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Log detailed timing of block creation steps (hyperledger#6880)
Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>
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66 changes: 66 additions & 0 deletions
66
...eation/src/main/java/org/hyperledger/besu/ethereum/blockcreation/BlockCreationTiming.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * Copyright Hyperledger Besu Contributors. | ||
| * | ||
| * 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. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.hyperledger.besu.ethereum.blockcreation; | ||
|
|
||
| import java.time.Duration; | ||
| import java.time.Instant; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.Map; | ||
|
|
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| import com.google.common.base.Stopwatch; | ||
|
|
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| public class BlockCreationTiming { | ||
| private final Map<String, Duration> timing = new LinkedHashMap<>(); | ||
| private final Stopwatch stopwatch; | ||
| private final Instant startedAt = Instant.now(); | ||
|
|
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| public BlockCreationTiming() { | ||
| this.stopwatch = Stopwatch.createStarted(); | ||
| } | ||
|
|
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| public void register(final String step) { | ||
| timing.put(step, stopwatch.elapsed()); | ||
| } | ||
|
|
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| public void registerAll(final BlockCreationTiming subTiming) { | ||
| final var offset = Duration.between(startedAt, subTiming.startedAt); | ||
| for (final var entry : subTiming.timing.entrySet()) { | ||
| timing.put(entry.getKey(), offset.plus(entry.getValue())); | ||
| } | ||
| } | ||
|
|
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| public Duration end(final String step) { | ||
| final var elapsed = stopwatch.stop().elapsed(); | ||
| timing.put(step, elapsed); | ||
| return elapsed; | ||
| } | ||
|
|
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| @Override | ||
| public String toString() { | ||
| final var sb = new StringBuilder("Started at " + startedAt + ", "); | ||
|
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| var prevDuration = Duration.ZERO; | ||
| for (final var entry : timing.entrySet()) { | ||
| sb.append(entry.getKey()) | ||
| .append("=") | ||
| .append(entry.getValue().minus(prevDuration).toMillis()) | ||
| .append("ms, "); | ||
| prevDuration = entry.getValue(); | ||
| } | ||
| sb.delete(sb.length() - 2, sb.length()); | ||
|
|
||
| return sb.toString(); | ||
| } | ||
| } |
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