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(chore) commandline option for printing current memory stats for debugging

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This commit is contained in:
Andreas Penski (init) 2019-02-07 12:09:44 +01:00
parent 7992024451
commit 15414b26f6
2 changed files with 61 additions and 1 deletions
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14
src/main/java/de/kosit/validationtool/cmd/CommandLineApplication.java
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@ -31,7 +31,13 @@ import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.cli.*;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.lang3.StringUtils;
import lombok.extern.slf4j.Slf4j;
@ -72,6 +78,8 @@ public class CommandLineApplication {
private static final Option CHECK_ASSERTIONS = Option.builder("c").longOpt("check-assertions").hasArg()
.desc("Check the result using defined assertions").argName("assertions-file").build();
private static final Option PRINT_MEM_STATS = Option.builder("m").longOpt("memory-stats").desc("Prints some memory stats").build();
private CommandLineApplication() {
// main class -> hide constructor
}
@ -146,6 +154,9 @@ public class CommandLineApplication {
Assertions assertions = loadAssertions(cmd.getOptionValue(CHECK_ASSERTIONS.getOpt()));
check.getCheckSteps().add(new CheckAssertionAction(assertions, ObjectFactory.createProcessor()));
}
if (cmd.hasOption(PRINT_MEM_STATS.getOpt())) {
check.getCheckSteps().add(new PrintMemoryStats());
}
log.info("Setup completed in {}ms\n", System.currentTimeMillis() - start);
@ -285,6 +296,7 @@ public class CommandLineApplication {
options.addOption(EXTRACT_HTML);
options.addOption(DEBUG);
options.addOption(CHECK_ASSERTIONS);
options.addOption(PRINT_MEM_STATS);
return options;
}
}

48
src/main/java/de/kosit/validationtool/cmd/PrintMemoryStats.java Normal file
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@ -0,0 +1,48 @@
/*
* Licensed to the Koordinierungsstelle für IT-Standards (KoSIT) under
* one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. KoSIT 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 de.kosit.validationtool.cmd;
import java.text.NumberFormat;
import lombok.extern.slf4j.Slf4j;
/**
* @author Andreas Penski
*/
@Slf4j
public class PrintMemoryStats implements de.kosit.validationtool.impl.tasks.CheckAction {
@Override
public void check(final Bag results) {
Runtime.getRuntime().gc();
final Runtime runtime = Runtime.getRuntime();
StringBuilder sb = new StringBuilder();
long maxMemory = runtime.maxMemory();
long allocatedMemory = runtime.totalMemory();
long freeMemory = runtime.freeMemory();
NumberFormat format = NumberFormat.getInstance();
sb.append("free memory: " + format.format(freeMemory / 1024));
sb.append("MB allocated memory: " + format.format(allocatedMemory / 1024));
sb.append("MB max memory: " + format.format(maxMemory / 1024));
sb.append("MB total free memory: " + format.format((freeMemory + (maxMemory - allocatedMemory)) / 1024) + "MB");
log.info("{}", sb.toString());
}
}