src/libstatgrab/process_stats.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id: process_stats.c,v 1.56 2004/04/06 14:44:29 tdb Exp $
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "statgrab.h"
#include "tools.h"
#include "vector.h"
#if defined(SOLARIS) || defined(LINUX)
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#endif

#ifdef SOLARIS
#include <procfs.h>
#include <limits.h>
#define PROC_LOCATION "/proc"
#define MAX_FILE_LENGTH PATH_MAX
#endif
#ifdef LINUX
#include <limits.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#define PROC_LOCATION "/proc"
#define MAX_FILE_LENGTH PATH_MAX
#endif
#ifdef ALLBSD
#include <stdlib.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#if defined(FREEBSD) || defined(DFBSD)
#include <sys/user.h>
#else
#include <sys/proc.h>
#endif
#include <string.h>
#include <paths.h>
#include <fcntl.h>
#include <limits.h>
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
#include <kvm.h>
#include <tools.h>
#endif
#include <unistd.h>
#ifdef NETBSD2
#include <sys/lwp.h>
#endif
#endif

static void proc_state_init(sg_process_stats *s) {
        s->process_name = NULL;
        s->proctitle = NULL;
}

static void proc_state_destroy(sg_process_stats *s) {
        free(s->process_name);
        free(s->proctitle);
}

sg_process_stats *sg_get_process_stats(int *entries){
        VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
                              proc_state_init, proc_state_destroy);
        int proc_state_size = 0;
        sg_process_stats *proc_state_ptr;
#ifdef ALLBSD
        int mib[4];
        size_t size;
        struct kinfo_proc *kp_stats;
        int procs, i;
        char *proctitle;
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
        kvm_t *kvmd;
        char **args, **argsp;
        int argslen = 0;
#else
        long buflen;
        char *p;
#endif
#ifdef NETBSD2
        int lwps;
        struct kinfo_lwp *kl_stats;
#endif
#endif
#if defined(SOLARIS) || defined(LINUX)
        DIR *proc_dir;
        struct dirent *dir_entry;
        char filename[MAX_FILE_LENGTH];
        FILE *f;
#ifdef SOLARIS
        psinfo_t process_info;
#endif
#ifdef LINUX
        char s;
        /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
        char ps_name[4096];
        char *ptr;
        VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
        unsigned long stime, utime;
        int x;
        int fn;
        int len;
        int rc;
#endif

        if((proc_dir=opendir(PROC_LOCATION))==NULL){
                return NULL;
        }

        while((dir_entry=readdir(proc_dir))!=NULL){
                if(atoi(dir_entry->d_name) == 0) continue;

#ifdef SOLARIS
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
#endif
#ifdef LINUX
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
#endif
                if((f=fopen(filename, "r"))==NULL){
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }
#ifdef SOLARIS
                fread(&process_info, sizeof(psinfo_t), 1, f);
#endif

                if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
                        return NULL;
                }
                proc_state_ptr = proc_state+proc_state_size;

#ifdef SOLARIS          
                proc_state_ptr->pid = process_info.pr_pid;
                proc_state_ptr->parent = process_info.pr_ppid;
                proc_state_ptr->pgid = process_info.pr_pgid;
                proc_state_ptr->uid = process_info.pr_uid;
                proc_state_ptr->euid = process_info.pr_euid;
                proc_state_ptr->gid = process_info.pr_gid;
                proc_state_ptr->egid = process_info.pr_egid;
                proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
                proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
                proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
                proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
                proc_state_ptr->process_name = strdup(process_info.pr_fname);
                proc_state_ptr->proctitle = strdup(process_info.pr_psargs);

                if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
                if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; 
                if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; 
                if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
#endif
#ifdef LINUX
                x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %*u %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
                proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
                if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
        
                /* pa_name[0] should = '(' */
                ptr = strchr(&ps_name[1], ')'); 
                if(ptr !=NULL) *ptr='\0';

                if (sg_update_string(&proc_state_ptr->process_name,
                                     &ps_name[1]) < 0) {
                        return NULL;
                }

                /* Need to do cpu */
                

                fclose(f);

                /* proctitle */ 
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);

                if((fn=open(filename, O_RDONLY)) == -1){
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }

#define READ_BLOCK_SIZE 128
                len = 0;
                do {
                        if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
                                return NULL;
                        }
                        rc = read(fn, psargs + len, READ_BLOCK_SIZE);
                        if (rc > 0) {
                                len += rc;
                        }
                } while (rc == READ_BLOCK_SIZE);
                close(fn);

                if (rc == -1) {
                        /* Read failed; move on. */
                        continue;
                }

