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Adding print top consuming processes option to check_load

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-W, --print-top-warning
    Print top consuming processes on WARNING status
 -C, --print-top-critical
    Print top consuming processes on CRITICAL status
 -n, --procs-to-show=NUMBER_OF_PROCS
    Number of processes to show when printing top consuming
    processes. Not useful without -W or -C. Default value is 5
This commit is contained in:
Marc Sánchez 2017-09-07 13:31:01 +02:00
parent 9661ee7488
commit 1410ffff28
1 changed files with 48 additions and 2 deletions
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50
plugins/check_load.c
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@ -33,6 +33,7 @@ const char *copyright = "1999-2007";
const char *email = "devel@monitoring-plugins.org";
#include "common.h"
#include "runcmd.h"
#include "utils.h"
#include "popen.h"
@ -52,6 +53,11 @@ static int process_arguments (int argc, char **argv);
static int validate_arguments (void);
void print_help (void);
void print_usage (void);
static int print_top_consuming_processes();
static int n_procs_to_show = 5;
static int print_top_procs_on_warning = 0;
static int print_top_procs_on_critical = 0;
/* strictly for pretty-print usage in loops */
static const int nums[3] = { 1, 5, 15 };
@ -210,6 +216,11 @@ main (int argc, char **argv)
printf("load%d=%.3f;%.3f;%.3f;0; ", nums[i], la[i], wload[i], cload[i]);
putchar('\n');
if (result == STATE_CRITICAL && print_top_procs_on_critical) {
print_top_consuming_processes();
} else if (result == STATE_WARNING && print_top_procs_on_warning) {
print_top_consuming_processes();
}
return result;
}
@ -227,6 +238,9 @@ process_arguments (int argc, char **argv)
{"percpu", no_argument, 0, 'r'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
{"print-top-warning", no_argument, 0, 'W'},
{"print-top-critical", no_argument, 0, 'C'},
{"procs-to-show", required_argument, 0, 'n'},
{0, 0, 0, 0}
};
@ -234,7 +248,7 @@ process_arguments (int argc, char **argv)
return ERROR;
while (1) {
c = getopt_long (argc, argv, "Vhrc:w:", longopts, &option);
c = getopt_long (argc, argv, "Vhrc:w:WCn:", longopts, &option);
if (c == -1 || c == EOF)
break;
@ -255,6 +269,15 @@ process_arguments (int argc, char **argv)
case 'h': /* help */
print_help ();
exit (STATE_UNKNOWN);
case 'n':
n_procs_to_show = atoi(optarg);
break;
case 'W':
print_top_procs_on_warning = 1;
break;
case 'C':
print_top_procs_on_critical = 1;
break;
case '?': /* help */
usage5 ();
}
@ -324,6 +347,13 @@ print_help (void)
printf (" %s\n", _("the load average format is the same used by \"uptime\" and \"w\""));
printf (" %s\n", "-r, --percpu");
printf (" %s\n", _("Divide the load averages by the number of CPUs (when possible)"));
printf (" %s\n", "-W, --print-top-warning");
printf (" %s\n", _("Print top consuming processes on WARNING status"));
printf (" %s\n", "-C, --print-top-critical");
printf (" %s\n", _("Print top consuming processes on CRITICAL status"));
printf (" %s\n", "-n, --procs-to-show=NUMBER_OF_PROCS");
printf (" %s\n", _("Number of processes to show when printing top consuming"));
printf (" %s\n", _("processes. Not useful without -W or -C. Default value is 5"));
printf (UT_SUPPORT);
}
@ -332,5 +362,21 @@ void
print_usage (void)
{
printf ("%s\n", _("Usage:"));
printf ("%s [-r] -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15\n", progname);
printf ("%s [-r] -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15 [-W] [-C] [-n NUMBER_OF_PROCS]\n", progname);
}
static int print_top_consuming_processes() {
int i = 0;
struct output chld_out, chld_err;
char *cmdline = "/bin/ps -aux --sort=-pcpu";
if(np_runcmd(cmdline, &chld_out, &chld_err, 0) != 0){
fprintf(stderr, _("'%s' exited with non-zero status.\n"), cmdline);
return STATE_UNKNOWN;
}
int lines_to_show = chld_out.lines < (n_procs_to_show + 1)
? chld_out.lines : n_procs_to_show + 1;
for (i = 0; i < lines_to_show; i += 1) {
printf("%s\n", chld_out.line[i]);
}
return OK;
}