2151fb386facd262f57604870a2fd54e3fe62240
1 /*****************************************************************************
2 *
3 * Nagios check_procs plugin
4 *
5 * License: GPL
6 * Copyright (c) 2000-2008 Nagios Plugins Development Team
7 *
8 * Description:
9 *
10 * This file contains the check_procs plugin
11 *
12 * Checks all processes and generates WARNING or CRITICAL states if the
13 * specified metric is outside the required threshold ranges. The metric
14 * defaults to number of processes. Search filters can be applied to limit
15 * the processes to check.
16 *
17 *
18 * This program is free software: you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation, either version 3 of the License, or
21 * (at your option) any later version.
22 *
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 *
31 *
32 *****************************************************************************/
34 const char *progname = "check_procs";
35 const char *program_name = "check_procs"; /* Required for coreutils libs */
36 const char *copyright = "2000-2008";
37 const char *email = "nagiosplug-devel@lists.sourceforge.net";
39 #include "common.h"
40 #include "utils.h"
41 #include "utils_cmd.h"
42 #include "regex.h"
44 #include <pwd.h>
46 int process_arguments (int, char **);
47 int validate_arguments (void);
48 int check_thresholds (int);
49 int convert_to_seconds (char *);
50 void print_help (void);
51 void print_usage (void);
53 int wmax = -1;
54 int cmax = -1;
55 int wmin = -1;
56 int cmin = -1;
58 int options = 0; /* bitmask of filter criteria to test against */
59 #define ALL 1
60 #define STAT 2
61 #define PPID 4
62 #define USER 8
63 #define PROG 16
64 #define ARGS 32
65 #define VSZ 64
66 #define RSS 128
67 #define PCPU 256
68 #define ELAPSED 512
69 #define EREG_ARGS 1024
70 /* Different metrics */
71 char *metric_name;
72 enum metric {
73 METRIC_PROCS,
74 METRIC_VSZ,
75 METRIC_RSS,
76 METRIC_CPU,
77 METRIC_ELAPSED
78 };
79 enum metric metric = METRIC_PROCS;
81 int verbose = 0;
82 int uid;
83 pid_t ppid;
84 int vsz;
85 int rss;
86 float pcpu;
87 char *statopts;
88 char *prog;
89 char *args;
90 char *input_filename = NULL;
91 regex_t re_args;
92 char *fmt;
93 char *fails;
94 char tmp[MAX_INPUT_BUFFER];
96 FILE *ps_input = NULL;
99 int
100 main (int argc, char **argv)
101 {
102 char *input_buffer;
103 char *input_line;
104 char *procprog;
106 pid_t mypid = 0;
107 int procuid = 0;
108 pid_t procpid = 0;
109 pid_t procppid = 0;
110 int procvsz = 0;
111 int procrss = 0;
112 int procseconds = 0;
113 float procpcpu = 0;
114 char procstat[8];
115 char procetime[MAX_INPUT_BUFFER] = { '\0' };
116 char *procargs;
118 const char *zombie = "Z";
120 int resultsum = 0; /* bitmask of the filter criteria met by a process */
121 int found = 0; /* counter for number of lines returned in `ps` output */
122 int procs = 0; /* counter for number of processes meeting filter criteria */
123 int pos; /* number of spaces before 'args' in `ps` output */
124 int cols; /* number of columns in ps output */
125 int expected_cols = PS_COLS - 1;
126 int warn = 0; /* number of processes in warn state */
127 int crit = 0; /* number of processes in crit state */
