_profile.py: Added a new profiling topic, scheduler

profile_start() and profile_end() calls have been incorporated into
Scheduler.run()

2 files changed, 7 insertions, 0 deletions

diff --git a/buildstream/_profile.py b/buildstream/_profile.py
index 6d8da9f66..b293c342b 100644
--- a/buildstream/_profile.py
+++ b/buildstream/_profile.py
@@ -46,6 +46,7 @@ class Topics():
     LOAD_CONTEXT = 'load-context'
     LOAD_PROJECT = 'load-project'
     LOAD_PIPELINE = 'load-pipeline'
+    SCHEDULER = 'scheduler'
     SHOW = 'show'
     ARTIFACT_RECEIVE = 'artifact-receive'
     ALL = 'all'
diff --git a/buildstream/_scheduler/scheduler.py b/buildstream/_scheduler/scheduler.py
index 7f5249575..f9d627912 100644
--- a/buildstream/_scheduler/scheduler.py
+++ b/buildstream/_scheduler/scheduler.py
@@ -29,6 +29,7 @@ from contextlib import contextmanager
 # Local imports
 from .resources import Resources, ResourceType
 from .jobs import JobStatus, CacheSizeJob, CleanupJob
+from .._profile import Topics, profile_start, profile_end
 
 
 # A decent return code for Scheduler.run()
@@ -154,11 +155,16 @@ class Scheduler():
         # Check if we need to start with some cache maintenance
         self._check_cache_management()
 
+        # Start the profiler
+        profile_start(Topics.SCHEDULER, "_".join(queue.action_name for queue in self.queues))
+
         # Run the queues
         self._sched()
         self.loop.run_forever()
         self.loop.close()
 
+        profile_end(Topics.SCHEDULER, "_".join(queue.action_name for queue in self.queues))
+
         # Stop handling unix signals
         self._disconnect_signals()