https://github.com/jruby/jruby/jruby-core: JRuby is the effort to recreate the Ruby (https://www.ruby-lang.org) interpreter in Java. (JRuby)
  • headius
  • enebo
  • wmeissner
  • BanzaiMan
  • mkristian 
BEGIN LICENSE BLOCK *****
Version: EPL 2.0/GPL 2.0/LGPL 2.1
The contents of this file are subject to the Eclipse Public
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.eclipse.org/legal/epl-v20.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 EPL, 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 EPL, the GPL or the LGPL.
END LICENSE BLOCK 
/***** BEGIN LICENSE BLOCK *****
 * Version: EPL 2.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Eclipse Public
 * 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.eclipse.org/legal/epl-v20.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 EPL, 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 EPL, the GPL or the LGPL.
 ***** END LICENSE BLOCK *****/

package org.jruby.runtime.profile.builtin;

import org.jruby.util.collections.IntHashMap;

import java.io.PrintStream;
import java.util.Arrays;
import java.util.Comparator;

public class HtmlProfilePrinter extends ProfilePrinter {
  private static final long LIMIT = 100000000;
    
  public HtmlProfilePrinter(ProfileData profileData) {
      super(profileData);
  }
    
  HtmlProfilePrinter(ProfileData profileData, Invocation topInvocation) {
      super(profileData, topInvocation);
  }

  public void printHeader(PrintStream out) {
    out.println(head);
    out.println("<body>");
  }

  public void printFooter(PrintStream out) {
    out.println("</body>");
    out.println("</html>");
  }

  @Override
  public void printProfile(PrintStream out, boolean first) {
    final Invocation topInvocation = getTopInvocation();
    
    out.printf("<h1>Profile Report: %s</h1>\n", getThreadName());
    out.println("<h3>Total time: " + nanoString(topInvocation.getDuration()) + "</h3>");

    out.println("<table>\n" +
        "  <tr>\n" +
        "    <th> %Total</th>\n" +
        "    <th> %Self</th>\n" +
        "    <th> Total</th>\n" +
        "    <th> Self</th>\n" +
        "    <th> Children</th>\n" +
        "    <th> Calls</th>\n" +
        "    <th>Name</th>\n" +
        "  </tr>");


    IntHashMap<MethodData> methods = methodData(topInvocation);
    MethodData[] sortedMethods = methods.values().toArray(new MethodData[methods.size()]);

    Arrays.sort(sortedMethods, new Comparator<MethodData>() {
      public int compare(MethodData md1, MethodData md2) {
        long time1 = md1.totalTime();
        long time2 = md2.totalTime();
        return time1 == time2 ? 0 : (time1 < time2 ? 1 : -1);
      }
    });

    for (final MethodData data : sortedMethods) {
      if (!isProfilerInvocation(data.invocations.get(0))) {
        out.println("<tr class='break'><td colspan='7'></td></tr>");
        int serial = data.serialNumber;

        if (serial != 0) {
          Integer[] parentSerials = parentSerials(data);

          if (parentSerials.length > 0) {
            for (int parentSerial : parentSerials) {
              printInvocationFromParent(out, data, parentSerial, methodName(parentSerial), data.rootInvocationsFromParent(parentSerial));
            }
          }
        }

        String displayName = methodName(serial);
        if (data.totalTime() >= LIMIT) {
          out.println("<tr class='method'>");
          if (topInvocation.getDuration() == 0) {
            out.println("  <td>100%</td>");
            out.println("  <td>100%</td>");
          } else {
            out.println("  <td>" + Long.toString(data.totalTime() * 100 / topInvocation.getDuration()) + "%</td>");
            out.println("  <td>" + Long.toString(data.selfTime() * 100 / topInvocation.getDuration()) + "%</td>");
          }
          printTimingCells(out, data);
          out.println("  <td>" + Integer.toString(data.totalCalls()) + "</td>");
          out.println("  <td>" + methodAnchor(displayName) + "</td>");
          out.println("</tr>");
        }

        int[] childSerialsInts = data.children();
        Integer[] childSerials = new Integer[childSerialsInts.length];
        for (int i = 0; i < childSerialsInts.length; i++) {
          childSerials[i] = childSerialsInts[i];
        }

