| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // Licensed 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. |
| |
| package com.google.gerrit.metrics.proc; |
| |
| import com.google.common.base.Supplier; |
| import com.google.gerrit.metrics.Description; |
| import com.google.gerrit.metrics.Description.Units; |
| import com.google.gerrit.metrics.MetricMaker; |
| |
| import org.eclipse.jgit.internal.storage.file.WindowCacheStatAccessor; |
| |
| public class JGitMetricModule extends MetricModule { |
| @Override |
| protected void configure(MetricMaker metrics) { |
| metrics.newCallbackMetric( |
| "jgit/block_cache/cache_used", |
| Long.class, |
| new Description("Bytes of memory retained in JGit block cache.") |
| .setGauge() |
| .setUnit(Units.BYTES), |
| new Supplier<Long>() { |
| @Override |
| public Long get() { |
| return WindowCacheStatAccessor.getOpenBytes(); |
| } |
| }); |
| |
| metrics.newCallbackMetric( |
| "jgit/block_cache/open_files", |
| Integer.class, |
| new Description("File handles held open by JGit block cache.") |
| .setGauge() |
| .setUnit("fds"), |
| new Supplier<Integer>() { |
| @Override |
| public Integer get() { |
| return WindowCacheStatAccessor.getOpenFiles(); |
| } |
| }); |
| } |
| } |