code: @ProbeAtEntry
      @ProbeSite(clazz = "com.ibm.ejs.j2c.FreePool", method = "queueRequest")
      public void waitTimeEntry() {
          if (tc.isEntryEnabled()) {
              Tr.entry(tc, "waitTimeEntry");
          }
          tlocalforwtTime.set(System.currentTimeMillis());
          if (tc.isEntryEnabled()) {
              Tr.exit(tc, "waitTimeEntry");
          }
      }
docs: Code which sets the entry time for queueRequest for wait time.We set it in ThreadLocal variable