예제 #1
0
int
getsize (int pid)
{
  struct procentry64 entry;
  int page_size = sysconf (_SC_PAGESIZE);
  pid_t tmp_pid = pid;

  if (pid <= 0)
    {
      return -1;
    }

  if (getprocs64 (&entry, sizeof (entry), NULL, 0, &tmp_pid, 1) < 0)
    {
      if (kill (pid, 0) < 0)
	{
	  if (errno == ESRCH)
	    {
	      return -1;
	    }
	}
      return 1;
    }
  if (entry.pi_pid != pid)
    {
      return -1;
    }

  return (int) (((INT64) entry.pi_dvm) * ((INT64) page_size) / 1024);
}
예제 #2
0
파일: pagein.c 프로젝트: bochf/testing
int stats_checkpoint_initial(struct procentry64 *b)
{
	pid_t p_idx=getpid();
	int e;
	if ((e=getprocs64(b, sizeof(*b), NULL, 0, &p_idx, 1)) >= 0)
		{} /* Great */
	else
 		fprintf(stderr,"getprocs64 returned %s, error code %d.  Continuing\n",strerror(errno),errno);
	return e;
}
예제 #3
0
파일: pagein.c 프로젝트: bochf/testing
int stats_checkpoint(pid_t p_idx, uint64_t pg_cnt, struct procentry64 *a, struct procentry64 *b)
{
	int e;
	if ((e=getprocs64(b, sizeof(*b), NULL, 0, &p_idx, 1)) >= 0)
		printf("Pages scanned=%" PRIu64 ",  Minor page faults=%" PRIu64 ",  Major page faults=%" PRIu64 "\n",
		 pg_cnt, b->pi_minflt - a->pi_minflt,  b->pi_majflt - a->pi_majflt);
	else
 		fprintf(stderr,"getprocs64 returned %s, error code %d.  Continuing\n",strerror(errno),errno);
	return e;
}
예제 #4
0
/** Call getprocs64(3) for exactly 1 PID
 *
 * This takes care of boring details and handles errors properly.
 *
 * @param procbuff: the procentry64 structure the result will be stored in.
 * @param pid: the PID of the process to get.
 *
 * @return -1 in case of an error, 0 if successful.
 **/
static int
getprocent(struct procentry64 *procbuff, const pid_t pid)
{
    pid32_t pid32;
    int r;

    pid32 = (pid32_t)pid;
    r = getprocs64(procbuff, sizeof(struct procentry64),
                   (struct fdsinfo64 *)NULL, 0,
                   &pid32, 1);
    if (r < 0) {
        if (errno == EINVAL)
            PyErr_Format(PsiExc_NoSuchProcessError,
                         "No such PID: %lu", (unsigned long)pid);
        else
            PyErr_SetFromErrnoWithFilename(PyExc_OSError, "getprocs64()");
        return -1;
    }
    return 0;
}
예제 #5
0
파일: Messages.c 프로젝트: Frank-KunLi/rsmb
/**
 * Find the location of this program 
 * @param buf a character buffer to hold the directory name
 * @param bufsize the size of buf
 * @return the success return code
 */
int Messages_findMyLocation(char* buf, int bufsize)
{
	int rc = -1;
#if defined(WIN32)
	wchar_t wbuf[256];
#elif defined(AIX)
	struct procentry64 processInfo;
	pid_t myPid, indexPtr;
#endif
 	
	FUNC_ENTRY;
#if defined(WIN32) 	
	rc = GetModuleFileName(NULL, wbuf, bufsize);
	wcstombs(buf, wbuf, bufsize);
#elif defined(AIX)
	myPid = getpid();
	while (getprocs64(&processInfo, sizeof (processInfo), 0, 0, &indexPtr, 1) > 0)
	{
		if ((pid_t)(processInfo.pi_pid) == myPid)
		{
			rc = (getargs((void*)&processInfo, sizeof(processInfo), buf, bufsize) == 0) ? strlen(buf) : 0;
            break;
		}
    }
#else /* Linux */
	rc = (int)readlink("/proc/self/exe", buf, bufsize);
#endif
	if (rc > 0 && rc < bufsize)
	{
		char* pos;
		if ((pos = strrchr(buf, sep)) != NULL)
			*pos = '\0'; /* remove trailing program name, leaving just the directory */
		rc = 0; /* success */
	}
 	else
		rc = -1; /* failure */
	FUNC_EXIT_RC(rc);
	return rc;
}
예제 #6
0
/* XXX: why don't we just use proclib? */
gchar*
mono_w32process_get_name (pid_t pid)
{
	FILE *fp;
	gchar *filename;
	gchar buf[256];
	gchar *ret = NULL;

