LU-12341 tests: Add kmemleak awareness to test-framework

[fs/lustre-release.git] / lustre / scripts / lustre_rmmod

diff --git a/lustre/scripts/lustre_rmmod b/lustre/scripts/lustre_rmmod
index a2dfd0a..53c8ae2 100755 (executable)
--- a/lustre/scripts/lustre_rmmod
+++ b/lustre/scripts/lustre_rmmod
@@ -35,8 +35,26 @@ if [ -z "$modules" ] || [ "$modules" = "ldiskfs" ]; then
        modules="ptlrpc lnet_selftest ldiskfs libcfs"
 fi
 
+if [ -f /sys/kernel/debug/kmemleak ] ; then
+       cat /proc/modules >/tmp/kmemleak-modules-list.txt
+       echo scan > /sys/kernel/debug/kmemleak
+       cat /sys/kernel/debug/kmemleak > /tmp/kmemleak-before-unload.txt
+       test -s /tmp/kmemleak-before-unload.txt && logger -t leak-pre -f /tmp/kmemleak-before-unload.txt
+       rm /tmp/kmemleak-before-unload.txt
+       # Clear everything here so that only new leaks show up
+       # after module unload
+       echo clear > /sys/kernel/debug/kmemleak
+fi
+
 for mod in $modules; do
        unload_dep_modules_inclusive $mod || exit 1
 done
 
+if [ -f /sys/kernel/debug/kmemleak ] ; then
+       echo scan > /sys/kernel/debug/kmemleak
+       cat /sys/kernel/debug/kmemleak > /tmp/kmemleak-after-unload.txt
+       test -s /tmp/kmemleak-after-unload.txt && logger -t leak-mods -f /tmp/kmemleak-modules-list.txt && logger -t leak-post -f /tmp/kmemleak-after-unload.txt
+       rm -f /tmp/kmemleak-after-unload.txt /tmp/kmemleak-modules-list.txt
+fi
+
 exit 0