fix delta

Signed-off-by: Connor1996 <[email protected]>

client/resource_group/controller/controller.go

@@ -1074,7 +1074,7 @@ func (gc *groupCostController) onRequestWait(
 	}
 
 	gc.mu.Lock()
-	// calculate the penalty of the store
+	// Calculate the penalty of the store
 	penalty := &rmpb.Consumption{}
 	if storeCounter, exist := gc.mu.storeCounter[info.StoreID()]; exist {
 		*penalty = *gc.mu.globalCounter
@@ -1115,15 +1115,17 @@ func (gc *groupCostController) onResponse(
 	}
 
 	gc.mu.Lock()
-	// record the consumption of the request
+	// Record the consumption of the request
 	add(gc.mu.consumption, delta)
-	// record the consumption of the request by store
+	// Record the consumption of the request by store
+	count := &rmpb.Consumption{}
+	*count = *delta
 	// As the penalty is only counted when the request is completed, so here needs to calculate the write cost which is added in `BeforeKVRequest`
 	for _, calc := range gc.calculators {
-		calc.BeforeKVRequest(delta, req)
+		calc.BeforeKVRequest(count, req)
 	}
-	add(gc.mu.storeCounter[req.StoreID()], delta)
-	add(gc.mu.globalCounter, delta)
+	add(gc.mu.storeCounter[req.StoreID()], count)
+	add(gc.mu.globalCounter, count)
 	gc.mu.Unlock()
 
 	return delta, nil