Index: src/tests/preempt_longrun/Makefile.am
===================================================================
--- src/tests/preempt_longrun/Makefile.am	(revision 1449d83d58f534d045be59bb9bcd5ecab96c5519)
+++ src/tests/preempt_longrun/Makefile.am	(revision 92f8e186429e9bdf92b7aeb6a8defdbbf5ec2dfd)
@@ -20,4 +20,5 @@
 
 REPEAT = ${abs_top_srcdir}/tools/repeat
+TIME = /usr/bin/time -f "%E"
 
 BUILD_FLAGS = -g -Wall -Wno-unused-function -quiet @CFA_FLAGS@ -debug -O2 -DPREEMPTION_RATE=${preempt}
@@ -42,4 +43,9 @@
 	@ echo -e "${<}: SUCCESS\n"
 
-${REPEAT}: 
+%.time : % ${REPEAT}
+	@ ${REPEAT} -i -s -- $(repeats) $(TIME) -a -o times.log ./${<}
+	@ rm ${<}
+	@ echo -e "${<}: SUCCESS\n"
+
+${REPEAT}:
 	@+make -C ${abs_top_srcdir}/tools/
Index: src/tests/preempt_longrun/Makefile.in
===================================================================
--- src/tests/preempt_longrun/Makefile.in	(revision 1449d83d58f534d045be59bb9bcd5ecab96c5519)
+++ src/tests/preempt_longrun/Makefile.in	(revision 92f8e186429e9bdf92b7aeb6a8defdbbf5ec2dfd)
@@ -452,4 +452,5 @@
 preempt = 1_000ul
 REPEAT = ${abs_top_srcdir}/tools/repeat
+TIME = /usr/bin/time -f "%E"
 BUILD_FLAGS = -g -Wall -Wno-unused-function -quiet @CFA_FLAGS@ -debug -O2 -DPREEMPTION_RATE=${preempt}
 TESTS = block create disjoint enter enter3 processor stack wait yield
@@ -879,5 +880,10 @@
 	@ echo -e "${<}: SUCCESS\n"
 
-${REPEAT}: 
+%.time : % ${REPEAT}
+	@ ${REPEAT} -i -s -- $(repeats) $(TIME) -a -o times.log ./${<}
+	@ rm ${<}
+	@ echo -e "${<}: SUCCESS\n"
+
+${REPEAT}:
 	@+make -C ${abs_top_srcdir}/tools/