Support for measurement code from bbbdiss

2 files changed, 4 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index a32772541d0e..4a479d634ea2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 0
 SUBLEVEL = 0
-EXTRAVERSION =-litmus
+EXTRAVERSION =-litmus2012.2-splitting-jerickso
 NAME = Sneaky Weasel
 
 # *DOCUMENTATION*
diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h
index 6c05b14e7ce4..c6264d01d47e 100644
--- a/include/litmus/rt_param.h
+++ b/include/litmus/rt_param.h
@@ -92,6 +92,9 @@ union np_flag {
 struct control_page {
         volatile union np_flag sched;
 
+        /* locking overhead tracing: time stamp prior to system call */
+        uint64_t ts_syscall_start; /* Feather-Trace cycles */
+
         /* to be extended */
 };