                /* Turn \0s into spaces within the command line. */
                ptr = psargs;
                for(x = 0; x < len; x++) {
                        if (*ptr == '\0') *ptr = ' ';
                        ptr++;
                }

                if (len == 0) {
                        /* We want psargs to be NULL. */
                        if (VECTOR_RESIZE(psargs, 0) < 0) {
                                return NULL;
                        }
                } else {
                        /* Not empty, so append a \0. */
                        if (VECTOR_RESIZE(psargs, len + 1) < 0) {
                                return NULL;
                        }
                        psargs[len] = '\0';
                }

                if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
                        return NULL;
                }
#endif

                proc_state_size++;
        }
        closedir(proc_dir);
#endif

#ifdef ALLBSD
        mib[0] = CTL_KERN;
        mib[1] = KERN_PROC;
        mib[2] = KERN_PROC_ALL;

        if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
                return NULL;
        }

        procs = size / sizeof(struct kinfo_proc);

        kp_stats = malloc(size);
        if(kp_stats == NULL) {
                return NULL;
        }
        memset(kp_stats, 0, size);

        if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
                free(kp_stats);
                return NULL;
        }

#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
        kvmd = sg_get_kvm2();
#endif

        for (i = 0; i < procs; i++) {
                const char *name;

#ifdef FREEBSD5
                if (kp_stats[i].ki_stat == 0) {
#else
                if (kp_stats[i].kp_proc.p_stat == 0) {
#endif
                        /* FreeBSD 5 deliberately overallocates the array that
                         * the sysctl returns, so we'll get a few junk
                         * processes on the end that we have to ignore. (Search
                         * for "overestimate by 5 procs" in
                         * src/sys/kern/kern_proc.c for more details.) */
                        continue;
                }

                if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
                        return NULL;
                }
                proc_state_ptr = proc_state+proc_state_size;

#ifdef FREEBSD5
                name = kp_stats[i].ki_comm;
#elif defined(DFBSD)
                name = kp_stats[i].kp_thread.td_comm;
#else
                name = kp_stats[i].kp_proc.p_comm;
#endif
                if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
                        return NULL;
                }

#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
                size = sizeof(buflen);

#ifdef FREEBSD5
                if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
                        return NULL;
                }
#else
                /* FIXME - this value can be too large on some of
                   the BSD's, which causes sysctl not to return
                   anything. Maybe we need something smaller? */
                mib[1] = KERN_ARGMAX;

                if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
                        return NULL;
                }
#endif

                proctitle = malloc(buflen);
                if(proctitle == NULL) {
                        return NULL;
                }

                size = buflen;

#ifdef FREEBSD5
                mib[2] = KERN_PROC_ARGS;
                mib[3] = kp_stats[i].ki_pid;
#else
                mib[1] = KERN_PROC_ARGS;
                mib[2] = kp_stats[i].kp_proc.p_pid;
                mib[3] = KERN_PROC_ARGV;
#endif

                free(proc_state_ptr->proctitle);
                if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
                        free(proctitle);
                        proc_state_ptr->proctitle = NULL;
                }
                else if(size > 0) {
                        proc_state_ptr->proctitle = malloc(size+1);
                        if(proc_state_ptr->proctitle == NULL) {
                                return NULL;
                        }
                        p = proctitle;
                        proc_state_ptr->proctitle[0] = '\0';
                        do {
                                sg_strlcat(proc_state_ptr->proctitle, p, size+1);
                                sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
                                p += strlen(p) + 1;
                        } while (p < proctitle + size);
                        free(proctitle);
                        /* remove trailing space */
                        proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
                }
                else {
                        free(proctitle);
                        proc_state_ptr->proctitle = NULL;
                }
#else
                free(proc_state_ptr->proctitle);
                if(kvmd != NULL) {
                        args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
                        if(args != NULL) {
                                argsp = args;
                                while(*argsp != NULL) {
                                        argslen += strlen(*argsp) + 1;
                                        argsp++;
                                }
                                proctitle = malloc(argslen + 1);
                                proctitle[0] = '\0';
                                if(proctitle == NULL) {
                                        return NULL;
                                }
                                while(*args != NULL) {
                                        sg_strlcat(proctitle, *args, argslen + 1);
                                        sg_strlcat(proctitle, " ", argslen + 1);
                                        args++;
                                }
                                /* remove trailing space */
                                proctitle[strlen(proctitle)-1] = '\0';
                                proc_state_ptr->proctitle = proctitle;
                        }
                        else {
                                proc_state_ptr->proctitle = NULL;
                        }
                }
                else {
                        proc_state_ptr->proctitle = NULL;
                }
#endif

