diff options
Diffstat (limited to 'plugins/check_procs.c')
-rw-r--r-- | plugins/check_procs.c | 834 |
1 files changed, 834 insertions, 0 deletions
diff --git a/plugins/check_procs.c b/plugins/check_procs.c new file mode 100644 index 0000000..1637e3e --- /dev/null +++ b/plugins/check_procs.c @@ -0,0 +1,834 @@ +/***************************************************************************** +* +* Monitoring check_procs plugin +* +* License: GPL +* Copyright (c) 2000-2008 Monitoring Plugins Development Team +* +* Description: +* +* This file contains the check_procs plugin +* +* Checks all processes and generates WARNING or CRITICAL states if the +* specified metric is outside the required threshold ranges. The metric +* defaults to number of processes. Search filters can be applied to limit +* the processes to check. +* +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* This program 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 General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program. If not, see <http://www.gnu.org/licenses/>. +* +* +*****************************************************************************/ + +const char *progname = "check_procs"; +const char *program_name = "check_procs"; /* Required for coreutils libs */ +const char *copyright = "2000-2008"; +const char *email = "devel@monitoring-plugins.org"; + +#include "common.h" +#include "utils.h" +#include "utils_cmd.h" +#include "regex.h" + +#include <pwd.h> +#include <errno.h> + +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif + +int process_arguments (int, char **); +int validate_arguments (void); +int convert_to_seconds (char *); +void print_help (void); +void print_usage (void); + +char *warning_range = NULL; +char *critical_range = NULL; +thresholds *procs_thresholds = NULL; + +int options = 0; /* bitmask of filter criteria to test against */ +#define ALL 1 +#define STAT 2 +#define PPID 4 +#define USER 8 +#define PROG 16 +#define ARGS 32 +#define VSZ 64 +#define RSS 128 +#define PCPU 256 +#define ELAPSED 512 +#define EREG_ARGS 1024 +#define EXCLUDE_PROGS 2048 + +#define KTHREAD_PARENT "kthreadd" /* the parent process of kernel threads: + ppid of procs are compared to pid of this proc*/ + +/* Different metrics */ +char *metric_name; +enum metric { + METRIC_PROCS, + METRIC_VSZ, + METRIC_RSS, + METRIC_CPU, + METRIC_ELAPSED +}; +enum metric metric = METRIC_PROCS; + +int verbose = 0; +int uid; +pid_t ppid; +int vsz; +int rss; +float pcpu; +char *statopts; +char *prog; +char *exclude_progs; +char **exclude_progs_arr = NULL; +char exclude_progs_counter = 0; +char *args; +char *input_filename = NULL; +regex_t re_args; +char *fmt; +char *fails; +char tmp[MAX_INPUT_BUFFER]; +int kthread_filter = 0; +int usepid = 0; /* whether to test for pid or /proc/pid/exe */ + +FILE *ps_input = NULL; + +static int +stat_exe (const pid_t pid, struct stat *buf) { + char *path; + int ret; + xasprintf(&path, "/proc/%d/exe", pid); + ret = stat(path, buf); + free(path); + return ret; +} + + +int +main (int argc, char **argv) +{ + char *input_buffer; + char *input_line; + char *procprog; + + pid_t mypid = 0; + pid_t myppid = 0; + struct stat statbuf; + dev_t mydev = 0; + ino_t myino = 0; + int procuid = 0; + pid_t procpid = 0; + pid_t procppid = 0; + pid_t kthread_ppid = 0; + int procvsz = 0; + int procrss = 0; + int procseconds = 0; + float procpcpu = 0; + char procstat[8]; + char