diff options
| author | K Prateek Nayak <kprateek.nayak@amd.com> | 2025-04-09 05:34:46 +0000 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-04-16 21:09:11 +0200 |
| commit | 44671e21e3463f36f6c6e4b691216f60e85840e4 (patch) | |
| tree | 860d7acb00ac3f4ae6f98a5fe60b89f8b1438d06 | |
| parent | 8157fbc907452aa5674df2de23c1c7305c907006 (diff) | |
sched/debug: Print the local group's asym_prefer_cpu
Add a file to read local group's "asym_prefer_cpu" from debugfs. This
information was useful when debugging issues where "asym_prefer_cpu" was
incorrectly set to a CPU with a lower asym priority.
Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250409053446.23367-5-kprateek.nayak@amd.com
| -rw-r--r-- | kernel/sched/debug.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 56ae54e0ce6a..557246880a7e 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -588,6 +588,10 @@ 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); + + if (sd->flags & SD_ASYM_PACKING) + debugfs_create_u32("group_asym_prefer_cpu", 0444, parent, + (u32 *)&sd->groups->asym_prefer_cpu); } void update_sched_domain_debugfs(void) |