1 files changed, 10 insertions, 0 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 41f026bfc9ed..95fff37ed970 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -541,6 +541,16 @@ print_graph_function(struct trace_iterator *iter)
 }
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
 
+extern int ftrace_pid_trace;
+
+static inline int ftrace_trace_task(struct task_struct *task)
+{
+        if (ftrace_pid_trace < 0)
+                return 1;
+
+        return test_tsk_trace_trace(task);
+}
+
 /*
  * trace_iterator_flags is an enumeration that defines bit
  * positions into trace_flags that controls the output.