diff --git a/tools/testing/selftests/resctrl/Makefile b/tools/testing/selftests/resctrl/Makefile
index adfd92145e12..6d257f40e6ac 100644
--- a/tools/testing/selftests/resctrl/Makefile
+++ b/tools/testing/selftests/resctrl/Makefile
@@ -1,6 +1,7 @@
 #SPDX-License-Identifier: GPL-2.0
 
 CFLAGS += -g -Wall -O2 -D_FORTIFY_SOURCE=2
+LDLIBS += -lnuma
 
 TEST_GEN_PROGS := resctrl_tests
 EXTRA_SOURCES := $(wildcard *.c)
diff --git a/tools/testing/selftests/resctrl/cmt_test.c b/tools/testing/selftests/resctrl/cmt_test.c
index 8968e36db99d..c5a49444c5a0 100644
--- a/tools/testing/selftests/resctrl/cmt_test.c
+++ b/tools/testing/selftests/resctrl/cmt_test.c
@@ -136,8 +136,11 @@ int cmt_resctrl_val(int cpu_no, int n, char **benchmark_cmd)
 		return ret;
 
 	ret = check_results(&param, n);
-	if (ret)
+	if (ret) {
+		if (sub_numa_cluster_enable)
+			ksft_print_msg("Sub-NUMA Clustering(SNC) feature is enabled, the CMT counters may not be accurate.\n");
 		return ret;
+	}
 
 	cmt_test_cleanup();
 
diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c
index 8392e5c55ed0..7dc1bdf2d0b8 100644
--- a/tools/testing/selftests/resctrl/mbm_test.c
+++ b/tools/testing/selftests/resctrl/mbm_test.c
@@ -136,8 +136,11 @@ int mbm_bw_change(int span, int cpu_no, char *bw_report, char **benchmark_cmd)
 		return ret;
 
 	ret = check_results(span);
-	if (ret)
+	if (ret) {
+		if (sub_numa_cluster_enable)
+			ksft_print_msg("Sub-NUMA Clustering(SNC) feature is enabled, the MBM counters may not be accurate.\n");
 		return ret;
+	}
 
 	mbm_test_cleanup();
 
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 1ad10c47e31d..4b8ad4fbd016 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -76,6 +76,7 @@ extern pid_t bm_pid, ppid;
 
 extern char llc_occup_path[1024];
 extern bool is_amd;
+extern bool sub_numa_cluster_enable;
 
 bool check_resctrlfs_support(void);
 int filter_dmesg(void);
@@ -85,6 +86,7 @@ int umount_resctrlfs(void);
 int validate_bw_report_request(char *bw_report);
 bool validate_resctrl_feature_request(const char *resctrl_val);
 char *fgrep(FILE *inf, const char *str);
+char *fgrep_last_match_line(FILE *inf, const char *str);
 int taskset_benchmark(pid_t bm_pid, int cpu_no);
 void run_benchmark(int signum, siginfo_t *info, void *ucontext);
 int write_schemata(char *ctrlgrp, char *schemata, int cpu_no,
diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c
index 3be0895c492b..bbab4a7f37ed 100644
--- a/tools/testing/selftests/resctrl/resctrl_tests.c
+++ b/tools/testing/selftests/resctrl/resctrl_tests.c
@@ -8,12 +8,15 @@
  *    Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com>,
  *    Fenghua Yu <fenghua.yu@intel.com>
  */
+#include <numa.h>
+#include <string.h>
 #include "resctrl.h"
 
 #define BENCHMARK_ARGS		64
 #define BENCHMARK_ARG_SIZE	64
 
 bool is_amd;
+bool sub_numa_cluster_enable;
 
 void detect_amd(void)
 {
@@ -34,6 +37,35 @@ void detect_amd(void)
 	fclose(inf);
 }
 
+void check_sub_numa_cluster(void)
+{
+	FILE *inf = fopen("/proc/cpuinfo", "r");
+	char *res, *s;
+	int socket_num = 0;
+	int numa_nodes = 0;
+
+	if (!inf)
+		return;
+
+	res = fgrep_last_match_line(inf, "physical id");
+
+	if (res) {
+		s = strpbrk(res, "1234567890");
+		socket_num = atoi(s) + 1;
+		free(res);
+	}
+	fclose(inf);
+
+	numa_nodes = numa_max_node() + 1;
+
+	/*
+	 * when the Sub-NUMA Clustering(SNC) feature is enabled,
+	 * the number of numa nodes is twice the number of sockets.
+	 */
+	if (numa_nodes == (2 * socket_num))
+		sub_numa_cluster_enable = true;
+}
+
 static void cmd_help(void)
 {
 	printf("usage: resctrl_tests [-h] [-b \"benchmark_cmd [options]\"] [-t test list] [-n no_of_bits]\n");
@@ -210,6 +242,10 @@ int main(int argc, char **argv)
 	/* Detect AMD vendor */
 	detect_amd();
 
+	/* check whether sub numa clustering is enable or not */
+	if (!is_amd)
+		check_sub_numa_cluster();
+
 	if (has_ben) {
 		/* Extract benchmark command from command line. */
 		for (i = ben_ind; i < argc; i++) {
diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
index 5f5a166ade60..1908ecb14b70 100644
--- a/tools/testing/selftests/resctrl/resctrlfs.c
+++ b/tools/testing/selftests/resctrl/resctrlfs.c
@@ -605,6 +605,32 @@ char *fgrep(FILE *inf, const char *str)
 	return NULL;
 }
 
+/*
+ * Find the last matched line.
+ * Return a pointer to the string of the matched line,
+ * else retuen NULL if no matched line
+ */
+char *fgrep_last_match_line(FILE *inf, const char *str)
+{
+	char line[256];
+	char result_line[256];
+	int slen = strlen(str);
+
+	while (!feof(inf)) {
+		if (!fgets(line, 256, inf))
+			break;
+		if (strncmp(line, str, slen))
+			continue;
+
+		strcpy(result_line, line);
+	}
+
+	if (strlen(result_line) >= slen)
+		return strdup(result_line);
+
+	return NULL;
+}
+
 /*
  * validate_resctrl_feature_request - Check if requested feature is valid.
  * @resctrl_val:	Requested feature
