cp_diff[CPUSTATES];
145511d9c65SJoerg Wunsch 
146511d9c65SJoerg Wunsch /* these are for detailing the process states */
147511d9c65SJoerg Wunsch 
1480384fff8SJason Evans int process_states[8];
149511d9c65SJoerg Wunsch char *procstatenames[] = {
150511d9c65SJoerg Wunsch 	"", " starting, ", " running, ", " sleeping, ", " stopped, ",
1510d632649SJohn Baldwin 	" zombie, ", " waiting, ", " lock, ",
152511d9c65SJoerg Wunsch 	NULL
153511d9c65SJoerg Wunsch };
154511d9c65SJoerg Wunsch 
155511d9c65SJoerg Wunsch /* these are for detailing the cpu states */
156511d9c65SJoerg Wunsch 
157511d9c65SJoerg Wunsch int cpu_states[CPUSTATES];
158511d9c65SJoerg Wunsch char *cpustatenames[] = {
159511d9c65SJoerg Wunsch 	"user", "nice", "system", "interrupt", "idle", NULL
160511d9c65SJoerg Wunsch };
161511d9c65SJoerg Wunsch 
162511d9c65SJoerg Wunsch /* these are for detailing the memory statistics */
163511d9c65SJoerg Wunsch 
164511d9c65SJoerg Wunsch int memory_stats[7];
165511d9c65SJoerg Wunsch char *memorynames[] = {
166ea9e70bfSDag-Erling Smørgrav 	/* 0             1            2            3            4          5 */
167511d9c65SJoerg Wunsch 	"K Active, ", "K Inact, ", "K Wired, ", "K Cache, ", "K Buf, ", "K Free",
168511d9c65SJoerg Wunsch 	NULL
169511d9c65SJoerg Wunsch };
170511d9c65SJoerg Wunsch 
171511d9c65SJoerg Wunsch int swap_stats[7];
172511d9c65SJoerg Wunsch char *swapnames[] = {
173511d9c65SJoerg Wunsch 	/* 0            1           2           3            4         5 */
174511d9c65SJoerg Wunsch 	"K Total, ", "K Used, ", "K Free, ", "% Inuse, ", "K In, ", "K Out",
175511d9c65SJoerg Wunsch 	NULL
176511d9c65SJoerg Wunsch };
177511d9c65SJoerg Wunsch 
178511d9c65SJoerg Wunsch 
179511d9c65SJoerg Wunsch /* these are for keeping track of the proc array */
180511d9c65SJoerg Wunsch 
181511d9c65SJoerg Wunsch static int nproc;
182511d9c65SJoerg Wunsch static int onproc = -1;
183511d9c65SJoerg Wunsch static int pref_len;
184511d9c65SJoerg Wunsch static struct kinfo_proc *pbase;
185511d9c65SJoerg Wunsch static struct kinfo_proc **pref;
186db6bb7fcSAlfred Perlstein static struct kinfo_proc *previous_procs;
187db6bb7fcSAlfred Perlstein static struct kinfo_proc **previous_pref;
188db6bb7fcSAlfred Perlstein static int previous_proc_count = 0;
189db6bb7fcSAlfred Perlstein static int previous_proc_count_max = 0;
190511d9c65SJoerg Wunsch 
1917fe9a86aSAlfred Perlstein /* total number of io operations */
1927fe9a86aSAlfred Perlstein static long total_inblock;
1937fe9a86aSAlfred Perlstein static long total_oublock;
1947fe9a86aSAlfred Perlstein static long total_majflt;
1957fe9a86aSAlfred Perlstein 
196511d9c65SJoerg Wunsch /* these are for getting the memory statistics */
197511d9c65SJoerg Wunsch 
198511d9c65SJoerg Wunsch static int pageshift;		/* log base 2 of the pagesize */
199511d9c65SJoerg Wunsch 
200511d9c65SJoerg Wunsch /* define pagetok in terms of pageshift */
201511d9c65SJoerg Wunsch 
202511d9c65SJoerg Wunsch #define pagetok(size) ((size) << pageshift)
203511d9c65SJoerg Wunsch 
204511d9c65SJoerg Wunsch /* useful externals */
205511d9c65SJoerg Wunsch long percentages();
206511d9c65SJoerg Wunsch 
207f3b2c2d1SWolfram Schneider #ifdef ORDER
20826b2243aSGiorgos Keramidas /*
20926b2243aSGiorgos Keramidas  * Sorting orders.  One vector per display mode.
21026b2243aSGiorgos Keramidas  * The first element is the default for each mode.
21126b2243aSGiorgos Keramidas  */
21226b2243aSGiorgos Keramidas char *proc_ordernames[] = {
213f3b2c2d1SWolfram Schneider 	"cpu", "size", "res", "time", "pri", NULL
214f3b2c2d1SWolfram Schneider };
21526b2243aSGiorgos Keramidas char *io_ordernames[] = {
21626b2243aSGiorgos Keramidas 	"total", "read", "write", "fault", NULL
21726b2243aSGiorgos Keramidas };
218f3b2c2d1SWolfram Schneider #endif
219f3b2c2d1SWolfram Schneider 
220511d9c65SJoerg Wunsch int
221f6a10feaSDag-Erling Smørgrav machine_init(struct statics *statics)
222511d9c65SJoerg Wunsch {
223970636e9SAlfred Perlstein 	int pagesize;
22498e53e5bSAndrew Gallatin 	size_t modelen;
225a2aff8b2SPeter Wemm 	struct passwd *pw;
22694154ff8SPeter Wemm 
22794154ff8SPeter Wemm 	modelen = sizeof(smpmode);
228ed550569SPeter Wemm 	if ((sysctlbyname("machdep.smp_active", &smpmode, &modelen, NULL, 0) < 0 &&
2292522796eSJohn Baldwin 		sysctlbyname("kern.smp.active", &smpmode, &modelen, NULL, 0) < 0) ||
23094154ff8SPeter Wemm 	    modelen != sizeof(smpmode))
23194154ff8SPeter Wemm 		smpmode = 0;
232511d9c65SJoerg Wunsch 
233a2aff8b2SPeter Wemm 	while ((pw = getpwent()) != NULL) {
234a2aff8b2SPeter Wemm 		if (strlen(pw->pw_name) > namelength)
235a2aff8b2SPeter Wemm 			namelength = strlen(pw->pw_name);
236a2aff8b2SPeter Wemm 	}
237a2aff8b2SPeter Wemm 	if (namelength < 8)
238a2aff8b2SPeter Wemm 		namelength = 8;
2399e138095SWill Andrews 	if (smpmode && namelength > 13)
2409e138095SWill Andrews 		namelength = 13;
2419e138095SWill Andrews 	else if (namelength > 15)
242dc7c1750SDavid Nugent 		namelength = 15;
243a2aff8b2SPeter Wemm 
2444946a00bSDag-Erling Smørgrav 	kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
2454946a00bSDag-Erling Smørgrav 	if (kd == NULL)
2464946a00bSDag-Erling Smørgrav 		return (-1);
247511d9c65SJoerg Wunsch 
24839d513ecSRobert Watson 	GETSYSCTL("kern.ccpu", ccpu);
249511d9c65SJoerg Wunsch 
250511d9c65SJoerg Wunsch 	/* this is used in calculating WCPU -- calculate it ahead of time */
251511d9c65SJoerg Wunsch 	logcpu = log(loaddouble(ccpu));
252511d9c65SJoerg Wunsch 
253511d9c65SJoerg Wunsch 	pbase = NULL;
254511d9c65SJoerg Wunsch 	pref = NULL;
255511d9c65SJoerg Wunsch 	nproc = 0;
256511d9c65SJoerg Wunsch 	onproc = -1;
257511d9c65SJoerg Wunsch 	/* get the page size with "getpagesize" and calculate pageshift from it */
258511d9c65SJoerg Wunsch 	pagesize = getpagesize();
259511d9c65SJoerg Wunsch 	pageshift = 0;
2604946a00bSDag-Erling Smørgrav 	while (pagesize > 1) {
261511d9c65SJoerg Wunsch 		pageshift++;
262511d9c65SJoerg Wunsch 		pagesize >>= 1;
263511d9c65SJoerg Wunsch 	}
264511d9c65SJoerg Wunsch 
265511d9c65SJoerg Wunsch 	/* we only need the amount of log(2)1024 for our conversion */
266511d9c65SJoerg Wunsch 	pageshift -= LOG1024;
267511d9c65SJoerg Wunsch 
268511d9c65SJoerg Wunsch 	/* fill in the statics information */
269511d9c65SJoerg Wunsch 	statics->procstate_names = procstatenames;
270511d9c65SJoerg Wunsch 	statics->cpustate_names = cpustatenames;
271511d9c65SJoerg Wunsch 	statics->memory_names = memorynames;
272511d9c65SJoerg Wunsch 	statics->swap_names = swapnames;
273f3b2c2d1SWolfram Schneider #ifdef ORDER
