diff --git a/swh/scheduler/celery_backend/config.py b/swh/scheduler/celery_backend/config.py
--- a/swh/scheduler/celery_backend/config.py
+++ b/swh/scheduler/celery_backend/config.py
@@ -100,6 +100,8 @@
 
     logger.info('Setup Queues & Tasks for %s', sender)
 
+    instance.app.conf['worker_name'] = sender
+
     for module_name in itertools.chain(
             # celery worker -I flag
             instance.app.conf['include'],
diff --git a/swh/scheduler/task.py b/swh/scheduler/task.py
--- a/swh/scheduler/task.py
+++ b/swh/scheduler/task.py
@@ -1,11 +1,14 @@
-# Copyright (C) 2015-2017 The Software Heritage developers
+# Copyright (C) 2015-2018 The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
+from celery import current_app
 import celery.app.task
 from celery.utils.log import get_task_logger
 
+from swh.core.statsd import Statsd
+
 
 class SWHTask(celery.app.task.Task):
     """a schedulable task (abstract class)
@@ -16,12 +19,37 @@
 
     """
 
+    _statsd = None
     _log = None
 
+    @property
+    def statsd(self):
+        if self._statsd:
+            return self._statsd
+        worker_name = current_app.conf.get('worker_name')
+        if worker_name:
+            self._statsd = Statsd(constant_tags={
+                'task': self.name,
+                'worker': worker_name,
+            })
+            return self._statsd
+        else:
+            return Statsd(constant_tags={
+                'task': self.name,
+                'worker': 'unknown worker',
+            })
+
+    def __call__(self, *args, **kwargs):
+        self.statsd.increment('swh_task_called_count')
+        with self.statsd.timed('swh_task_duration_seconds'):
+            return super().__call__(*args, **kwargs)
+
     def on_failure(self, exc, task_id, args, kwargs, einfo):
+        self.statsd.increment('swh_task_failure_count')
         self.send_event('task-result-exception')
 
     def on_success(self, retval, task_id, args, kwargs):
+        self.statsd.increment('swh_task_success_count')
         self.send_event('task-result', result=retval)
 
     @property