int
main (int argc, char **argv)
{
bool vmem_perfdata = false;
int c, status, err;
int shift = k_shift;
char *critical = NULL, *warning = NULL;
char *units = NULL;
char *status_msg;
char *perfdata_swap_msg, *perfdata_vmem_msg = NULL;
float percent_used = 0;
thresholds *my_threshold = NULL;
struct proc_sysmem *sysmem = NULL;
unsigned long kb_swap_cached;
unsigned long kb_swap_free;
unsigned long kb_swap_total;
unsigned long kb_swap_used;
struct proc_vmem *vmem = NULL;
unsigned long dpswpin, dpswpout;
unsigned long kb_swap_pageins[2];
unsigned long kb_swap_pageouts[2];
set_program_name (argv[0]);
while ((c = getopt_long (argc, argv, "sc:w:bkmg" GETOPT_HELP_VERSION_STRING,
longopts, NULL)) != -1)
{
switch (c)
{
default:
usage (stderr);
case 's':
vmem_perfdata = true;
break;
case 'c':
critical = optarg;
break;
case 'w':
warning = optarg;
break;
case 'b': shift = b_shift; units = xstrdup ("B"); break;
case 'k': shift = k_shift; units = xstrdup ("kB"); break;
case 'm': shift = m_shift; units = xstrdup ("MB"); break;
case 'g': shift = g_shift; units = xstrdup ("GB"); break;
case_GETOPT_HELP_CHAR
case_GETOPT_VERSION_CHAR
}
}
status = set_thresholds (&my_threshold, warning, critical);
if (status == NP_RANGE_UNPARSEABLE)
usage (stderr);
/* output in kilobytes by default */
if (units == NULL)
units = xstrdup ("kB");
err = proc_sysmem_new (&sysmem);
if (err < 0)
plugin_error (STATE_UNKNOWN, err, "memory exhausted");
proc_sysmem_read (sysmem);
kb_swap_cached = proc_sysmem_get_swap_cached (sysmem);
kb_swap_free = proc_sysmem_get_swap_free (sysmem);
kb_swap_total = proc_sysmem_get_swap_total (sysmem);
kb_swap_used = proc_sysmem_get_swap_used (sysmem);
if (vmem_perfdata)
{
err = proc_vmem_new (&vmem);
if (err < 0)
plugin_error (STATE_UNKNOWN, err, "memory exhausted");
proc_vmem_read (vmem);
kb_swap_pageins[0] = proc_vmem_get_pswpin (vmem);
kb_swap_pageouts[0] = proc_vmem_get_pswpout (vmem);
sleep (1);
proc_vmem_read (vmem);
kb_swap_pageins[1] = proc_vmem_get_pswpin (vmem);
kb_swap_pageouts[1] = proc_vmem_get_pswpout (vmem);
dpswpin = kb_swap_pageins[1] - kb_swap_pageins[0];
dpswpout = kb_swap_pageouts[1] - kb_swap_pageouts[0];
perfdata_vmem_msg =
xasprintf (" swap_pageins/s=%lu swap_pageouts/s=%lu",
dpswpin, dpswpout);
}
if (kb_swap_total != 0)
percent_used = (kb_swap_used * 100.0 / kb_swap_total);
status = get_status (percent_used, my_threshold);
free (my_threshold);
status_msg = xasprintf ("%s: %.2f%% (%Lu %s) used", state_text (status),
percent_used, SU (kb_swap_used));
perfdata_swap_msg =
xasprintf ("swap_total=%Lu%s swap_used=%Lu%s swap_free=%Lu%s "
/* The amount of swap, in kB, used as cache memory */
"swap_cached=%Lu%s", SU (kb_swap_total), SU (kb_swap_used),
SU (kb_swap_free), SU (kb_swap_cached));
printf ("%s %s | %s%s\n", "SWAP", status_msg, perfdata_swap_msg,
vmem_perfdata ? perfdata_vmem_msg : "");
proc_vmem_unref (vmem);
proc_sysmem_unref (sysmem);
return status;
}
int
main (int argc, char **argv)
{
bool vmem_perfdata = false;
int c, status, err;
int shift = k_shift;
char *critical = NULL, *warning = NULL;
char *units = NULL;
char *status_msg, *perfdata_mem_msg,
*perfdata_vmem_msg = "", *perfdata_memavailable_msg = "";
float mem_percent = 0;
thresholds *my_threshold = NULL;
struct proc_sysmem *sysmem = NULL;
unsigned long kb_mem_main_available;
unsigned long kb_mem_main_buffers;
unsigned long kb_mem_main_cached;
unsigned long kb_mem_main_free;
unsigned long kb_mem_main_shared;
unsigned long kb_mem_main_total;
unsigned long kb_mem_main_used;
unsigned long kb_mem_active;
unsigned long kb_mem_anon_pages;
unsigned long kb_mem_committed_as;
unsigned long kb_mem_dirty;
unsigned long kb_mem_inactive;
struct proc_vmem *vmem = NULL;
unsigned long dpgpgin, dpgpgout, dpgmajfault;
unsigned long nr_vmem_pgpgin[2];
unsigned long nr_vmem_pgpgout[2];
unsigned long nr_vmem_pgmajfault[2];
/* by default we display the memory used */