27426b2243aSGiorgos Keramidas 	switch (displaymode) {
27526b2243aSGiorgos Keramidas 	case DISP_IO:
27626b2243aSGiorgos Keramidas 		statics->order_names = io_ordernames;
27726b2243aSGiorgos Keramidas 		break;
27826b2243aSGiorgos Keramidas 	case DISP_CPU:
27926b2243aSGiorgos Keramidas 	default:
28026b2243aSGiorgos Keramidas 		statics->order_names = proc_ordernames;
28126b2243aSGiorgos Keramidas 		break;
28226b2243aSGiorgos Keramidas 	}
283f3b2c2d1SWolfram Schneider #endif
284511d9c65SJoerg Wunsch 
285511d9c65SJoerg Wunsch 	/* all done! */
286511d9c65SJoerg Wunsch 	return (0);
287511d9c65SJoerg Wunsch }
288511d9c65SJoerg Wunsch 
289970636e9SAlfred Perlstein char *
290f6a10feaSDag-Erling Smørgrav format_header(char *uname_field)
291511d9c65SJoerg Wunsch {
292a2aff8b2SPeter Wemm 	static char Header[128];
293db6bb7fcSAlfred Perlstein 	const char *prehead;
294511d9c65SJoerg Wunsch 
295db6bb7fcSAlfred Perlstein 	switch (displaymode) {
296db6bb7fcSAlfred Perlstein 	case DISP_CPU:
297db6bb7fcSAlfred Perlstein 		prehead = smpmode ? smp_header : up_header;
298db6bb7fcSAlfred Perlstein 		break;
299db6bb7fcSAlfred Perlstein 	case DISP_IO:
300db6bb7fcSAlfred Perlstein 		prehead = io_header;
301db6bb7fcSAlfred Perlstein 		break;
302db6bb7fcSAlfred Perlstein 	}
303db6bb7fcSAlfred Perlstein 
304db6bb7fcSAlfred Perlstein 	snprintf(Header, sizeof(Header), prehead,
305a2aff8b2SPeter Wemm 	    namelength, namelength, uname_field);
30694154ff8SPeter Wemm 
3077f18d5d3SJohn Baldwin 	cmdlengthdelta = strlen(Header) - 7;
308511d9c65SJoerg Wunsch 
309ea9e70bfSDag-Erling Smørgrav 	return (Header);
310511d9c65SJoerg Wunsch }
311511d9c65SJoerg Wunsch 
312511d9c65SJoerg Wunsch static int swappgsin = -1;
313511d9c65SJoerg Wunsch static int swappgsout = -1;
314511d9c65SJoerg Wunsch extern struct timeval timeout;
315511d9c65SJoerg Wunsch 
316511d9c65SJoerg Wunsch void
317f6a10feaSDag-Erling Smørgrav get_system_info(struct system_info *si)
318511d9c65SJoerg Wunsch {
319511d9c65SJoerg Wunsch 	long total;
32098e53e5bSAndrew Gallatin 	struct loadavg sysload;
321a2641311SDavid E. O'Brien 	int mib[2];
322a2641311SDavid E. O'Brien 	struct timeval boottime;
323a2641311SDavid E. O'Brien 	size_t bt_size;
3244946a00bSDag-Erling Smørgrav 	int i;
325511d9c65SJoerg Wunsch 
326511d9c65SJoerg Wunsch 	/* get the cp_time array */
32739d513ecSRobert Watson 	GETSYSCTL("kern.cp_time", cp_time);
32898e53e5bSAndrew Gallatin 	GETSYSCTL("vm.loadavg", sysload);
32939d513ecSRobert Watson 	GETSYSCTL("kern.lastpid", lastpid);
330511d9c65SJoerg Wunsch 
331511d9c65SJoerg Wunsch 	/* convert load averages to doubles */
332511d9c65SJoerg Wunsch 	for (i = 0; i < 3; i++)
3334946a00bSDag-Erling Smørgrav 		si->load_avg[i] = (double)sysload.ldavg[i] / sysload.fscale;
334511d9c65SJoerg Wunsch 
335511d9c65SJoerg Wunsch 	/* convert cp_time counts to percentages */
336511d9c65SJoerg Wunsch 	total = percentages(CPUSTATES, cpu_states, cp_time, cp_old, cp_diff);
337511d9c65SJoerg Wunsch 
338511d9c65SJoerg Wunsch 	/* sum memory & swap statistics */
339511d9c65SJoerg Wunsch 	{
340511d9c65SJoerg Wunsch 		static unsigned int swap_delay = 0;
341511d9c65SJoerg Wunsch 		static int swapavail = 0;
342511d9c65SJoerg Wunsch 		static int swapfree = 0;
343511d9c65SJoerg Wunsch 		static int bufspace = 0;
34439d513ecSRobert Watson 		static int nspgsin, nspgsout;
345511d9c65SJoerg Wunsch 
34639d513ecSRobert Watson 		GETSYSCTL("vfs.bufspace", bufspace);
34739d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_active_count", memory_stats[0]);
34839d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_inactive_count", memory_stats[1]);
34939d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_wire_count", memory_stats[2]);
35039d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_cache_count", memory_stats[3]);
35139d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_free_count", memory_stats[5]);
35239d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_swappgsin", nspgsin);
35339d513ecSRobert Watson 		GETSYSCTL("vm.stats.vm.v_swappgsout", nspgsout);
354511d9c65SJoerg Wunsch 		/* convert memory stats to Kbytes */
3556243f7acSThomas Moestl 		memory_stats[0] = pagetok(memory_stats[0]);
3566243f7acSThomas Moestl 		memory_stats[1] = pagetok(memory_stats[1]);
3576243f7acSThomas Moestl 		memory_stats[2] = pagetok(memory_stats[2]);
3586243f7acSThomas Moestl 		memory_stats[3] = pagetok(memory_stats[3]);
359511d9c65SJoerg Wunsch 		memory_stats[4] = bufspace / 1024;
3606243f7acSThomas Moestl 		memory_stats[5] = pagetok(memory_stats[5]);
361511d9c65SJoerg Wunsch 		memory_stats[6] = -1;
362511d9c65SJoerg Wunsch 
363511d9c65SJoerg Wunsch 		/* first interval */
364511d9c65SJoerg Wunsch 		if (swappgsin < 0) {
365511d9c65SJoerg Wunsch 			swap_stats[4] = 0;
366511d9c65SJoerg Wunsch 			swap_stats[5] = 0;
367511d9c65SJoerg Wunsch 		}
368511d9c65SJoerg Wunsch 
369511d9c65SJoerg Wunsch 		/* compute differences between old and new swap statistic */
370511d9c65SJoerg Wunsch 		else {
37139d513ecSRobert Watson 			swap_stats[4] = pagetok(((nspgsin - swappgsin)));
37239d513ecSRobert Watson 			swap_stats[5] = pagetok(((nspgsout - swappgsout)));
373511d9c65SJoerg Wunsch 		}
374511d9c65SJoerg Wunsch 
37539d513ecSRobert Watson 		swappgsin = nspgsin;
37639d513ecSRobert Watson 		swappgsout = nspgsout;
377511d9c65SJoerg Wunsch 
378511d9c65SJoerg Wunsch 		/* call CPU heavy swapmode() only for changes */
379511d9c65SJoerg Wunsch 		if (swap_stats[4] > 0 || swap_stats[5] > 0 || swap_delay == 0) {
380511d9c65SJoerg Wunsch 			swap_stats[3] = swapmode(&swapavail, &swapfree);
381511d9c65SJoerg Wunsch 			swap_stats[0] = swapavail;
382511d9c65SJoerg Wunsch 			swap_stats[1] = swapavail - swapfree;
383511d9c65SJoerg Wunsch 			swap_stats[2] = swapfree;
384511d9c65SJoerg Wunsch 		}
385511d9c65SJoerg Wunsch 		swap_delay = 1;
386511d9c65SJoerg Wunsch 		swap_stats[6] = -1;
387511d9c65SJoerg Wunsch 	}
388511d9c65SJoerg Wunsch 
389511d9c65SJoerg Wunsch 	/* set arrays and strings */
390511d9c65SJoerg Wunsch 	si->cpustates = cpu_states;
391511d9c65SJoerg Wunsch 	si->memory = memory_stats;
392511d9c65SJoerg Wunsch 	si->swap = swap_stats;
393511d9c65SJoerg Wunsch 
394511d9c65SJoerg Wunsch 
395511d9c65SJoerg Wunsch 	if (lastpid > 0) {
396511d9c65SJoerg Wunsch 		si->last_pid = lastpid;
397511d9c65SJoerg Wunsch 	} else {
398511d9c65SJoerg Wunsch 		si->last_pid = -1;
399511d9c65SJoerg Wunsch 	}
400a2641311SDavid E. O'Brien 
401a2641311SDavid E. O'Brien 	/*
402a2641311SDavid E. O'Brien 	 * Print how long system has been up.
