diff --git a/src/drivers/nuttx/lv_nuttx_entry.c b/src/drivers/nuttx/lv_nuttx_entry.c
index 1754b6205..559f9bbac 100644
--- a/src/drivers/nuttx/lv_nuttx_entry.c
+++ b/src/drivers/nuttx/lv_nuttx_entry.c
@@ -12,6 +12,7 @@
 
 #include <time.h>
 #include <nuttx/tls.h>
+#include <nuttx/clock.h>
 #include <syslog.h>
 #include "lv_nuttx_cache.h"
 #include "lv_nuttx_image_cache.h"
@@ -158,6 +159,26 @@ void lv_nuttx_init(const lv_nuttx_dsc_t * dsc, lv_nuttx_result_t * result)
 #endif
 }
 
+#ifdef CONFIG_SCHED_CPULOAD
+
+uint32_t lv_nuttx_get_idle(void)
+{
+    struct cpuload_s cpuload;
+    int ret = clock_cpuload(0, &cpuload);
+    if(ret < 0) {
+        LV_LOG_WARN("clock_cpuload failed: %d", ret);
+        return 0;
+    }
+
+    uint32_t idle = cpuload.active * 100 / cpuload.total;
+    LV_LOG_TRACE("active = %" LV_PRIu32 ", total = %" LV_PRIu32,
+                 cpuload.active, cpuload.total);
+
+    return idle;
+}
+
+#endif
+
 /**********************
  *   STATIC FUNCTIONS
  **********************/
diff --git a/src/drivers/nuttx/lv_nuttx_entry.h b/src/drivers/nuttx/lv_nuttx_entry.h
index e54ec0a4c..2e0d8bd71 100644
--- a/src/drivers/nuttx/lv_nuttx_entry.h
+++ b/src/drivers/nuttx/lv_nuttx_entry.h
@@ -78,6 +78,12 @@ void lv_nuttx_init_custom(const lv_nuttx_dsc_t * dsc, lv_nuttx_result_t * result
 
 #endif /* LV_USE_NUTTX_CUSTOM_INIT */
 
+/**
+ * Get the idle percentage of the system.
+ * @return The idle percentage of the system.
+ */
+uint32_t lv_nuttx_get_idle(void);
+
 /**********************
  *      MACROS
  **********************/