128 int i = 0, j = 0;
129 int result = STATE_UNKNOWN;
130 output chld_out, chld_err;
132 setlocale (LC_ALL, "");
133 bindtextdomain (PACKAGE, LOCALEDIR);
134 textdomain (PACKAGE);
135 setlocale(LC_NUMERIC, "POSIX");
137 input_buffer = malloc (MAX_INPUT_BUFFER);
138 procprog = malloc (MAX_INPUT_BUFFER);
140 asprintf (&metric_name, "PROCS");
141 metric = METRIC_PROCS;
143 /* Parse extra opts if any */
144 argv=np_extra_opts (&argc, argv, progname);
146 if (process_arguments (argc, argv) == ERROR)
147 usage4 (_("Could not parse arguments"));
149 /* get our pid */
150 mypid = getpid();
152 /* Set signal handling and alarm timeout */
153 if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) {
154 die (STATE_UNKNOWN, _("Cannot catch SIGALRM"));
155 }
156 (void) alarm ((unsigned) timeout_interval);
158 if (verbose >= 2)
159 printf (_("CMD: %s\n"), PS_COMMAND);
161 if (input_filename == NULL) {
162 result = cmd_run( PS_COMMAND, &chld_out, &chld_err, 0);
163 if (chld_err.lines > 0) {
164 printf ("%s: %s", _("System call sent warnings to stderr"), chld_err.line[0]);
165 exit(STATE_WARNING);
166 }
167 } else {
168 result = cmd_file_read( input_filename, &chld_out, 0);
169 }
171 /* flush first line: j starts at 1 */
172 for (j = 1; j < chld_out.lines; j++) {
173 input_line = chld_out.line[j];
175 if (verbose >= 3)
176 printf ("%s", input_line);
178 strcpy (procprog, "");
179 asprintf (&procargs, "%s", "");
181 cols = sscanf (input_line, PS_FORMAT, PS_VARLIST);
183 /* Zombie processes do not give a procprog command */
184 if ( cols < expected_cols && strstr(procstat, zombie) ) {
185 cols = expected_cols;
186 }
187 if ( cols >= expected_cols ) {
188 resultsum = 0;
189 asprintf (&procargs, "%s", input_line + pos);
190 strip (procargs);
192 /* Some ps return full pathname for command. This removes path */
193 strcpy(procprog, base_name(procprog));
195 /* we need to convert the elapsed time to seconds */
196 procseconds = convert_to_seconds(procetime);
198 if (verbose >= 3)
199 printf ("proc#=%d uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n",
200 procs, procuid, procvsz, procrss,
201 procpid, procppid, procpcpu, procstat,
202 procetime, procprog, procargs);
204 /* Ignore self */
205 if (mypid == procpid) continue;
207 if ((options & STAT) && (strstr (statopts, procstat)))
208 resultsum |= STAT;
209 if ((options & ARGS) && procargs && (strstr (procargs, args) != NULL))
210 resultsum |= ARGS;
211 if ((options & EREG_ARGS) && procargs && (regexec(&re_args, procargs, (size_t) 0, NULL, 0) == 0))
212 resultsum |= EREG_ARGS;
213 if ((options & PROG) && procprog && (strcmp (prog, procprog) == 0))
214 resultsum |= PROG;
215 if ((options & PPID) && (procppid == ppid))
216 resultsum |= PPID;
217 if ((options & USER) && (procuid == uid))
218 resultsum |= USER;
219 if ((options & VSZ) && (procvsz >= vsz))
220 resultsum |= VSZ;
221 if ((options & RSS) && (procrss >= rss))
222 resultsum |= RSS;
223 if ((options & PCPU) && (procpcpu >= pcpu))
224 resultsum |= PCPU;
226 found++;
228 /* Next line if filters not matched */
229 if (!(options == resultsum || options == ALL))
230 continue;
232 procs++;
233 if (verbose >= 2) {