#if defined(HOST_SOLARIS) || (defined(_AIX) && !defined(__PASE__))
	filename = g_strdup_printf ("/proc/%d/psinfo", pid);
	if ((fp = fopen (filename, "r")) != NULL) {
		struct psinfo info;
		int nread;

		nread = fread (&info, sizeof (info), 1, fp);
		if (nread == 1) {
			ret = g_strdup (info.pr_fname);
		}

		fclose (fp);
	}
	g_free (filename);
#elif defined(__PASE__)
	/* AIX has a procfs, but it's not available on i */
	struct procentry64 proc;
	pid_t newpid;

	newpid = pid;
	if (getprocs64(&proc, sizeof (proc), NULL, NULL, &newpid, 1) == 1) {
		ret = g_strdup (proc.pi_comm);
	}
#else
	memset (buf, '\0', sizeof(buf));
	filename = g_strdup_printf ("/proc/%d/exe", pid);
#if defined(HAVE_READLINK)
	if (readlink (filename, buf, 255) > 0) {
		ret = g_strdup (buf);
	}
#endif
	g_free (filename);

	if (ret != NULL) {
		return(ret);
	}

	filename = g_strdup_printf ("/proc/%d/cmdline", pid);
	if ((fp = fopen (filename, "r")) != NULL) {
		if (fgets (buf, 256, fp) != NULL) {
			ret = g_strdup (buf);
		}

		fclose (fp);
	}
	g_free (filename);

	if (ret != NULL) {
		return(ret);
	}

	filename = g_strdup_printf ("/proc/%d/stat", pid);
	if ((fp = fopen (filename, "r")) != NULL) {
		if (fgets (buf, 256, fp) != NULL) {
			char *start, *end;

			start = strchr (buf, '(');
			if (start != NULL) {
				end = strchr (start + 1, ')');

				if (end != NULL) {
					ret = g_strndup (start + 1,
							 end - start - 1);
				}
			}
		}

		fclose (fp);
	}
	g_free (filename);
#endif

	return ret;
}
예제 #7
0
파일: sysdep_AIX.c 프로젝트: Nejuf/monit
/**
 * Read all processes to initialize the process tree
 * @param reference  reference of ProcessTree
 * @return treesize>0 if succeeded otherwise =0.
 */
int initprocesstree_sysdep(ProcessTree_T ** reference) {
        int             treesize;
        struct userinfo user;
        ProcessTree_T  *pt;
        pid_t           firstproc = 0;

        memset(&user, 0, sizeof(struct userinfo));

        if ((treesize = getprocs64(NULL, 0, NULL, 0, &firstproc, PID_MAX)) < 0) {
                LogError("system statistic error -- getprocs64 failed: %s\n", STRERROR);
                return 0;
        }

        procs = CALLOC(sizeof(struct procentry64), treesize);

        firstproc = 0;
        if ((treesize = getprocs64(procs, sizeof(struct procentry64), NULL, 0, &firstproc, treesize)) < 0) {
                FREE(procs);
                LogError("system statistic error -- getprocs64 failed: %s\n", STRERROR);
                return 0;
        }

        pt = CALLOC(sizeof(ProcessTree_T), treesize);

        for (int i = 0; i < treesize; i++) {
                int fd;
                struct psinfo ps;
                char filename[STRLEN];

                pt[i].cputime     = 0;
                pt[i].cpu_percent = 0;
                pt[i].mem_kbyte   = 0;
                pt[i].pid         = procs[i].pi_pid;
                pt[i].ppid        = procs[i].pi_ppid;
                pt[i].starttime   = procs[i].pi_start;

                if (procs[i].pi_state == SZOMB) {
                        pt[i].zombie = true;
                } else if (getuser(&(procs[i]), sizeof(struct procinfo), &user, sizeof(struct userinfo)) != -1) {
                        pt[i].mem_kbyte = (user.ui_drss + user.ui_trss) * (page_size / 1024);
                        pt[i].cputime   = (user.ui_ru.ru_utime.tv_sec + user.ui_ru.ru_utime.tv_usec * 1.0e-6 + user.ui_ru.ru_stime.tv_sec + user.ui_ru.ru_stime.tv_usec * 1.0e-6) * 10;
                }

                snprintf(filename, sizeof(filename), "/proc/%d/psinfo", pt[i].pid);
                if ((fd = open(filename, O_RDONLY)) < 0) {
                        DEBUG("Cannot open proc file %s -- %s\n", filename, STRERROR);
                        continue;
                }
                if (read(fd, &ps, sizeof(ps)) < 0) {
                        DEBUG("Cannot read proc file %s -- %s\n", filename, STRERROR);
                        if (close(fd) < 0)
                                LogError("Socket close failed -- %s\n", STRERROR);
                        return 0;
                }
                if (close(fd) < 0)
                        LogError("Socket close failed -- %s\n", STRERROR);
                pt[i].uid     = ps.pr_uid;
                pt[i].euid    = ps.pr_euid;
                pt[i].gid     = ps.pr_gid;
                pt[i].cmdline = (ps.pr_psargs && *ps.pr_psargs) ? Str_dup(ps.pr_psargs) : Str_dup(procs[i].pi_comm);
        }

        FREE(procs);
        *reference = pt;

        return treesize;
}
/* Specification.  */
#include "getprogname.h"

#include <errno.h> /* get program_invocation_name declaration */
#include <stdlib.h> /* get __argv declaration */

#ifdef _AIX
# include <unistd.h>
# include <procinfo.h>
# include <string.h>
#endif

#ifdef __MVS__
# ifndef _OPEN_SYS
#  define _OPEN_SYS
# endif
# include <string.h>
# include <sys/ps.h>
#endif

