[PATCH] tracing: Use task_nice() in function __update_max_tr() to get the nice value of task.

[Dongsheng Yang]

There is already a function named task_nice in sched.h to get the nice value
of task_struct. We can use it in __update_max_tr() rather than calculate it
manually.

Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
---
 kernel/trace/trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 9d20cd9..ec149b4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -970,7 +970,7 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 	else
 		max_data->uid = task_uid(tsk);
 
-	max_data->nice = tsk->static_prio - 20 - MAX_RT_PRIO;
+	max_data->nice = task_nice(tsk);
 	max_data->policy = tsk->policy;
 	max_data->rt_priority = tsk->rt_priority;
 
-- 
1.8.2.1

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