234 printf ("Matched: uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n",
235 procuid, procvsz, procrss,
236 procpid, procppid, procpcpu, procstat,
237 procetime, procprog, procargs);
238 }
240 if (metric == METRIC_VSZ)
241 i = check_thresholds (procvsz);
242 else if (metric == METRIC_RSS)
243 i = check_thresholds (procrss);
244 /* TODO? float thresholds for --metric=CPU */
245 else if (metric == METRIC_CPU)
246 i = check_thresholds ((int)procpcpu);
247 else if (metric == METRIC_ELAPSED)
248 i = check_thresholds (procseconds);
250 if (metric != METRIC_PROCS) {
251 if (i == STATE_WARNING) {
252 warn++;
253 asprintf (&fails, "%s%s%s", fails, (strcmp(fails,"") ? ", " : ""), procprog);
254 result = max_state (result, i);
255 }
256 if (i == STATE_CRITICAL) {
257 crit++;
258 asprintf (&fails, "%s%s%s", fails, (strcmp(fails,"") ? ", " : ""), procprog);
259 result = max_state (result, i);
260 }
261 }
262 }
263 /* This should not happen */
264 else if (verbose) {
265 printf(_("Not parseable: %s"), input_buffer);
266 }
267 }
269 if (found == 0) { /* no process lines parsed so return STATE_UNKNOWN */
270 printf (_("Unable to read output\n"));
271 return STATE_UNKNOWN;
272 }
274 if ( result == STATE_UNKNOWN )
275 result = STATE_OK;
277 /* Needed if procs found, but none match filter */
278 if ( metric == METRIC_PROCS ) {
279 result = max_state (result, check_thresholds (procs) );
280 }
282 if ( result == STATE_OK ) {
283 printf ("%s %s: ", metric_name, _("OK"));
284 } else if (result == STATE_WARNING) {
285 printf ("%s %s: ", metric_name, _("WARNING"));
286 if ( metric != METRIC_PROCS ) {
287 printf (_("%d warn out of "), warn);
288 }
289 } else if (result == STATE_CRITICAL) {
290 printf ("%s %s: ", metric_name, _("CRITICAL"));
291 if (metric != METRIC_PROCS) {
292 printf (_("%d crit, %d warn out of "), crit, warn);
293 }
294 }
295 printf (ngettext ("%d process", "%d processes", (unsigned long) procs), procs);
297 if (strcmp(fmt,"") != 0) {
298 printf (_(" with %s"), fmt);
299 }
301 if ( verbose >= 1 && strcmp(fails,"") )
302 printf (" [%s]", fails);
304 printf ("\n");
305 return result;
306 }
310 /* process command-line arguments */
311 int
312 process_arguments (int argc, char **argv)
313 {
314 int c = 1;
315 char *user;
316 struct passwd *pw;
317 int option = 0;
318 int err;
319 int cflags = REG_NOSUB | REG_EXTENDED;
320 char errbuf[MAX_INPUT_BUFFER];
321 static struct option longopts[] = {
322 {"warning", required_argument, 0, 'w'},
323 {"critical", required_argument, 0, 'c'},
324 {"metric", required_argument, 0, 'm'},
325 {"timeout", required_argument, 0, 't'},
326 {"status", required_argument, 0, 's'},
327 {"ppid", required_argument, 0, 'p'},
328 {"command", required_argument, 0, 'C'},
329 {"vsz", required_argument, 0, 'z'},
330 {"rss", required_argument, 0, 'r'},
331 {"pcpu", required_argument, 0, 'P'},
332 {"elapsed", required_argument, 0, 'e'},
333 {"argument-array", required_argument, 0, 'a'},
334 {"help", no_argument, 0, 'h'},
335 {"version", no_argument, 0, 'V'},
336 {"verbose", no_argument, 0, 'v'},
337 {"ereg-argument-array", required_argument, 0, CHAR_MAX+1},
338 {"input-file", required_argument, 0, CHAR_MAX+2},