procetime[MAX_INPUT_BUFFER] = { '\0' }; + char *procargs; + + const char *zombie = "Z"; + + int resultsum = 0; /* bitmask of the filter criteria met by a process */ + int found = 0; /* counter for number of lines returned in `ps` output */ + int procs = 0; /* counter for number of processes meeting filter criteria */ + int pos; /* number of spaces before 'args' in `ps` output */ + int cols; /* number of columns in ps output */ + int expected_cols = PS_COLS - 1; + int warn = 0; /* number of processes in warn state */ + int crit = 0; /* number of processes in crit state */ + int i = 0, j = 0; + int result = STATE_UNKNOWN; + int ret = 0; + output chld_out, chld_err; + + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + setlocale(LC_NUMERIC, "POSIX"); + + input_buffer = malloc (MAX_INPUT_BUFFER); + procprog = malloc (MAX_INPUT_BUFFER); + + xasprintf (&metric_name, "PROCS"); + metric = METRIC_PROCS; + + /* Parse extra opts if any */ + argv=np_extra_opts (&argc, argv, progname); + + if (process_arguments (argc, argv) == ERROR) + usage4 (_("Could not parse arguments")); + + /* find ourself */ + mypid = getpid(); + myppid = getppid(); + if (usepid || stat_exe(mypid, &statbuf) == -1) { + /* usepid might have been set by -T */ + usepid = 1; + } else { + usepid = 0; + mydev = statbuf.st_dev; + myino = statbuf.st_ino; + } + + /* Set signal handling and alarm timeout */ + if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) { + die (STATE_UNKNOWN, _("Cannot catch SIGALRM")); + } + (void) alarm ((unsigned) timeout_interval); + + if (verbose >= 2) + printf (_("CMD: %s\n"), PS_COMMAND); + + if (input_filename == NULL) { + result = cmd_run( PS_COMMAND, &chld_out, &chld_err, 0); + if (chld_err.lines > 0) { + printf ("%s: %s", _("System call sent warnings to stderr"), chld_err.line[0]); + exit(STATE_WARNING); + } + } else { + result = cmd_file_read( input_filename, &chld_out, 0); + } + + /* flush first line: j starts at 1 */ + for (j = 1; j < chld_out.lines; j++) { + input_line = chld_out.line[j]; + + if (verbose >= 3) + printf ("%s", input_line); + + strcpy (procprog, ""); + xasprintf (&procargs, "%s", ""); + + cols = sscanf (input_line, PS_FORMAT, PS_VARLIST); + + /* Zombie processes do not give a procprog command */ + if ( cols < expected_cols && strstr(procstat, zombie) ) { + cols = expected_cols; + } + if ( cols >= expected_cols ) { + resultsum = 0; + xasprintf (&procargs, "%s", input_line + pos); + strip (procargs); + + /* Some ps return full pathname for command. This removes path */ + strcpy(procprog, base_name(procprog)); + + /* we need to convert the elapsed time to seconds */ + procseconds = convert_to_seconds(procetime); + + if (verbose >= 3) + printf ("proc#=%d uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n", + procs, procuid, procvsz, procrss, + procpid, procppid, procpcpu, procstat, + procetime, procprog, procargs); + + /* Ignore self */ + if ((usepid && mypid == procpid) || + ( ((!usepid) && ((ret = stat_exe(procpid, &statbuf) != -1) && statbuf.st_dev == mydev && statbuf.st_ino == myino)) || + (ret == -1 && errno == ENOENT)) + ) { + if (verbose >= 3) + printf("not considering - is myself or gone\n"); + continue; + } + /* Ignore parent*/ + else if (myppid == procpid) { + if (verbose >= 3) + printf("not considering - is parent\n"); + continue; + } + + /* Ignore excluded processes by name */ + if(options & EXCLUDE_PROGS) { + int found = 