Make it easy for the user to tell if Sub-NUMA Cluster is enabled by
providing an info/ file.
Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
---
arch/x86/kernel/cpu/resctrl/rdtgroup.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index a0dc64a70d01..392e7a08d083 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -997,6 +997,14 @@ static int rdt_num_rmids_show(struct kernfs_open_file *of,
return 0;
}
+static int rdt_snc_ways_show(struct kernfs_open_file *of,
+ struct seq_file *seq, void *v)
+{
+ seq_printf(seq, "%d\n", snc_ways);
+
+ return 0;
+}
+
static int rdt_mon_features_show(struct kernfs_open_file *of,
struct seq_file *seq, void *v)
{
@@ -1451,6 +1459,13 @@ static struct rftype res_common_files[] = {
.seq_show = rdt_num_rmids_show,
.fflags = RF_MON_INFO,
},
+ {
+ .name = "snc_ways",
+ .mode = 0444,
+ .kf_ops = &rdtgroup_kf_single_ops,
+ .seq_show = rdt_snc_ways_show,
+ .fflags = RF_MON_INFO,
+ },
{
.name = "cbm_mask",
.mode = 0444,
--
2.39.1