unsigned long *kb_mem_monitored = &kb_mem_main_used;
set_program_name (argv[0]);
while ((c = getopt_long (argc, argv,
"aMSCsc:w:bkmg" GETOPT_HELP_VERSION_STRING,
longopts, NULL)) != -1)
{
switch (c)
{
default:
usage (stderr);
case 'a':
kb_mem_monitored = &kb_mem_main_available;
break;
case 'C':
/* does nothing, exists for compatibility */
break;
case 's':
vmem_perfdata = true;
break;
case 'c':
critical = optarg;
break;
case 'w':
warning = optarg;
break;
case 'b': shift = b_shift; units = xstrdup ("B"); break;
case 'k': shift = k_shift; units = xstrdup ("kB"); break;
case 'm': shift = m_shift; units = xstrdup ("MB"); break;
case 'g': shift = g_shift; units = xstrdup ("GB"); break;
case_GETOPT_HELP_CHAR
case_GETOPT_VERSION_CHAR
}
}
status = set_thresholds (&my_threshold, warning, critical);
if (status == NP_RANGE_UNPARSEABLE)
usage (stderr);
/* output in kilobytes by default */
if (units == NULL)
units = xstrdup ("kB");
err = proc_sysmem_new (&sysmem);
if (err < 0)
plugin_error (STATE_UNKNOWN, err, "memory exhausted");
proc_sysmem_read (sysmem);
kb_mem_active = proc_sysmem_get_active (sysmem);
kb_mem_anon_pages = proc_sysmem_get_anon_pages (sysmem);
kb_mem_committed_as = proc_sysmem_get_committed_as (sysmem);
kb_mem_dirty = proc_sysmem_get_dirty (sysmem);
kb_mem_inactive = proc_sysmem_get_inactive (sysmem);
kb_mem_main_available = proc_sysmem_get_main_available (sysmem);
kb_mem_main_buffers = proc_sysmem_get_main_buffers (sysmem);
kb_mem_main_cached = proc_sysmem_get_main_cached (sysmem);
kb_mem_main_free = proc_sysmem_get_main_free (sysmem);
kb_mem_main_shared = proc_sysmem_get_main_shared (sysmem);
kb_mem_main_total = proc_sysmem_get_main_total (sysmem);
kb_mem_main_used = proc_sysmem_get_main_used (sysmem);
if (vmem_perfdata)
{
err = proc_vmem_new (&vmem);
if (err < 0)
plugin_error (STATE_UNKNOWN, err, "memory exhausted");
proc_vmem_read (vmem);
nr_vmem_pgpgin[0] = proc_vmem_get_pgpgin (vmem);
nr_vmem_pgpgout[0] = proc_vmem_get_pgpgout (vmem);
nr_vmem_pgmajfault[0] = proc_vmem_get_pgmajfault (vmem);
sleep (1);
proc_vmem_read (vmem);
nr_vmem_pgpgin[1] = proc_vmem_get_pgpgin (vmem);
nr_vmem_pgpgout[1] = proc_vmem_get_pgpgout (vmem);
nr_vmem_pgmajfault[1] = proc_vmem_get_pgmajfault (vmem);
dpgpgin = nr_vmem_pgpgin[1] - nr_vmem_pgpgin[0];
dpgpgout = nr_vmem_pgpgout[1] - nr_vmem_pgpgout[0];
dpgmajfault = nr_vmem_pgmajfault[1] - nr_vmem_pgmajfault[0];
perfdata_vmem_msg =
xasprintf (", vmem_pageins/s=%lu, vmem_pageouts/s=%lu, "
"vmem_pgmajfault/s=%lu", dpgpgin, dpgpgout, dpgmajfault);
}
/* Note: we should perhaps implement the following tests instead:
* 1. The Main Memory Test
* (MemFree + Buffers + Cached) / MemTotal < threshold
* 2. The Page Fault Test
* Major pagefaults > threshold
*
* See. http://doc.qt.digia.com/qtextended4.4/syscust-oom.html */
if (kb_mem_main_total != 0)
mem_percent = ((*kb_mem_monitored) * 100.0 / kb_mem_main_total);
status = get_status (mem_percent, my_threshold);
perfdata_memavailable_msg =
xasprintf ("mem_available=%Lu%s ", SU (kb_mem_main_available));
status_msg =
xasprintf ("%s: %.2f%% (%Lu %s) %s",
state_text (status), mem_percent, SU (*kb_mem_monitored),
(kb_mem_monitored == &kb_mem_main_available) ?
"available" : "used");
free (my_threshold);
perfdata_mem_msg =
xasprintf ("mem_total=%Lu%s mem_used=%Lu%s mem_free=%Lu%s "
"mem_shared=%Lu%s mem_buffers=%Lu%s mem_cached=%Lu%s %s"
"mem_active=%Lu%s mem_anonpages=%Lu%s mem_committed=%Lu%s "
"mem_dirty=%Lu%s mem_inactive=%Lu%s"
, SU (kb_mem_main_total)
, SU (kb_mem_main_used)
, SU (kb_mem_main_free)
, SU (kb_mem_main_shared)
, SU (kb_mem_main_buffers)
, SU (kb_mem_main_cached)
, perfdata_memavailable_msg
, SU (kb_mem_active)
, SU (kb_mem_anon_pages)
, SU (kb_mem_committed_as)
, SU (kb_mem_dirty)
, SU (kb_mem_inactive));
printf ("%s %s | %s%s\n", program_name_short, status_msg,
perfdata_mem_msg, perfdata_vmem_msg);
proc_sysmem_unref (sysmem);
proc_vmem_unref (vmem);
return status;
}