| /* |
| * 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. |
| */ |
| package org.apache.giraph.block_app.framework.internal; |
| |
| import java.lang.reflect.Field; |
| |
| import org.apache.giraph.block_app.framework.api.Counter; |
| import org.apache.giraph.block_app.framework.api.StatusReporter; |
| import org.apache.giraph.block_app.framework.internal.BlockMasterLogic.TimeStatsPerEvent; |
| |
| import org.apache.giraph.counters.CustomCounter; |
| import org.apache.giraph.counters.CustomCounters; |
| import org.apache.hadoop.mapreduce.Mapper; |
| |
| /** Utility class for Blocks Framework related counters */ |
| public class BlockCounters { |
| public static final String GROUP = "Blocks Framework"; |
| |
| private BlockCounters() { } |
| |
| /** |
| * Takes all fields from stage object, and puts them into counters, |
| * if possible. |
| * Only fields that are convertible to long via widening are set |
| * (i.e. long/int/short/byte) |
| */ |
| public static void setStageCounters( |
| String prefix, Object stage, StatusReporter reporter) { |
| if (stage != null && reporter != null) { |
| Class<?> clazz = stage.getClass(); |
| |
| while (clazz != null) { |
| Field[] fields = clazz.getDeclaredFields(); |
| |
| Field.setAccessible(fields, true); |
| for (Field field : fields) { |
| try { |
| long value = field.getLong(stage); |
| String counterName = prefix + field.getName(); |
| CustomCounters.addCustomCounter(GROUP, counterName, |
| CustomCounter.Aggregation.SUM); |
| reporter.getCounter( |
| GROUP, prefix + field.getName()).setValue(value); |
| |
| // CHECKSTYLE: stop EmptyBlock - ignore any exceptions |
| } catch (IllegalArgumentException | IllegalAccessException e) { |
| } |
| // CHECKSTYLE: resume EmptyBlock |
| } |
| clazz = clazz.getSuperclass(); |
| } |
| } |
| } |
| |
| public static void setMasterTimeCounter( |
| PairedPieceAndStage<?> masterPiece, long superstep, |
| long millis, StatusReporter reporter, |
| TimeStatsPerEvent timeStats) { |
| String name = masterPiece.getPiece().toString(); |
| String groupName = GROUP + " Master Timers"; |
| String counterName = String.format( |
| "In %6.1f %s (s)", superstep - 0.5, name); |
| CustomCounters.addCustomCounter(groupName, counterName, |
| CustomCounter.Aggregation.SUM); |
| reporter.getCounter(groupName, counterName).setValue(millis / 1000); |
| timeStats.inc(name, millis); |
| } |
| |
| public static void setWorkerTimeCounter( |
| BlockWorkerPieces<?> workerPieces, long superstep, |
| long millis, StatusReporter reporter, |
| TimeStatsPerEvent timeStats) { |
| String name = workerPieces.toStringShort(); |
| String groupName = GROUP + " Worker Timers"; |
| String counterName = String.format("In %6d %s (s)", superstep, name); |
| CustomCounters.addCustomCounter(groupName, counterName, |
| CustomCounter.Aggregation.SUM); |
| reporter.getCounter(groupName, counterName).setValue(millis / 1000); |
| timeStats.inc(name, millis); |
| } |
| |
| public static Counter getCounter( |
| Mapper.Context context, String group, String name) { |
| final org.apache.hadoop.mapreduce.Counter counter = |
| context.getCounter(group, name); |
| return new Counter() { |
| @Override |
| public void increment(long incr) { |
| counter.increment(incr); |
| } |
| |
| @Override |
| public void setValue(long value) { |
| counter.setValue(value); |
| } |
| }; |
| } |
| |
| public static Counter getNoOpCounter() { |
| return new Counter() { |
| @Override |
| public void setValue(long value) { } |
| |
| @Override |
| public void increment(long incr) { } |
| }; |
| } |
| } |