Merge pull request #7294 from jeromecoutant/PR_GREENTEA_STAT

Add CPU stats for greentea tests

Author: Cruz Monrreal

features/frameworks/greentea-client/source/greentea_metrics.cpp

@@ -39,6 +39,10 @@ static char buf[128];
 static SingletonPtr<CircularBuffer<thread_info_t, THREAD_BUF_COUNT> > queue;
 #endif
 
+#if defined(MBED_CPU_STATS_ENABLED)
+static void send_CPU_info(void);
+#endif
+
 static void send_heap_info(void);
 #if defined(MBED_STACK_STATS_ENABLED) && MBED_STACK_STATS_ENABLED
 static void send_stack_info(void);
@@ -65,7 +69,23 @@ void greentea_metrics_report()
     send_stack_info();
     Thread::attach_terminate_hook(NULL);
 #endif
+#if defined(MBED_CPU_STATS_ENABLED)
+    send_CPU_info();
+#endif
+}
+
+#if defined(MBED_CPU_STATS_ENABLED)
+static void send_CPU_info()
+{
+    mbed_stats_cpu_t stats;
+    mbed_stats_cpu_get(&stats);
+
+    greentea_send_kv("__cpu_info        up time", stats.uptime);
+    greentea_send_kv("__cpu_info     sleep time", stats.sleep_time);
+    greentea_send_kv("__cpu_info deepsleep time", stats.deep_sleep_time);
+    greentea_send_kv("__cpu_info  %  sleep/deep", (stats.sleep_time * 100) / stats.uptime, (stats.deep_sleep_time * 100) / stats.uptime);
 }
+#endif
 
 static void send_heap_info()
 {