swap plugin: Add descriptions to metric families.

diff --git a/src/swap.c b/src/swap.c
index c621c23dbe9a12bf2224d0e9160e47cadd312b83..1ac069204420f1461e3baa2a94d9e265f54d1d54 100644 (file)
--- a/src/swap.c
+++ b/src/swap.c
@@ -806,11 +806,13 @@ static int swap_read(void) {
       [FAM_SWAP_USAGE] =
           {
               .name = "system.paging.usage",
+              .help = "Unix swap usage",
               .type = METRIC_TYPE_GAUGE,
           },
       [FAM_SWAP_UTILIZATION] =
           {
               .name = "system.paging.utilization",
+              .help = "Unix swap utilization",
               .type = METRIC_TYPE_GAUGE,
           },
       [FAM_SWAP_OPS] =