AccessStatistics.java

Statistics stats = sessionFactory.getStatistics();
long queryCount = stats.getQueryExecutionCount();

persistence.xml

<persistence>
  <persistence-unit name=”my-persistence-unit”>
    <description>Hibernate Tips</description>
    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>

    <properties>
      <property name=”hibernate.generate_statistics” value=”true” />
      …
    </properties>
  </persistence-unit>
</persistence>

statistics.log

16:24:55,318 INFO [org.hibernate.engine.internal.StatisticalLoggingSessionEventListener] – Session Metrics {
25659 nanoseconds spent acquiring 1 JDBC connections;
22394 nanoseconds spent releasing 1 JDBC connections;
1091216 nanoseconds spent preparing 12 JDBC statements;
11118842 nanoseconds spent executing 12 JDBC statements;
0 nanoseconds spent executing 0 JDBC batches;
0 nanoseconds spent performing 0 L2C puts;
0 nanoseconds spent performing 0 L2C hits;
0 nanoseconds spent performing 0 L2C misses;
16999942 nanoseconds spent executing 1 flushes (flushing a total of 17 entities and 17 collections);
63915 nanoseconds spent executing 1 partial-flushes (flushing a total of 0 entities and 0 collections)
}