403a2641311SDavid E. O'Brien 	 * (Found by looking getting "boottime" from the kernel)
404a2641311SDavid E. O'Brien 	 */
405a2641311SDavid E. O'Brien 	mib[0] = CTL_KERN;
406a2641311SDavid E. O'Brien 	mib[1] = KERN_BOOTTIME;
407a2641311SDavid E. O'Brien 	bt_size = sizeof(boottime);
408a2641311SDavid E. O'Brien 	if (sysctl(mib, 2, &boottime, &bt_size, NULL, 0) != -1 &&
409a2641311SDavid E. O'Brien 	    boottime.tv_sec != 0) {
410a2641311SDavid E. O'Brien 		si->boottime = boottime;
411a2641311SDavid E. O'Brien 	} else {
412a2641311SDavid E. O'Brien 		si->boottime.tv_sec = -1;
413a2641311SDavid E. O'Brien 	}
414511d9c65SJoerg Wunsch }
415511d9c65SJoerg Wunsch 
41698c151d6SAlfred Perlstein #define NOPROC	((void *)-1)
41798c151d6SAlfred Perlstein 
418dcd6f4bdSAlfred Perlstein /*
419dcd6f4bdSAlfred Perlstein  * We need to compare data from the old process entry with the new
420dcd6f4bdSAlfred Perlstein  * process entry.
421dcd6f4bdSAlfred Perlstein  * To facilitate doing this quickly we stash a pointer in the kinfo_proc
422dcd6f4bdSAlfred Perlstein  * structure to cache the mapping.  We also use a negative cache pointer
423dcd6f4bdSAlfred Perlstein  * of NOPROC to avoid duplicate lookups.
424dcd6f4bdSAlfred Perlstein  * XXX: this could be done when the actual processes are fetched, we do
425dcd6f4bdSAlfred Perlstein  * it here out of laziness.
426dcd6f4bdSAlfred Perlstein  */
427db6bb7fcSAlfred Perlstein const struct kinfo_proc *
428db6bb7fcSAlfred Perlstein get_old_proc(struct kinfo_proc *pp)
429db6bb7fcSAlfred Perlstein {
430db6bb7fcSAlfred Perlstein 	struct kinfo_proc **oldpp, *oldp;
431db6bb7fcSAlfred Perlstein 
432dcd6f4bdSAlfred Perlstein 	/*
433dcd6f4bdSAlfred Perlstein 	 * If this is the first fetch of the kinfo_procs then we don't have
434dcd6f4bdSAlfred Perlstein 	 * any previous entries.
435dcd6f4bdSAlfred Perlstein 	 */
436db6bb7fcSAlfred Perlstein 	if (previous_proc_count == 0)
437db6bb7fcSAlfred Perlstein 		return (NULL);
438dcd6f4bdSAlfred Perlstein 	/* negative cache? */
43998c151d6SAlfred Perlstein 	if (pp->ki_udata == NOPROC)
44098c151d6SAlfred Perlstein 		return (NULL);
441dcd6f4bdSAlfred Perlstein 	/* cached? */
44298c151d6SAlfred Perlstein 	if (pp->ki_udata != NULL)
44398c151d6SAlfred Perlstein 		return (pp->ki_udata);
444dcd6f4bdSAlfred Perlstein 	/*
445dcd6f4bdSAlfred Perlstein 	 * Not cached,
446dcd6f4bdSAlfred Perlstein 	 * 1) look up based on pid.
447dcd6f4bdSAlfred Perlstein 	 * 2) compare process start.
448dcd6f4bdSAlfred Perlstein 	 * If we fail here, then setup a negative cache entry, otherwise
449dcd6f4bdSAlfred Perlstein 	 * cache it.
450dcd6f4bdSAlfred Perlstein 	 */
451db6bb7fcSAlfred Perlstein 	oldpp = bsearch(&pp, previous_pref, previous_proc_count,
4524946a00bSDag-Erling Smørgrav 	    sizeof(*previous_pref), compare_pid);
45398c151d6SAlfred Perlstein 	if (oldpp == NULL) {
45498c151d6SAlfred Perlstein 		pp->ki_udata = NOPROC;
455db6bb7fcSAlfred Perlstein 		return (NULL);
45698c151d6SAlfred Perlstein 	}
457db6bb7fcSAlfred Perlstein 	oldp = *oldpp;
45898c151d6SAlfred Perlstein 	if (bcmp(&oldp->ki_start, &pp->ki_start, sizeof(pp->ki_start)) != 0) {
45998c151d6SAlfred Perlstein 		pp->ki_udata = NOPROC;
460db6bb7fcSAlfred Perlstein 		return (NULL);
46198c151d6SAlfred Perlstein 	}
46298c151d6SAlfred Perlstein 	pp->ki_udata = oldp;
463db6bb7fcSAlfred Perlstein 	return (oldp);
464db6bb7fcSAlfred Perlstein }
465db6bb7fcSAlfred Perlstein 
466dcd6f4bdSAlfred Perlstein /*
467dcd6f4bdSAlfred Perlstein  * Return the total amount of IO done in blocks in/out and faults.
468dcd6f4bdSAlfred Perlstein  * store the values individually in the pointers passed in.
469dcd6f4bdSAlfred Perlstein  */
470db6bb7fcSAlfred Perlstein long
471f6a10feaSDag-Erling Smørgrav get_io_stats(struct kinfo_proc *pp, long *inp, long *oup, long *flp)
472db6bb7fcSAlfred Perlstein {
473db6bb7fcSAlfred Perlstein 	const struct kinfo_proc *oldp;
474db6bb7fcSAlfred Perlstein 	static struct kinfo_proc dummy;
475db6bb7fcSAlfred Perlstein 	long ret;
476db6bb7fcSAlfred Perlstein 
477db6bb7fcSAlfred Perlstein 	oldp = get_old_proc(pp);
478db6bb7fcSAlfred Perlstein 	if (oldp == NULL) {
479db6bb7fcSAlfred Perlstein 		bzero(&dummy, sizeof(dummy));
480db6bb7fcSAlfred Perlstein 		oldp = &dummy;
481db6bb7fcSAlfred Perlstein 	}
482db6bb7fcSAlfred Perlstein 
4837fe9a86aSAlfred Perlstein 	*inp = RU(pp)->ru_inblock - RU(oldp)->ru_inblock;
4847fe9a86aSAlfred Perlstein 	*oup = RU(pp)->ru_oublock - RU(oldp)->ru_oublock;
4857fe9a86aSAlfred Perlstein 	*flp = RU(pp)->ru_majflt - RU(oldp)->ru_majflt;
486db6bb7fcSAlfred Perlstein 	ret =
487db6bb7fcSAlfred Perlstein 	    (RU(pp)->ru_inblock - RU(oldp)->ru_inblock) +
488db6bb7fcSAlfred Perlstein 	    (RU(pp)->ru_oublock - RU(oldp)->ru_oublock) +
489db6bb7fcSAlfred Perlstein 	    (RU(pp)->ru_majflt - RU(oldp)->ru_majflt);
490db6bb7fcSAlfred Perlstein 	return (ret);
491db6bb7fcSAlfred Perlstein }
492db6bb7fcSAlfred Perlstein 
493dcd6f4bdSAlfred Perlstein /*
494dcd6f4bdSAlfred Perlstein  * Return the total number of block in/out and faults by a process.
