metrics: Add Tensorflow ResNet50 int8 benchmark

This PR adds the Tensorflow ResNet50 int8 script for kata metrics.

Fixes #7652

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>

tests/metrics/machine_learning/tensorflow_resnet50_int8.sh

@@ -0,0 +1,155 @@
+#!/bin/bash
+#
+# Copyright (c) 2023 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -o pipefial
+
+# General env
+SCRIPT_PATH=$(dirname "$(readlink -f "$0")")
+source "${SCRIPT_PATH}/../lib/common.bash"
+
+IMAGE="docker.io/library/resnet50int8:latest"
+DOCKERFILE="${SCRIPT_PATH}/resnet50_int8/Dockerfile"
+tensorflow_file=$(mktemp tensorflowresults.XXXXXXXXXX)
+NUM_CONTAINERS="$1"
+TIMEOUT="$2"
+TEST_NAME="tensorflow-resnet50int8"
+PAYLOAD_ARGS="tail -f /dev/null"
+TESTDIR="${TESTDIR:-/testdir}"
+# Options to control the start of the workload using a trigger-file
+dst_dir="/host"
+src_dir=$(mktemp --tmpdir -d tensorflowresnet50int8.XXXXXXXXXX)
+MOUNT_OPTIONS="type=bind,src=$src_dir,dst=$dst_dir,options=rbind:ro"
+start_script="resnet50_start.sh"
+# CMD points to the script that starts the workload
+# export DNNL_MAX_CPU_ISA=AVX512_CORE_AMX
+CMD="export KMP_AFFINITY=granularity=fine,verbose,compact && export OMP_NUM_THREADS=16 && $dst_dir/$start_script"
+guest_trigger_file="$dst_dir/$trigger_file"
+host_trigger_file="$src_dir/$trigger_file"
+INITIAL_NUM_PIDS=1
+CMD_FILE="cat results | grep 'Throughput' | wc -l"
+CMD_RESULTS="cat results | grep 'Throughput' | cut -d':' -f2 | cut -d' ' -f2 | tr '\n' ','"
+
+function remove_tmp_file() {
+	rm -rf "${tensorflow_file}"
+}
+
+trap remove_tmp_file EXIT
+
+function help() {
+cat << EOF
+Usage: $0 <count> <timeout>
+	Description:
+		This script launches n number of containers
+		to run the ResNet50 int8 using a Tensorflow
+		container.
+	Options:
+		<count> : Number of containers to run.
+		<timeout> : Timeout to launch the containers.
+EOF
+}
+
+function create_start_script() {
+	local script="${src_dir}/${start_script}"
+	rm -rf "${script}"
+
+cat <<EOF >>"${script}"
+#!/bin/bash
+python3.8 models/benchmarks/launch_benchmark.py --benchmark-only --framework tensorflow --model-name resnet50  --precision int8 --mode inference --in-graph /resnet50_int8_pretrained_model.pb --batch-size 116 --num-intra-threads 16 >> results
+EOF
+	chmod +x "${script}"
+}
+
+function resnet50_int8_test() {
+	info "Running ResNet50 Int8 Tensorflow test"
+	local pids=()
+	local j=0
+	for i in "${containers[@]}"; do
+		$(sudo -E "${CTR_EXE}" t exec --exec-id "$(random_name)" "${i}" sh -c "${CMD}")&
+		pids["${j}"]=$!
+		((j++))
+	done
+
+	# wait for all pids
+	for pid in ${pids[*]}; do
+		wait "${pid}"
+	done
+
+	touch "${host_trigger_file}"
+	info "All containers are running the workload..."
+	collect_results "${CMD_FILE}"
+
+	for i in "${containers[@]}"; do
+		sudo -E "${CTR_EXE}" t exec --exec-id "$(random_name)" "${i}" sh -c "${CMD_RESULTS}"  >> "${tensorflow_file}"
+	done
+
+	local resnet50_int8_results=$(cat "${tensorflow_file}" | sed 's/.$//')
+	local average_resnet50_int8=$(echo "${resnet50_int8_results}" | sed 's/.$//'| sed "s/,/+/g;s/.*/(&)\/2/g" | bc -l)
+
+	local json="$(cat << EOF
+	{
+		"ResNet50Int8": {
+			"Result": "${resnet50_int8_results}",
+			"Average": "${average_resnet50_int8}",
+			"Units": "images/s"
+		}
+	}
+EOF
+)"
+	metrics_json_add_array_element "$json"
+	metrics_json_end_array "Results"
+}
+
+function main() {
+	# Verify enough arguments
+	if [ $# != 2 ]; then
+		echo >&2 "error: Not enough arguments [$@]"
+		help
+		exit 1
+	fi
+
+	local i=0
+	local containers=()
+	local not_started_count="${NUM_CONTAINERS}"
+
+	# Check tools/commands dependencies
+	cmds=("awk" "docker" "bc")
+	check_cmds "${cmds[@]}"
+	check_ctr_images "${IMAGE}" "${DOCKERFILE}"
+
+	init_env
+	create_start_script
+
+	info "Creating ${NUM_CONTAINERS} containers"
+
+	for ((i=1; i<= "${NUM_CONTAINERS}"; i++)); do
+		containers+=($(random_name))
+		sudo -E "${CTR_EXE}" run -d --runtime "${CTR_RUNTIME}" --mount="${MOUNT_OPTIONS}" "${IMAGE}" "${containers[-1]}" sh -c "${PAYLOAD_ARGS}"
+		((not_started_count--))
+		info "$not_started_count remaining containers"
+	done
+
+	metrics_json_init
+	metrics_json_start_array
+
+	# Check that the requested number of containers are running
+	check_containers_are_up "${NUM_CONTAINERS}"
+
+	# Check that the requested number of containers are running
+	check_containers_are_running "${NUM_CONTAINERS}"
+
+	# Get the initial number of pids in a single container before the workload starts
+	INITIAL_NUM_PIDS=$(sudo -E "${CTR_EXE}" t metrics "${containers[-1]}" | grep pids.current | grep pids.current | xargs | cut -d ' ' -f 2)
+	((INITIAL_NUM_PIDS++))
+
+	resnet50_int8_test
+
+	metrics_json_save
+
+	sudo rm -rf "${src_dir}"
+
+	clean_env_ctr
+}
+main "$@"