X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsched_fair.c;h=e24ecd39c4b8aec9786d0ab3df0a01ad6dcba08d;hb=86387f7ee5d3273ff4859e2c64ce656639b6ca65;hp=89fa32b4edf27d500c3d6c644596ffc4afb881f5;hpb=19b5b517a8b81a448be9b2bdaf18a761a7b9799e;p=linux-2.6

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 89fa32b4ed..e24ecd39c4 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -662,10 +662,15 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial)
 	if (!initial) {
 		/* sleeps upto a single latency don't count. */
 		if (sched_feat(NEW_FAIR_SLEEPERS)) {
+			unsigned long thresh = sysctl_sched_latency;
+
+			/*
+			 * convert the sleeper threshold into virtual time
+			 */
 			if (sched_feat(NORMALIZED_SLEEPER))
-				vruntime -= calc_delta_weight(sysctl_sched_latency, se);
-			else
-				vruntime -= sysctl_sched_latency;
+				thresh = calc_delta_fair(thresh, se);
+
+			vruntime -= thresh;
 		}
 
 		/* ensure we never gain time by being placed backwards. */
@@ -682,6 +687,7 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int wakeup)
 	 * Update run-time statistics of the 'current'.
 	 */
 	update_curr(cfs_rq);
+	account_entity_enqueue(cfs_rq, se);
 
 	if (wakeup) {
 		place_entity(cfs_rq, se, 0);
@@ -692,7 +698,6 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int wakeup)
 	check_spread(cfs_rq, se);
 	if (se != cfs_rq->curr)
 		__enqueue_entity(cfs_rq, se);
-	account_entity_enqueue(cfs_rq, se);
 }
 
 static void update_avg(u64 *avg, u64 sample)
@@ -841,8 +846,10 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued)
 	 * queued ticks are scheduled to match the slice, so don't bother
 	 * validating it and just reschedule.
 	 */
-	if (queued)
-		return resched_task(rq_of(cfs_rq)->curr);
+	if (queued) {
+		resched_task(rq_of(cfs_rq)->curr);
+		return;
+	}
 	/*
 	 * don't let the period tick interfere with the hrtick preemption
 	 */
@@ -957,7 +964,7 @@ static void yield_task_fair(struct rq *rq)
 		return;
 
 	if (likely(!sysctl_sched_compat_yield) && curr->policy != SCHED_BATCH) {
-		__update_rq_clock(rq);
+		update_rq_clock(rq);
 		/*
 		 * Update run-time statistics of the 'current'.
 		 */
@@ -1007,7 +1014,7 @@ static int wake_idle(int cpu, struct task_struct *p)
 	 * sibling runqueue info. This will avoid the checks and cache miss
 	 * penalities associated with that.
 	 */
-	if (idle_cpu(cpu) || cpu_rq(cpu)->nr_running > 1)
+	if (idle_cpu(cpu) || cpu_rq(cpu)->cfs.nr_running > 1)
 		return cpu;
 
 	for_each_domain(cpu, sd) {
@@ -1611,30 +1618,6 @@ static const struct sched_class fair_sched_class = {
 };
 
 #ifdef CONFIG_SCHED_DEBUG
-static void
-print_cfs_rq_tasks(struct seq_file *m, struct cfs_rq *cfs_rq, int depth)
-{
-	struct sched_entity *se;
-
-	if (!cfs_rq)
-		return;
-
-	list_for_each_entry_rcu(se, &cfs_rq->tasks, group_node) {
-		int i;
-
-		for (i = depth; i; i--)
-			seq_puts(m, "  ");
-
-		seq_printf(m, "%lu %s %lu\n",
-				se->load.weight,
-				entity_is_task(se) ? "T" : "G",
-				calc_delta_weight(SCHED_LOAD_SCALE, se)
-				);
-		if (!entity_is_task(se))
-			print_cfs_rq_tasks(m, group_cfs_rq(se), depth + 1);
-	}
-}
-
 static void print_cfs_stats(struct seq_file *m, int cpu)
 {
 	struct cfs_rq *cfs_rq;
@@ -1642,9 +1625,6 @@ static void print_cfs_stats(struct seq_file *m, int cpu)
 	rcu_read_lock();
 	for_each_leaf_cfs_rq(cpu_rq(cpu), cfs_rq)
 		print_cfs_rq(m, cpu, cfs_rq);
-
-	seq_printf(m, "\nWeight tree:\n");
-	print_cfs_rq_tasks(m, &cpu_rq(cpu)->cfs, 1);
 	rcu_read_unlock();
 }
 #endif