#ifdef FREEBSD5
                proc_state_ptr->pid = kp_stats[i].ki_pid;
                proc_state_ptr->parent = kp_stats[i].ki_ppid;
                proc_state_ptr->pgid = kp_stats[i].ki_pgid;
#else
                proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
                proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
                proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
#endif

#ifdef FREEBSD5
                proc_state_ptr->uid = kp_stats[i].ki_ruid;
                proc_state_ptr->euid = kp_stats[i].ki_uid;
                proc_state_ptr->gid = kp_stats[i].ki_rgid;
                proc_state_ptr->egid = kp_stats[i].ki_svgid;
#elif defined(DFBSD)
                proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
                proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
                proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
                proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
#else
                proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
                proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
                proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
                proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
#endif

#ifdef FREEBSD5
                proc_state_ptr->proc_size = kp_stats[i].ki_size;
                /* This is in pages */
                proc_state_ptr->proc_resident =
                        kp_stats[i].ki_rssize * getpagesize();
                /* This is in microseconds */
                proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
                proc_state_ptr->cpu_percent =
                        ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
                proc_state_ptr->nice = kp_stats[i].ki_nice;
#else
                proc_state_ptr->proc_size =
                        kp_stats[i].kp_eproc.e_vm.vm_map.size;
                /* This is in pages */
                proc_state_ptr->proc_resident =
                        kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
#if defined(NETBSD) || defined(OPENBSD)
                proc_state_ptr->time_spent =
                        kp_stats[i].kp_proc.p_rtime.tv_sec;
#elif defined(DFBSD)
                proc_state_ptr->time_spent = 
                        ( kp_stats[i].kp_thread.td_uticks +
                        kp_stats[i].kp_thread.td_sticks +
                        kp_stats[i].kp_thread.td_iticks ) / 1000000;
#else
                /* This is in microseconds */
                proc_state_ptr->time_spent =
                        kp_stats[i].kp_proc.p_runtime / 1000000;
#endif
                proc_state_ptr->cpu_percent =
                        ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
                proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
#endif

#ifdef NETBSD2
                {
                        size_t size;
                        int mib[5];

                        mib[0] = CTL_KERN;
                        mib[1] = KERN_LWP;
                        mib[2] = kp_stats[i].kp_proc.p_pid;
                        mib[3] = sizeof(struct kinfo_lwp);
                        mib[4] = 0;

                        if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
                                return NULL;
                        }

                        lwps = size / sizeof(struct kinfo_lwp);
                        mib[4] = lwps;

                        kl_stats = malloc(size);
                        if(kl_stats == NULL) {
                                return NULL;
                        }

                        if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
                                return NULL;
                        }
                }

                switch(kp_stats[i].kp_proc.p_stat) {
                case SIDL:
                        proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                        break;
                case SACTIVE:
                        {
                                int i;

                                for(i = 0; i < lwps; i++) {
                                        switch(kl_stats[i].l_stat) {
                                        case LSONPROC:
                                        case LSRUN:
                                                proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                                                goto end;
                                        case LSSLEEP:
                                                proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                                                goto end;
                                        case LSSTOP:
                                        case LSSUSPENDED:
                                                proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                                                goto end;
                                        }
                                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                                }
                                end: ;
                        }
                        break;
                case SSTOP:
                        proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                        break;
                case SZOMB:
                        proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                        break;
                default:
                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                        break;
                }
#else
#ifdef FREEBSD5
                switch (kp_stats[i].ki_stat) {
#else
                switch (kp_stats[i].kp_proc.p_stat) {
#endif
                case SIDL:
                case SRUN:
#ifdef SONPROC
                case SONPROC: /* NetBSD */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                        break;
                case SSLEEP:
#ifdef SWAIT
                case SWAIT: /* FreeBSD 5 */
#endif
#ifdef SLOCK
                case SLOCK: /* FreeBSD 5 */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                        break;
                case SSTOP:
                        proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                        break;
                case SZOMB:
#ifdef SDEAD
                case SDEAD: /* OpenBSD & NetBSD */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                        break;
                default:
                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                        break;
                }
#endif
                proc_state_size++;
        }

        free(kp_stats);
#endif

#ifdef CYGWIN
        return NULL;
#endif

        *entries = proc_state_size;
        return proc_state;
}

sg_process_count *sg_get_process_count() {
        static sg_process_count process_stat;
        sg_process_stats *ps;
        int ps_size, x;

        process_stat.sleeping = 0;
        process_stat.running = 0;
        process_stat.zombie = 0;
        process_stat.stopped = 0;
        process_stat.total = 0;

        ps = sg_get_process_stats(&ps_size);
        if (ps == NULL) {
                return NULL;
        }