#ifdef __hpux
# include <unistd.h>
# include <sys/param.h>
# include <sys/pstat.h>
# include <string.h>
#endif

#include "dirname.h"

#ifndef HAVE_GETPROGNAME             /* not Mac OS X, FreeBSD, NetBSD, OpenBSD >= 5.4, Cygwin */
char const *
getprogname (void)
{
# if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME                /* glibc, BeOS */
  /* https://www.gnu.org/software/libc/manual/html_node/Error-Messages.html */
  return program_invocation_short_name;
# elif HAVE_DECL_PROGRAM_INVOCATION_NAME                    /* glibc, BeOS */
  /* https://www.gnu.org/software/libc/manual/html_node/Error-Messages.html */
  return last_component (program_invocation_name);
# elif HAVE_GETEXECNAME                                     /* Solaris */
  /* http://docs.oracle.com/cd/E19253-01/816-5168/6mbb3hrb1/index.html */
  const char *p = getexecname ();
  if (!p)
    p = "?";
  return last_component (p);
# elif HAVE_DECL___ARGV                                     /* mingw, MSVC */
  /* https://msdn.microsoft.com/en-us/library/dn727674.aspx */
  const char *p = __argv && __argv[0] ? __argv[0] : "?";
  return last_component (p);
# elif HAVE_VAR___PROGNAME                                  /* OpenBSD, QNX */
  /* http://man.openbsd.org/style.9 */
  /* http://www.qnx.de/developers/docs/6.5.0/index.jsp?topic=%2Fcom.qnx.doc.neutrino_lib_ref%2Fp%2F__progname.html */
  /* Be careful to declare this only when we absolutely need it
     (OpenBSD 5.1), rather than when it's available.  Otherwise,
     its mere declaration makes program_invocation_short_name
     malfunction (have zero length) with Fedora 25's glibc.  */
  extern char *__progname;
  const char *p = __progname;
  return p && p[0] ? p : "?";
# elif _AIX                                                 /* AIX */
  /* Idea by Bastien ROUCARIÈS,
     http://lists.gnu.org/archive/html/bug-gnulib/2010-12/msg00095.html
     Reference: http://
   ibm.biz/knowctr#ssw_aix_53/com.ibm.aix.basetechref/doc/basetrf1/getprocs.htm
  */
  static char *p;
  static int first = 1;
  if (first)
    {
      first = 0;
      pid_t pid = getpid ();
      struct procentry64 procs;
      p = (0 < getprocs64 (&procs, sizeof procs, NULL, 0, &pid, 1)
           ? strdup (procs.pi_comm)
           : NULL);
      if (!p)
        p = "?";
    }
  return p;
# elif defined __hpux
  static char *p;
  static int first = 1;
  if (first)
    {
      first = 0;
      pid_t pid = getpid ();
      struct pst_status status;
      p = (0 < pstat_getproc (&status, sizeof status, 0, pid)
           ? strdup (status.pst_ucomm)
           : NULL);
      if (!p)
        p = "?";
    }
  return p;
# elif __MVS__                                              /* z/OS */
  /* https://www.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.bpxbd00/rtwgetp.htm */
  static char *p = "?";
  static int first = 1;
  if (first)
    {
      pid_t pid = getpid ();
      int token;
      W_PSPROC buf;
      first = 0;
      memset (&buf, 0, sizeof(buf));
      buf.ps_cmdptr    = (char *) malloc (buf.ps_cmdlen    = PS_CMDBLEN_LONG);
      buf.ps_conttyptr = (char *) malloc (buf.ps_conttylen = PS_CONTTYBLEN);
      buf.ps_pathptr   = (char *) malloc (buf.ps_pathlen   = PS_PATHBLEN);
      if (buf.ps_cmdptr && buf.ps_conttyptr && buf.ps_pathptr)
        {
          for (token = 0; token >= 0;
               token = w_getpsent (token, &buf, sizeof(buf)))
            {
              if (token > 0 && buf.ps_pid == pid)
                {
                  char *s = strdup (last_component (buf.ps_pathptr));
                  if (s)
                    p = s;
                  break;
                }
            }
        }
      free (buf.ps_cmdptr);
      free (buf.ps_conttyptr);
      free (buf.ps_pathptr);
    }
  return p;
# else
#  error "getprogname module not ported to this OS"
# endif
}
예제 #9
0
파일: proc.c 프로젝트: zabbix/zabbix
int	PROC_MEM(AGENT_REQUEST *request, AGENT_RESULT *result)
{
#define ZBX_VSIZE	0
#define ZBX_RSS		1
#define ZBX_PMEM	2
#define ZBX_SIZE	3
#define ZBX_DSIZE	4
#define ZBX_TSIZE	5
#define ZBX_SDSIZE	6
#define ZBX_DRSS	7
#define ZBX_TRSS	8

