diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 2e8010e6f..8ed5367ea 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -329,6 +329,7 @@ static int sysrq_use_leftctrl_sysctl_handler(struct ctl_table * table ,int write
 
 extern int sysctl_min_epoll_wait_time;
 extern int sysctl_clocksource_switch_unstable_cs;
+extern int sysctl_clocksource_unstable_cnt;
 
 static struct ctl_table kern_table[] = {
 	{
@@ -1345,6 +1346,13 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+	{
+		.procname	= "clocksource_unstable_cnt",
+		.data		= &sysctl_clocksource_unstable_cnt,
+		.maxlen		= sizeof(int),
+		.mode		= 0444,
+		.proc_handler	= proc_dointvec,
+	},
 	{ }
 };
 
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index a0e5a6d6c..4d67f9efd 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -37,6 +37,7 @@
 #include "timekeeping_internal.h"
 
 int sysctl_clocksource_switch_unstable_cs = 0;
+int sysctl_clocksource_unstable_cnt = 0;
 
 /**
  * clocks_calc_mult_shift - calculate mult/shift factors for scaled math of clocks
@@ -231,6 +232,7 @@ static void clocksource_watchdog(unsigned long data)
 				watchdog->name, wdnow, wdlast, watchdog->mask);
 			pr_warn("                      '%s' cs_now: %llx cs_last: %llx mask: %llx\n",
 				cs->name, csnow, cslast, cs->mask);
+			sysctl_clocksource_unstable_cnt++;
 			if (sysctl_clocksource_switch_unstable_cs) {
 				__clocksource_unstable(cs);
 				continue;