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Subject[patch -mm4] sched: only print migration_cost once
migration_cost prints after every CPU hotplug event.  Make it
print only once at boot.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>

--- 2.6.16-rc1-mm4-386.orig/kernel/sched.c
+++ 2.6.16-rc1-mm4-386/kernel/sched.c
@@ -5656,6 +5656,7 @@ static void calibrate_migration_costs(co
int cpu1 = -1, cpu2 = -1, cpu, orig_cpu = raw_smp_processor_id();
unsigned long j0, j1, distance, max_distance = 0;
struct sched_domain *sd;
+ static int printed_cost = 0; /* has cost already been printed? */

j0 = jiffies;

@@ -5699,13 +5700,16 @@ static void calibrate_migration_costs(co
-1
#endif
);
- printk("migration_cost=");
- for (distance = 0; distance <= max_distance; distance++) {
- if (distance)
- printk(",");
- printk("%ld", (long)migration_cost[distance] / 1000);
+ if (!printed_cost) {
+ printed_cost++;
+ 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);
--
Chuck
-
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