        Arrays.sort(childSerials, new Comparator<Integer>() {
          public int compare(Integer child1, Integer child2) {
            long time1 = data.rootInvocationsOfChild(child1).totalTime();
            long time2 = data.rootInvocationsOfChild(child2).totalTime();
            return time1 == time2 ? 0 : (time1 < time2 ? 1 : -1);
          }
        });

        if (childSerials.length > 0) {
          for (int childSerial : childSerials) {
            if (!isThisProfilerInvocation(childSerial)) {
              String callerName = methodName(childSerial);
              InvocationSet invs = data.rootInvocationsOfChild(childSerial);
              printInvocationOfChild(out, methods, data, childSerial, callerName, invs);
            }
          }
        }
      }
    }
    out.println("</table>");
  }

  private void printInvocationOfChild(PrintStream out, IntHashMap<MethodData> methods, MethodData data, int childSerial, String callerName, InvocationSet invs) {
    out.print("<!-- " + invs.totalTime() + " -->");
    if (invs.totalTime() < LIMIT) {
      return;
    }
    out.println("<tr>");
    out.println("  <td></td>");
    out.println("  <td></td>");
    printTimingCells(out, invs);
    out.println("  <td>" + Integer.toString(data.invocationsOfChild(childSerial).totalCalls()) + "/" + Integer.toString(methods.get(childSerial).totalCalls()) + "</td>");
    out.println("  <td>" + linkToMethod(callerName) + "</td>");
    out.println("</tr>");
  }

  private void printInvocationFromParent(PrintStream out, MethodData data, int parentSerial, String callerName, InvocationSet invs) {
    if (invs.totalTime() < LIMIT) {
      return;
    }
    out.println("<tr>");
    out.println("  <td></td>");
    out.println("  <td></td>");
    printTimingCells(out, invs);
    out.println("  <td>" + Integer.toString(data.invocationsFromParent(parentSerial).totalCalls()) + "/" + Integer.toString(data.totalCalls()) + "</td>");
    out.println("  <td>" + linkToMethod(callerName) + "</td>");
    out.println("</tr>");
  }

  private String linkToMethod(String callerName) {
    return "<a href='#" + callerName.replaceAll("[><#\\.\\?=:]", "_") + "'>" + callerName + "</a>";
  }

  private String methodAnchor(String callerName) {
    return "<a name='" + callerName.replaceAll("[><#\\.\\?=:]", "_") + "'>" + callerName + "</a>";
  }

  private void printTimingCells(PrintStream out, InvocationSet invs) {
    out.println("  <td>" + nanoString(invs.totalTime()) + "</td>");
    out.println("  <td>" + nanoString(invs.selfTime()) + "</td>");
    out.println("  <td>" + nanoString(invs.childTime()) + "</td>");
  }

  private Integer[] parentSerials(final MethodData data) {
    int[] parentSerialsInts = data.parents();
    Integer[] parentSerials = new Integer[parentSerialsInts.length];
    for (int i = 0; i < parentSerialsInts.length; i++) {
      parentSerials[i] = parentSerialsInts[i];
    }

    Arrays.sort(parentSerials, new Comparator<Integer>() {
      public int compare(Integer parent1, Integer parent2) {
        long time1 = data.rootInvocationsFromParent(parent1).totalTime();
        long time2 = data.rootInvocationsFromParent(parent2).totalTime();
        return time1 == time2 ? 0 : (time1 < time2 ? -1 : 1);
      }
    });
    return parentSerials;
  }

  String head = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n" +
      "<html>\n" +
      "<head>\n" +
      "  <style media=\"all\" type=\"text/css\">\n" +
      "    table {\n" +
      "      border-collapse: collapse;\n" +
      "      border: 1px solid #CCC;\n" +
      "      font-family: Verdana, Arial, Helvetica, sans-serif;\n" +
      "      font-size: 9pt;\n" +
      "      line-height: normal;\n" +
      "      width: 100%;\n" +
      "    }\n" +
      "\n" +
      "    th {\n" +
      "      text-align: center;\n" +
      "      border-top: 1px solid #FB7A31;\n" +
      "      border-bottom: 1px solid #FB7A31;\n" +
      "      background: #FFC;\n" +
      "      padding: 0.3em;\n" +
      "      border-left: 1px solid silver;\n" +
      "    }\n" +
      "\n" +
      "    tr.break td {\n" +
      "      border: 0;\n" +
      "      border-top: 1px solid #FB7A31;\n" +
      "      padding: 0;\n" +
      "      margin: 0;\n" +
      "    }\n" +
      "\n" +
      "    tr.method td {\n" +
      "      font-weight: bold;\n" +
      "    }\n" +
      "\n" +
      "    td {\n" +
      "      padding: 0.3em;\n" +
      "    }\n" +
      "\n" +
      "    td:first-child {\n" +
      "      width: 190px;\n" +
      "      }\n" +
      "\n" +
      "    td {\n" +
      "      border-left: 1px solid #CCC;\n" +
      "      text-align: center;\n" +
      "    }\n" +
      "\n" +
      "    .method_name {\n" +
      "      text-align: left;\n" +
      "    }\n" +
      "  </style>\n" +
      "  </head>\n";

}