diff --git a/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java b/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java
index cb8b686..eaf409b 100644
--- a/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java
+++ b/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java
@@ -18,15 +18,19 @@
 import static com.google.gerrit.server.project.ProjectCache.noSuchProject;
 
 import com.google.common.collect.Streams;
+import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.entities.Change;
 import com.google.gerrit.entities.SubmitRecord;
 import com.google.gerrit.entities.SubmitTypeRecord;
 import com.google.gerrit.exceptions.StorageException;
+import com.google.gerrit.extensions.api.changes.ChangeApi;
 import com.google.gerrit.metrics.Description;
 import com.google.gerrit.metrics.Description.Units;
 import com.google.gerrit.metrics.MetricMaker;
 import com.google.gerrit.metrics.Timer0;
+import com.google.gerrit.server.change.ChangeJson;
 import com.google.gerrit.server.index.OnlineReindexMode;
+import com.google.gerrit.server.logging.CallerFinder;
 import com.google.gerrit.server.plugincontext.PluginSetContext;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.rules.DefaultSubmitRule;
@@ -42,12 +46,15 @@
  * the results through rules found in the parent projects, all the way up to All-Projects.
  */
 public class SubmitRuleEvaluator {
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
   private final ProjectCache projectCache;
   private final PrologRule prologRule;
   private final PluginSetContext<SubmitRule> submitRules;
   private final Timer0 submitRuleEvaluationLatency;
   private final Timer0 submitTypeEvaluationLatency;
   private final SubmitRuleOptions opts;
+  private final CallerFinder callerFinder;
 
   public interface Factory {
     /** Returns a new {@link SubmitRuleEvaluator} with the specified options */
@@ -78,6 +85,14 @@
                 .setUnit(Units.MILLISECONDS));
 
     this.opts = options;
+
+    this.callerFinder =
+        CallerFinder.builder()
+            .addTarget(ChangeApi.class)
+            .addTarget(ChangeJson.class)
+            .addTarget(ChangeData.class)
+            .addTarget(SubmitRequirementsEvaluatorImpl.class)
+            .build();
   }
 
   /**
@@ -88,6 +103,9 @@
    * @param cd ChangeData to evaluate
    */
   public List<SubmitRecord> evaluate(ChangeData cd) {
+    logger.atFine().log(
+        "Evaluate submit rules for change %d (caller: %s)",
+        cd.change().getId().get(), callerFinder.findCallerLazy());
     try (Timer0.Context ignored = submitRuleEvaluationLatency.start()) {
       Change change;
       ProjectState projectState;