/* The pi_???_l2psize fields are described as: log2 of a proc's ??? pg sz */
/* Basically it's bits per page, so define 12 bits (4kb) for earlier AIX  */
/* versions that do not support those fields.                             */
#ifdef _AIX61
#	define ZBX_L2PSIZE(field) 	field
#else
#	define ZBX_L2PSIZE(field)	12
#endif

	char			*param, *procname, *proccomm, *mem_type = NULL;
	struct passwd		*usrinfo;
	struct procentry64	procentry;
	pid_t			pid = 0;
	int			do_task, mem_type_code, proccount = 0, invalid_user = 0;
	zbx_uint64_t		mem_size = 0, byte_value = 0;
	double			pct_size = 0.0, pct_value = 0.0;

	if (5 < request->nparam)
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
		return SYSINFO_RET_FAIL;
	}

	procname = get_rparam(request, 0);
	param = get_rparam(request, 1);

	if (NULL != param && '\0' != *param)
	{
		if (NULL == (usrinfo = getpwnam(param)))
			invalid_user = 1;
	}
	else
		usrinfo = NULL;

	param = get_rparam(request, 2);

	if (NULL == param || '\0' == *param || 0 == strcmp(param, "sum"))
		do_task = ZBX_DO_SUM;
	else if (0 == strcmp(param, "avg"))
		do_task = ZBX_DO_AVG;
	else if (0 == strcmp(param, "max"))
		do_task = ZBX_DO_MAX;
	else if (0 == strcmp(param, "min"))
		do_task = ZBX_DO_MIN;
	else
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid third parameter."));
		return SYSINFO_RET_FAIL;
	}

	proccomm = get_rparam(request, 3);
	mem_type = get_rparam(request, 4);

	if (NULL == mem_type || '\0' == *mem_type || 0 == strcmp(mem_type, "vsize"))
	{
		mem_type_code = ZBX_VSIZE;		/* virtual memory size */
	}
	else if (0 == strcmp(mem_type, "rss"))
	{
		mem_type_code = ZBX_RSS;		/* resident set size */
	}
	else if (0 == strcmp(mem_type, "pmem"))
	{
		mem_type_code = ZBX_PMEM;		/* percentage of real memory used by process */
	}
	else if (0 == strcmp(mem_type, "size"))
	{
		mem_type_code = ZBX_SIZE;		/* size of process (code + data) */
	}
	else if (0 == strcmp(mem_type, "dsize"))
	{
		mem_type_code = ZBX_DSIZE;		/* data size */
	}
	else if (0 == strcmp(mem_type, "tsize"))
	{
		mem_type_code = ZBX_TSIZE;		/* text size */
	}
	else if (0 == strcmp(mem_type, "sdsize"))
	{
		mem_type_code = ZBX_SDSIZE;		/* data size from shared library */
	}
	else if (0 == strcmp(mem_type, "drss"))
	{
		mem_type_code = ZBX_DRSS;		/* data resident set size */
	}
	else if (0 == strcmp(mem_type, "trss"))
	{
		mem_type_code = ZBX_TRSS;		/* text resident set size */
	}
	else
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid fifth parameter."));
		return SYSINFO_RET_FAIL;
	}

	if (1 == invalid_user)	/* handle 0 for non-existent user after all parameters have been parsed and validated */
		goto out;

	while (0 < getprocs64(&procentry, (int)sizeof(struct procentry64), NULL, 0, &pid, 1))
	{
		if (NULL != procname && '\0' != *procname && 0 != strcmp(procname, procentry.pi_comm))
			continue;

		if (NULL != usrinfo && usrinfo->pw_uid != procentry.pi_uid)
			continue;

		if (NULL != proccomm && '\0' != *proccomm && SUCCEED != check_procargs(&procentry, proccomm))
			continue;

		switch (mem_type_code)
		{
			case ZBX_VSIZE:
				/* historically default proc.mem[] on AIX */
				byte_value = (zbx_uint64_t)procentry.pi_size << 12;	/* number of pages to bytes */
				break;
			case ZBX_RSS:
				/* try to be compatible with "ps -o rssize" */
				byte_value = ((zbx_uint64_t)procentry.pi_drss << ZBX_L2PSIZE(procentry.pi_data_l2psize)) +
						((zbx_uint64_t)procentry.pi_trss << ZBX_L2PSIZE(procentry.pi_text_l2psize));
				break;
			case ZBX_PMEM:
				/* try to be compatible with "ps -o pmem" */
				pct_value = procentry.pi_prm;
				break;
			case ZBX_SIZE:
				/* try to be compatible with "ps gvw" SIZE column */
				byte_value = (zbx_uint64_t)procentry.pi_dvm << ZBX_L2PSIZE(procentry.pi_data_l2psize);
				break;
			case ZBX_DSIZE:
				byte_value = procentry.pi_dsize;
				break;
			case ZBX_TSIZE:
				/* try to be compatible with "ps gvw" TSIZ column */
				byte_value = procentry.pi_tsize;
				break;
			case ZBX_SDSIZE:
				byte_value = procentry.pi_sdsize;
				break;
			case ZBX_DRSS:
				byte_value = (zbx_uint64_t)procentry.pi_drss << ZBX_L2PSIZE(procentry.pi_data_l2psize);
				break;
			case ZBX_TRSS:
				byte_value = (zbx_uint64_t)procentry.pi_trss << ZBX_L2PSIZE(procentry.pi_text_l2psize);
				break;
		}

