Profiler: support for method-level summaries

h2/src/main/org/h2/util/Profiler.java

@@ -37,6 +37,7 @@ public class Profiler implements Runnable {
     public int depth = 48;
     public boolean paused;
     public boolean sumClasses;
+    public boolean sumMethods;
 
     private int pid;
 
@@ -149,7 +150,21 @@ public class Profiler implements Runnable {
             }
         }
         try {
-            for (String file : args) {
+            for (String arg : args) {
+                if (arg.startsWith("-")) {
+                    if ("-classes".equals(arg)) {
+                        sumClasses = true;
+                    } else if ("-methods".equals(arg)) {
+                        sumMethods = true;
+                    } else if ("-packages".equals(args)) {
+                        sumClasses = false;
+                        sumMethods = false;
+                    } else {
+                        throw new IllegalArgumentException(arg);
+                    }
+                    continue;
+                }
+                String file = arg;
                 Reader reader;
                 LineNumberReader r;
                 reader = new InputStreamReader(
@@ -170,7 +185,7 @@ public class Profiler implements Runnable {
                 processList(readStackTrace(r));
                 reader.close();
             }
-            System.out.println(getTopTraces(3));
+            System.out.println(getTopTraces(5));
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
@@ -383,6 +398,10 @@ public class Profiler implements Runnable {
                             int m = el.indexOf('.', index + 1);
                             index = m >= 0 ? m : index;
                         }
+                        if (sumMethods) {
+                            int m = el.indexOf('(', index + 1);
+                            index = m >= 0 ? m : index;
+                        }
                         String groupName = el.substring(0, index);
                         increment(summary, groupName, 0);
                     }