1 files changed, 8 insertions, 4 deletions

diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index d387104..b16428f 100644
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
@@ -415,7 +415,7 @@ main (int argc, char **argv)
                                         duration = current_time-previous_state->time;
                                         if(duration<=0)
                                                 die(STATE_UNKNOWN,_("Time duration between plugin calls is invalid"));
-                                        temp_double = (response_value[i]-previous_value[i])/duration;
+                                        temp_double = response_value[i]-previous_value[i];
                                         /* Simple overflow catcher (same as in rrdtool, rrd_update.c) */
                                         if(is_counter) {
                                                 if(temp_double<(double)0.0)
@@ -423,6 +423,8 @@ main (int argc, char **argv)
                                                 if(temp_double<(double)0.0)
                                                         temp_double+=(double)18446744069414584320.0; /* 2^64-2^32 */;
                                         }
+                                        /* Convert to per second, then use multiplier */
+                                        temp_double = temp_double/(duration*rate_multiplier);
                                         iresult = get_status(temp_double, thlds[i]);
                                         asprintf (&show, conv, temp_double);
                                 }
@@ -1042,6 +1044,8 @@ print_help (void)
         printf ("    %s\n", _("Critical threshold range(s)"));
         printf (" %s\n", "--rate");
         printf ("    %s\n", _("Enable rate calculation. See 'Rate Calculation' below"));
+        printf (" %s\n", "--rate-multiplier");
+        printf ("    %s\n", _("Converts rate per second. For example, set to 60 to convert to per minute"));
 
         /* Tests Against Strings */
         printf (" %s\n", "-s, --string=STRING");
@@ -1088,9 +1092,9 @@ print_help (void)
         printf("%s\n", _("Rate Calculation:"));
         printf(" %s\n", _("In many places, SNMP returns counters that are only meaningful when"));
         printf(" %s\n", _("calculating the counter difference since the last check. check_snmp"));
-        printf(" %s\n", _("saves the last state information in a file so that the rate can be"));
-        printf(" %s\n", _("calculated. Use the --rate option to save state information. On the"));
-        printf(" %s\n", _("first run, there will be no prior state - this will return with OK."));
+        printf(" %s\n", _("saves the last state information in a file so that the rate per second"));
+        printf(" %s\n", _("can be calculated. Use the --rate option to save state information."));
+        printf(" %s\n", _("On the first run, there will be no prior state - this will return with OK."));
         printf(" %s\n", _("The state is uniquely determined by the arguments to the plugin, so"));
         printf(" %s\n", _("changing the arguments will create a new state file."));