sched: fix profile=sleep

fix sleep profiling - we lost this chunk in the CFS merge. Found-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Ingo Molnar <mingo@elte.hu>

sched: fix profile=sleep
fix sleep profiling - we lost this chunk in the CFS merge. Found-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar
1 parent 3146b39c18
Showing 1 changed file with 10 additions and 0 deletions Side-by-side Diff
kernel/sched_fair.c
@@ -639,6 +639,16 @@
  
 		se->block_start = 0;
 		se->sum_sleep_runtime += delta;
+
+		/*
+		 * Blocking time is in units of nanosecs, so shift by 20 to
+		 * get a milliseconds-range estimation of the amount of
+		 * time that the task spent sleeping:
+		 */
+		if (unlikely(prof_on == SLEEP_PROFILING)) {
+			profile_hits(SLEEP_PROFILING, (void *)get_wchan(tsk),
+				     delta >> 20);
+		}
 	}
 #endif
 }
...	...	@@ -639,6 +639,16 @@
639	639
640	640	se->block_start = 0;
641	641	se->sum_sleep_runtime += delta;
	642	+
	643	+ /*
	644	+ * Blocking time is in units of nanosecs, so shift by 20 to
	645	+ * get a milliseconds-range estimation of the amount of
	646	+ * time that the task spent sleeping:
	647	+ */
	648	+ if (unlikely(prof_on == SLEEP_PROFILING)) {
	649	+ profile_hits(SLEEP_PROFILING, (void *)get_wchan(tsk),
	650	+ delta >> 20);
	651	+ }
642	652	}
643	653	#endif
644	654	}