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authorPeter Zijlstra <peterz@infradead.org>2017-04-14 17:29:16 +0200
committerIngo Molnar <mingo@kernel.org>2017-05-15 10:15:25 +0200
commitb0151c25548cacc50771a7930475727c6c8ee869 (patch)
tree588eb063d33eb13dd325fea2dfe33a6a579bb041 /kernel/sched/topology.c
parentsched/topology: Simplify build_overlap_sched_groups() (diff)
downloadlinux-b0151c25548cacc50771a7930475727c6c8ee869.tar.xz
linux-b0151c25548cacc50771a7930475727c6c8ee869.zip
sched/debug: Print the scheduler topology group mask
In order to determine the balance_cpu (for should_we_balance()) we need the sched_group_mask() for overlapping domains. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/topology.c')
-rw-r--r--kernel/sched/topology.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 6b10e0a956c7..3d50ee38b8fb 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -82,12 +82,22 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
printk(KERN_CONT " %*pbl",
cpumask_pr_args(sched_group_cpus(group)));
+
+ if ((sd->flags & SD_OVERLAP) && !cpumask_full(sched_group_mask(group))) {
+ printk(KERN_CONT " (mask: %*pbl)",
+ cpumask_pr_args(sched_group_mask(group)));
+ }
+
if (group->sgc->capacity != SCHED_CAPACITY_SCALE) {
- printk(KERN_CONT " (cpu_capacity = %lu)",
+ printk(KERN_CONT " (cpu_capacity: %lu)",
group->sgc->capacity);
}
group = group->next;
+
+ if (group != sd->groups)
+ printk(KERN_CONT ",");
+
} while (group != sd->groups);
printk(KERN_CONT "\n");