		if (ZBX_PMEM != mem_type_code)
		{
			if (0 != proccount++)
			{
				if (ZBX_DO_MAX == do_task)
					mem_size = MAX(mem_size, byte_value);
				else if (ZBX_DO_MIN == do_task)
					mem_size = MIN(mem_size, byte_value);
				else
					mem_size += byte_value;
			}
			else
				mem_size = byte_value;
		}
		else
		{
			if (0 != proccount++)
			{
				if (ZBX_DO_MAX == do_task)
					pct_size = MAX(pct_size, pct_value);
				else if (ZBX_DO_MIN == do_task)
					pct_size = MIN(pct_size, pct_value);
				else
					pct_size += pct_value;
			}
			else
				pct_size = pct_value;
		}
	}
out:
	if (ZBX_PMEM != mem_type_code)
	{
		if (ZBX_DO_AVG == do_task)
			SET_DBL_RESULT(result, 0 == proccount ? 0.0 : (double)mem_size / (double)proccount);
		else
			SET_UI64_RESULT(result, mem_size);
	}
	else
	{
		if (ZBX_DO_AVG == do_task)
			SET_DBL_RESULT(result, 0 == proccount ? 0.0 : pct_size / (double)proccount);
		else
			SET_DBL_RESULT(result, pct_size);
	}

	return SYSINFO_RET_OK;

#undef ZBX_L2PSIZE

#undef ZBX_SIZE
#undef ZBX_RSS
#undef ZBX_VSIZE
#undef ZBX_PMEM
#undef ZBX_TSIZE
#undef ZBX_DSIZE
#undef ZBX_SDSIZE
#undef ZBX_DRSS
#undef ZBX_TRSS
}
예제 #10
0
파일: proc.c 프로젝트: zabbix/zabbix
int	PROC_NUM(AGENT_REQUEST *request, AGENT_RESULT *result)
{
	char			*param, *procname, *proccomm;
	struct passwd		*usrinfo;
	struct procentry64	procentry;
	pid_t			pid = 0;
	int			proccount = 0, invalid_user = 0, zbx_proc_stat;

	if (4 < request->nparam)
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
		return SYSINFO_RET_FAIL;
	}

	procname = get_rparam(request, 0);
	param = get_rparam(request, 1);

	if (NULL != param && '\0' != *param)
	{
		if (NULL == (usrinfo = getpwnam(param)))
			invalid_user = 1;
	}
	else
		usrinfo = NULL;

	param = get_rparam(request, 2);

	if (NULL == param || '\0' == *param || 0 == strcmp(param, "all"))
		zbx_proc_stat = ZBX_PROC_STAT_ALL;
	else if (0 == strcmp(param, "run"))
		zbx_proc_stat = ZBX_PROC_STAT_RUN;
	else if (0 == strcmp(param, "sleep"))
		zbx_proc_stat = ZBX_PROC_STAT_SLEEP;
	else if (0 == strcmp(param, "zomb"))
		zbx_proc_stat = ZBX_PROC_STAT_ZOMB;
	else
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid third parameter."));
		return SYSINFO_RET_FAIL;
	}

	proccomm = get_rparam(request, 3);

	if (1 == invalid_user)	/* handle 0 for non-existent user after all parameters have been parsed and validated */
		goto out;

	while (0 < getprocs64(&procentry, (int)sizeof(struct procentry64), NULL, 0, &pid, 1))
	{
		if (NULL != procname && '\0' != *procname && 0 != strcmp(procname, procentry.pi_comm))
			continue;

		if (NULL != usrinfo && usrinfo->pw_uid != procentry.pi_uid)
			continue;

		if (SUCCEED != check_procstate(&procentry, zbx_proc_stat))
			continue;

		if (NULL != proccomm && '\0' != *proccomm && SUCCEED != check_procargs(&procentry, proccomm))
			continue;

		proccount++;
	}
out:
	SET_UI64_RESULT(result, proccount);

	return SYSINFO_RET_OK;
}
예제 #11
0
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 HPUX
	struct pst_status pstat_procinfo[PROCESS_BATCH];
	long procidx = 0;
	long long pagesize;
	int num, i;
#endif
#ifdef AIX
	struct procentry64 *procs = NULL;
	long long pagesize;
	int fetched = 0;
	pid_t index = 0;
	unsigned proc_idx;
	time_t utime, stime;
	int ncpus;
	struct timeval now_tval;
	double now_time;
	char cmndline[ARG_MAX];
	char comm[ARG_MAX];
	struct procentry64 curproc_for_getargs;
#define PROCS_TO_FETCH  1000
#endif
#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, *proctitletmp;
#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, starttime;
	int x;
	int fn;
	int len;
	int rc;
	time_t uptime;
	long tickspersec;
#endif