495dcd6f4bdSAlfred Perlstein  */
4967fe9a86aSAlfred Perlstein long
4977fe9a86aSAlfred Perlstein get_io_total(struct kinfo_proc *pp)
4987fe9a86aSAlfred Perlstein {
4997fe9a86aSAlfred Perlstein 	long dummy;
5007fe9a86aSAlfred Perlstein 
5017fe9a86aSAlfred Perlstein 	return (get_io_stats(pp, &dummy, &dummy, &dummy));
5027fe9a86aSAlfred Perlstein }
5037fe9a86aSAlfred Perlstein 
504511d9c65SJoerg Wunsch static struct handle handle;
505511d9c65SJoerg Wunsch 
506970636e9SAlfred Perlstein caddr_t
507f6a10feaSDag-Erling Smørgrav get_process_info(struct system_info *si, struct process_select *sel,
5084946a00bSDag-Erling Smørgrav     int (*compare)(const void *, const void *))
509511d9c65SJoerg Wunsch {
510970636e9SAlfred Perlstein 	int i;
511970636e9SAlfred Perlstein 	int total_procs;
5127fe9a86aSAlfred Perlstein 	long p_io;
5137fe9a86aSAlfred Perlstein 	long p_inblock, p_oublock, p_majflt;
514970636e9SAlfred Perlstein 	int active_procs;
515970636e9SAlfred Perlstein 	struct kinfo_proc **prefp;
516970636e9SAlfred Perlstein 	struct kinfo_proc *pp;
517cac4b14cSBrian Feldman 	struct kinfo_proc *prev_pp = NULL;
518511d9c65SJoerg Wunsch 
519511d9c65SJoerg Wunsch 	/* these are copied out of sel for speed */
520511d9c65SJoerg Wunsch 	int show_idle;
521e7cdb972SDag-Erling Smørgrav 	int show_self;
522511d9c65SJoerg Wunsch 	int show_system;
523511d9c65SJoerg Wunsch 	int show_uid;
524511d9c65SJoerg Wunsch 	int show_command;
525511d9c65SJoerg Wunsch 
526db6bb7fcSAlfred Perlstein 	/*
527db6bb7fcSAlfred Perlstein 	 * Save the previous process info.
528db6bb7fcSAlfred Perlstein 	 */
529db6bb7fcSAlfred Perlstein 	if (previous_proc_count_max < nproc) {
530db6bb7fcSAlfred Perlstein 		free(previous_procs);
5314946a00bSDag-Erling Smørgrav 		previous_procs = malloc(nproc * sizeof(*previous_procs));
532db6bb7fcSAlfred Perlstein 		free(previous_pref);
5334946a00bSDag-Erling Smørgrav 		previous_pref = malloc(nproc * sizeof(*previous_pref));
534db6bb7fcSAlfred Perlstein 		if (previous_procs == NULL || previous_pref == NULL) {
535db6bb7fcSAlfred Perlstein 			(void) fprintf(stderr, "top: Out of memory.\n");
536db6bb7fcSAlfred Perlstein 			quit(23);
537db6bb7fcSAlfred Perlstein 		}
538db6bb7fcSAlfred Perlstein 		previous_proc_count_max = nproc;
539db6bb7fcSAlfred Perlstein 	}
540db6bb7fcSAlfred Perlstein 	if (nproc) {
541db6bb7fcSAlfred Perlstein 		for (i = 0; i < nproc; i++)
542db6bb7fcSAlfred Perlstein 			previous_pref[i] = &previous_procs[i];
5434946a00bSDag-Erling Smørgrav 		bcopy(pbase, previous_procs, nproc * sizeof(*previous_procs));
5444946a00bSDag-Erling Smørgrav 		qsort(previous_pref, nproc, sizeof(*previous_pref), compare_pid);
545db6bb7fcSAlfred Perlstein 	}
546db6bb7fcSAlfred Perlstein 	previous_proc_count = nproc;
547db6bb7fcSAlfred Perlstein 
548cac4b14cSBrian Feldman 	pbase = kvm_getprocs(kd, KERN_PROC_ALL, 0, &nproc);
549511d9c65SJoerg Wunsch 	if (nproc > onproc)
5504946a00bSDag-Erling Smørgrav 		pref = realloc(pref, sizeof(*pref) * (onproc = nproc));
551511d9c65SJoerg Wunsch 	if (pref == NULL || pbase == NULL) {
552511d9c65SJoerg Wunsch 		(void) fprintf(stderr, "top: Out of memory.\n");
553511d9c65SJoerg Wunsch 		quit(23);
554511d9c65SJoerg Wunsch 	}
555511d9c65SJoerg Wunsch 	/* get a pointer to the states summary array */
556511d9c65SJoerg Wunsch 	si->procstates = process_states;
557511d9c65SJoerg Wunsch 
558511d9c65SJoerg Wunsch 	/* set up flags which define what we are going to select */
559511d9c65SJoerg Wunsch 	show_idle = sel->idle;
5609b30d697SDag-Erling Smørgrav 	show_self = sel->self == -1;
561511d9c65SJoerg Wunsch 	show_system = sel->system;
562511d9c65SJoerg Wunsch 	show_uid = sel->uid != -1;
563511d9c65SJoerg Wunsch 	show_command = sel->command != NULL;
564511d9c65SJoerg Wunsch 
565511d9c65SJoerg Wunsch 	/* count up process states and get pointers to interesting procs */
566511d9c65SJoerg Wunsch 	total_procs = 0;
567511d9c65SJoerg Wunsch 	active_procs = 0;
5687fe9a86aSAlfred Perlstein 	total_inblock = 0;
5697fe9a86aSAlfred Perlstein 	total_oublock = 0;
5707fe9a86aSAlfred Perlstein 	total_majflt = 0;
571511d9c65SJoerg Wunsch 	memset((char *)process_states, 0, sizeof(process_states));
572511d9c65SJoerg Wunsch 	prefp = pref;
5734946a00bSDag-Erling Smørgrav 	for (pp = pbase, i = 0; i < nproc; pp++, i++) {
5747fe9a86aSAlfred Perlstein 
575d62a717dSDag-Erling Smørgrav 		if (pp->ki_stat == 0)
576d62a717dSDag-Erling Smørgrav 			/* not in use */
577d62a717dSDag-Erling Smørgrav 			continue;
578d62a717dSDag-Erling Smørgrav 
579d62a717dSDag-Erling Smørgrav 		if (!show_self && pp->ki_pid == sel->self)
580d62a717dSDag-Erling Smørgrav 			/* skip self */
581d62a717dSDag-Erling Smørgrav 			continue;
582d62a717dSDag-Erling Smørgrav 
583d62a717dSDag-Erling Smørgrav 		if (!show_system && (pp->ki_flag & P_SYSTEM))
584d62a717dSDag-Erling Smørgrav 			/* skip system process */
585d62a717dSDag-Erling Smørgrav 			continue;
586d62a717dSDag-Erling Smørgrav 
5877fe9a86aSAlfred Perlstein 		p_io = get_io_stats(pp, &p_inblock, &p_oublock, &p_majflt);
5887fe9a86aSAlfred Perlstein 		total_inblock += p_inblock;
5897fe9a86aSAlfred Perlstein 		total_oublock += p_oublock;
5907fe9a86aSAlfred Perlstein 		total_majflt += p_majflt;
591511d9c65SJoerg Wunsch 		total_procs++;
5924946a00bSDag-Erling Smørgrav 		process_states[pp->ki_stat]++;
593d62a717dSDag-Erling Smørgrav 
594d62a717dSDag-Erling Smørgrav 		if (pp->ki_stat == SZOMB)
595d62a717dSDag-Erling Smørgrav 			/* skip zombies */
596d62a717dSDag-Erling Smørgrav 			continue;
597d62a717dSDag-Erling Smørgrav 
598d62a717dSDag-Erling Smørgrav 		if (displaymode == DISP_CPU && !show_idle &&
599d62a717dSDag-Erling Smørgrav 		    (pp->ki_pctcpu == 0 || pp->ki_stat != SRUN))
600d62a717dSDag-Erling Smørgrav 			/* skip idle or non-running processes */
601d62a717dSDag-Erling Smørgrav 			continue;
602d62a717dSDag-Erling Smørgrav 
603d62a717dSDag-Erling Smørgrav 		if (displaymode == DISP_IO && !show_idle && p_io == 0)
604d62a717dSDag-Erling Smørgrav 			/* skip processes that aren't doing I/O */
605d62a717dSDag-Erling Smørgrav 			continue;
606d62a717dSDag-Erling Smørgrav 
607d62a717dSDag-Erling Smørgrav 		if (show_uid && pp->ki_ruid != (uid_t)sel->uid)
608d62a717dSDag-Erling Smørgrav 			/* skip processes which don't belong to the selected UID */
609d62a717dSDag-Erling Smørgrav 			continue;
610d62a717dSDag-Erling Smørgrav 
611cac4b14cSBrian Feldman 		/*
612cac4b14cSBrian Feldman 		 * When not showing threads, take the first thread
613cac4b14cSBrian Feldman 		 * for output and add the fields that we can from
614cac4b14cSBrian Feldman 		 * the rest of the process's threads rather than
615cac4b14cSBrian Feldman 		 * using the system's mostly-broken KERN_PROC_PROC.
