--- a/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiUtil.java	Wed May 02 17:09:00 2012 +0200
+++ b/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiUtil.java	Wed May 02 18:04:36 2012 +0200
@@ -28,6 +28,7 @@
 import java.util.*;
 
 import com.oracle.max.cri.ri.*;
+import com.oracle.max.cri.ri.RiTypeProfile.ProfiledType;
 
 /**
  * Miscellaneous collection of utility methods used in the {@code CRI} project.
@@ -736,4 +737,64 @@
         }
         return result;
     }
+
+    /**
+     * Formats the profiling information associated with a given method to a string.
+     */
+    public static String profileAsString(RiResolvedMethod method) {
+        StringBuilder buf = new StringBuilder(100);
+        buf.append(String.format("canBeStaticallyBound: %b%n", method.canBeStaticallyBound())).
+            append(String.format("invocationCount: %d%n", method.invocationCount()));
+        RiProfilingInfo profilingInfo = method.profilingInfo();
+        if (profilingInfo != null) {
+            for (int i = 0; i < method.codeSize(); i++) {
+                if (profilingInfo.getExecutionCount(i) != -1) {
+                    buf.append(String.format("executionCount@%d: %d%n", i, profilingInfo.getExecutionCount(i)));
+                }
+
+                if (profilingInfo.getBranchTakenProbability(i) != -1) {
+                    buf.append(String.format("branchProbability@%d: %.3f%n", i, profilingInfo.getBranchTakenProbability(i)));
+                }
+
+                double[] switchProbabilities = profilingInfo.getSwitchProbabilities(i);
+                if (switchProbabilities != null) {
+                    buf.append(String.format("switchProbabilities@%d:", i));
+                    for (int j = 0; j < switchProbabilities.length; j++) {
+                        buf.append(String.format(" %.3f", switchProbabilities[j]));
+                    }
+                    buf.append(NEW_LINE);
+                }
+
+                if (profilingInfo.getExceptionSeen(i) != RiExceptionSeen.FALSE) {
+                    buf.append(String.format("exceptionSeen@%d: %s%n", i, profilingInfo.getExceptionSeen(i).name()));
+                }
+
+                RiTypeProfile typeProfile = profilingInfo.getTypeProfile(i);
+                if (typeProfile != null) {
+                    ProfiledType[] ptypes = typeProfile.getTypes();
+                    if (ptypes != null) {
+                        buf.append(String.format("types@%d:%n", i));
+                        for (int j = 0; j < ptypes.length; j++) {
+                            ProfiledType ptype = ptypes[j];
+                            buf.append(String.format("  %.3f %s%n", ptype.probability, ptype.type));
+                        }
+                        buf.append(String.format("  %.3f <not recorded>%n", typeProfile.getNotRecordedProbability()));
+                    }
+                }
+            }
+
+            boolean firstDeoptReason = true;
+            for (RiDeoptReason reason: RiDeoptReason.values()) {
+                int count = profilingInfo.getDeoptimizationCount(reason);
+                if (count > 0) {
+                    if (firstDeoptReason) {
+                        buf.append("deoptimization history").append(NEW_LINE);
+                        firstDeoptReason = false;
+                    }
+                    buf.append(String.format("  %s: %d%n", reason.name(), count));
+                }
+            }
+        }
+        return buf.toString();
+    }
 }