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authorAndreas Baumann <mail@andreasbaumann.cc>2019-04-04 13:09:15 +0200
committerAndreas Baumann <mail@andreasbaumann.cc>2019-04-04 13:09:15 +0200
commit2f4d6764d78cf085601b34ac92486405bd11095d (patch)
tree550601dc79e74fd4c184dc96a95687d1d1238b43 /plugins/check_load.c
parentfaea5899ba3264581bf75649e4b399d0b69bd125 (diff)
parent5f16ba81c4af1a05e67806ca989a1dd46248a5fd (diff)
downloadmonitoring-plugins-2f4d6764d78cf085601b34ac92486405bd11095d.tar.gz
Merge branch 'master' into feature_check_curl
Diffstat (limited to 'plugins/check_load.c')
-rw-r--r--plugins/check_load.c61
1 files changed, 59 insertions, 2 deletions
diff --git a/plugins/check_load.c b/plugins/check_load.c
index b1cc498f..bf7b94b4 100644
--- a/plugins/check_load.c
+++ b/plugins/check_load.c
@@ -33,6 +33,7 @@ const char *copyright = "1999-2007";
33const char *email = "devel@monitoring-plugins.org"; 33const char *email = "devel@monitoring-plugins.org";
34 34
35#include "common.h" 35#include "common.h"
36#include "runcmd.h"
36#include "utils.h" 37#include "utils.h"
37#include "popen.h" 38#include "popen.h"
38 39
@@ -52,6 +53,9 @@ static int process_arguments (int argc, char **argv);
52static int validate_arguments (void); 53static int validate_arguments (void);
53void print_help (void); 54void print_help (void);
54void print_usage (void); 55void print_usage (void);
56static int print_top_consuming_processes();
57
58static int n_procs_to_show = 0;
55 59
56/* strictly for pretty-print usage in loops */ 60/* strictly for pretty-print usage in loops */
57static const int nums[3] = { 1, 5, 15 }; 61static const int nums[3] = { 1, 5, 15 };
@@ -210,6 +214,9 @@ main (int argc, char **argv)
210 printf("load%d=%.3f;%.3f;%.3f;0; ", nums[i], la[i], wload[i], cload[i]); 214 printf("load%d=%.3f;%.3f;%.3f;0; ", nums[i], la[i], wload[i], cload[i]);
211 215
212 putchar('\n'); 216 putchar('\n');
217 if (n_procs_to_show > 0) {
218 print_top_consuming_processes();
219 }
213 return result; 220 return result;
214} 221}
215 222
@@ -227,6 +234,7 @@ process_arguments (int argc, char **argv)
227 {"percpu", no_argument, 0, 'r'}, 234 {"percpu", no_argument, 0, 'r'},
228 {"version", no_argument, 0, 'V'}, 235 {"version", no_argument, 0, 'V'},
229 {"help", no_argument, 0, 'h'}, 236 {"help", no_argument, 0, 'h'},
237 {"procs-to-show", required_argument, 0, 'n'},
230 {0, 0, 0, 0} 238 {0, 0, 0, 0}
231 }; 239 };
232 240
@@ -234,7 +242,7 @@ process_arguments (int argc, char **argv)
234 return ERROR; 242 return ERROR;
235 243
236 while (1) { 244 while (1) {
237 c = getopt_long (argc, argv, "Vhrc:w:", longopts, &option); 245 c = getopt_long (argc, argv, "Vhrc:w:n:", longopts, &option);
238 246
239 if (c == -1 || c == EOF) 247 if (c == -1 || c == EOF)
240 break; 248 break;
@@ -255,6 +263,9 @@ process_arguments (int argc, char **argv)
255 case 'h': /* help */ 263 case 'h': /* help */
256 print_help (); 264 print_help ();
257 exit (STATE_UNKNOWN); 265 exit (STATE_UNKNOWN);
266 case 'n':
267 n_procs_to_show = atoi(optarg);
268 break;
258 case '?': /* help */ 269 case '?': /* help */
259 usage5 (); 270 usage5 ();
260 } 271 }
@@ -324,6 +335,9 @@ print_help (void)
324 printf (" %s\n", _("the load average format is the same used by \"uptime\" and \"w\"")); 335 printf (" %s\n", _("the load average format is the same used by \"uptime\" and \"w\""));
325 printf (" %s\n", "-r, --percpu"); 336 printf (" %s\n", "-r, --percpu");
326 printf (" %s\n", _("Divide the load averages by the number of CPUs (when possible)")); 337 printf (" %s\n", _("Divide the load averages by the number of CPUs (when possible)"));
338 printf (" %s\n", "-n, --procs-to-show=NUMBER_OF_PROCS");
339 printf (" %s\n", _("Number of processes to show when printing the top consuming processes."));
340 printf (" %s\n", _("NUMBER_OF_PROCS=0 disables this feature. Default value is 0"));
327 341
328 printf (UT_SUPPORT); 342 printf (UT_SUPPORT);
329} 343}
@@ -332,5 +346,48 @@ void
332print_usage (void) 346print_usage (void)
333{ 347{
334 printf ("%s\n", _("Usage:")); 348 printf ("%s\n", _("Usage:"));
335 printf ("%s [-r] -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15\n", progname); 349 printf ("%s [-r] -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15 [-n NUMBER_OF_PROCS]\n", progname);
350}
351
352#ifdef PS_USES_PROCPCPU
353int cmpstringp(const void *p1, const void *p2) {
354 int procuid = 0;
355 int procpid = 0;
356 int procppid = 0;
357 int procvsz = 0;
358 int procrss = 0;
359 float procpcpu = 0;
360 char procstat[8];
361#ifdef PS_USES_PROCETIME
362 char procetime[MAX_INPUT_BUFFER];
363#endif /* PS_USES_PROCETIME */
364 char procprog[MAX_INPUT_BUFFER];
365 int pos;
366 sscanf (* (char * const *) p1, PS_FORMAT, PS_VARLIST);
367 float procpcpu1 = procpcpu;
368 sscanf (* (char * const *) p2, PS_FORMAT, PS_VARLIST);
369 return procpcpu1 < procpcpu;
370}
371#endif /* PS_USES_PROCPCPU */
372
373static int print_top_consuming_processes() {
374 int i = 0;
375 struct output chld_out, chld_err;
376 if(np_runcmd(PS_COMMAND, &chld_out, &chld_err, 0) != 0){
377 fprintf(stderr, _("'%s' exited with non-zero status.\n"), PS_COMMAND);
378 return STATE_UNKNOWN;
379 }
380 if (chld_out.lines < 2) {
381 fprintf(stderr, _("some error occurred getting procs list.\n"));
382 return STATE_UNKNOWN;
383 }
384#ifdef PS_USES_PROCPCPU
385 qsort(chld_out.line + 1, chld_out.lines - 1, sizeof(char*), cmpstringp);
386#endif /* PS_USES_PROCPCPU */
387 int lines_to_show = chld_out.lines < (n_procs_to_show + 1)
388 ? chld_out.lines : n_procs_to_show + 1;
389 for (i = 0; i < lines_to_show; i += 1) {
390 printf("%s\n", chld_out.line[i]);
391 }
392 return OK;
336} 393}