AcoSail/kernel_optimize_test
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[PATCH] sched: don't print migration cost when only 1 CPU

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If only a single CPU is present, printing this doesn't make much sense.

Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dave Jones 2006-10-03 01:14:07 -07:00 committed by Linus Torvalds
parent a616058b78
commit 7473264643
1 changed files with 8 additions and 6 deletions
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14
kernel/sched.c
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@ -5977,13 +5977,15 @@ static void calibrate_migration_costs(const cpumask_t *cpu_map)
#endif
);
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);
if (num_online_cpus() > 1) {
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)