        for(x = 0; x < ps_size; x++) {
                switch (ps->state) {
                case SG_PROCESS_STATE_RUNNING:
                        process_stat.running++;
                        break;
                case SG_PROCESS_STATE_SLEEPING:
                        process_stat.sleeping++;
                        break;
                case SG_PROCESS_STATE_STOPPED:
                        process_stat.stopped++;
                        break;
                case SG_PROCESS_STATE_ZOMBIE:
                        process_stat.zombie++;
                        break;
                default:
                        /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
                         * sg_process_count */
                        break;
                }
                ps++;
        }

        process_stat.total = ps_size;

        return &process_stat;
}
Revision:	1.57
Committed:	Tue Apr 6 14:52:58 2004 UTC (20 years, 1 month ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.56:	+2 -2 lines
Log Message:	Update name of project at the top of all soure files. These files now exist in their own right, rather than as part of the "CMS".
#	User	Rev	Content
1	tdb	1.17	/*
2	tdb	1.57	* i-scream libstatgrab
3	tdb	1.8	* http://www.i-scream.org
4	tdb	1.17	* Copyright (C) 2000-2004 i-scream
5	pajs	1.1	*
6	tdb	1.17	* This library is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10	pajs	1.1	*
11	tdb	1.17	* This library is distributed in the hope that it will be useful,
12	pajs	1.1	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	tdb	1.17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15	pajs	1.1	*
16	tdb	1.17	* You should have received a copy of the GNU Lesser General Public
17			* License along with this library; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19			* 02111-1307 USA
20	tdb	1.18	*
21	tdb	1.57	* $Id: process_stats.c,v 1.56 2004/04/06 14:44:29 tdb Exp $
22	pajs	1.1	*/
23
24			#ifdef HAVE_CONFIG_H
25			#include "config.h"
26			#endif
27
28	pajs	1.6	#include "statgrab.h"
29	ats	1.48	#include "tools.h"
30			#include "vector.h"
31	pajs	1.6	#if defined(SOLARIS) \|\| defined(LINUX)
32	pajs	1.1	#include <stdio.h>
33			#include <stdlib.h>
34	pajs	1.5	#include <sys/types.h>
35			#include <dirent.h>
36			#include <string.h>
37	pajs	1.6	#endif
38	pajs	1.1
39			#ifdef SOLARIS
40			#include <procfs.h>
41			#include <limits.h>
42	pajs	1.5	#define PROC_LOCATION "/proc"
43			#define MAX_FILE_LENGTH PATH_MAX
44			#endif
45			#ifdef LINUX
46	ats	1.16	#include <limits.h>
47	pajs	1.25	#include <unistd.h>
48			#include <sys/stat.h>
49			#include <fcntl.h>
50	pajs	1.1	#define PROC_LOCATION "/proc"
51			#define MAX_FILE_LENGTH PATH_MAX
52			#endif
53	ats	1.13	#ifdef ALLBSD
54	tdb	1.19	#include <stdlib.h>
55	pajs	1.6	#include <sys/param.h>
56			#include <sys/sysctl.h>
57	tdb	1.22	#if defined(FREEBSD) \|\| defined(DFBSD)
58			#include <sys/user.h>
59			#else
60	tdb	1.19	#include <sys/proc.h>
61	ats	1.13	#endif
62	tdb	1.29	#include <string.h>
63			#include <paths.h>
64			#include <fcntl.h>
65			#include <limits.h>
66	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
67	tdb	1.29	#include <kvm.h>
68	tdb	1.43	#include <tools.h>
69	pajs	1.6	#endif
70	tdb	1.41	#include <unistd.h>
71	tdb	1.55	#ifdef NETBSD2
72			#include <sys/lwp.h>
73			#endif
74	tdb	1.41	#endif
75	pajs	1.1
76	ats	1.52	static void proc_state_init(sg_process_stats *s) {
77	ats	1.48	s->process_name = NULL;
78			s->proctitle = NULL;
79			}
80
81	ats	1.52	static void proc_state_destroy(sg_process_stats *s) {
82	ats	1.48	free(s->process_name);
83			free(s->proctitle);
84			}
85
86	ats	1.52	sg_process_stats sg_get_process_stats(int entries){
87			VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
88	ats	1.48	proc_state_init, proc_state_destroy);
89			int proc_state_size = 0;
90	ats	1.52	sg_process_stats *proc_state_ptr;
91	tdb	1.26	#ifdef ALLBSD
92	tdb	1.37	int mib[4];
93	tdb	1.26	size_t size;
94			struct kinfo_proc *kp_stats;
95	tdb	1.41	int procs, i;
96	tdb	1.45	char *proctitle;
97	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
