Messages in this thread Patch in this message | | | From | Vitalii Bursov <> | Subject | [PATCH v4 2/3] sched/debug: dump domains' level | Date | Tue, 30 Apr 2024 18:05:24 +0300 |
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Knowing domain's level exactly can be useful when setting relax_domain_level or cpuset.sched_relax_domain_level
Usage: cat /debug/sched/domains/cpu0/domain1/level to dump cpu0 domain1's level.
SDM macro is not used because sd->level is int and it would hide the type mismatch between int and u32.
Signed-off-by: Vitalii Bursov <vitaly@bursov.com> Acked-by: Vincent Guittot <vincent.guittot@linaro.org> Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com> --- kernel/sched/debug.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 8d5d98a5834d..c1eb9a1afd13 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -425,6 +425,7 @@ static void register_sd(struct sched_domain *sd, struct dentry *parent) debugfs_create_file("flags", 0444, parent, &sd->flags, &sd_flags_fops); debugfs_create_file("groups_flags", 0444, parent, &sd->groups->flags, &sd_flags_fops); + debugfs_create_u32("level", 0444, parent, (u32 *)&sd->level); } void update_sched_domain_debugfs(void) -- 2.20.1
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