#ifdef LINUX
	if ((f=fopen("/proc/uptime", "r")) == NULL) {
		sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime");
		return NULL;
	}
	if((fscanf(f,"%lu %*d",&uptime)) != 1){
		sg_set_error(SG_ERROR_PARSE, NULL);
		return NULL;
	}
	fclose(f);
#endif

	if((proc_dir=opendir(PROC_LOCATION))==NULL){
		sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
		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);
		fclose(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->nice = (int)process_info.pr_lwp.pr_nice - 20;
		if (sg_update_string(&proc_state_ptr->process_name,
				     process_info.pr_fname) < 0) {
			return NULL;
		}
		if (sg_update_string(&proc_state_ptr->proctitle,
				     process_info.pr_psargs) < 0) {
			return NULL;
		}

		switch (process_info.pr_lwp.pr_state) {
		case 1:
			proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
			break;
		case 2:
		case 5:
			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
			break;
		case 3:
			proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; 
			break;
		case 4:
			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; 
			break;
		}
#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 %lu %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), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
		/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
		proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
		switch (s) {
		case 'S':
			proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
			break;
		case 'R':
			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
			break;
		case 'Z':
			proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
			break;
		case 'T':
		case 'D':
			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
			break;
		}
	
		/* 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;
		}

		/* cpu */
		proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
		tickspersec = sysconf (_SC_CLK_TCK);
		if (tickspersec < 0) {
			proc_state_ptr->time_spent = 0;
		}
		else {
			proc_state_ptr->time_spent = (utime + stime) / tickspersec;
		}

		fclose(f);

		/* uid / gid */
		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
		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;
		}

		if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
			fclose(f);
			continue;
		}
		sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));

		if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
			fclose(f);
			continue;
		}
		sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));

		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) {
		sg_set_error_with_errno(SG_ERROR_SYSCTL,
		                        "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
		return NULL;
	}

	procs = size / sizeof(struct kinfo_proc);

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

	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
		sg_set_error_with_errno(SG_ERROR_SYSCTL,
		                        "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
		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)

#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);
		proc_state_ptr->proctitle = NULL;

/* Starting size - we'll double this straight away */
#define PROCTITLE_START_SIZE 64
		buflen = PROCTITLE_START_SIZE;
		size = buflen;
		proctitle = NULL;

		do {
			if((long) size >= buflen) {
				buflen *= 2;
				size = buflen;
				proctitletmp = sg_realloc(proctitle, buflen);
				if(proctitletmp == NULL) {
					free(proctitle);
					proctitle = NULL;
					proc_state_ptr->proctitle = NULL;
					size = 0;
					break;
				}
				proctitle = proctitletmp;
				bzero(proctitle, buflen);
			}

			if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
				free(proctitle);
				proctitle = NULL;
				proc_state_ptr->proctitle = NULL;
				size = 0;
				break;
			}
		} while((long) size >= buflen);

		if(size > 0) {
			proc_state_ptr->proctitle = sg_malloc(size+1);
			if(proc_state_ptr->proctitle == NULL) {
				return NULL;
			}
			p = proctitle;
#ifdef OPENBSD
			/* On OpenBSD, this value has the argv pointers (which
			 * are terminated by a NULL) at the front, so we have
			 * to skip over them to get to the strings. */
			while (*(char ***)p != NULL) {
				p += sizeof(char **);
			}
			p += sizeof(char **);
#endif
			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);
			proctitle = NULL;
			/* remove trailing space */
			proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
		}
		else {
			if(proctitle != NULL) {
				free(proctitle);
				proctitle = NULL;
			}
			proc_state_ptr->proctitle = NULL;
		}
#else
		free(proc_state_ptr->proctitle);
		proc_state_ptr->proctitle = NULL;
		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 = sg_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) {
				sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
				return NULL;
			}

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

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

			if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
				sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
				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;
		}

		free(kl_stats);
#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 HPUX
	if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) {
		sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
		return NULL;
	}

	while (1) {
		num = pstat_getproc(pstat_procinfo, sizeof pstat_procinfo[0],
		                    PROCESS_BATCH, procidx);
		if (num == -1) {
			sg_set_error_with_errno(SG_ERROR_PSTAT,
			                        "pstat_getproc");
			return NULL;
		} else if (num == 0) {
			break;
		}

		for (i = 0; i < num; i++) {
			struct pst_status *pi = &pstat_procinfo[i];

			if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
				return NULL;
			}
			proc_state_ptr = proc_state+proc_state_size;
	
			proc_state_ptr->pid = pi->pst_pid;
			proc_state_ptr->parent = pi->pst_ppid;
			proc_state_ptr->pgid = pi->pst_pgrp;
			proc_state_ptr->uid = pi->pst_uid;
			proc_state_ptr->euid = pi->pst_euid;
			proc_state_ptr->gid = pi->pst_gid;
			proc_state_ptr->egid = pi->pst_egid;
			proc_state_ptr->proc_size = (pi->pst_dsize + pi->pst_tsize + pi->pst_ssize) * pagesize;
			proc_state_ptr->proc_resident = pi->pst_rssize * pagesize;
			proc_state_ptr->time_spent = pi->pst_time;
			proc_state_ptr->cpu_percent = (pi->pst_pctcpu * 100.0) / 0x8000;
			proc_state_ptr->nice = pi->pst_nice;
	
			if (sg_update_string(&proc_state_ptr->process_name,
					     pi->pst_ucomm) < 0) {
				return NULL;
			}
			if (sg_update_string(&proc_state_ptr->proctitle,
					     pi->pst_cmd) < 0) {
				return NULL;
			}
	
			switch (pi->pst_stat) {
			case PS_SLEEP:
				proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
				break;
			case PS_RUN:
				proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
				break;
			case PS_STOP:
				proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
				break;
			case PS_ZOMBIE:
				proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
				break;
			case PS_IDLE:
			case PS_OTHER:
				proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
				break;
			}
	
			proc_state_size++;
		}
		procidx = pstat_procinfo[num - 1].pst_idx + 1;
	}
#endif

