MB-24142: Use correct unit for slowTask recording

Change-Id: I388eb43fea01f8b79f5a122afa2c68757736fb81
Reviewed-on: http://review.couchbase.org/84424
Well-Formed: Build Bot <[email protected]>
Tested-by: Build Bot <[email protected]>
Reviewed-by: Daniel Owen <[email protected]>

Author: daverigby

src/executorthread.cc

@@ -129,8 +129,7 @@ void ExecutorThread::run() {
             addLogEntry(currentTask->getTaskable().getName() +
                         currentTask->getDescription(),
                        q->getQueueType(), runtime, startReltime,
-                       (runtime > std::chrono::seconds(
-                               currentTask->maxExpectedDuration())));
+                       (runtime > currentTask->maxExpectedDuration()));
 
             if (engine) {
                 ObjectRegistry::onSwitchThread(engine);

src/tasks.h

@@ -95,8 +95,12 @@ friend class TaskQueue;
      */
     virtual std::string getDescription(void) = 0;
 
-    virtual int maxExpectedDuration(void) {
-        return 3600;
+    /**
+     * The maximum expected duration of this task. Any tasks taking longer than
+     * this to run will be logged as "slow".
+     */
+    virtual std::chrono::microseconds maxExpectedDuration() {
+        return std::chrono::microseconds(3600);
     }
 
     /**