616cac4b14cSBrian Feldman 		 */
6174946a00bSDag-Erling Smørgrav 		if (sel->thread || prev_pp == NULL ||
6184946a00bSDag-Erling Smørgrav 		    prev_pp->ki_pid != pp->ki_pid) {
619511d9c65SJoerg Wunsch 			*prefp++ = pp;
620511d9c65SJoerg Wunsch 			active_procs++;
621cac4b14cSBrian Feldman 			prev_pp = pp;
622cac4b14cSBrian Feldman 		} else {
623cac4b14cSBrian Feldman 			prev_pp->ki_pctcpu += pp->ki_pctcpu;
624cac4b14cSBrian Feldman 		}
625511d9c65SJoerg Wunsch 	}
626511d9c65SJoerg Wunsch 
627511d9c65SJoerg Wunsch 	/* if requested, sort the "interesting" processes */
628511d9c65SJoerg Wunsch 	if (compare != NULL)
6294946a00bSDag-Erling Smørgrav 		qsort(pref, active_procs, sizeof(*pref), compare);
630511d9c65SJoerg Wunsch 
631511d9c65SJoerg Wunsch 	/* remember active and total counts */
632511d9c65SJoerg Wunsch 	si->p_total = total_procs;
633511d9c65SJoerg Wunsch 	si->p_active = pref_len = active_procs;
634511d9c65SJoerg Wunsch 
635511d9c65SJoerg Wunsch 	/* pass back a handle */
636511d9c65SJoerg Wunsch 	handle.next_proc = pref;
637511d9c65SJoerg Wunsch 	handle.remaining = active_procs;
638511d9c65SJoerg Wunsch 	return ((caddr_t)&handle);
639511d9c65SJoerg Wunsch }
640511d9c65SJoerg Wunsch 
6414946a00bSDag-Erling Smørgrav static char fmt[128];	/* static area where result is built */
642511d9c65SJoerg Wunsch 
643970636e9SAlfred Perlstein char *
6444946a00bSDag-Erling Smørgrav format_next_process(caddr_t handle, char *(*get_userid)(int))
645511d9c65SJoerg Wunsch {
646970636e9SAlfred Perlstein 	struct kinfo_proc *pp;
647db6bb7fcSAlfred Perlstein 	const struct kinfo_proc *oldp;
648970636e9SAlfred Perlstein 	long cputime;
649970636e9SAlfred Perlstein 	double pct;
650511d9c65SJoerg Wunsch 	struct handle *hp;
651511d9c65SJoerg Wunsch 	char status[16];
6521005b436SBill Fenner 	int state;
653db6bb7fcSAlfred Perlstein 	struct rusage ru, *rup;
6547fe9a86aSAlfred Perlstein 	long p_tot, s_tot;
655511d9c65SJoerg Wunsch 
656511d9c65SJoerg Wunsch 	/* find and remember the next proc structure */
657511d9c65SJoerg Wunsch 	hp = (struct handle *)handle;
658511d9c65SJoerg Wunsch 	pp = *(hp->next_proc++);
659511d9c65SJoerg Wunsch 	hp->remaining--;
660511d9c65SJoerg Wunsch 
661a8224b82SBruce Evans 	/* get the process's command name */
6620821b7caSJohn Baldwin 	if ((pp->ki_sflag & PS_INMEM) == 0) {
663511d9c65SJoerg Wunsch 		/*
664511d9c65SJoerg Wunsch 		 * Print swapped processes as <pname>
665511d9c65SJoerg Wunsch 		 */
6664946a00bSDag-Erling Smørgrav 		size_t len = strlen(pp->ki_comm);
6674946a00bSDag-Erling Smørgrav 		if (len > sizeof(pp->ki_comm) - 3)
6684946a00bSDag-Erling Smørgrav 			len = sizeof(pp->ki_comm) - 3;
6694946a00bSDag-Erling Smørgrav 		memmove(pp->ki_comm + 1, pp->ki_comm, len);
6704946a00bSDag-Erling Smørgrav 		pp->ki_comm[0] = '<';
6714946a00bSDag-Erling Smørgrav 		pp->ki_comm[len + 1] = '>';
6724946a00bSDag-Erling Smørgrav 		pp->ki_comm[len + 2] = '\0';
673511d9c65SJoerg Wunsch 	}
674511d9c65SJoerg Wunsch 
675a8224b82SBruce Evans 	/*
676a8224b82SBruce Evans 	 * Convert the process's runtime from microseconds to seconds.  This
677a8224b82SBruce Evans 	 * time includes the interrupt time although that is not wanted here.
678a8224b82SBruce Evans 	 * ps(1) is similarly sloppy.
679a8224b82SBruce Evans 	 */
6801f7d2501SKirk McKusick 	cputime = (pp->ki_runtime + 500000) / 1000000;
681511d9c65SJoerg Wunsch 
682511d9c65SJoerg Wunsch 	/* calculate the base for cpu percentages */
6831f7d2501SKirk McKusick 	pct = pctdouble(pp->ki_pctcpu);
684511d9c65SJoerg Wunsch 
685511d9c65SJoerg Wunsch 	/* generate "STATE" field */
6861f7d2501SKirk McKusick 	switch (state = pp->ki_stat) {
687511d9c65SJoerg Wunsch 	case SRUN:
6881f7d2501SKirk McKusick 		if (smpmode && pp->ki_oncpu != 0xff)
6891f7d2501SKirk McKusick 			sprintf(status, "CPU%d", pp->ki_oncpu);
690511d9c65SJoerg Wunsch 		else
691511d9c65SJoerg Wunsch 			strcpy(status, "RUN");
692511d9c65SJoerg Wunsch 		break;
6930d632649SJohn Baldwin 	case SLOCK:
6940d632649SJohn Baldwin 		if (pp->ki_kiflag & KI_LOCKBLOCK) {
6950d632649SJohn Baldwin 			sprintf(status, "*%.6s", pp->ki_lockname);
696089f9b7eSJohn Baldwin 			break;
697089f9b7eSJohn Baldwin 		}
698089f9b7eSJohn Baldwin 		/* fall through */
699511d9c65SJoerg Wunsch 	case SSLEEP:
7001f7d2501SKirk McKusick 		if (pp->ki_wmesg != NULL) {
7011f7d2501SKirk McKusick 			sprintf(status, "%.6s", pp->ki_wmesg);
702511d9c65SJoerg Wunsch 			break;
703511d9c65SJoerg Wunsch 		}
70493b0017fSPhilippe Charnier 		/* FALLTHROUGH */
705511d9c65SJoerg Wunsch 	default:
7061005b436SBill Fenner 
7071005b436SBill Fenner 		if (state >= 0 &&
7081005b436SBill Fenner 		    state < sizeof(state_abbrev) / sizeof(*state_abbrev))
7094946a00bSDag-Erling Smørgrav 			sprintf(status, "%.6s", state_abbrev[state]);
7101005b436SBill Fenner 		else
7111005b436SBill Fenner 			sprintf(status, "?%5d", state);
712511d9c65SJoerg Wunsch 		break;
713511d9c65SJoerg Wunsch 	}
714511d9c65SJoerg Wunsch 
715db6bb7fcSAlfred Perlstein 	if (displaymode == DISP_IO) {
716db6bb7fcSAlfred Perlstein 		oldp = get_old_proc(pp);
717db6bb7fcSAlfred Perlstein 		if (oldp != NULL) {
718db6bb7fcSAlfred Perlstein 			ru.ru_inblock = RU(pp)->ru_inblock - RU(oldp)->ru_inblock;
719db6bb7fcSAlfred Perlstein 			ru.ru_oublock = RU(pp)->ru_oublock - RU(oldp)->ru_oublock;
720db6bb7fcSAlfred Perlstein 			ru.ru_majflt = RU(pp)->ru_majflt - RU(oldp)->ru_majflt;
721db6bb7fcSAlfred Perlstein 			rup = &ru;
722db6bb7fcSAlfred Perlstein 		} else {
723db6bb7fcSAlfred Perlstein 			rup = RU(pp);
724db6bb7fcSAlfred Perlstein 		}
7257fe9a86aSAlfred Perlstein 		p_tot = rup->ru_inblock + rup->ru_oublock + rup->ru_majflt;
7267fe9a86aSAlfred Perlstein 		s_tot = total_inblock + total_oublock + total_majflt;
727db6bb7fcSAlfred Perlstein 
728db6bb7fcSAlfred Perlstein 		sprintf(fmt, io_Proc_format,
729db6bb7fcSAlfred Perlstein 		    pp->ki_pid,
730db6bb7fcSAlfred Perlstein 		    namelength, namelength,
731db6bb7fcSAlfred Perlstein 		    (*get_userid)(pp->ki_ruid),
7324946a00bSDag-Erling Smørgrav 		    rup->ru_inblock,
7334946a00bSDag-Erling Smørgrav 		    rup->ru_oublock,
7344946a00bSDag-Erling Smørgrav 		    rup->ru_majflt,
7354946a00bSDag-Erling Smørgrav 		    p_tot,
7364946a00bSDag-Erling Smørgrav 		    s_tot == 0 ? 0.0 : (p_tot * 100.0 / s_tot),
737db6bb7fcSAlfred Perlstein 		    screen_width > cmdlengthdelta ?
