ftrace: Access ret_stack->subtime only in the function profiler

[karo-tx-linux.git] / Documentation / trace / ftrace.txt

diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index a6b3705e62a692667524e97b4a6a8ff36a328371..185c39fea2a022b6c6a7910e07a925d9688f542f 100644 (file)
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -858,11 +858,11 @@ x494] <- /root/a.out[+0x4a8] <- /lib/libc-2.7.so[+0x1e1a6]
               When enabled, it will account time the task has been
               scheduled out as part of the function call.
 
-  graph-time - When running function graph tracer, to include the
-              time to call nested functions. When this is not set,
-              the time reported for the function will only include
-              the time the function itself executed for, not the time
-              for functions that it called.
+  graph-time - When running function profiler with function graph tracer,
+              to include the time to call nested functions. When this is
+              not set, the time reported for the function will only
+              include the time the function itself executed for, not the
+              time for functions that it called.
 
   record-cmd - When any event or tracer is enabled, a hook is enabled
               in the sched_switch trace point to fill comm cache