98	tdb	1.42	kvm_t *kvmd;
99	tdb	1.50	char args, argsp;
100			int argslen = 0;
101	tdb	1.41	#else
102	tdb	1.37	long buflen;
103			char *p;
104			#endif
105	tdb	1.55	#ifdef NETBSD2
106			int lwps;
107			struct kinfo_lwp *kl_stats;
108			#endif
109	tdb	1.26	#endif
110	pajs	1.24	#if defined(SOLARIS) \|\| defined(LINUX)
111	pajs	1.23	DIR *proc_dir;
112			struct dirent *dir_entry;
113			char filename[MAX_FILE_LENGTH];
114			FILE *f;
115	pajs	1.24	#ifdef SOLARIS
116	pajs	1.5	psinfo_t process_info;
117	pajs	1.24	#endif
118	pajs	1.25	#ifdef LINUX
119			char s;
120			/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
121			char ps_name[4096];
122			char *ptr;
123	ats	1.48	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
124	pajs	1.25	unsigned long stime, utime;
125			int x;
126			int fn;
127	ats	1.48	int len;
128			int rc;
129	pajs	1.25	#endif
130	pajs	1.1
131	pajs	1.23	if((proc_dir=opendir(PROC_LOCATION))==NULL){
132	ats	1.52	return NULL;
133	pajs	1.23	}
134
135			while((dir_entry=readdir(proc_dir))!=NULL){
136			if(atoi(dir_entry->d_name) == 0) continue;
137
138	pajs	1.24	#ifdef SOLARIS
139	pajs	1.23	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
140	pajs	1.24	#endif
141	pajs	1.25	#ifdef LINUX
142			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
143			#endif
144	pajs	1.23	if((f=fopen(filename, "r"))==NULL){
145			/* Open failed.. Process since vanished, or the path was too long.
146			* Ah well, move onwards to the next one */
147			continue;
148			}
149	pajs	1.24	#ifdef SOLARIS
150	pajs	1.23	fread(&process_info, sizeof(psinfo_t), 1, f);
151	pajs	1.25	#endif
152	pajs	1.1
153	ats	1.48	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
154	ats	1.52	return NULL;
155	ats	1.48	}
156	pajs	1.23	proc_state_ptr = proc_state+proc_state_size;
157	ats	1.48
158	pajs	1.25	#ifdef SOLARIS
159	pajs	1.23	proc_state_ptr->pid = process_info.pr_pid;
160			proc_state_ptr->parent = process_info.pr_ppid;
161			proc_state_ptr->pgid = process_info.pr_pgid;
162			proc_state_ptr->uid = process_info.pr_uid;
163			proc_state_ptr->euid = process_info.pr_euid;
164			proc_state_ptr->gid = process_info.pr_gid;
165			proc_state_ptr->egid = process_info.pr_egid;
166			proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
167			proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
168			proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
169			proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
170			proc_state_ptr->process_name = strdup(process_info.pr_fname);
171			proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
172	pajs	1.24
173	ats	1.52	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
174			if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
175			if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
176			if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
177			if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
178	pajs	1.25	#endif
179			#ifdef LINUX
180	ats	1.38	x = fscanf(f, "%d %4096s %c %d %d %d %d %d %u %u %u %u %u %lu %lu %d %d %d %d %d %d %u %llu %llu %u %u %u %u %u %u %u %u %u %u %u %u %u %d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
181	pajs	1.25	proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
182	ats	1.52	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
183			if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
184			if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
185			if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
186			if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
187	pajs	1.25
188			/* pa_name[0] should = '(' */
189			ptr = strchr(&ps_name[1], ')');
190			if(ptr !=NULL) *ptr='\0';
191	ats	1.48
192	ats	1.52	if (sg_update_string(&proc_state_ptr->process_name,
193	ats	1.53	&ps_name[1]) < 0) {
194	ats	1.52	return NULL;
195	ats	1.48	}
196	pajs	1.25
197			/* Need to do cpu */
198
199
200	ats	1.48	fclose(f);
201
202	pajs	1.25	/* proctitle */
203			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
204
205			if((fn=open(filename, O_RDONLY)) == -1){
206			/* Open failed.. Process since vanished, or the path was too long.