738db6bb7fcSAlfred Perlstein 		    screen_width - cmdlengthdelta : 0,
739db6bb7fcSAlfred Perlstein 		    printable(pp->ki_comm));
740db6bb7fcSAlfred Perlstein 		return (fmt);
741db6bb7fcSAlfred Perlstein 	}
742511d9c65SJoerg Wunsch 	/* format this entry */
743511d9c65SJoerg Wunsch 	sprintf(fmt,
74494154ff8SPeter Wemm 	    smpmode ? smp_Proc_format : up_Proc_format,
7451f7d2501SKirk McKusick 	    pp->ki_pid,
746a2aff8b2SPeter Wemm 	    namelength, namelength,
7471f7d2501SKirk McKusick 	    (*get_userid)(pp->ki_ruid),
7484c85452bSJake Burkholder 	    pp->ki_pri.pri_level - PZERO,
749e5aff02fSPeter Wemm 
750e5aff02fSPeter Wemm 	    /*
751e5aff02fSPeter Wemm 	     * normal time      -> nice value -20 - +20
752e5aff02fSPeter Wemm 	     * real time 0 - 31 -> nice value -52 - -21
753e5aff02fSPeter Wemm 	     * idle time 0 - 31 -> nice value +21 - +52
754e5aff02fSPeter Wemm 	     */
7554c85452bSJake Burkholder 	    (pp->ki_pri.pri_class ==  PRI_TIMESHARE ?
7561f7d2501SKirk McKusick 		pp->ki_nice - NZERO :
7574c85452bSJake Burkholder 		(PRI_IS_REALTIME(pp->ki_pri.pri_class) ?
7584c85452bSJake Burkholder 		    (PRIO_MIN - 1 - (PRI_MAX_REALTIME - pp->ki_pri.pri_level)) :
7594c85452bSJake Burkholder 		    (PRIO_MAX + 1 + pp->ki_pri.pri_level - PRI_MIN_IDLE))),
7608fbaa58aSDmitrij Tejblum 	    format_k2(PROCSIZE(pp)),
7611f7d2501SKirk McKusick 	    format_k2(pagetok(pp->ki_rssize)),
762511d9c65SJoerg Wunsch 	    status,
7631f7d2501SKirk McKusick 	    smpmode ? pp->ki_lastcpu : 0,
764511d9c65SJoerg Wunsch 	    format_time(cputime),
765d24b5183SDoug Rabson 	    100.0 * weighted_cpu(pct, pp),
766d24b5183SDoug Rabson 	    100.0 * pct,
7677f18d5d3SJohn Baldwin 	    screen_width > cmdlengthdelta ?
7687f18d5d3SJohn Baldwin 	    screen_width - cmdlengthdelta :
7697f18d5d3SJohn Baldwin 	    0,
7701f7d2501SKirk McKusick 	    printable(pp->ki_comm));
771511d9c65SJoerg Wunsch 
772511d9c65SJoerg Wunsch 	/* return the result */
773511d9c65SJoerg Wunsch 	return (fmt);
774511d9c65SJoerg Wunsch }
775511d9c65SJoerg Wunsch 
776970636e9SAlfred Perlstein static void
777f6a10feaSDag-Erling Smørgrav getsysctl(char *name, void *ptr, size_t len)
778511d9c65SJoerg Wunsch {
77998e53e5bSAndrew Gallatin 	size_t nlen = len;
780970636e9SAlfred Perlstein 
78139d513ecSRobert Watson 	if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) {
78239d513ecSRobert Watson 		fprintf(stderr, "top: sysctl(%s...) failed: %s\n", name,
78339d513ecSRobert Watson 		    strerror(errno));
784511d9c65SJoerg Wunsch 		quit(23);
785511d9c65SJoerg Wunsch 	}
78639d513ecSRobert Watson 	if (nlen != len) {
787e0038fe5SThomas Moestl 		fprintf(stderr, "top: sysctl(%s...) expected %lu, got %lu\n", name,
788e0038fe5SThomas Moestl 		    (unsigned long)len, (unsigned long)nlen);
78939d513ecSRobert Watson 		quit(23);
790511d9c65SJoerg Wunsch 	}
791511d9c65SJoerg Wunsch }
792511d9c65SJoerg Wunsch 
793f3b2c2d1SWolfram Schneider /* comparison routines for qsort */
794511d9c65SJoerg Wunsch 
795db6bb7fcSAlfred Perlstein int
796f6a10feaSDag-Erling Smørgrav compare_pid(const void *p1, const void *p2)
797db6bb7fcSAlfred Perlstein {
798db6bb7fcSAlfred Perlstein 	const struct kinfo_proc * const *pp1 = p1;
799db6bb7fcSAlfred Perlstein 	const struct kinfo_proc * const *pp2 = p2;
800db6bb7fcSAlfred Perlstein 
801db6bb7fcSAlfred Perlstein 	if ((*pp2)->ki_pid < 0 || (*pp1)->ki_pid < 0)
802db6bb7fcSAlfred Perlstein 		abort();
803db6bb7fcSAlfred Perlstein 
804db6bb7fcSAlfred Perlstein 	return ((*pp1)->ki_pid - (*pp2)->ki_pid);
805db6bb7fcSAlfred Perlstein }
806db6bb7fcSAlfred Perlstein 
807511d9c65SJoerg Wunsch /*
808511d9c65SJoerg Wunsch  *  proc_compare - comparison function for "qsort"
809511d9c65SJoerg Wunsch  *	Compares the resource consumption of two processes using five
810511d9c65SJoerg Wunsch  *	distinct keys.  The keys (in descending order of importance) are:
811511d9c65SJoerg Wunsch  *	percent cpu, cpu ticks, state, resident set size, total virtual
812511d9c65SJoerg Wunsch  *	memory usage.  The process states are ordered as follows (from least
813511d9c65SJoerg Wunsch  *	to most important):  WAIT, zombie, sleep, stop, start, run.  The
814511d9c65SJoerg Wunsch  *	array declaration below maps a process state index into a number
815511d9c65SJoerg Wunsch  *	that reflects this ordering.