339 {0, 0, 0, 0}
340 };
342 for (c = 1; c < argc; c++)
343 if (strcmp ("-to", argv[c]) == 0)
344 strcpy (argv[c], "-t");
346 while (1) {
347 c = getopt_long (argc, argv, "Vvht:c:w:p:s:u:C:a:z:r:m:P:",
348 longopts, &option);
350 if (c == -1 || c == EOF)
351 break;
353 switch (c) {
354 case '?': /* help */
355 usage5 ();
356 case 'h': /* help */
357 print_help ();
358 exit (STATE_OK);
359 case 'V': /* version */
360 print_revision (progname, NP_VERSION);
361 exit (STATE_OK);
362 case 't': /* timeout period */
363 if (!is_integer (optarg))
364 usage2 (_("Timeout interval must be a positive integer"), optarg);
365 else
366 timeout_interval = atoi (optarg);
367 break;
368 case 'c': /* critical threshold */
369 if (is_integer (optarg))
370 cmax = atoi (optarg);
371 else if (sscanf (optarg, ":%d", &cmax) == 1)
372 break;
373 else if (sscanf (optarg, "%d:%d", &cmin, &cmax) == 2)
374 break;
375 else if (sscanf (optarg, "%d:", &cmin) == 1)
376 break;
377 else
378 usage4 (_("Critical Process Count must be an integer!"));
379 break;
380 case 'w': /* warning threshold */
381 if (is_integer (optarg))
382 wmax = atoi (optarg);
383 else if (sscanf (optarg, ":%d", &wmax) == 1)
384 break;
385 else if (sscanf (optarg, "%d:%d", &wmin, &wmax) == 2)
386 break;
387 else if (sscanf (optarg, "%d:", &wmin) == 1)
388 break;
389 else
390 usage4 (_("Warning Process Count must be an integer!"));
391 break;
392 case 'p': /* process id */
393 if (sscanf (optarg, "%d%[^0-9]", &ppid, tmp) == 1) {
394 asprintf (&fmt, "%s%sPPID = %d", (fmt ? fmt : "") , (options ? ", " : ""), ppid);
395 options |= PPID;
396 break;
397 }
398 usage4 (_("Parent Process ID must be an integer!"));
399 case 's': /* status */
400 if (statopts)
401 break;
402 else
403 statopts = optarg;
404 asprintf (&fmt, _("%s%sSTATE = %s"), (fmt ? fmt : ""), (options ? ", " : ""), statopts);
405 options |= STAT;
406 break;
407 case 'u': /* user or user id */
408 if (is_integer (optarg)) {
409 uid = atoi (optarg);
410 pw = getpwuid ((uid_t) uid);
411 /* check to be sure user exists */
412 if (pw == NULL)
413 usage2 (_("UID was not found"), optarg);
414 }
415 else {
416 pw = getpwnam (optarg);
417 /* check to be sure user exists */
418 if (pw == NULL)
419 usage2 (_("User name was not found"), optarg);
420 /* then get uid */
421 uid = pw->pw_uid;
422 }
423 user = pw->pw_name;
424 asprintf (&fmt, "%s%sUID = %d (%s)", (fmt ? fmt : ""), (options ? ", " : ""),
425 uid, user);
426 options |= USER;
427 break;
428 case 'C': /* command */
429 /* TODO: allow this to be passed in with --metric */
430 if (prog)
431 break;
432 else
433 prog = optarg;
434 asprintf (&fmt, _("%s%scommand name '%s'"), (fmt ? fmt : ""), (options ? ", " : ""),
435 prog);
436 options |= PROG;
437 break;
438 case 'a': /* args (full path name with args) */
439 /* TODO: allow this to be passed in with --metric */
440 if (args)
441 break;
442 else
443 args = optarg;
444 asprintf (&fmt, "%s%sargs '%s'", (fmt ? fmt : ""), (options ? ", " : ""), args);
445 options |= ARGS;
446 break;
447 case CHAR_MAX+1:
448 err = regcomp(&re_args, optarg, cflags);
449 if (err != 0) {
450 regerror (err, &re_args, errbuf, MAX_INPUT_BUFFER);
