diff --git a/perfmetrics/scripts/continuous_test/gcp_ubuntu/build.sh b/perfmetrics/scripts/continuous_test/gcp_ubuntu/build.sh
index 1fd1abfd8d..07cdf53137 100755
--- a/perfmetrics/scripts/continuous_test/gcp_ubuntu/build.sh
+++ b/perfmetrics/scripts/continuous_test/gcp_ubuntu/build.sh
@@ -92,7 +92,7 @@ LOG_FILE_RENAME_TESTS_FLAT=${KOKORO_ARTIFACTS_DIR}/gcsfuse-logs-rename-flat.txt
 GCSFUSE_HNS_FLAGS="$COMMON_MOUNT_FLAGS --log-file $LOG_FILE_RENAME_TESTS_HNS --stackdriver-export-interval=30s"
 GCSFUSE_FLAT_FLAGS="$COMMON_MOUNT_FLAGS --log-file $LOG_FILE_RENAME_TESTS_FLAT --implicit-dirs --rename-dir-limit=1000000 --stackdriver-export-interval=30s"
 ./run_rename_benchmark.sh $GCSFUSE_HNS_FLAGS $GCSFUSE_FLAT_FLAGS $UPLOAD_FLAGS
-
+cd ".."
 
 # TODO: Testing for hns bucket with client protocol set to grpc. To be done when
 #  includeFolderAsPrefixes is supported in grpc.
diff --git a/perfmetrics/scripts/continuous_test/gcp_ubuntu/continuous.cfg b/perfmetrics/scripts/continuous_test/gcp_ubuntu/continuous.cfg
index af8a3adfcf..4a0d05fa24 100644
--- a/perfmetrics/scripts/continuous_test/gcp_ubuntu/continuous.cfg
+++ b/perfmetrics/scripts/continuous_test/gcp_ubuntu/continuous.cfg
@@ -14,12 +14,12 @@
 
 action {
   define_artifacts {
-    regex: "gcsfuse-logs-fio-hns.txt"
-    regex: "gcsfuse-logs-ls-hns.txt"
-    regex: "gcsfuse-logs-fio-flat.txt"
-    regex: "gcsfuse-logs-ls-flat.txt"
-    regex: "gcsfuse-logs-rename-hns.txt"
-    regex: "gcsfuse-logs-rename-flat.txt"
+    regex: "gcsfuse-logs-fio-hns\.txt"
+    regex: "gcsfuse-logs-ls-hns\.txt"
+    regex: "gcsfuse-logs-fio-flat\.txt"
+    regex: "gcsfuse-logs-ls-flat\.txt"
+    regex: "gcsfuse-logs-rename-hns\.txt"
+    regex: "gcsfuse-logs-rename-flat\.txt"
     regex: "github/gcsfuse/perfmetrics/scripts/fio-output.json"
     strip_prefix: "github/gcsfuse/perfmetrics/scripts"
   }
diff --git a/perfmetrics/scripts/hns_rename_folders_metrics/renaming_benchmark.py b/perfmetrics/scripts/hns_rename_folders_metrics/renaming_benchmark.py
index 16228ef53e..c8934cd70e 100644
--- a/perfmetrics/scripts/hns_rename_folders_metrics/renaming_benchmark.py
+++ b/perfmetrics/scripts/hns_rename_folders_metrics/renaming_benchmark.py
@@ -13,8 +13,8 @@
 
 # limitations under the License.
 # To run the script,run in terminal:
-# python3 renaming_benchmark.py config.json bucket_type  [--upload_gs] \
-# [--num_samples NUM_SAMPLES]
+# python3 renaming_benchmark.py dir-config.json bucket_type  gcsfuse_mount_flags \
+# [--upload_gs]  [--num_samples NUM_SAMPLES]
 # where dir-config.json file contains the directory structure details for the test.
 
 import os
@@ -295,7 +295,7 @@ def _record_time_of_operation(mount_point, dir, num_samples):
   time_interval_for_vm_metrics={}
   # Collecting metrics for non-nested folders.
   for folder in dir["folders"]["folder_structure"]:
-    log.info("Testing started for {}".folder["name"])
+    log.info("Testing started for {}".format(folder["name"]))
     results[folder["name"]],time_interval = _record_time_for_folder_rename(mount_point,folder,num_samples)
     time_interval_for_vm_metrics[folder["name"]]=[time_interval[0][0],time_interval[-1][-1]]
 
@@ -371,8 +371,6 @@ def _parse_arguments(argv):
       'gcsfuse_flags',
       help='Gcsfuse flags for mounting the tests bucket.',
       action='store',
-      nargs=1,
-      required=True,
   )
   parser.add_argument(
       '--upload_gs',
diff --git a/perfmetrics/scripts/hns_rename_folders_metrics/run_rename_benchmark.sh b/perfmetrics/scripts/hns_rename_folders_metrics/run_rename_benchmark.sh
index cb76a4796f..8ca46d4829 100755
--- a/perfmetrics/scripts/hns_rename_folders_metrics/run_rename_benchmark.sh
+++ b/perfmetrics/scripts/hns_rename_folders_metrics/run_rename_benchmark.sh
@@ -29,6 +29,7 @@ echo "Installing Ops Agent on Vm"
 curl -sSO https://dl.google.com/cloudagents/add-google-cloud-ops-agent-repo.sh
 sudo bash add-google-cloud-ops-agent-repo.sh --also-install
 
+echo "Upgrading gcloud version"
 ../upgrade_gcloud.sh
 
 GCSFUSE_HNS_FLAGS=$1
@@ -36,9 +37,6 @@ GCSFUSE_FLAT_FLAGS=$2
 UPLOAD_FLAGS=$3
 gsutil cp gs://periodic-perf-tests/creds.json ../gsheet/
 
-echo "Upgrading gcloud version"
-../upgrade_gcloud.sh
-
 # Uncomment the following 2 lines to run the benchmark on flat bucket.
 #echo "Running renaming benchmark on flat bucket"
 #python3 renaming_benchmark.py config-flat.json flat "$GCSFUSE_FLAT_FLAGS" "$UPLOAD_FLAGS"
diff --git a/perfmetrics/scripts/upgrade_gcloud.sh b/perfmetrics/scripts/upgrade_gcloud.sh
index bee0176b7e..36e12d445a 100755
--- a/perfmetrics/scripts/upgrade_gcloud.sh
+++ b/perfmetrics/scripts/upgrade_gcloud.sh
@@ -13,15 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+set -e
 sudo apt-get update
 # Upgrade gcloud version.
 # Kokoro machine's outdated gcloud version prevents the use of the "gcloud storage" feature.
 gcloud version
 wget -O gcloud.tar.gz https://dl.google.com/dl/cloudsdk/channels/rapid/google-cloud-sdk.tar.gz -q
-sudo tar xzf gcloud.tar.gz && sudo cp -r google-cloud-sdk /usr/local && sudo rm -r google-cloud-sdk
+sudo tar xzf gcloud.tar.gz && sudo mv google-cloud-sdk /usr/local
 sudo /usr/local/google-cloud-sdk/install.sh
 export PATH=/usr/local/google-cloud-sdk/bin:$PATH
 echo 'export PATH=/usr/local/google-cloud-sdk/bin:$PATH' >> ~/.bashrc
 gcloud version && rm gcloud.tar.gz
-sudo /usr/local/google-cloud-sdk/bin/gcloud components update
-sudo /usr/local/google-cloud-sdk/bin/gcloud components install alpha
+sudo gcloud components update
+sudo gcloud components install alpha