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Commit 099f98c8 authored by Gautham R Shenoy's avatar Gautham R Shenoy Committed by Ingo Molnar
Browse files

sched: print the sd->level in sched_domain_debug code 



While printing out the visual representation of the sched-domains, print
the level (MC, SMT, CPU, NODE, ... ) of each of the sched_domains.

Credit: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarGautham R Shenoy <ego@in.ibm.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent e29c98d1

kernel/sched.c

+24 −1
Original line number Diff line number Diff line
@@ -6197,6 +6197,28 @@ void __init migration_init(void) 


#ifdef CONFIG_SCHED_DEBUG



static inline const char *sd_level_to_string(enum sched_domain_level lvl)

{

	switch (lvl) {

	case SD_LV_NONE:

			return "NONE";

	case SD_LV_SIBLING:

			return "SIBLING";

	case SD_LV_MC:

			return "MC";

	case SD_LV_CPU:

			return "CPU";

	case SD_LV_NODE:

			return "NODE";

	case SD_LV_ALLNODES:

			return "ALLNODES";

	case SD_LV_MAX:

			return "MAX";



	}

	return "MAX";

}



static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,

				  cpumask_t *groupmask)

{
@@ -6216,7 +6238,8 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level, 
		return -1;

	}



	printk(KERN_CONT "span %s\n", str);

	printk(KERN_CONT "span %s level %s\n",

		str, sd_level_to_string(sd->level));



	if (!cpu_isset(cpu, sd->span)) {

		printk(KERN_ERR "ERROR: domain->span does not contain "