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From franz1981 <>
Subject [GitHub] activemq-artemis pull request #1295: ARTEMIS-1185 Inter-Process Journal Samp...
Date Tue, 30 May 2017 07:11:37 GMT
Github user franz1981 commented on a diff in the pull request:
    --- Diff: artemis-cli/src/main/java/org/apache/activemq/artemis/cli/commands/tools/journal/
    @@ -0,0 +1,288 @@
    + * 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
    + *
    + *
    + *
    + * 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.
    + */
    +import java.util.Arrays;
    +import java.util.Comparator;
    +import java.util.concurrent.TimeUnit;
    +import java.util.concurrent.atomic.AtomicLong;
    +import java.util.concurrent.locks.LockSupport;
    +import io.airlift.airline.Command;
    +import io.airlift.airline.Option;
    +import org.apache.activemq.artemis.cli.commands.ActionContext;
    +import org.apache.activemq.artemis.cli.commands.Configurable;
    +import org.apache.activemq.artemis.core.config.impl.FileConfiguration;
    +import org.apache.activemq.artemis.utils.collections.MulticastSample;
    +@Command(name = "stat", description = "Provide performance statistics around the journal
    --- End diff --
    It is a weird name...Do you have something in mind?
    It is a journal sampling profiler and the ideas on how it works are taken from:
    But in the future I'm planning to provide a single CLI command that could collect perf
data using a filter of some kind or different CLI commands for macro profiling areas
is something I want to discuss on the dev list...

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