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diff --git a/src/mongo/db/stats/resource_consumption_metrics.cpp b/src/mongo/db/stats/resource_consumption_metrics.cpp
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+++ b/src/mongo/db/stats/resource_consumption_metrics.cpp
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+/**
+ *    Copyright (C) 2020-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#include "mongo/db/stats/resource_consumption_metrics.h"
+
+namespace mongo {
+namespace {
+const OperationContext::Decoration<ResourceConsumption::Metrics> getOperationMetrics =
+    OperationContext::declareDecoration<ResourceConsumption::Metrics>();
+const ServiceContext::Decoration<ResourceConsumption> getGlobalResourceConsumption =
+    ServiceContext::declareDecoration<ResourceConsumption>();
+}  // namespace
+
+
+ResourceConsumption::Metrics& ResourceConsumption::Metrics::get(OperationContext* opCtx) {
+    return getOperationMetrics(opCtx);
+}
+
+ResourceConsumption& ResourceConsumption::get(ServiceContext* svcCtx) {
+    return getGlobalResourceConsumption(svcCtx);
+}
+
+ResourceConsumption& ResourceConsumption::get(OperationContext* opCtx) {
+    return getGlobalResourceConsumption(opCtx->getServiceContext());
+}
+
+void ResourceConsumption::add(const Metrics& metrics) {
+    invariant(!metrics.getDbName().empty());
+    stdx::unique_lock<Mutex> lk(_mutex);
+    _metrics[metrics.getDbName()] += metrics;
+}
+
+ResourceConsumption::MetricsMap ResourceConsumption::getMetrics() const {
+    stdx::unique_lock<Mutex> lk(_mutex);
+    return _metrics;
+}
+
+}  // namespace mongo