#ifdef AIX
#define	TVALU_TO_SEC(x)	((x).tv_sec + ((double)((x).tv_usec) / 1000000.0))
#define	TVALN_TO_SEC(x)	((x).tv_sec + ((double)((x).tv_usec) / 1000000000.0))
	ncpus = sysconf(_SC_NPROCESSORS_ONLN);
	if( -1 == ncpus ) {
		ncpus = 1; /* sysconf error - assume 1 */
	}

	if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) {
		sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
		return NULL;
	}

	proc_idx = 0;
	procs = /* (struct procentry64 *) */ malloc(sizeof(*procs) * PROCS_TO_FETCH);
	if(NULL == procs) {
		sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_process_stats");
		return 0;
	}

	gettimeofday(&now_tval, 0);
	now_time = TVALU_TO_SEC(now_tval);

	/* keep on grabbing chunks of processes until getprocs returns a smaller
	   block than we asked for */
	do {
		int i;
		fetched = getprocs64(procs, sizeof(*procs), NULL, 0, &index, PROCS_TO_FETCH);
		if (VECTOR_RESIZE(proc_state, proc_state_size + fetched) < 0) {
			sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_process_stats");
			free(procs);
			return NULL;
		}
		for( i = 0; i < fetched; ++i ) {
			struct procentry64 *pi = procs+i;
			int zombie = 0;

			proc_state_ptr = proc_state + proc_idx;

			zombie = 0;

			/* set a descriptive name for the process state */
			switch( pi->pi_state ) {
			case SSLEEP:
				proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
				break;
			case SRUN:
				proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
				break;
			case SZOMB:
				proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
				zombie = 1;
				break;
			case SSTOP:
				proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
				break;
			case SACTIVE:
				proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
				break;
			case SIDL:
			default:
				proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
				break;
			}

			if( zombie ) {
				utime = pi->pi_utime;
				stime = pi->pi_stime;
			} else {
				utime = TVALN_TO_SEC(pi->pi_ru.ru_utime) + TVALN_TO_SEC(pi->pi_cru.ru_utime);
				stime = TVALN_TO_SEC(pi->pi_ru.ru_stime) + TVALN_TO_SEC(pi->pi_cru.ru_stime);
			}

			proc_state_ptr->pid = pi->pi_pid;
			proc_state_ptr->parent = pi->pi_ppid;
			proc_state_ptr->pgid = pi->pi_pgrp;
			proc_state_ptr->uid = pi->pi_cred.crx_ruid;
			proc_state_ptr->euid = pi->pi_cred.crx_uid;
			proc_state_ptr->gid = pi->pi_cred.crx_rgid;
			proc_state_ptr->egid = pi->pi_cred.crx_gid;
			proc_state_ptr->proc_size = pi->pi_size;
			proc_state_ptr->proc_resident = pi->pi_drss + pi->pi_trss; /* XXX might be wrong, see P::PT */
			proc_state_ptr->time_spent = utime + stime;
			proc_state_ptr->cpu_percent = (((double)(utime + stime) * 100) / ( now_time - pi->pi_start )) / ncpus;
			proc_state_ptr->nice = pi->pi_nice;

			/* determine comm & cmndline */
			if( (pi->pi_flags & SKPROC) == SKPROC ) {
				if( pi->pi_pid == 0 ) {
					snprintf(comm, ARG_MAX, "kproc (swapper)");
					snprintf(cmndline, ARG_MAX, "kproc (swapper)");
				} else {
					snprintf(comm, ARG_MAX, "kproc (%s)", pi->pi_comm);
					snprintf(cmndline, ARG_MAX, "kproc (%s)", pi->pi_comm);
				}
			} else {
				snprintf(comm, ARG_MAX, "%s", pi->pi_comm);
				curproc_for_getargs.pi_pid = pi->pi_pid;
				if( getargs(&curproc_for_getargs, sizeof(curproc_for_getargs), cmndline, ARG_MAX) < 0 ) {
					snprintf(cmndline, ARG_MAX, "%s", pi->pi_comm);
				} else {
					int done = 0;
					/* replace NUL characters in command line with spaces */
					char *c = cmndline;
					while( ! done ) {
						if( *c == '\0' ) {
							if( *(c+1) == '\0' ) {
								done = 1;
							} else {
								*c++ = ' ';
							}
						} else {
							++c;
						}
					}
				}
			}


			if (sg_update_string(&proc_state_ptr->process_name, comm) < 0) {
				free(procs);
				return NULL;
			}
			if (sg_update_string(&proc_state_ptr->proctitle, cmndline) < 0) {
				free(procs);
				return NULL;
			}

			proc_idx++;
		}
	} while( fetched >= PROCS_TO_FETCH );

	proc_state_size = proc_idx;

	free(procs);
#endif


#ifdef CYGWIN
	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
	return NULL;
#endif
#ifdef WIN32
	/* FIXME The data needed for this is probably do able with the 
	 * "performance registry". Although using this appears to be a black
	 * art and closely guarded secret.
	 * This is not directly used in ihost, so not considered a priority */
	sg_set_error(SG_ERROR_UNSUPPORTED, "Win32");
	return NULL;
#endif