207			* Ah well, move onwards to the next one */
208			continue;
209			}
210	ats	1.48
211			#define READ_BLOCK_SIZE 128
212			len = 0;
213			do {
214	ats	1.53	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
215	ats	1.52	return NULL;
216	ats	1.48	}
217			rc = read(fn, psargs + len, READ_BLOCK_SIZE);
218			if (rc > 0) {
219			len += rc;
220			}
221			} while (rc == READ_BLOCK_SIZE);
222			close(fn);
223
224			if (rc == -1) {
225			/* Read failed; move on. */
226			continue;
227	pajs	1.25	}
228
229	ats	1.48	/* Turn \0s into spaces within the command line. */
230	pajs	1.25	ptr = psargs;
231	ats	1.48	for(x = 0; x < len; x++) {
232	pajs	1.25	if (ptr == '\0') ptr = ' ';
233			ptr++;
234			}
235
236	ats	1.53	if (len == 0) {
237			/* We want psargs to be NULL. */
238			if (VECTOR_RESIZE(psargs, 0) < 0) {
239			return NULL;
240			}
241			} else {
242			/* Not empty, so append a \0. */
243			if (VECTOR_RESIZE(psargs, len + 1) < 0) {
244			return NULL;
245			}
246			psargs[len] = '\0';
247			}
248
249			if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
250	ats	1.52	return NULL;
251	ats	1.48	}
252	pajs	1.24	#endif
253	pajs	1.23
254			proc_state_size++;
255			}
256			closedir(proc_dir);
257	tdb	1.26	#endif
258
259			#ifdef ALLBSD
260	tdb	1.36	mib[0] = CTL_KERN;
261			mib[1] = KERN_PROC;
262			mib[2] = KERN_PROC_ALL;
263
264			if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
265	ats	1.52	return NULL;
266	tdb	1.36	}
267
268			procs = size / sizeof(struct kinfo_proc);
269
270			kp_stats = malloc(size);
271			if(kp_stats == NULL) {
272	ats	1.52	return NULL;
273	tdb	1.36	}
274	ats	1.54	memset(kp_stats, 0, size);
275	tdb	1.36
276			if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
277			free(kp_stats);
278	ats	1.52	return NULL;
279	tdb	1.36	}
280	tdb	1.33
281	tdb	1.37	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
282	ats	1.52	kvmd = sg_get_kvm2();
283	tdb	1.33	#endif
284	tdb	1.26
285			for (i = 0; i < procs; i++) {
286	ats	1.48	const char *name;
287	ats	1.54
288	tdb	1.55	#ifdef FREEBSD5
289	ats	1.54	if (kp_stats[i].ki_stat == 0) {
290	tdb	1.55	#else
291			if (kp_stats[i].kp_proc.p_stat == 0) {
292			#endif
293	ats	1.54	/* FreeBSD 5 deliberately overallocates the array that
294			* the sysctl returns, so we'll get a few junk
295			* processes on the end that we have to ignore. (Search
296			* for "overestimate by 5 procs" in
297			* src/sys/kern/kern_proc.c for more details.) */
298			continue;
299			}
300	ats	1.48
301			if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
302	ats	1.52	return NULL;
303	tdb	1.29	}
304	tdb	1.26	proc_state_ptr = proc_state+proc_state_size;
305	tdb	1.30
306			#ifdef FREEBSD5
307	ats	1.48	name = kp_stats[i].ki_comm;
308	tdb	1.35	#elif defined(DFBSD)
309	ats	1.48	name = kp_stats[i].kp_thread.td_comm;
310	tdb	1.30	#else
311	ats	1.48	name = kp_stats[i].kp_proc.p_comm;
312	tdb	1.30	#endif
313	ats	1.53	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
314	ats	1.52	return NULL;
315	ats	1.48	}
316	tdb	1.29
317	tdb	1.37	#if defined(FREEBSD5) \|\| defined(NETBSD) \|\| defined(OPENBSD)
318			size = sizeof(buflen);
319
320			#ifdef FREEBSD5
321			if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
322	ats	1.52	return NULL;
323	tdb	1.37	}
324			#else
325	tdb	1.56	/* FIXME - this value can be too large on some of
326			the BSD's, which causes sysctl not to return
327			anything. Maybe we need something smaller? */
328	tdb	1.37	mib[1] = KERN_ARGMAX;
329
330			if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
331	ats	1.52	return NULL;
332	tdb	1.37	}
333			#endif
334
335			proctitle = malloc(buflen);
336			if(proctitle == NULL) {
337	ats	1.52	return NULL;
338	tdb	1.37	}
339
340			size = buflen;
341
342			#ifdef FREEBSD5
343			mib[2] = KERN_PROC_ARGS;
344			mib[3] = kp_stats[i].ki_pid;
345			#else
346			mib[1] = KERN_PROC_ARGS;
347			mib[2] = kp_stats[i].kp_proc.p_pid;
348			mib[3] = KERN_PROC_ARGV;
349			#endif
350
351	ats	1.48	free(proc_state_ptr->proctitle);
352	tdb	1.37	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
353			free(proctitle);
354			proc_state_ptr->proctitle = NULL;
355			}
