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code/controllers/subsystem.dm

@@ -2,6 +2,8 @@
 /datum/controller/subsystem
 	// Metadata; you should define these.
 	name = "fire codertrain" //name of the subsystem
+	/// Subsystem ID. Used for when we need a technical name for the SS
+	var/ss_id = "fire_codertrain_again"
 	var/init_order = INIT_ORDER_DEFAULT		//order of initialization. Higher numbers are initialized first, lower numbers later. Use defines in __DEFINES/subsystems.dm for easy understanding of order.
 	var/wait = 20			//time to wait (in deciseconds) between each call to fire(). Must be a positive integer.
 	var/priority = FIRE_PRIORITY_DEFAULT	//When mutiple subsystems need to run in the same tick, higher priority subsystems will run first and be given a higher share of the tick before MC_TICK_CHECK triggers a sleep
@@ -227,3 +229,14 @@
 		if("queued_priority") //editing this breaks things.
 			return 0
 	. = ..()
+
+// Returns the metrics for the subsystem.
+// This can be overriden on subtypes for variables that could affect tick usage
+// Example: ATs on SSair
+/datum/controller/subsystem/proc/get_metrics()
+	SHOULD_CALL_PARENT(TRUE)
+	var/list/out = list()
+	out["cost"] = cost
+	out["tick_usage"] = tick_usage
+	out["custom"] = list() // Override as needed on child
+	return out