org.jruby.runtime.profile.FlatProfilePrinter Maven / Gradle / Ivy
/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (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.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the CPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the CPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.runtime.profile;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Map;
import java.util.Map.Entry;
public class FlatProfilePrinter extends AbstractProfilePrinter {
private static final int SERIAL_OFFSET = 0;
private static final int SELFTIME_OFFSET = 1;
private static final int COUNT_OFFSET = 2;
private static final int AGGREGATETIME_OFFSET = 3;
private final Invocation topInvocation;
public FlatProfilePrinter(Invocation top) {
topInvocation = top;
}
public void printProfile(PrintStream out) {
out.printf("Total time: %s\n\n", nanoString(topInvocation.getDuration()));
Map serialsToMethods = methodData(topInvocation);
long[][] tuples = new long[serialsToMethods.size()][];
int j = 0;
for (Entry entry : serialsToMethods.entrySet()) {
MethodData method = entry.getValue();
tuples[j] = new long[]{entry.getKey(), method.selfTime(), method.totalCalls(), method.totalTime()};
j++;
}
Arrays.sort(tuples, new Comparator() {
public int compare(long[] o1, long[] o2) {
long o1Val = o1[AGGREGATETIME_OFFSET];
long o2Val = o2[AGGREGATETIME_OFFSET];
return o2Val > o1Val ? 1 : (o2Val < o1Val ? -1 : 0);
}
});
out.println(" total self children calls method");
out.println("----------------------------------------------------------------");
int lines = 0;
for (long[] tuple : tuples) {
if (tuple[AGGREGATETIME_OFFSET] == 0) {
break; // if we start hitting zeros, bail out
}
int index = (int) tuple[SERIAL_OFFSET];
if (index != 0) {
lines++;
String name = methodName(index);
pad(out, 10, nanoString(tuple[AGGREGATETIME_OFFSET]));
out.print(" ");
pad(out, 10, nanoString(tuple[SELFTIME_OFFSET]));
out.print(" ");
pad(out, 10, nanoString(tuple[AGGREGATETIME_OFFSET] - tuple[SELFTIME_OFFSET]));
out.print(" ");
pad(out, 10, Long.toString(tuple[COUNT_OFFSET]));
out.print(" ");
out.println(name);
}
if (lines == 50) {
break;
}
}
}
}