[PATCH] sched: only print migration_cost once per boot
Changes
1 files changed · +8 −6
| File | Status | Add | Del | Content |
|---|---|---|---|---|
| kernel/sched.c | modified | +8 | −6 | View file |
kernel/sched.c
View filediff --git a/kernel/sched.c b/kernel/sched.c
index 839466f..bc38804 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5551,13 +5551,15 @@ static void calibrate_migration_costs(const cpumask_t *cpu_map)
-1
#endif
);
- printk("migration_cost=");
- for (distance = 0; distance <= max_distance; distance++) {
- if (distance)
- printk(",");
- printk("%ld", (long)migration_cost[distance] / 1000);
+ if (system_state == SYSTEM_BOOTING) {
+ printk("migration_cost=");
+ for (distance = 0; distance <= max_distance; distance++) {
+ if (distance)
+ printk(",");
+ printk("%ld", (long)migration_cost[distance] / 1000);
+ }
+ printk("\n");
}
- printk("\n");
j1 = jiffies;
if (migration_debug)
printk("migration: %ld seconds\n", (j1-j0)/HZ);