816511d9c65SJoerg Wunsch  */
817511d9c65SJoerg Wunsch 
8184946a00bSDag-Erling Smørgrav static int sorted_state[] =
819511d9c65SJoerg Wunsch {
820511d9c65SJoerg Wunsch 	0,	/* not used		*/
821511d9c65SJoerg Wunsch 	3,	/* sleep		*/
822511d9c65SJoerg Wunsch 	1,	/* ABANDONED (WAIT)	*/
823511d9c65SJoerg Wunsch 	6,	/* run			*/
824511d9c65SJoerg Wunsch 	5,	/* start		*/
825511d9c65SJoerg Wunsch 	2,	/* zombie		*/
826511d9c65SJoerg Wunsch 	4	/* stop			*/
827511d9c65SJoerg Wunsch };
828511d9c65SJoerg Wunsch 
829f3b2c2d1SWolfram Schneider 
8304946a00bSDag-Erling Smørgrav #define ORDERKEY_PCTCPU(a, b) do { \
831f92a1155SDag-Erling Smørgrav 	long diff = (long)(b)->ki_pctcpu - (long)(a)->ki_pctcpu; \
8324946a00bSDag-Erling Smørgrav 	if (diff != 0) \
8334946a00bSDag-Erling Smørgrav 		return (diff > 0 ? 1 : -1); \
8344946a00bSDag-Erling Smørgrav } while (0)
835f3b2c2d1SWolfram Schneider 
8364946a00bSDag-Erling Smørgrav #define ORDERKEY_CPTICKS(a, b) do { \
837e38035a5SDag-Erling Smørgrav 	int64_t diff = (int64_t)(b)->ki_runtime - (int64_t)(a)->ki_runtime; \
8384946a00bSDag-Erling Smørgrav 	if (diff != 0) \
8394946a00bSDag-Erling Smørgrav 		return (diff > 0 ? 1 : -1); \
8404946a00bSDag-Erling Smørgrav } while (0)
841f3b2c2d1SWolfram Schneider 
8424946a00bSDag-Erling Smørgrav #define ORDERKEY_STATE(a, b) do { \
8434946a00bSDag-Erling Smørgrav 	int diff = sorted_state[(b)->ki_stat] - sorted_state[(a)->ki_stat]; \
8444946a00bSDag-Erling Smørgrav 	if (diff != 0) \
8454946a00bSDag-Erling Smørgrav 		return (diff > 0 ? 1 : -1); \
8464946a00bSDag-Erling Smørgrav } while (0)
847f3b2c2d1SWolfram Schneider 
8484946a00bSDag-Erling Smørgrav #define ORDERKEY_PRIO(a, b) do { \
849e38035a5SDag-Erling Smørgrav 	int diff = (int)(b)->ki_pri.pri_level - (int)(a)->ki_pri.pri_level; \
8504946a00bSDag-Erling Smørgrav 	if (diff != 0) \
8514946a00bSDag-Erling Smørgrav 		return (diff > 0 ? 1 : -1); \
8524946a00bSDag-Erling Smørgrav } while (0)
853f3b2c2d1SWolfram Schneider 
8544946a00bSDag-Erling Smørgrav #define ORDERKEY_RSSIZE(a, b) do { \
855e38035a5SDag-Erling Smørgrav 	long diff = (long)(b)->ki_rssize - (long)(a)->ki_rssize; \
8564946a00bSDag-Erling Smørgrav 	if (diff != 0) \
8574946a00bSDag-Erling Smørgrav 		return (diff > 0 ? 1 : -1); \
8584946a00bSDag-Erling Smørgrav } while (0)
859f3b2c2d1SWolfram Schneider 
8604946a00bSDag-Erling Smørgrav #define ORDERKEY_MEM(a, b) do { \
861e38035a5SDag-Erling Smørgrav 	long diff = (long)PROCSIZE((b)) - (long)PROCSIZE((a)); \
8624946a00bSDag-Erling Smørgrav 	if (diff != 0) \
8634946a00bSDag-Erling Smørgrav 		return (diff > 0 ? 1 : -1); \
8644946a00bSDag-Erling Smørgrav } while (0)
865f3b2c2d1SWolfram Schneider 
866f3b2c2d1SWolfram Schneider /* compare_cpu - the comparison function for sorting by cpu percentage */
867f3b2c2d1SWolfram Schneider 
868511d9c65SJoerg Wunsch int
869f3b2c2d1SWolfram Schneider #ifdef ORDER
8704946a00bSDag-Erling Smørgrav compare_cpu(void *arg1, void *arg2)
871f3b2c2d1SWolfram Schneider #else
8724946a00bSDag-Erling Smørgrav proc_compare(void *arg1, void *arg2)
873f3b2c2d1SWolfram Schneider #endif
874511d9c65SJoerg Wunsch {
8754946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
8764946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
877511d9c65SJoerg Wunsch 
8784946a00bSDag-Erling Smørgrav 	ORDERKEY_PCTCPU(p1, p2);
8794946a00bSDag-Erling Smørgrav 	ORDERKEY_CPTICKS(p1, p2);
8804946a00bSDag-Erling Smørgrav 	ORDERKEY_STATE(p1, p2);
8814946a00bSDag-Erling Smørgrav 	ORDERKEY_PRIO(p1, p2);
8824946a00bSDag-Erling Smørgrav 	ORDERKEY_RSSIZE(p1, p2);
8834946a00bSDag-Erling Smørgrav 	ORDERKEY_MEM(p1, p2);
884511d9c65SJoerg Wunsch 
8854946a00bSDag-Erling Smørgrav 	return (0);
886511d9c65SJoerg Wunsch }
887511d9c65SJoerg Wunsch 
888f3b2c2d1SWolfram Schneider #ifdef ORDER
889f3b2c2d1SWolfram Schneider /* compare routines */
890f3b2c2d1SWolfram Schneider int compare_size(), compare_res(), compare_time(), compare_prio();
891f3b2c2d1SWolfram Schneider 
892f3b2c2d1SWolfram Schneider int (*proc_compares[])() = {
893f3b2c2d1SWolfram Schneider 	compare_cpu,
894f3b2c2d1SWolfram Schneider 	compare_size,
895f3b2c2d1SWolfram Schneider 	compare_res,
896f3b2c2d1SWolfram Schneider 	compare_time,
897f3b2c2d1SWolfram Schneider 	compare_prio,
898f3b2c2d1SWolfram Schneider 	NULL
899f3b2c2d1SWolfram Schneider };
900f3b2c2d1SWolfram Schneider 
901f3b2c2d1SWolfram Schneider /* compare_size - the comparison function for sorting by total memory usage */
902f3b2c2d1SWolfram Schneider 
903f3b2c2d1SWolfram Schneider int
9044946a00bSDag-Erling Smørgrav compare_size(void *arg1, void *arg2)
905f3b2c2d1SWolfram Schneider {
9064946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
9074946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
908f3b2c2d1SWolfram Schneider 
9094946a00bSDag-Erling Smørgrav 	ORDERKEY_MEM(p1, p2);
9104946a00bSDag-Erling Smørgrav 	ORDERKEY_RSSIZE(p1, p2);
9114946a00bSDag-Erling Smørgrav 	ORDERKEY_PCTCPU(p1, p2);
9124946a00bSDag-Erling Smørgrav 	ORDERKEY_CPTICKS(p1, p2);
9134946a00bSDag-Erling Smørgrav 	ORDERKEY_STATE(p1, p2);
9144946a00bSDag-Erling Smørgrav 	ORDERKEY_PRIO(p1, p2);
915f3b2c2d1SWolfram Schneider 
9164946a00bSDag-Erling Smørgrav 	return (0);
917f3b2c2d1SWolfram Schneider }
918f3b2c2d1SWolfram Schneider 
919f3b2c2d1SWolfram Schneider /* compare_res - the comparison function for sorting by resident set size */
920f3b2c2d1SWolfram Schneider 
921f3b2c2d1SWolfram Schneider int
9224946a00bSDag-Erling Smørgrav compare_res(void *arg1, void *arg2)
923f3b2c2d1SWolfram Schneider {
9244946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
9254946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
926f3b2c2d1SWolfram Schneider 
9274946a00bSDag-Erling Smørgrav 	ORDERKEY_RSSIZE(p1, p2);
9284946a00bSDag-Erling Smørgrav 	ORDERKEY_MEM(p1, p2);
9294946a00bSDag-Erling Smørgrav 	ORDERKEY_PCTCPU(p1, p2);
9304946a00bSDag-Erling Smørgrav 	ORDERKEY_CPTICKS(p1, p2);
9314946a00bSDag-Erling Smørgrav 	ORDERKEY_STATE(p1, p2);
9324946a00bSDag-Erling Smørgrav 	ORDERKEY_PRIO(p1, p2);
933f3b2c2d1SWolfram Schneider 
9344946a00bSDag-Erling Smørgrav 	return (0);
935f3b2c2d1SWolfram Schneider }
936f3b2c2d1SWolfram Schneider 
937f3b2c2d1SWolfram Schneider /* compare_time - the comparison function for sorting by total cpu time */
938f3b2c2d1SWolfram Schneider 
939f3b2c2d1SWolfram Schneider int
9404946a00bSDag-Erling Smørgrav compare_time(void *arg1, void *arg2)
941f3b2c2d1SWolfram Schneider {
9424946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
9434946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
944f3b2c2d1SWolfram Schneider 
9454946a00bSDag-Erling Smørgrav 	ORDERKEY_CPTICKS(p1, p2);
9464946a00bSDag-Erling Smørgrav 	ORDERKEY_PCTCPU(p1, p2);
9474946a00bSDag-Erling Smørgrav 	ORDERKEY_STATE(p1, p2);
9484946a00bSDag-Erling Smørgrav 	ORDERKEY_PRIO(p1, p2);
9494946a00bSDag-Erling Smørgrav 	ORDERKEY_RSSIZE(p1, p2);
9504946a00bSDag-Erling Smørgrav 	ORDERKEY_MEM(p1, p2);
951f3b2c2d1SWolfram Schneider 
9524946a00bSDag-Erling Smørgrav 	return (0);
953f3b2c2d1SWolfram Schneider }
