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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: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Gautham R Shenoy 2008-05-29 20:56:32 +05:30 committed by Ingo Molnar
parent e29c98d12b
commit 099f98c8a1
1 changed files with 24 additions and 1 deletions
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25
kernel/sched.c
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@ -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 "