| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| #ifndef KUDU_CONSENSUS_LOG_METRICS_H |
| #define KUDU_CONSENSUS_LOG_METRICS_H |
| |
| #include "kudu/gutil/macros.h" |
| #include "kudu/gutil/ref_counted.h" |
| #include "kudu/util/monotime.h" |
| |
| namespace kudu { |
| |
| class Counter; |
| class Histogram; |
| class MetricEntity; |
| |
| namespace log { |
| |
| struct LogMetrics { |
| explicit LogMetrics(const scoped_refptr<MetricEntity>& metric_entity); |
| |
| // Global stats |
| scoped_refptr<Counter> bytes_logged; |
| |
| // Per-group group commit stats |
| scoped_refptr<Histogram> sync_latency; |
| scoped_refptr<Histogram> append_latency; |
| scoped_refptr<Histogram> group_commit_latency; |
| scoped_refptr<Histogram> roll_latency; |
| scoped_refptr<Histogram> entry_batches_per_group; |
| }; |
| |
| // TODO extract and generalize this for all histogram metrics |
| #define SCOPED_LATENCY_METRIC(_mtx, _h) \ |
| ScopedLatencyMetric _h##_metric(_mtx ? _mtx->_h.get() : NULL) |
| |
| } // namespace log |
| } // namespace kudu |
| |
| #endif // KUDU_CONSENSUS_LOG_METRICS_H |