0; + int i = 0; + + for(i=0; i < (exclude_progs_counter); i++) { + if(!strcmp(procprog, exclude_progs_arr[i])) { + found = 1; + } + } + if(found == 0) { + resultsum |= EXCLUDE_PROGS; + } else + { + if(verbose >= 3) + printf("excluding - by ignorelist\n"); + } + } + + /* filter kernel threads (children of KTHREAD_PARENT)*/ + /* TODO adapt for other OSes than GNU/Linux + sorry for not doing that, but I've no other OSes to test :-( */ + if (kthread_filter == 1) { + /* get pid KTHREAD_PARENT */ + if (kthread_ppid == 0 && !strcmp(procprog, KTHREAD_PARENT) ) + kthread_ppid = procpid; + + if (kthread_ppid == procppid) { + if (verbose >= 2) + printf ("Ignore kernel thread: pid=%d ppid=%d prog=%s args=%s\n", procpid, procppid, procprog, procargs); + continue; + } + } + + if ((options & STAT) && (strstr (procstat, statopts))) + resultsum |= STAT; + if ((options & ARGS) && procargs && (strstr (procargs, args) != NULL)) + resultsum |= ARGS; + if ((options & EREG_ARGS) && procargs && (regexec(&re_args, procargs, (size_t) 0, NULL, 0) == 0)) + resultsum |= EREG_ARGS; + if ((options & PROG) && procprog && (strcmp (prog, procprog) == 0)) + resultsum |= PROG; + if ((options & PPID) && (procppid == ppid)) + resultsum |= PPID; + if ((options & USER) && (procuid == uid)) + resultsum |= USER; + if ((options & VSZ) && (procvsz >= vsz)) + resultsum |= VSZ; + if ((options & RSS) && (procrss >= rss)) + resultsum |= RSS; + if ((options & PCPU) && (procpcpu >= pcpu)) + resultsum |= PCPU; + + found++; + + /* Next line if filters not matched */ + if (!(options == resultsum || options == ALL)) + continue; + + procs++; + if (verbose >= 2) { + printf ("Matched: uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n", + procuid, procvsz, procrss, + procpid, procppid, procpcpu, procstat, + procetime, procprog, procargs); + } + + if (metric == METRIC_VSZ) + i = get_status ((double)procvsz, procs_thresholds); + else if (metric == METRIC_RSS) + i = get_status ((double)procrss, procs_thresholds); + /* TODO? float thresholds for --metric=CPU */ + else if (metric == METRIC_CPU) + i = get_status (procpcpu, procs_thresholds); + else if (metric == METRIC_ELAPSED) + i = get_status ((double)procseconds, procs_thresholds); + + if (metric != METRIC_PROCS) { + if (i == STATE_WARNING) { + warn++; + xasprintf (&fails, "%s%s%s", fails, (strcmp(fails,"") ? ", " : ""), procprog); + result = max_state (result, i); + } + if (i == STATE_CRITICAL) { + crit++; + xasprintf (&fails, "%s%s%s", fails, (strcmp(fails,"") ? ", " : ""), procprog); + result = max_state (result, i); + } + } + } + /* This should not happen */ + else if (verbose) { + printf(_("Not parseable: %s"), input_buffer); + } + } + + if (found == 0) { /* no process lines parsed so return STATE_UNKNOWN */ + printf (_("Unable to read output\n")); + return STATE_UNKNOWN; + } + + if ( result == STATE_UNKNOWN ) + result = STATE_OK; + + /* Needed if procs found, but none match filter */ + if ( metric == METRIC_PROCS ) { + result = max_state (result, get_status ((double)procs, procs_thresholds) ); + } + + if ( result == STATE_OK ) { + printf ("%s %s: ", metric_name, _("OK")); + } else if (result == STATE_WARNING) { + printf ("%s %s: ", metric_name, _("WARNING")); + if ( metric != METRIC_PROCS ) { + printf (_("%d warn out of "), warn); + } + } else if (result == STATE_CRITICAL) { + printf ("%s %s: ", metric_name, _("CRITICAL")); + if (metric != METRIC_PROCS) { + printf (_("%d crit, %d warn out of "), crit, warn); + } + } + printf (ngettext ("%d process", "%d processes", (unsigned long) procs), procs); + + if (strcmp(fmt,"") != 0) { + printf (_(" with %s"), fmt); + } + + if ( verbose >= 1 && strcmp(fails,"") ) + printf (" [%s]", fails); + + if (metric == METRIC_PROCS) + printf (" | procs=%d;%s;%s;0;", procs, + warning_range ? warning_range : "", + critical_range ? critical_range : ""); + else + printf (" | procs=%d;;;0; procs_warn=%d;;;0; procs_crit=%d;;;0;", procs, warn, crit); + + printf ("\n"); + return result; +} + + + +/* process command-line arguments */ +int +process_arguments (int argc, char **argv) +{ + int c = 1; + char *user; + struct passwd *pw; + int option = 0; + int err; + int cflags = REG_NOSUB | REG_EXTENDED; + char errbuf[MAX_INPUT_BUFFER]; + char *temp_string; + int i=0; + static struct option longopts[] = { + {"warning", required_argument, 0, 'w'}, + {"critical", required_argument, 0, 'c'}, + {"metric", required_argument, 0, 'm'}, + {"timeout", required_argument, 0, 't'}, + {"status", required_argument, 0, 's'}, + {"ppid", required_argument, 0, 'p'}, + {"user", required_argument, 0, 'u'}, + {"command", required_argument, 0, 'C'}, + {"vsz", required_argument, 0, 'z'}, + {"rss", required_argument, 0, 'r'}, + {"pcpu", required_argument, 0, 'P'}, + {"elapsed", required_argument, 0, 'e'}, + {"argument-array", required_argument, 0, 'a'}, + {"help", no_argument, 0, 'h'}, + {"version", no_argument, 0, 'V'}, + {"verbose", no_argument, 0, 'v'}, + {"ereg-argument-array", required_argument, 0, CHAR_MAX+1}, + {"input-file", required_argument, 0, CHAR_MAX+2}, + {"no-kthreads", required_argument, 0, 'k'}, + {"traditional-filter", no_argument, 0, 'T'}, + {"exclude-process", required_argument, 0, 'X'}, + {0, 0, 0, 0} + }; + + for (c = 1; c < argc; c++) + if (strcmp ("-to", argv[c]) == 0) + strcpy (argv[c], "-t"); + + while (1) { + c = getopt_long (argc, argv, "Vvhkt:c:w:p:s:u:C:a:z:r:m:P:T:X:", + longopts, &option); + + if (c == -1 || c == EOF) + break; + + switch (c) { + case '?': /* help */ + usage5 (); + case 'h': /* help */ + print_help (); + exit (STATE_UNKNOWN); + case 'V': /* version */ + print_revision (progname, NP_VERSION); + exit (STATE_UNKNOWN); + case 't': /* timeout period */ + if (!is_integer (optarg)) + usage2 (_("Timeout interval must be a positive integer"), optarg); + else + timeout_interval = atoi (optarg); + break; + case 'c': /* critical threshold */ + critical_range = optarg; + break; + case 'w': /* warning threshold */ + warning_range = optarg; + break; + case 'p': /* process id */ + if (sscanf (optarg, "%d%[^0-9]", &ppid, tmp) == 1) { + xasprintf (&fmt, "%s%sPPID = %d", (fmt ? fmt : "") , (options ? ", " : ""), ppid); + options |= PPID; + break; + } + usage4 (_("Parent Process ID must be an integer!")); + case 's': /* status */ + if (statopts) + break; + else + statopts = optarg; + xasprintf (&fmt, _("%s%sSTATE = %s"), (fmt ? fmt : ""), (options ? ", " : ""), statopts); + options |= STAT; + break; + case 'u': /* user or user id */ + if (is_integer (optarg)) { + uid = atoi (optarg); + pw = getpwuid ((uid_t) uid); + /* check to be sure user exists */ + if (pw == NULL) + usage2 (_("UID was not found"), optarg); + } + else { + pw = getpwnam (optarg); + /* check to be sure user exists */ + if (pw == NULL) + usage2 (_("User name was not found"), optarg); + /* then get uid */ + uid = pw->pw_uid; + } + user = pw->pw_name; + xasprintf (&fmt, "%s%sUID = %d (%s)", (fmt ? fmt : ""), (options ? ", " : ""), + uid, user); + options |= USER; + break; + case 'C': /* command */ + /* TODO: allow this to be passed in with --metric */ + if (prog) + break; + else + prog = optarg; + xasprintf (&fmt, _("%s%scommand name '%s'"), (fmt ? fmt : ""), (options ? ", " : ""), + prog); + options |= PROG; + break; + case 'X': + if(exclude_progs) + break; + else + exclude_progs = optarg; + xasprintf (&fmt, _("%s%sexclude progs '%s'"), (fmt ? fmt : ""), (options ? ", " : ""), + exclude_progs); + char *p = strtok(exclude_progs, ","); + + while(p){ + exclude_progs_arr = realloc(exclude_progs_arr, sizeof(char*) * ++exclude_progs_counter); + exclude_progs_arr[exclude_progs_counter-1] = p; + p = strtok(NULL, ","); + } + + options |= EXCLUDE_PROGS; + break; + case 'a': /* args (full path name with args) */ + /* TODO: allow this to be passed in with --metric */ + if (args) + break; + else + args = optarg; + xasprintf (&fmt, "%s%sargs '%s'", (fmt ? fmt : ""), (options ? ", " : ""), args); + options |= ARGS; + break; + case CHAR_MAX+1: + err = regcomp(&re_args, optarg, cflags); + if (err != 0) { + regerror (err, &re_args, errbuf, MAX_INPUT_BUFFER); + die (STATE_UNKNOWN, "PROCS %s: %s - %s\n", _("UNKNOWN"), _("Could not compile regular expression"), errbuf); + } + /* Strip off any | within the regex optarg */ + temp_string = strdup(optarg); + while(temp_string[i]!='\0'){ + if(temp_string[i]=='|') + temp_string[i]=','; + i++; + } + xasprintf (&fmt, "%s%sregex args '%s'", (fmt ? fmt : ""), (options ? ", " : ""), temp_string); + options |= EREG_ARGS; + break; + case 'r': /* RSS */ + if (sscanf (optarg, "%d%[^0-9]", &rss, tmp) == 1) { + xasprintf (&fmt, "%s%sRSS >= %d", (fmt ? fmt : ""), (options ? ", " : ""), rss); + options |= RSS; + break; + } + usage4 (_("RSS must be an integer!")); + case 'z': /* VSZ */ + if (sscanf (optarg, "%d%[^0-9]", &vsz, tmp) == 1) { + xasprintf (&fmt, "%s%sVSZ >= %d", (fmt ? fmt : ""), (options ? ", " : ""), vsz); + options |= VSZ; + break; + } + usage4 (_("VSZ must be an integer!")); + case 'P': /* PCPU */ + /* TODO: -P 1.5.5 is accepted */ + if (sscanf (optarg, "%f%[^0-9.]", &pcpu, tmp) == 1) { + xasprintf (&fmt, "%s%sPCPU >= %.2f", (fmt ? fmt : ""), (options ? ", " : ""), pcpu); + options |= PCPU; + break; + } + usage4 (_("PCPU must be a float!")); + case 'm': + xasprintf (&metric_name, "%s", optarg); + if ( strcmp(optarg, "PROCS") == 0) { + metric = METRIC_PROCS; + break; + } + else if ( strcmp(optarg, "VSZ") == 0) { + metric = METRIC_VSZ; + break; + } + else if ( strcmp(optarg, "RSS") == 0 ) { + metric = METRIC_RSS; + break; + } + else if ( strcmp(optarg, "CPU") == 0 ) { + metric = METRIC_CPU; + break; + } + else if ( strcmp(optarg, "ELAPSED") == 0) { + metric = METRIC_ELAPSED; + break; + } + + usage4 (_("Metric must be one of PROCS, VSZ, RSS, CPU, ELAPSED!")); + case 'k': /* linux kernel thread filter */ + kthread_filter = 1; + break; + case 'v': /* command */ + verbose++; + break; + case 'T': + usepid = 1; + break; + case CHAR_MAX+2: + input_filename = optarg; + break; + } + } + + c = optind; + if ((! warning_range) && argv[c]) + warning_range = argv[c++]; + if ((! critical_range) && argv[c]) + critical_range = argv[c++]; + if (statopts == NULL && argv[c]) { + xasprintf (&statopts, "%s", argv[c++]); + xasprintf (&fmt, _("%s%sSTATE = %s"), (fmt ? fmt : ""), (options ? ", " : ""), statopts); + options |= STAT; + } + + /* this will abort in case of invalid ranges */ + set_thresholds (&procs_thresholds, warning_range, critical_range); + + return validate_arguments (); +} + + + +int +validate_arguments () +{ + if (options == 0) + options = ALL; + + if (statopts==NULL) + statopts = strdup(""); + + if (prog==NULL) + prog = strdup(""); + + if (args==NULL) + args = strdup(""); + + if (fmt==NULL) + fmt = strdup(""); + + if (fails==NULL) + fails = strdup(""); + + return options; +} + + +/* convert the elapsed time to seconds */ +int +convert_to_seconds(char *etime) { + + char *ptr; + int total; + + int hyphcnt; + int coloncnt; + int days; + int hours; + int minutes; + int seconds; + + hyphcnt = 0; + coloncnt = 0; + days = 0; + hours = 0; + minutes = 0; + seconds = 0; + + for (ptr = etime; *ptr != '\0'; ptr++) { + + if (*ptr == '-') { + hyphcnt++; + continue; + } + if (*ptr == ':') { + coloncnt++; + continue; + } + } + + if (hyphcnt > 0) { + sscanf(etime, "%d-%d:%d:%d", + &days, &hours, &minutes, &seconds); + /* linux 2.6.5/2.6.6 reporting some processes with infinite + * elapsed times for some reason */ + if (days == 49710) { + return 0; + } + } else { + if (coloncnt == 2) { + sscanf(etime, "%d:%d:%d", + &hours, &minutes, &seconds); + } else if (coloncnt == 1) { + sscanf(etime, "%d:%d", + &minutes, &seconds); + } + } + + total = (days * 86400) + + (hours * 3600) + + (minutes * 60) + + seconds; + + if (verbose >= 3 && metric == METRIC_ELAPSED) { + printf("seconds: %d\n", total); + } + return total; +} + + +void +print_help (void) +{ + print_revision (progname, NP_VERSION); + + printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n"); + printf (COPYRIGHT, copyright, email); + + printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified")); + printf ("%s\n", _("metric is outside the required threshold ranges. The metric defaults to number")); + printf ("%s\n", _("of processes. Search filters can be applied to limit the processes to check.")); + + printf ("\n\n"); + + print_usage (); + + printf (UT_HELP_VRSN); + printf (UT_EXTRA_OPTS); + printf (" %s\n", "-w, --warning=RANGE"); + printf (" %s\n", _("Generate warning state if metric is outside this range")); + printf (" %s\n", "-c, --critical=RANGE"); + printf (" %s\n", _("Generate critical state if metric is outside this range")); + printf (" %s\n", "-m, --metric=TYPE"); + printf (" %s\n", _("Check thresholds against metric. Valid types:")); + printf (" %s\n", _("PROCS - number of processes (default)")); + printf (" %s\n", _("VSZ - virtual memory size")); + printf (" %s\n", _("RSS - resident set memory size")); + printf (" %s\n", _("CPU - percentage CPU")); +/* only linux etime is support currently */ +#if defined( __linux__ ) + printf (" %s\n", _("ELAPSED - time elapsed in seconds")); +#endif /* defined(__linux__) */ + printf (UT_PLUG_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); + + printf (" %s\n", "-v, --verbose"); + printf (" %s\n", _("Extra information. Up to 3 verbosity levels")); + + printf (" %s\n", "-T, --traditional"); + printf (" %s\n", _("Filter own process the traditional way by PID instead of /proc/pid/exe")); + + printf ("\n"); + printf ("%s\n", "Filters:"); + printf (" %s\n", "-s, --state=STATUSFLAGS"); + printf (" %s\n", _("Only scan for processes that have, in the output of `ps`, one or")); + printf (" %s\n", _("more of the status flags you specify (for example R, Z, S, RS,")); + printf (" %s\n", _("RSZDT, plus others based on the output of your 'ps' command).")); + printf (" %s\n", "-p, --ppid=PPID"); + printf (" %s\n", _("Only scan for children of the parent process ID indicated.")); + printf (" %s\n", "-z, --vsz=VSZ"); + printf (" %s\n", _("Only scan for processes with VSZ higher than indicated.")); + printf (" %s\n", "-r, --rss=RSS"); + printf (" %s\n", _("Only scan for processes with RSS higher than indicated.")); + printf (" %s\n", "-P, --pcpu=PCPU"); + printf (" %s\n", _("Only scan for processes with PCPU higher than indicated.")); + printf (" %s\n", "-u, --user=USER"); + printf (" %s\n", _("Only scan for processes with user name or ID indicated.")); + printf (" %s\n", "-a, --argument-array=STRING"); + printf (" %s\n", _("Only scan for processes with args that contain STRING.")); + printf (" %s\n", "--ereg-argument-array=STRING"); + printf (" %s\n", _("Only scan for processes with args that contain the regex STRING.")); + printf (" %s\n", "-C, --command=COMMAND"); + printf (" %s\n", _("Only scan for exact matches of COMMAND (without path).")); + printf (" %s\n", "-X, --exclude-process"); + printf (" %s\n", _("Exclude processes which match this comma separated list")); + printf (" %s\n", "-k, --no-kthreads"); + printf (" %s\n", _("Only scan for non kernel threads (works on Linux only).")); + + printf(_("\n\ +RANGEs are specified 'min:max' or 'min:' or ':max' (or 'max'). If\n\ +specified 'max:min', a warning status will be generated if the\n\ +count is inside the specified range\n\n")); + + printf(_("\ +This plugin checks the number of currently running processes and\n\ +generates WARNING or CRITICAL states if the process count is outside\n\ +the specified threshold ranges. The process count can be filtered by\n\ +process owner, parent process PID, current state (e.g., 'Z'), or may\n\ +be the total number of running processes\n\n")); + + printf ("%s\n", _("Examples:")); + printf (" %s\n", "check_procs -w 2:2 -c 2:1024 -C portsentry"); + printf (" %s\n", _("Warning if not two processes with command name portsentry.")); + printf (" %s\n\n", _("Critical if < 2 or > 1024 processes")); + printf (" %s\n", "check_procs -c 1: -C sshd"); + printf (" %s\n", _("Critical if not at least 1 process with command sshd")); + printf (" %s\n", "check_procs -w 1024 -c 1: -C sshd"); + printf (" %s\n", _("Warning if > 1024 processes with command name sshd.")); + printf (" %s\n\n", _("Critical if < 1 processes with command name sshd.")); + printf (" %s\n", "check_procs -w 10 -a '/usr/local/bin/perl' -u root"); + printf (" %s\n", _("Warning alert if > 10 processes with command arguments containing")); + printf (" %s\n\n", _("'/usr/local/bin/perl' and owned by root")); + printf (" %s\n", "check_procs -w 50000 -c 100000 --metric=VSZ"); + printf (" %s\n\n", _("Alert if VSZ of any processes over 50K or 100K")); + printf (" %s\n", "check_procs -w 10 -c 20 --metric=CPU"); + printf (" %s\n", _("Alert if CPU of any processes over 10\% or 20\%")); + + printf (UT_SUPPORT); +} + +void +print_usage (void) +{ + printf ("%s\n", _("Usage:")); + printf ("%s -w <range> -c <range> [-m metric] [-s state] [-p ppid]\n", progname); + printf (" [-u user] [-r rss] [-z vsz] [-P %%cpu] [-a argument-array]\n"); + printf (" [-C command] [-X process_to_exclude] [-k] [-t timeout] [-v]\n"); +} |