451 die (STATE_UNKNOWN, "PROCS %s: %s - %s\n", _("UNKNOWN"), _("Could not compile regular expression"), errbuf);
452 }
453 asprintf (&fmt, "%s%sregex args '%s'", (fmt ? fmt : ""), (options ? ", " : ""), optarg);
454 options |= EREG_ARGS;
455 break;
456 case 'r': /* RSS */
457 if (sscanf (optarg, "%d%[^0-9]", &rss, tmp) == 1) {
458 asprintf (&fmt, "%s%sRSS >= %d", (fmt ? fmt : ""), (options ? ", " : ""), rss);
459 options |= RSS;
460 break;
461 }
462 usage4 (_("RSS must be an integer!"));
463 case 'z': /* VSZ */
464 if (sscanf (optarg, "%d%[^0-9]", &vsz, tmp) == 1) {
465 asprintf (&fmt, "%s%sVSZ >= %d", (fmt ? fmt : ""), (options ? ", " : ""), vsz);
466 options |= VSZ;
467 break;
468 }
469 usage4 (_("VSZ must be an integer!"));
470 case 'P': /* PCPU */
471 /* TODO: -P 1.5.5 is accepted */
472 if (sscanf (optarg, "%f%[^0-9.]", &pcpu, tmp) == 1) {
473 asprintf (&fmt, "%s%sPCPU >= %.2f", (fmt ? fmt : ""), (options ? ", " : ""), pcpu);
474 options |= PCPU;
475 break;
476 }
477 usage4 (_("PCPU must be a float!"));
478 case 'm':
479 asprintf (&metric_name, "%s", optarg);
480 if ( strcmp(optarg, "PROCS") == 0) {
481 metric = METRIC_PROCS;
482 break;
483 }
484 else if ( strcmp(optarg, "VSZ") == 0) {
485 metric = METRIC_VSZ;
486 break;
487 }
488 else if ( strcmp(optarg, "RSS") == 0 ) {
489 metric = METRIC_RSS;
490 break;
491 }
492 else if ( strcmp(optarg, "CPU") == 0 ) {
493 metric = METRIC_CPU;
494 break;
495 }
496 else if ( strcmp(optarg, "ELAPSED") == 0) {
497 metric = METRIC_ELAPSED;
498 break;
499 }
501 usage4 (_("Metric must be one of PROCS, VSZ, RSS, CPU, ELAPSED!"));
502 case 'v': /* command */
503 verbose++;
504 break;
505 case CHAR_MAX+2:
506 input_filename = optarg;
507 break;
508 }
509 }
511 c = optind;
512 if (wmax == -1 && argv[c])
513 wmax = atoi (argv[c++]);
514 if (cmax == -1 && argv[c])
515 cmax = atoi (argv[c++]);
516 if (statopts == NULL && argv[c]) {
517 asprintf (&statopts, "%s", argv[c++]);
518 asprintf (&fmt, _("%s%sSTATE = %s"), (fmt ? fmt : ""), (options ? ", " : ""), statopts);
519 options |= STAT;
520 }
522 return validate_arguments ();
523 }
527 int
528 validate_arguments ()
529 {
531 if (wmax >= 0 && wmin == -1)
532 wmin = 0;
533 if (cmax >= 0 && cmin == -1)
534 cmin = 0;
535 if (wmax >= wmin && cmax >= cmin) { /* standard ranges */
536 if (wmax > cmax && cmax != -1) {
537 printf (_("wmax (%d) cannot be greater than cmax (%d)\n"), wmax, cmax);
538 return ERROR;
539 }
540 if (cmin > wmin && wmin != -1) {
541 printf (_("wmin (%d) cannot be less than cmin (%d)\n"), wmin, cmin);
542 return ERROR;
543 }
544 }
546 /* if (wmax == -1 && cmax == -1 && wmin == -1 && cmin == -1) { */
547 /* printf ("At least one threshold must be set\n"); */
548 /* return ERROR; */
549 /* } */
551 if (options == 0)
552 options = ALL;
554 if (statopts==NULL)
555 statopts = strdup("");
557 if (prog==NULL)
558 prog = strdup("");
560 if (args==NULL)
561 args = strdup("");
563 if (fmt==NULL)
564 fmt = strdup("");
566 if (fails==NULL)
567 fails = strdup("");
569 return options;
570 }
574 /* Check thresholds against value */
575 int
576 check_thresholds (int value)
577 {
578 if (wmax == -1 && cmax == -1 && wmin == -1 && cmin == -1) {
