2 files changed, 20 insertions, 0 deletions

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 6b32391260a0..c74c78d28699 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1291,6 +1291,7 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev)
         mutex_unlock(&cdev->lock);
         cdev->ops->set_cur_state(cdev, target);
         cdev->updated = true;
+        trace_cdev_update(cdev, target);
         dev_dbg(&cdev->device, "set to state %lu\n", target);
 }
 EXPORT_SYMBOL(thermal_cdev_update);
diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h
index 8c5ca96eccd6..894a79ea0686 100644
--- a/include/trace/events/thermal.h
+++ b/include/trace/events/thermal.h
@@ -32,6 +32,25 @@ TRACE_EVENT(thermal_temperature,
                 __entry->temp)
 );
 
+TRACE_EVENT(cdev_update,
+
+        TP_PROTO(struct thermal_cooling_device *cdev, unsigned long target),
+
+        TP_ARGS(cdev, target),
+
+        TP_STRUCT__entry(
+                __string(type, cdev->type)
+                __field(unsigned long, target)
+        ),
+
+        TP_fast_assign(
+                __assign_str(type, cdev->type);
+                __entry->target = target;
+        ),
+
+        TP_printk("type=%s target=%lu", __get_str(type), __entry->target)
+);
+
 #endif /* _TRACE_THERMAL_H */
 
 /* This part must be outside protection */