[PATCH 5/7] x86/resctrl: Add a new "snc_ways" file to the monitoring info directory.
From: Tony Luck <tony.luck@intel.com>
Date: 2023-01-26 18:42:52
Also in:
linux-patches, lkml
Subsystem:
rdt - resource allocation, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Tony Luck, Reinette Chatre, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
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@intel.com> --- 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