954f3b2c2d1SWolfram Schneider 
9554946a00bSDag-Erling Smørgrav /* compare_prio - the comparison function for sorting by priority */
956f3b2c2d1SWolfram Schneider 
957f3b2c2d1SWolfram Schneider int
9584946a00bSDag-Erling Smørgrav compare_prio(void *arg1, void *arg2)
959f3b2c2d1SWolfram Schneider {
9604946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
9614946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
962f3b2c2d1SWolfram Schneider 
9634946a00bSDag-Erling Smørgrav 	ORDERKEY_PRIO(p1, p2);
9644946a00bSDag-Erling Smørgrav 	ORDERKEY_CPTICKS(p1, p2);
9654946a00bSDag-Erling Smørgrav 	ORDERKEY_PCTCPU(p1, p2);
9664946a00bSDag-Erling Smørgrav 	ORDERKEY_STATE(p1, p2);
9674946a00bSDag-Erling Smørgrav 	ORDERKEY_RSSIZE(p1, p2);
9684946a00bSDag-Erling Smørgrav 	ORDERKEY_MEM(p1, p2);
969f3b2c2d1SWolfram Schneider 
9704946a00bSDag-Erling Smørgrav 	return (0);
971f3b2c2d1SWolfram Schneider }
972f3b2c2d1SWolfram Schneider #endif
973511d9c65SJoerg Wunsch 
97426b2243aSGiorgos Keramidas /* compare_io - the comparison function for sorting by total io */
97526b2243aSGiorgos Keramidas 
976db6bb7fcSAlfred Perlstein int
97726b2243aSGiorgos Keramidas #ifdef ORDER
97826b2243aSGiorgos Keramidas compare_iototal(void *arg1, void *arg2)
97926b2243aSGiorgos Keramidas #else
9804946a00bSDag-Erling Smørgrav io_compare(void *arg1, void *arg2)
98126b2243aSGiorgos Keramidas #endif
982db6bb7fcSAlfred Perlstein {
9834946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
9844946a00bSDag-Erling Smørgrav 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
985db6bb7fcSAlfred Perlstein 
9864946a00bSDag-Erling Smørgrav 	return (get_io_total(p2) - get_io_total(p1));
987db6bb7fcSAlfred Perlstein }
98826b2243aSGiorgos Keramidas 
98926b2243aSGiorgos Keramidas #ifdef ORDER
99026b2243aSGiorgos Keramidas /* io compare routines */
99126b2243aSGiorgos Keramidas int compare_ioread(), compare_iowrite(), compare_iofault();
99226b2243aSGiorgos Keramidas 
99326b2243aSGiorgos Keramidas int (*io_compares[])() = {
99426b2243aSGiorgos Keramidas 	compare_iototal,
99526b2243aSGiorgos Keramidas 	compare_ioread,
99626b2243aSGiorgos Keramidas 	compare_iowrite,
99726b2243aSGiorgos Keramidas 	compare_iofault,
99826b2243aSGiorgos Keramidas 	NULL
99926b2243aSGiorgos Keramidas };
100026b2243aSGiorgos Keramidas 
100126b2243aSGiorgos Keramidas int
100226b2243aSGiorgos Keramidas compare_ioread(void *arg1, void *arg2)
100326b2243aSGiorgos Keramidas {
100426b2243aSGiorgos Keramidas 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
100526b2243aSGiorgos Keramidas 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
100626b2243aSGiorgos Keramidas 	long dummy, inp1, inp2;
100726b2243aSGiorgos Keramidas 
100826b2243aSGiorgos Keramidas 	(void) get_io_stats(p1, &inp1, &dummy, &dummy);
100926b2243aSGiorgos Keramidas 	(void) get_io_stats(p2, &inp2, &dummy, &dummy);
101026b2243aSGiorgos Keramidas 
101126b2243aSGiorgos Keramidas 	return (inp2 - inp1);
101226b2243aSGiorgos Keramidas }
101326b2243aSGiorgos Keramidas 
101426b2243aSGiorgos Keramidas int
101526b2243aSGiorgos Keramidas compare_iowrite(void *arg1, void *arg2)
101626b2243aSGiorgos Keramidas {
101726b2243aSGiorgos Keramidas 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
101826b2243aSGiorgos Keramidas 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
101926b2243aSGiorgos Keramidas 	long dummy, oup1, oup2;
102026b2243aSGiorgos Keramidas 
102126b2243aSGiorgos Keramidas 	(void) get_io_stats(p1, &dummy, &oup1, &dummy);
102226b2243aSGiorgos Keramidas 	(void) get_io_stats(p2, &dummy, &oup2, &dummy);
102326b2243aSGiorgos Keramidas 
102426b2243aSGiorgos Keramidas 	return (oup2 - oup1);
102526b2243aSGiorgos Keramidas }
102626b2243aSGiorgos Keramidas 
102726b2243aSGiorgos Keramidas int
102826b2243aSGiorgos Keramidas compare_iofault(void *arg1, void *arg2)
102926b2243aSGiorgos Keramidas {
103026b2243aSGiorgos Keramidas 	struct kinfo_proc *p1 = *(struct kinfo_proc **)arg1;
103126b2243aSGiorgos Keramidas 	struct kinfo_proc *p2 = *(struct kinfo_proc **)arg2;
103226b2243aSGiorgos Keramidas 	long dummy, flp1, flp2;
103326b2243aSGiorgos Keramidas 
103426b2243aSGiorgos Keramidas 	(void) get_io_stats(p1, &dummy, &dummy, &flp1);
103526b2243aSGiorgos Keramidas 	(void) get_io_stats(p2, &dummy, &dummy, &flp2);
103626b2243aSGiorgos Keramidas 
103726b2243aSGiorgos Keramidas 	return (flp2 - flp1);
103826b2243aSGiorgos Keramidas }
103926b2243aSGiorgos Keramidas 
104026b2243aSGiorgos Keramidas #endif /* ORDER */
104126b2243aSGiorgos Keramidas 
1042511d9c65SJoerg Wunsch /*
1043511d9c65SJoerg Wunsch  * proc_owner(pid) - returns the uid that owns process "pid", or -1 if
1044511d9c65SJoerg Wunsch  *		the process does not exist.
1045511d9c65SJoerg Wunsch  *		It is EXTREMLY IMPORTANT that this function work correctly.
1046511d9c65SJoerg Wunsch  *		If top runs setuid root (as in SVR4), then this function
1047511d9c65SJoerg Wunsch  *		is the only thing that stands in the way of a serious
1048511d9c65SJoerg Wunsch  *		security problem.  It validates requests for the "kill"
1049511d9c65SJoerg Wunsch  *		and "renice" commands.
1050511d9c65SJoerg Wunsch  */
1051511d9c65SJoerg Wunsch 
1052970636e9SAlfred Perlstein int
1053f6a10feaSDag-Erling Smørgrav proc_owner(int pid)
1054511d9c65SJoerg Wunsch {
1055970636e9SAlfred Perlstein 	int cnt;
1056970636e9SAlfred Perlstein 	struct kinfo_proc **prefp;
1057970636e9SAlfred Perlstein 	struct kinfo_proc *pp;
1058511d9c65SJoerg Wunsch 
1059511d9c65SJoerg Wunsch 	prefp = pref;
1060511d9c65SJoerg Wunsch 	cnt = pref_len;
10614946a00bSDag-Erling Smørgrav 	while (--cnt >= 0) {
1062511d9c65SJoerg Wunsch 		pp = *prefp++;
10631f7d2501SKirk McKusick 		if (pp->ki_pid == (pid_t)pid)
10641f7d2501SKirk McKusick 			return ((int)pp->ki_ruid);
1065511d9c65SJoerg Wunsch 	}
1066511d9c65SJoerg Wunsch 	return (-1);
1067511d9c65SJoerg Wunsch }
1068511d9c65SJoerg Wunsch 
1069511d9c65SJoerg Wunsch int
1070f6a10feaSDag-Erling Smørgrav swapmode(int *retavail, int *retfree)
1071511d9c65SJoerg Wunsch {
10727bb42db9SMatthew Dillon 	int n;
10737bb42db9SMatthew Dillon 	int pagesize = getpagesize();
10747bb42db9SMatthew Dillon 	struct kvm_swap swapary[1];
1075511d9c65SJoerg Wunsch 
10767bb42db9SMatthew Dillon 	*retavail = 0;
10777bb42db9SMatthew Dillon 	*retfree = 0;
1078511d9c65SJoerg Wunsch 
10797bb42db9SMatthew Dillon #define CONVERT(v)	((quad_t)(v) * pagesize / 1024)
10807bb42db9SMatthew Dillon 
10817bb42db9SMatthew Dillon 	n = kvm_getswapinfo(kd, swapary, 1, 0);
108247b370f5SMatthew Dillon 	if (n < 0 || swapary[0].ksw_total == 0)
1083511d9c65SJoerg Wunsch 		return (0);
1084511d9c65SJoerg Wunsch 
10857bb42db9SMatthew Dillon 	*retavail = CONVERT(swapary[0].ksw_total);
10867bb42db9SMatthew Dillon 	*retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used);
10877bb42db9SMatthew Dillon 
10884946a00bSDag-Erling Smørgrav 	n = (int)(swapary[0].ksw_used * 100.0 / swapary[0].ksw_total);
10897bb42db9SMatthew Dillon 	return (n);
1090511d9c65SJoerg Wunsch }
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