tracing: Add additional marks to signal very large time deltas

[uclinux-h8/linux.git] / Documentation / trace / ftrace.txt

diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index f10f5f5..8408e04 100644 (file)
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -685,9 +685,11 @@ The above is mostly meaningful for kernel developers.
         needs to be fixed to be only relative to the same CPU.
         The marks are determined by the difference between this
         current trace and the next trace.
-         '!' - greater than preempt_mark_thresh (default 100)
-         '+' - greater than 1 microsecond
-         ' ' - less than or equal to 1 microsecond.
+         '$' - greater than 1 second
+         '#' - greater than 1000 microsecond
+         '!' - greater than 100 microsecond
+         '+' - greater than 10 microsecond
+         ' ' - less than or equal to 10 microsecond.
 
   The rest is the same as the 'trace' file.
 
@@ -1956,6 +1958,8 @@ want, depending on your needs.
 
   + means that the function exceeded 10 usecs.
   ! means that the function exceeded 100 usecs.
+  # means that the function exceeded 1000 usecs.
+  $ means that the function exceeded 1 sec.
 
 
 - The task/pid field displays the thread cmdline and pid which