From: Gautham R Shenoy <ego@in.ibm.com>
Date: Thu, 29 May 2008 15:26:32 +0000 (+0530)
Subject: sched: print the sd->level in sched_domain_debug code
X-Git-Tag: v2.6.27-rc1~1105^2~64
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=099f98c8a1f13501a98afbfff4756395a610581c;p=linux-2.6

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>
---

diff --git a/kernel/sched.c b/kernel/sched.c
index ef4e25604b..dc0be113f4 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -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 "