The test is issuing larger IO workload. This depends on being able to
allocate larger chucks of linear memory. nvme-cli used to use libhugetbl
to automatically allocate the HugeTBL pool. Though nvme-cli dropped the
dependency on the library, thus the test needs to provision the system
accordingly.
Reported-by: Yi Zhang <yi.zhang@xxxxxxxxxx>
Tested-by: Yi Zhang <yi.zhang@xxxxxxxxxx>
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
---
tests/nvme/029 | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tests/nvme/029 b/tests/nvme/029
index db6e8b91f707..7833fd29e235 100755
--- a/tests/nvme/029
+++ b/tests/nvme/029
@@ -54,6 +54,7 @@ test() {
_setup_nvmet
local nvmedev
+ local reset_nr_hugepages=false
_nvmet_target_setup
@@ -62,6 +63,11 @@ test() {
nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
_check_uuid "${nvmedev}"
+ if [[ "$(cat /proc/sys/vm/nr_hugepages)" -eq 0 ]]; then
+ echo 20 > /proc/sys/vm/nr_hugepages
+ reset_nr_hugepages=true
+ fi
+
local dev="/dev/${nvmedev}n1"
test_user_io "$dev" 1 512 > "$FULL" 2>&1 || echo FAIL
test_user_io "$dev" 1 511 > "$FULL" 2>&1 || echo FAIL
@@ -70,6 +76,10 @@ test() {
test_user_io "$dev" 511 1023 > "$FULL" 2>&1 || echo FAIL
test_user_io "$dev" 511 1025 > "$FULL" 2>&1 || echo FAIL
+ if [[ ${reset_nr_hugepages} = true ]]; then
+ echo 0 > /proc/sys/vm/nr_hugepages
+ fi
+
_nvme_disconnect_subsys "${def_subsysnqn}" >> "$FULL" 2>&1
_nvmet_target_cleanup
--
2.43.1
