record sleeping threads

src/main/java/com/commafeed/backend/MetricsBean.java

@@ -48,6 +48,11 @@ public class MetricsBean {
 		thisMinute.statusesInserted += statusesCount;
 	}
 
+	public void threadWaited() {
+		thisHour.threadWaited++;
+		thisMinute.threadWaited++;
+	}
+
 	public Metric getLastMinute() {
 		return lastMinute;
 	}
@@ -61,6 +66,7 @@ public class MetricsBean {
 		private int feedsUpdated;
 		private int entriesInserted;
 		private int statusesInserted;
+		private int threadWaited;
 
 		public int getFeedsRefreshed() {
 			return feedsRefreshed;
@@ -94,5 +100,13 @@ public class MetricsBean {
 			this.statusesInserted = statusesInserted;
 		}
 
+		public int getThreadWaited() {
+			return threadWaited;
+		}
+
+		public void setThreadWaited(int threadWaited) {
+			this.threadWaited = threadWaited;
+		}
+
 	}
 }

src/main/java/com/commafeed/backend/feeds/FeedRefreshWorker.java

@@ -11,6 +11,7 @@ import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.commafeed.backend.MetricsBean;
 import com.commafeed.backend.HttpGetter.NotModifiedException;
 import com.commafeed.backend.model.Feed;
 import com.commafeed.backend.model.FeedEntry;
@@ -39,6 +40,9 @@ public class FeedRefreshWorker {
 	@Inject
 	FeedPushInfoService feedPushInfoService;
 
+	@Inject
+	MetricsBean metricsBean;
+
 	public void start(MutableBoolean running, String threadName) {
 		log.info("{} starting", threadName);
 
@@ -58,6 +62,7 @@ public class FeedRefreshWorker {
 					update(feed);
 				} else {
 					log.debug("sleeping");
+					metricsBean.threadWaited();
 					Thread.sleep(15000);
 				}
 			} catch (InterruptedException e) {