[PATCH] sched: only print migration_cost once per boot

migration_cost prints after every CPU hotplug event.  Make it print only
once at boot.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/kernel/sched.c b/kernel/sched.c
index 839466fdfb4cf285c44807a79223a11a9f1017fb..bc38804e40ddf72954695470ae50fb3a5c0b82a9 100644 (file)
--- 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);