These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / tools / testing / selftests / vm / run_vmtests

diff --git a/kernel/tools/testing/selftests/vm/run_vmtests b/kernel/tools/testing/selftests/vm/run_vmtests
index c87b681..e11968b 100755 (executable)
--- a/kernel/tools/testing/selftests/vm/run_vmtests
+++ b/kernel/tools/testing/selftests/vm/run_vmtests
@@ -20,13 +20,26 @@ done < /proc/meminfo
 if [ -n "$freepgs" ] && [ -n "$pgsize" ]; then
        nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
        needpgs=`expr $needmem / $pgsize`
-       if [ $freepgs -lt $needpgs ]; then
+       tries=2
+       while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do
                lackpgs=$(( $needpgs - $freepgs ))
+               echo 3 > /proc/sys/vm/drop_caches
                echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
                if [ $? -ne 0 ]; then
                        echo "Please run this test as root"
                        exit 1
                fi
+               while read name size unit; do
+                       if [ "$name" = "HugePages_Free:" ]; then
+                               freepgs=$size
+                       fi
+               done < /proc/meminfo
+               tries=$((tries - 1))
+       done
+       if [ $freepgs -lt $needpgs ]; then
+               printf "Not enough huge pages available (%d < %d)\n" \
+                      $freepgs $needpgs
+               exit 1
        fi
 else
        echo "no hugetlbfs support in kernel?"
@@ -75,10 +88,14 @@ else
        echo "[PASS]"
 fi
 
+echo "NOTE: The above hugetlb tests provide minimal coverage.  Use"
+echo "      https://github.com/libhugetlbfs/libhugetlbfs.git for"
+echo "      hugetlb regression testing."
+
 echo "--------------------"
-echo "running hugetlbfstest"
+echo "running userfaultfd"
 echo "--------------------"
-./hugetlbfstest
+./userfaultfd 128 32
 if [ $? -ne 0 ]; then
        echo "[FAIL]"
        exitcode=1
@@ -90,4 +107,38 @@ fi
 umount $mnt
 rm -rf $mnt
 echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
+
+echo "-----------------------"
+echo "running compaction_test"
+echo "-----------------------"
+./compaction_test
+if [ $? -ne 0 ]; then
+       echo "[FAIL]"
+       exitcode=1
+else
+       echo "[PASS]"
+fi
+
+echo "--------------------"
+echo "running on-fault-limit"
+echo "--------------------"
+sudo -u nobody ./on-fault-limit
+if [ $? -ne 0 ]; then
+       echo "[FAIL]"
+       exitcode=1
+else
+       echo "[PASS]"
+fi
+
+echo "--------------------"
+echo "running mlock2-tests"
+echo "--------------------"
+./mlock2-tests
+if [ $? -ne 0 ]; then
+       echo "[FAIL]"
+       exitcode=1
+else
+       echo "[PASS]"
+fi
+
 exit $exitcode