579 return OK;
580 }
581 else if (cmax >= 0 && cmin >= 0 && cmax < cmin) {
582 if (value > cmax && value < cmin)
583 return STATE_CRITICAL;
584 }
585 else if (cmax >= 0 && value > cmax) {
586 return STATE_CRITICAL;
587 }
588 else if (cmin >= 0 && value < cmin) {
589 return STATE_CRITICAL;
590 }
592 if (wmax >= 0 && wmin >= 0 && wmax < wmin) {
593 if (value > wmax && value < wmin) {
594 return STATE_WARNING;
595 }
596 }
597 else if (wmax >= 0 && value > wmax) {
598 return STATE_WARNING;
599 }
600 else if (wmin >= 0 && value < wmin) {
601 return STATE_WARNING;
602 }
603 return STATE_OK;
604 }
607 /* convert the elapsed time to seconds */
608 int
609 convert_to_seconds(char *etime) {
611 char *ptr;
612 int total;
614 int hyphcnt;
615 int coloncnt;
616 int days;
617 int hours;
618 int minutes;
619 int seconds;
621 hyphcnt = 0;
622 coloncnt = 0;
623 days = 0;
624 hours = 0;
625 minutes = 0;
626 seconds = 0;
628 for (ptr = etime; *ptr != '\0'; ptr++) {
630 if (*ptr == '-') {
631 hyphcnt++;
632 continue;
633 }
634 if (*ptr == ':') {
635 coloncnt++;
636 continue;
637 }
638 }
640 if (hyphcnt > 0) {
641 sscanf(etime, "%d-%d:%d:%d",
642 &days, &hours, &minutes, &seconds);
643 /* linux 2.6.5/2.6.6 reporting some processes with infinite
644 * elapsed times for some reason */
645 if (days == 49710) {
646 return 0;
647 }
648 } else {
649 if (coloncnt == 2) {
650 sscanf(etime, "%d:%d:%d",
651 &hours, &minutes, &seconds);
652 } else if (coloncnt == 1) {
653 sscanf(etime, "%d:%d",
654 &minutes, &seconds);
655 }
656 }
658 total = (days * 86400) +
659 (hours * 3600) +
660 (minutes * 60) +
661 seconds;
663 if (verbose >= 3 && metric == METRIC_ELAPSED) {
664 printf("seconds: %d\n", total);
665 }
666 return total;
667 }
670 void
671 print_help (void)
672 {
673 print_revision (progname, NP_VERSION);
675 printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
676 printf (COPYRIGHT, copyright, email);
678 printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified"));
679 printf ("%s\n", _("metric is outside the required threshold ranges. The metric defaults to number"));
680 printf ("%s\n", _("of processes. Search filters can be applied to limit the processes to check."));
682 printf ("\n\n");
684 print_usage ();
686 printf (UT_HELP_VRSN);
687 printf (UT_EXTRA_OPTS);
688 printf (" %s\n", "-w, --warning=RANGE");
689 printf (" %s\n", _("Generate warning state if metric is outside this range"));
690 printf (" %s\n", "-c, --critical=RANGE");
691 printf (" %s\n", _("Generate critical state if metric is outside this range"));
692 printf (" %s\n", "-m, --metric=TYPE");
693 printf (" %s\n", _("Check thresholds against metric. Valid types:"));
694 printf (" %s\n", _("PROCS - number of processes (default)"));
695 printf (" %s\n", _("VSZ - virtual memory size"));
696 printf (" %s\n", _("RSS - resident set memory size"));
697 printf (" %s\n", _("CPU - percentage CPU"));
698 /* only linux etime is support currently */
699 #if defined( __linux__ )
700 printf (" %s\n", _("ELAPSED - time elapsed in seconds"));
701 #endif /* defined(__linux__) */
702 printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
704 printf (" %s\n", "-v, --verbose");
