collectd-nagios: Added "percentage" to the help output.

diff --git a/src/collectd-nagios.c b/src/collectd-nagios.c
index 15252b1..4e4e494 100644 (file)
--- a/src/collectd-nagios.c
+++ b/src/collectd-nagios.c
@@ -273,7 +273,7 @@ static void usage (const char *name)
                        "  -d <ds>        Select the DS to examine. May be repeated to examine multiple\n"
                        "                 DSes. By default all DSes are used.\n"
                        "  -g <consol>    Method to use to consolidate several DSes.\n"
-                       "                 Valid arguments are `none', `average' and `sum'\n"
+                       "                 See below for a list of valid arguments.\n"
                        "  -H <host>      Hostname to query the values for.\n"
                        "  -c <range>     Critical range\n"
                        "  -w <range>     Warning range\n"
@@ -284,6 +284,8 @@ static void usage (const char *name)
                        "  average:       Calculate the average of all matching DSes and apply the\n"
                        "                 warning- and critical-ranges to the calculated average.\n"
                        "  sum:           Apply the ranges to the sum of all DSes.\n"
+                       "  percentage:    Apply the ranges to the ratio (in percent) of the first value\n"
+                       "                 and the sum of all values."
                        "\n", name);
        exit (1);
 } /* void usage */