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#!/bin/bash
set -o errexit
THIS_DIR=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
TEST_DEFS_DIR=$(readlink -f "${THIS_DIR}/../../..")
HTTPERF_RUNNER=${TEST_DEFS_DIR}/automated/utils/httperf/httperf-runner.py
GET_VLAND_IFACE=${TEST_DEFS_DIR}/automated/utils/vland/get_vland_interface.sh
# Configurable Environment variables
# name of the VLAND used
VLAND_NAME=${VLAND_NAME:-vlan_one}
# IP addresses
MY_IP=${MY_IP:-192.168.1.1}
# Server IP
SERVER_IP=${SERVER_IP:-192.168.1.4}
# CPU_AFFINITY: run httperf on this core
CPU_AFFINITY=${CPU_AFFINITY:-0}
# INITIAL_STEP
INITIAL_STEP=${INITIAL_STEP:-13000}
# INITIAL_RATE
INITIAL_RATE=${INITIAL_RATE:-25000}
# Sets IRQ affinity to the same core as httperf will run
function set_irq_affinity {
local dev
local irq
dev=$1
ethtool -L "$dev" combined 1
grep "$dev" /proc/interrupts | while read -r line; do
irq=${line%:*}
echo "-- CHANGING AFFINITY FOR IRQ $irq to $CPU_AFFINITY"
echo "$CPU_AFFINITY" > "/proc/irq/$irq/smp_affinity_list"
done
}
function configure_client {
local dev
dev=$($GET_VLAND_IFACE "$VLAND_NAME")
echo "-- CONFIGURE CLIENT DEVICE $dev"
ip address add "${MY_IP}/24" dev "$dev"
ip link set up dev "$dev"
set_irq_affinity "$dev"
echo "-- DEV $dev up"
grep "$dev" /proc/interrupts
sysctl -w net.ipv4.ip_local_port_range="1499 65500"
}
if ! which lava-wait &>/dev/null; then
echo "This script must be executed in LAVA"
exit
fi
configure_client || exit 1
echo "<< WAIT num_cores"
lava-wait num_cores
num_cores=$(cut -d = -f 2 /tmp/lava_multi_node_cache.txt)
echo "-- Server has $num_cores cores"
echo ">> SEND client_ready"
lava-send client_ready
for num_cores in 1 $(seq 2 2 "$num_cores"); do
echo "<< WAIT server_num_cores_${num_cores}_ready"
lava-wait "server_num_cores_${num_cores}_ready"
echo "-- START NUM CORES: $num_cores"
# First do a simple wget to warm up caches (10s timeout, 2 tries)
wget -T 10 -t 2 -q -O /dev/null "http://${SERVER_IP}/index.html"
csv=reqs_${num_cores}
taskset -c "$CPU_AFFINITY" "$HTTPERF_RUNNER" --csv "$csv" \
--server "${SERVER_IP}" \
--rate "${INITIAL_RATE}" \
--step "${INITIAL_STEP}"
result=$(head -n 1 "$csv")
echo "-- END ITERATION $num_cores, RESULT: $result"
lava-test-case "performance-${num_cores}-cores" \
--result pass \
--measurement "$result" \
--units trans/s
echo ">> SEND client_num_cores_${num_cores}_done"
lava-send "client_num_cores_${num_cores}_done"
done
echo ">> SEND client_done"
lava-send client_done
echo "A10"
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