add more debug info

src/main/java/bftsmart/consensus/roles/Acceptor.java

@@ -441,6 +441,7 @@ public final class Acceptor {
 							epoch.deserializedPrecomputeValue.add(epoch.deserializedPropValue[i]);
 						}
 
+						LOGGER.info("I am proc {}, start pre compute , cid = {}, epoch = {}", this.topology.getStaticConf().getProcessId(), cid, epoch.getTimestamp());
 						BatchAppResult appHashResult = defaultExecutor.preComputeHash(cid,
 								commands.toArray(new byte[commands.size()][]), epoch.getProposeTimestamp());
 

src/main/java/bftsmart/tom/core/ExecutionManager.java

@@ -576,6 +576,7 @@ public final class ExecutionManager {
 
 					DefaultRecoverable defaultRecoverable = getAcceptor().getDefaultExecutor();
 					if (e != null) {
+					    LOGGER.info("I am proc {}, pre compute rollback occur!, cid = {}, epoch = {}", topology.getStaticConf().getProcessId(), cons.getId(), e.getTimestamp());
 						defaultRecoverable.preComputeRollback(cons.getId(), e.getBatchId());
 						cons.setPrecomputed(false);
 					}

src/main/java/bftsmart/tom/server/defaultservices/DefaultRecoverable.java

@@ -374,6 +374,8 @@ public abstract class DefaultRecoverable implements Recoverable, PreComputeBatch
 					if (commands == null || msgCtx == null || msgCtx[0].isNoOp()) {
 						continue;
 					}
+					LOGGER.info("I am proc {}, will do appExecuteBatch, cid = {}", controller.getStaticConf().getProcessId(), cid);
+
 					appExecuteBatch(commands, msgCtx, false);
 					// add replay message batch to disk file