1 files changed, 65 insertions, 1 deletions

diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c
index f406adc40bad..2ead98169cf5 100644
--- a/tools/power/cpupower/utils/helpers/misc.c
+++ b/tools/power/cpupower/utils/helpers/misc.c
@@ -1,8 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
-#if defined(__i386__) || defined(__x86_64__)
+
+#include <stdio.h>
+#include <stdlib.h>
 
 #include "helpers/helpers.h"
 
+#if defined(__i386__) || defined(__x86_64__)
+
 #define MSR_AMD_HWCR	0xc0010015
 
 int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active,
@@ -41,3 +45,63 @@ int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active,
 	return 0;
 }
 #endif /* #if defined(__i386__) || defined(__x86_64__) */
+
+/* get_cpustate
+ *
+ * Gather the information of all online CPUs into bitmask struct
+ */
+void get_cpustate(void)
+{
+	unsigned int cpu = 0;
+
+	bitmask_clearall(online_cpus);
+	bitmask_clearall(offline_cpus);
+
+	for (cpu = bitmask_first(cpus_chosen);
+		cpu <= bitmask_last(cpus_chosen); cpu++) {
+
+		if (cpupower_is_cpu_online(cpu) == 1)
+			bitmask_setbit(online_cpus, cpu);
+		else
+			bitmask_setbit(offline_cpus, cpu);
+
+		continue;
+	}
+}
+
+/* print_online_cpus
+ *
+ * Print the CPU numbers of all CPUs that are online currently
+ */
+void print_online_cpus(void)
+{
+	int str_len = 0;
+	char *online_cpus_str = NULL;
+
+	str_len = online_cpus->size * 5;
+	online_cpus_str = (void *)malloc(sizeof(char) * str_len);
+
+	if (!bitmask_isallclear(online_cpus)) {
+		bitmask_displaylist(online_cpus_str, str_len, online_cpus);
+		printf(_("Following CPUs are online:\n%s\n"), online_cpus_str);
+	}
+}
+
+/* print_offline_cpus
+ *
+ * Print the CPU numbers of all CPUs that are offline currently
+ */
+void print_offline_cpus(void)
+{
+	int str_len = 0;
+	char *offline_cpus_str = NULL;
+
+	str_len = offline_cpus->size * 5;
+	offline_cpus_str = (void *)malloc(sizeof(char) * str_len);
+
+	if (!bitmask_isallclear(offline_cpus)) {
+		bitmask_displaylist(offline_cpus_str, str_len, offline_cpus);
+		printf(_("Following CPUs are offline:\n%s\n"), offline_cpus_str);
+		printf(_("cpupower set operation was not performed on them\n"));
+	}
+}