/*
This file is part of mjprof.
mjprof is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
mjprof is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with mjprof. If not, see <http://www.gnu.org/licenses/>.
*/
package com.performizeit.mjprof.plugins.mappers;
import java.util.ArrayList;
import com.performizeit.mjprof.api.Param;
import com.performizeit.mjprof.api.Plugin;
import com.performizeit.mjprof.model.Profile;
import com.performizeit.mjprof.model.ProfileNodeFilter;
import com.performizeit.mjprof.model.SFNode;
import com.performizeit.mjprof.model.ThreadInfoAggregator;
import com.performizeit.mjprof.parser.ThreadDump;
import com.performizeit.mjprof.parser.ThreadInfo;
import com.performizeit.mjprof.plugin.types.DumpReducer;
import com.performizeit.plumbing.PipeHandler;
@Plugin(name = "mergedCallees", params = {@Param(type = String.class, value = "methodName", optional = true, defaultValue = "")}, description = "merged callees for a particular method, i.e. all call traces started from this method.")
public class MergedCallees implements DumpReducer, PipeHandler<ThreadDump, ThreadDump> {
private static final String STACK = "stack";
private final String methodName;
public MergedCallees(String methodName) {
this.methodName = methodName;
}
public ThreadDump map(final ThreadDump jsd) {
ArrayList<String> a = new ArrayList<>();
a.add(methodName);
ThreadInfoAggregator aggr = new ThreadInfoAggregator(a);
for (ThreadInfo mss : jsd.getStacks()) {
Profile p = (Profile) mss.getVal(STACK);
// p.filterUp(new ProfileNodeFilter() {
// @Override
// public boolean accept(SFNode node, int level,Object context) {
// return node.contains(methodName);
// }
// },null) ;
//
p.filterDown((node, level, context) -> node.getStackFrame().contains(methodName), null);
mss.setVal(STACK, p);
aggr.accumulateThreadInfo(mss);
}
ThreadDump jsd2 = new ThreadDump();
jsd2.setHeader(jsd.getHeader());
jsd2.setStacks(aggr.getAggrInfos());
jsd2.setJNIglobalReferences(jsd.getJNIglobalReferences());
return jsd2;
}
@Override
public ThreadDump handleMsg(ThreadDump msg) {
return map(msg);
}
@Override
public ThreadDump handleDone() {
return null;
}
}