ltp: add periodic output for memcg stress test

(From OE-Core rev: 26e24d3983096cda7e7455a29eb94fca41dbb4e0)

Signed-off-by: Tudor Florea <tudor.florea@enea.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/ltp/ltp/0034-periodic_output.patch

@@ -0,0 +1,43 @@
+Add periodic output for long time test.
+
+This is needed in context of having scripts running ltp tests and
+waiting with a timeout for the output of the tests.
+
+Signed-off-by: Tudor Florea <tudor.florea@enea.com>
+Upstream-Status: Pending
+
+diff -ruN a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
+--- a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh	2013-11-08 15:54:09.515049081 +0100
++++ b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh	2013-11-08 22:32:15.587370406 +0100
+@@ -37,7 +37,8 @@
+         exit 0
+ fi
+ 
+-RUN_TIME=$(( 60 * 60 ))
++ONE_MINUTE=60
++RUN_TIME=60
+ 
+ cleanup()
+ {
+@@ -62,7 +63,7 @@
+ # $1 - Number of cgroups
+ # $2 - Allocated how much memory in one process? in MB
+ # $3 - The interval to touch memory in a process
+-# $4 - How long does this test run ? in second
++# $4 - How long does this test run ? in minutes
+ run_stress()
+ {
+ 	do_mount;
+@@ -81,7 +82,11 @@
+ 		eval /bin/kill -s SIGUSR1 \$pid$i 2> /dev/null
+ 	done
+ 
+-	sleep $4
++	for i in $(seq 0 $(($4-1)))
++	do
++		eval echo "Started $i min ago. Still alive... " 
++		sleep $ONE_MINUTE
++	done
+ 
+ 	for i in $(seq 0 $(($1-1)))
+ 	do

meta/recipes-extended/ltp/ltp_20160126.bb

@@ -60,6 +60,7 @@ SRC_URI = "git://github.com/linux-test-project/ltp.git \
            file://0031-vma03-fix-page-size-offset-as-per-page-size-alignmen.patch \
            file://0032-regen.sh-Include-asm-unistd.h-explicitly.patch \
            file://0033-shmat1-Cover-GNU-specific-code-under-__USE_GNU.patch \
+           file://0034-periodic_output.patch \
            "
 
 S = "${WORKDIR}/git"