705 printf (" %s\n", _("Extra information. Up to 3 verbosity levels"));
707 printf ("\n");
708 printf ("%s\n", "Filters:");
709 printf (" %s\n", "-s, --state=STATUSFLAGS");
710 printf (" %s\n", _("Only scan for processes that have, in the output of `ps`, one or"));
711 printf (" %s\n", _("more of the status flags you specify (for example R, Z, S, RS,"));
712 printf (" %s\n", _("RSZDT, plus others based on the output of your 'ps' command)."));
713 printf (" %s\n", "-p, --ppid=PPID");
714 printf (" %s\n", _("Only scan for children of the parent process ID indicated."));
715 printf (" %s\n", "-z, --vsz=VSZ");
716 printf (" %s\n", _("Only scan for processes with VSZ higher than indicated."));
717 printf (" %s\n", "-r, --rss=RSS");
718 printf (" %s\n", _("Only scan for processes with RSS higher than indicated."));
719 printf (" %s\n", "-P, --pcpu=PCPU");
720 printf (" %s\n", _("Only scan for processes with PCPU higher than indicated."));
721 printf (" %s\n", "-u, --user=USER");
722 printf (" %s\n", _("Only scan for processes with user name or ID indicated."));
723 printf (" %s\n", "-a, --argument-array=STRING");
724 printf (" %s\n", _("Only scan for processes with args that contain STRING."));
725 printf (" %s\n", "--ereg-argument-array=STRING");
726 printf (" %s\n", _("Only scan for processes with args that contain the regex STRING."));
727 printf (" %s\n", "-C, --command=COMMAND");
728 printf (" %s\n", _("Only scan for exact matches of COMMAND (without path)."));
730 printf(_("\n\
731 RANGEs are specified 'min:max' or 'min:' or ':max' (or 'max'). If\n\
732 specified 'max:min', a warning status will be generated if the\n\
733 count is inside the specified range\n\n"));
735 printf(_("\
736 This plugin checks the number of currently running processes and\n\
737 generates WARNING or CRITICAL states if the process count is outside\n\
738 the specified threshold ranges. The process count can be filtered by\n\
739 process owner, parent process PID, current state (e.g., 'Z'), or may\n\
740 be the total number of running processes\n\n"));
742 printf ("%s\n", _("Examples:"));
743 printf (" %s\n", "check_procs -w 2:2 -c 2:1024 -C portsentry");
744 printf (" %s\n", _("Warning if not two processes with command name portsentry."));
745 printf (" %s\n\n", _("Critical if < 2 or > 1024 processes"));
746 printf (" %s\n", "check_procs -w 10 -a '/usr/local/bin/perl' -u root");
747 printf (" %s\n", _("Warning alert if > 10 processes with command arguments containing"));
748 printf (" %s\n\n", _("'/usr/local/bin/perl' and owned by root"));
749 printf (" %s\n", "check_procs -w 50000 -c 100000 --metric=VSZ");
750 printf (" %s\n\n", _("Alert if VSZ of any processes over 50K or 100K"));
751 printf (" %s\n", "check_procs -w 10 -c 20 --metric=CPU");
752 printf (" %s\n", _("Alert if CPU of any processes over 10%% or 20%%"));
754 printf (UT_SUPPORT);
755 }
757 void
758 print_usage (void)
759 {
760 printf ("%s\n", _("Usage:"));
761 printf ("%s -w <range> -c <range> [-m metric] [-s state] [-p ppid]\n", progname);
762 printf (" [-u user] [-r rss] [-z vsz] [-P %%cpu] [-a argument-array]\n");
763 printf (" [-C command] [-t timeout] [-v]\n");
764 }