356			else if(size > 0) {
357	tdb	1.44	proc_state_ptr->proctitle = malloc(size+1);
358	tdb	1.37	if(proc_state_ptr->proctitle == NULL) {
359	ats	1.52	return NULL;
360	tdb	1.29	}
361	tdb	1.37	p = proctitle;
362	ats	1.49	proc_state_ptr->proctitle[0] = '\0';
363	tdb	1.37	do {
364	ats	1.52	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
365			sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
366	tdb	1.37	p += strlen(p) + 1;
367			} while (p < proctitle + size);
368			free(proctitle);
369	tdb	1.45	/* remove trailing space */
370			proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
371	tdb	1.37	}
372			else {
373			free(proctitle);
374			proc_state_ptr->proctitle = NULL;
375			}
376			#else
377	ats	1.48	free(proc_state_ptr->proctitle);
378	tdb	1.37	if(kvmd != NULL) {
379			args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
380			if(args != NULL) {
381	tdb	1.50	argsp = args;
382			while(*argsp != NULL) {
383	tdb	1.51	argslen += strlen(*argsp) + 1;
384			argsp++;
385	tdb	1.50	}
386			proctitle = malloc(argslen + 1);
387			proctitle[0] = '\0';
388	tdb	1.37	if(proctitle == NULL) {
389	ats	1.52	return NULL;
390	tdb	1.37	}
391			while(*args != NULL) {
392	ats	1.52	sg_strlcat(proctitle, *args, argslen + 1);
393			sg_strlcat(proctitle, " ", argslen + 1);
394	tdb	1.37	args++;
395	tdb	1.29	}
396	tdb	1.37	/* remove trailing space */
397	tdb	1.45	proctitle[strlen(proctitle)-1] = '\0';
398	tdb	1.37	proc_state_ptr->proctitle = proctitle;
399			}
400			else {
401			proc_state_ptr->proctitle = NULL;
402	tdb	1.29	}
403			}
404			else {
405	tdb	1.37	proc_state_ptr->proctitle = NULL;
406	tdb	1.29	}
407	tdb	1.37	#endif
408	tdb	1.26
409	tdb	1.30	#ifdef FREEBSD5
410	tdb	1.26	proc_state_ptr->pid = kp_stats[i].ki_pid;
411			proc_state_ptr->parent = kp_stats[i].ki_ppid;
412			proc_state_ptr->pgid = kp_stats[i].ki_pgid;
413	tdb	1.30	#else
414			proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
415			proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
416			proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
417			#endif
418	tdb	1.26
419	tdb	1.30	#ifdef FREEBSD5
420	tdb	1.26	proc_state_ptr->uid = kp_stats[i].ki_ruid;
421			proc_state_ptr->euid = kp_stats[i].ki_uid;
422			proc_state_ptr->gid = kp_stats[i].ki_rgid;
423			proc_state_ptr->egid = kp_stats[i].ki_svgid;
424	tdb	1.35	#elif defined(DFBSD)
425			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
426			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
427			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
428			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
429	tdb	1.30	#else
430			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
431			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
432			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
433			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
434			#endif
435	tdb	1.26
436	tdb	1.30	#ifdef FREEBSD5
437	tdb	1.26	proc_state_ptr->proc_size = kp_stats[i].ki_size;
438			/* This is in pages */
439	tdb	1.30	proc_state_ptr->proc_resident =
440			kp_stats[i].ki_rssize * getpagesize();
441	tdb	1.28	/* This is in microseconds */
442	tdb	1.26	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
443	tdb	1.30	proc_state_ptr->cpu_percent =
444			((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
445	tdb	1.26	proc_state_ptr->nice = kp_stats[i].ki_nice;
446	tdb	1.30	#else
447			proc_state_ptr->proc_size =
448			kp_stats[i].kp_eproc.e_vm.vm_map.size;
449			/* This is in pages */
450			proc_state_ptr->proc_resident =
451			kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
452	tdb	1.34	#if defined(NETBSD) \|\| defined(OPENBSD)
453	tdb	1.33	proc_state_ptr->time_spent =
454			kp_stats[i].kp_proc.p_rtime.tv_sec;
455	tdb	1.35	#elif defined(DFBSD)
456			proc_state_ptr->time_spent =
457			( kp_stats[i].kp_thread.td_uticks +
458			kp_stats[i].kp_thread.td_sticks +
459			kp_stats[i].kp_thread.td_iticks ) / 1000000;
460	tdb	1.33	#else
461	tdb	1.36	/* This is in microseconds */
462	tdb	1.30	proc_state_ptr->time_spent =
463			kp_stats[i].kp_proc.p_runtime / 1000000;
464	tdb	1.33	#endif
