sched: remove wait_runtime fields and features
remove wait_runtime based fields and features, now that the CFS
math has been changed over to the vruntime metric.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 3350169..e3b6232 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -36,21 +36,16 @@
else
SEQ_printf(m, " ");
- SEQ_printf(m, "%15s %5d %15Ld %13Ld %13Ld %9Ld %5d ",
+ SEQ_printf(m, "%15s %5d %15Ld %13Ld %5d ",
p->comm, p->pid,
(long long)p->se.fair_key,
- (long long)(p->se.fair_key - rq->cfs.fair_clock),
- (long long)p->se.wait_runtime,
(long long)(p->nvcsw + p->nivcsw),
p->prio);
#ifdef CONFIG_SCHEDSTATS
- SEQ_printf(m, "%15Ld %15Ld %15Ld %15Ld %15Ld %15Ld\n",
+ SEQ_printf(m, "%15Ld %15Ld %15Ld\n",
(long long)p->se.vruntime,
(long long)p->se.sum_exec_runtime,
- (long long)p->se.sum_wait_runtime,
- (long long)p->se.sum_sleep_runtime,
- (long long)p->se.wait_runtime_overruns,
- (long long)p->se.wait_runtime_underruns);
+ (long long)p->se.sum_sleep_runtime);
#else
SEQ_printf(m, "%15Ld %15Ld %15Ld %15Ld %15Ld\n",
0LL, 0LL, 0LL, 0LL, 0LL);
@@ -63,10 +58,8 @@
SEQ_printf(m,
"\nrunnable tasks:\n"
- " task PID tree-key delta waiting"
- " switches prio"
- " exec-runtime sum-exec sum-wait sum-sleep"
- " wait-overrun wait-underrun\n"
+ " task PID tree-key switches prio"
+ " exec-runtime sum-exec sum-sleep\n"
"------------------------------------------------------------------"
"--------------------------------"
"------------------------------------------------"
@@ -84,29 +77,6 @@
read_unlock_irq(&tasklist_lock);
}
-static void
-print_cfs_rq_runtime_sum(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
-{
- s64 wait_runtime_rq_sum = 0;
- struct task_struct *p;
- struct rb_node *curr;
- unsigned long flags;
- struct rq *rq = &per_cpu(runqueues, cpu);
-
- spin_lock_irqsave(&rq->lock, flags);
- curr = first_fair(cfs_rq);
- while (curr) {
- p = rb_entry(curr, struct task_struct, se.run_node);
- wait_runtime_rq_sum += p->se.wait_runtime;
-
- curr = rb_next(curr);
- }
- spin_unlock_irqrestore(&rq->lock, flags);
-
- SEQ_printf(m, " .%-30s: %Ld\n", "wait_runtime_rq_sum",
- (long long)wait_runtime_rq_sum);
-}
-
void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
{
s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1,
@@ -120,7 +90,6 @@
#define P(x) \
SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(cfs_rq->x))
- P(fair_clock);
P(exec_clock);
spin_lock_irqsave(&rq->lock, flags);
@@ -144,13 +113,7 @@
spread0 = min_vruntime - rq0_min_vruntime;
SEQ_printf(m, " .%-30s: %Ld\n", "spread0",
(long long)spread0);
-
- P(wait_runtime);
- P(wait_runtime_overruns);
- P(wait_runtime_underruns);
#undef P
-
- print_cfs_rq_runtime_sum(m, cpu, cfs_rq);
}
static void print_cpu(struct seq_file *m, int cpu)
@@ -268,8 +231,6 @@
#define P(F) \
SEQ_printf(m, "%-25s:%20Ld\n", #F, (long long)p->F)
- P(se.wait_runtime);
- P(se.wait_start_fair);
P(se.exec_start);
P(se.vruntime);
P(se.sum_exec_runtime);
@@ -283,9 +244,6 @@
P(se.exec_max);
P(se.slice_max);
P(se.wait_max);
- P(se.wait_runtime_overruns);
- P(se.wait_runtime_underruns);
- P(se.sum_wait_runtime);
#endif
SEQ_printf(m, "%-25s:%20Ld\n",
"nr_switches", (long long)(p->nvcsw + p->nivcsw));
@@ -312,8 +270,6 @@
p->se.exec_max = 0;
p->se.slice_max = 0;
p->se.wait_max = 0;
- p->se.wait_runtime_overruns = 0;
- p->se.wait_runtime_underruns = 0;
#endif
p->se.sum_exec_runtime = 0;
p->se.prev_sum_exec_runtime = 0;