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diff --git a/test-tools/perf-test-ncmp-passthrough-read.sh b/test-tools/perf-test-ncmp-passthrough-read.sh
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+#!/bin/bash
+#
+# Copyright 2024 Nordix Foundation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script measures the performance of NCMP data passthrough operations:
+# NCMP endpoint tested: /ncmp/v1/ch/{cmHandleId}/data/ds/{datastoreName}
+
+set -o errexit # Exit on most errors
+set -o nounset # Disallow expansion of unset variables
+set -o pipefail # Use last non-zero exit code in a pipeline
+#set -o xtrace # Uncomment for debugging
+
+############################
+# Configuration parameters #
+############################
+CPS_HOST=localhost
+CPS_PORT=8883
+CPS_USERNAME=cpsuser
+CPS_PASSWORD=cpsr0cks!
+PARALLEL_REQUESTS=12
+WARMUP_REQUESTS=600
+MEASUREMENT_REQUESTS=240
+
+SCRIPT_DIR=$(dirname -- "${BASH_SOURCE[0]}")
+# Read DMI delay from docker-compose.yml
+DMI_DATA_DELAY=$(grep 'DATA_FOR_CM_HANDLE_DELAY_MS:' "$SCRIPT_DIR"/../docker-compose/docker-compose.yml | grep -oE '[0-9]+')
+
+function cmHandleExists() {
+ local cmHandleId=$1
+ curl --silent --fail --output /dev/null --user "$CPS_USERNAME:$CPS_PASSWORD" --basic "http://$CPS_HOST:$CPS_PORT/ncmp/v1/ch/$cmHandleId"
+}
+
+function failIfCmHandlesNotFound() {
+ # Just check to see if last needed CM-handle exists
+ local MAX_NEEDED_CM_HANDLES=$((WARMUP_REQUESTS > MEASUREMENT_REQUESTS ? WARMUP_REQUESTS : MEASUREMENT_REQUESTS))
+ local cmHandleId="ch-$MAX_NEEDED_CM_HANDLES"
+ if ! cmHandleExists "$cmHandleId"; then
+ echo "ERROR: CM-handles not registered ($cmHandleId not found)" >&2
+ echo "Note: this test assumes CM-handles have IDs ch-1, ch-2... ch-$MAX_NEEDED_CM_HANDLES" >&2
+ exit 1
+ fi
+}
+
+function warnIfLessThan20kCmHandlesFound() {
+ local cmHandleId='ch-20000'
+ if ! cmHandleExists "$cmHandleId"; then
+ echo "WARNING: testing with less than 20,000 CM-handles is not recommended ($cmHandleId not found)" >&2
+ fi
+}
+
+function measureAverageResponseTimeInMillis() {
+ local totalRequests=$1
+ curl --show-error --fail --fail-early \
+ --output /dev/null --write-out '%{time_total}\n' \
+ --parallel --parallel-max $PARALLEL_REQUESTS --parallel-immediate \
+ --user "$CPS_USERNAME:$CPS_PASSWORD" --basic \
+ --request POST "http://$CPS_HOST:$CPS_PORT/ncmp/v1/ch/ch-[1-$totalRequests]/data/ds/ncmp-datastore%3Apassthrough-operational?resourceIdentifier=x&include-descendants=true" |
+ awk '{ sum += $1; n++ } END { if (n > 0) print (sum / n) * 1000; }'
+}
+
+# Sanity checks
+failIfCmHandlesNotFound
+warnIfLessThan20kCmHandlesFound
+
+# Do JVM warmup
+echo "Warming up ($WARMUP_REQUESTS requests, ignoring results)"
+measureAverageResponseTimeInMillis "$WARMUP_REQUESTS" > /dev/null
+
+# Measure performance
+echo "Measuring average time of $MEASUREMENT_REQUESTS total requests, sending $PARALLEL_REQUESTS requests in parallel"
+ncmpResponseTime=$(measureAverageResponseTimeInMillis "$MEASUREMENT_REQUESTS")
+ncmpOverhead=$(echo "$ncmpResponseTime - $DMI_DATA_DELAY" | bc)
+
+# Report performance
+echo "Average response time from NCMP: $ncmpResponseTime ms"
+echo "Average response time from DMI: $DMI_DATA_DELAY ms"
+echo "NCMP overhead: $ncmpOverhead ms"