	*entries = proc_state_size;
	return proc_state;
}

sg_process_count *sg_get_process_count() {
	static sg_process_count process_stat;
#ifndef WIN32
	sg_process_stats *ps;
	int ps_size, x;
#else
	DWORD aProcesses[1024];
	DWORD cbNeeded;
#endif

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

#ifndef WIN32
	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;
#else
	if (!EnumProcesses(aProcesses, sizeof(aProcesses), &cbNeeded))
		return NULL;
	process_stat.total = cbNeeded / sizeof(DWORD);
#endif

	return &process_stat;
}

int sg_process_compare_name(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	return strcmp(a->process_name, b->process_name);
}

int sg_process_compare_pid(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->pid < b->pid) {
		return -1;
	} else if (a->pid == b->pid) {
		return 0;
	} else {
		return 1;
	}
}

int sg_process_compare_uid(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->uid < b->uid) {
		return -1;
	} else if (a->uid == b->uid) {
		return 0;
	} else {
		return 1;
	}
}

int sg_process_compare_gid(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->gid < b->gid) {
		return -1;
	} else if (a->gid == b->gid) {
		return 0;
	} else {
		return 1;
	}
}

int sg_process_compare_size(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->proc_size < b->proc_size) {
		return -1;
	} else if (a->proc_size == b->proc_size) {
		return 0;
	} else {
		return 1;
	}
}

int sg_process_compare_res(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->proc_resident < b->proc_resident) {
		return -1;
	} else if (a->proc_resident == b->proc_resident) {
		return 0;
	} else {
		return 1;
	}
}

int sg_process_compare_cpu(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->cpu_percent < b->cpu_percent) {
		return -1;
	} else if (a->cpu_percent == b->cpu_percent) {
		return 0;
	} else {
		return 1;
	}
}

int sg_process_compare_time(const void *va, const void *vb) {
	const sg_process_stats *a = (sg_process_stats *)va;
	const sg_process_stats *b = (sg_process_stats *)vb;

	if (a->time_spent < b->time_spent) {
		return -1;
	} else if (a->time_spent == b->time_spent) {
		return 0;
	} else {
		return 1;
	}
}
예제 #12
0
파일: proc.c 프로젝트: SDUATI/Zabbix2.4.X
int	PROC_MEM(AGENT_REQUEST *request, AGENT_RESULT *result)
{
	char			*param, *procname, *proccomm;
	struct passwd		*usrinfo;
	struct procentry64	procentry;
	pid_t			pid = 0;
	int			do_task;
	zbx_uint64_t		memsize = 0, proccount = 0, value;

	if (4 < request->nparam)
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
		return SYSINFO_RET_FAIL;
	}

	procname = get_rparam(request, 0);
	param = get_rparam(request, 1);

	if (NULL != param && '\0' != *param)
	{
		if (NULL == (usrinfo = getpwnam(param)))
		{
			SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain user information."));
			return SYSINFO_RET_FAIL;
		}
	}
	else
		usrinfo = NULL;

	param = get_rparam(request, 2);

	if (NULL == param || '\0' == *param || 0 == strcmp(param, "sum"))
		do_task = ZBX_DO_SUM;
	else if (0 == strcmp(param, "avg"))
		do_task = ZBX_DO_AVG;
	else if (0 == strcmp(param, "max"))
		do_task = ZBX_DO_MAX;
	else if (0 == strcmp(param, "min"))
		do_task = ZBX_DO_MIN;
	else
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid third parameter."));
		return SYSINFO_RET_FAIL;
	}

	proccomm = get_rparam(request, 3);

	while (0 < getprocs64(&procentry, (int)sizeof(struct procentry64), NULL, 0, &pid, 1))
	{
		if (NULL != procname && '\0' != *procname && 0 != strcmp(procname, procentry.pi_comm))
			continue;

		if (NULL != usrinfo && usrinfo->pw_uid != procentry.pi_uid)
			continue;

		if (NULL != proccomm && '\0' != *proccomm && SUCCEED != check_procargs(&procentry, proccomm))
			continue;

		value = procentry.pi_size;
		value <<= 12;	/* number of pages to bytes */

		if (0 == proccount++)
		{
			memsize = value;
		}
		else
		{
			if (ZBX_DO_MAX == do_task)
				memsize = MAX(memsize, value);
			else if (ZBX_DO_MIN == do_task)
				memsize = MIN(memsize, value);
			else
				memsize += value;
		}
        }

	if (ZBX_DO_AVG == do_task)
		SET_DBL_RESULT(result, 0 == proccount ? 0 : memsize / (double)proccount);
	else
		SET_UI64_RESULT(result, memsize);

	return SYSINFO_RET_OK;
}