3 files changed, 0 insertions, 36 deletions
diff --git a/kern/sched.h b/kern/sched.h
index 8a4ec75b..588e0aa6 100644
--- a/kern/sched.h
+++ b/kern/sched.h
@@ -166,13 +166,4 @@ MACRO_BEGIN							\
 			(thread)->processor_set->sched_load;	\
 MACRO_END
 
-#if	SIMPLE_CLOCK
-/*
- *	sched_usec is an exponential average of number of microseconds
- *	in a second for clock drift compensation.
- */
-
-extern int	sched_usec;
-#endif	/* SIMPLE_CLOCK */
-
 #endif	/* _KERN_SCHED_H_ */
diff --git a/kern/sched_prim.c b/kern/sched_prim.c
index 423c6c0e..96fabf59 100644
--- a/kern/sched_prim.c
+++ b/kern/sched_prim.c
@@ -64,10 +64,6 @@ int		min_quantum;	/* defines max context switch rate */
 
 unsigned	sched_tick;
 
-#if	SIMPLE_CLOCK
-int		sched_usec;
-#endif	/* SIMPLE_CLOCK */
-
 thread_t	sched_thread_id;
 
 timer_elt_data_t recompute_priorities_timer;
@@ -159,9 +155,6 @@ void sched_init(void)
 	queue_init(&action_queue);
 	simple_lock_init(&action_lock);
 	sched_tick = 0;
-#if	SIMPLE_CLOCK
-	sched_usec = 0;
-#endif	/* SIMPLE_CLOCK */
 	ast_init();
 }
 
@@ -1089,21 +1082,8 @@ void compute_my_priority(
  */
 void recompute_priorities(void *param)
 {
-#if	SIMPLE_CLOCK
-	int	new_usec;
-#endif	/* SIMPLE_CLOCK */
-
 	sched_tick++;		/* age usage one more time */
 	set_timeout(&recompute_priorities_timer, hz);
-#if	SIMPLE_CLOCK
-	/*
-	 *	Compensate for clock drift.  sched_usec is an
-	 *	exponential average of the number of microseconds in
-	 *	a second.  It decays in the same fashion as cpu_usage.
-	 */
-	new_usec = sched_usec_elapsed();
-	sched_usec = (5*sched_usec + 3*new_usec)/8;
-#endif	/* SIMPLE_CLOCK */
 	/*
 	 *	Wakeup scheduler thread.
 	 */
diff --git a/kern/thread.c b/kern/thread.c
index 8637e36f..29c26d44 100644
--- a/kern/thread.c
+++ b/kern/thread.c
@@ -1527,13 +1527,6 @@ kern_return_t thread_info(
 	    basic_info->cpu_usage = thread->cpu_usage /
 					(TIMER_RATE/TH_USAGE_SCALE);
 	    basic_info->cpu_usage = (basic_info->cpu_usage * 3) / 5;
-#if	SIMPLE_CLOCK
-	    /*
-	     *	Clock drift compensation.
-	     */
-	    basic_info->cpu_usage =
-		(basic_info->cpu_usage * 1000000)/sched_usec;
-#endif	/* SIMPLE_CLOCK */
 
 	    flags = 0;
 	    if (thread->state & TH_SWAPPED)