465	tdb	1.30	proc_state_ptr->cpu_percent =
466			((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
467			proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
468			#endif
469	tdb	1.26
470	tdb	1.55	#ifdef NETBSD2
471			{
472			size_t size;
473			int mib[5];
474
475			mib[0] = CTL_KERN;
476			mib[1] = KERN_LWP;
477			mib[2] = kp_stats[i].kp_proc.p_pid;
478			mib[3] = sizeof(struct kinfo_lwp);
479			mib[4] = 0;
480
481			if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
482			return NULL;
483			}
484
485			lwps = size / sizeof(struct kinfo_lwp);
486			mib[4] = lwps;
487
488			kl_stats = malloc(size);
489			if(kl_stats == NULL) {
490			return NULL;
491			}
492
493			if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
494			return NULL;
495			}
496			}
497
498			switch(kp_stats[i].kp_proc.p_stat) {
499			case SIDL:
500			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
501			break;
502			case SACTIVE:
503			{
504			int i;
505
506			for(i = 0; i < lwps; i++) {
507			switch(kl_stats[i].l_stat) {
508			case LSONPROC:
509			case LSRUN:
510			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
511			goto end;
512			case LSSLEEP:
513			proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
514			goto end;
515			case LSSTOP:
516			case LSSUSPENDED:
517			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
518			goto end;
519			}
520			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
521			}
522			end: ;
523			}
524			break;
525			case SSTOP:
526			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
527			break;
528			case SZOMB:
529			proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
530			break;
531			default:
532			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
533			break;
534			}
535			#else
536	tdb	1.30	#ifdef FREEBSD5
537	tdb	1.26	switch (kp_stats[i].ki_stat) {
538	tdb	1.30	#else
539			switch (kp_stats[i].kp_proc.p_stat) {
540			#endif
541	tdb	1.26	case SIDL:
542			case SRUN:
543			#ifdef SONPROC
544			case SONPROC: /* NetBSD */
545			#endif
546	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
547	tdb	1.26	break;
548			case SSLEEP:
549			#ifdef SWAIT
550			case SWAIT: /* FreeBSD 5 */
551			#endif
552			#ifdef SLOCK
553			case SLOCK: /* FreeBSD 5 */
554			#endif
555	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
556	tdb	1.26	break;
557			case SSTOP:
558	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
559	tdb	1.26	break;
560			case SZOMB:
561			#ifdef SDEAD
562			case SDEAD: /* OpenBSD & NetBSD */
563			#endif
564	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
565	tdb	1.31	break;
566			default:
567	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
568	tdb	1.26	break;
569			}
570	tdb	1.55	#endif
571	tdb	1.26	proc_state_size++;
572			}
573
574			free(kp_stats);
575	tdb	1.47	#endif
576
577			#ifdef CYGWIN
578	ats	1.52	return NULL;
579	tdb	1.26	#endif
580
581	ats	1.52	*entries = proc_state_size;
582			return proc_state;
583	tdb	1.27	}
584
585	ats	1.52	sg_process_count *sg_get_process_count() {
586			static sg_process_count process_stat;
587			sg_process_stats *ps;
588	tdb	1.27	int ps_size, x;
589
590	tdb	1.30	process_stat.sleeping = 0;
591			process_stat.running = 0;
592			process_stat.zombie = 0;
593			process_stat.stopped = 0;
594			process_stat.total = 0;
595	tdb	1.27
596	ats	1.52	ps = sg_get_process_stats(&ps_size);
597			if (ps == NULL) {
598	tdb	1.32	return NULL;
599			}
600	tdb	1.27
601			for(x = 0; x < ps_size; x++) {
602			switch (ps->state) {
603	ats	1.52	case SG_PROCESS_STATE_RUNNING:
604	tdb	1.27	process_stat.running++;
605			break;
606	ats	1.52	case SG_PROCESS_STATE_SLEEPING:
607	tdb	1.27	process_stat.sleeping++;
608			break;
609	ats	1.52	case SG_PROCESS_STATE_STOPPED:
610	tdb	1.27	process_stat.stopped++;
611			break;
612	ats	1.52	case SG_PROCESS_STATE_ZOMBIE:
613	tdb	1.27	process_stat.zombie++;
614	ats	1.40	break;
615			default:
616	ats	1.52	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
617			* sg_process_count */
618	tdb	1.27	break;
619			}
620			ps++;
621			}
622
623			process_stat.total = ps_size;
624
625			return &process_stat;
626	pajs	1.23	}