code: public void monitorCaches(CacheManager cacheManager) {
  		if (cacheManager == null) {
  			logger.warn("EhCache can't be monitored; CacheManager is null");
  			return;
  		}
  		for (String cacheName : cacheManager.getCacheNames()) {
  			monitorCache(cacheManager.getCache(cacheName));
  		}
  	}
docs: You can use this method to manually register a {@link CacheManager} that should be monitored by stagemonitor.
  <p>
  Example:
  <pre>
  Stagemonitor.getPlugin(EhCachePlugin.class).monitorCaches(yourCacheManager);
  </pre>
  
  @param cacheManager The CacheManager to monitor