Add skip_filesystem configuration

collectors.json

@@ -1,4 +1,12 @@
 {
+    "cpufreq": {},
+    "cpufreq_cpuinfo": {},
+    "gpfs": {
+        "exclude_filesystem": [ "test_fs" ]
+    },
+    "loadavg": {
+        "exclude_metrics": [ "proc_total" ]
+    }
     "tempstat": {
       "tag_override": {
         "hwmon0" : {
@@ -10,6 +18,4 @@
             "type-id" : "1"
         }
       }
-    }
-    
 }