Merge pull request torvalds#152 from liuyuan10/testnetperf

lkl: Add netperf TCP_RR and TCP_STREAM to make test

Author: Octavian Purdila

tools/lkl/tests/hijack-test.sh

@@ -94,6 +94,9 @@ sudo arp -d 192.168.13.2
 sudo ping -i 0.01 -c 65 192.168.13.2 &
 ${hijack_script} sleep 3
 
+sh ${script_dir}/run_netperf.sh 192.168.13.1 1 0 TCP_STREAM
+sh ${script_dir}/run_netperf.sh 192.168.13.1 1 0 TCP_RR
+
 echo "== VDE tests =="
 if [ ! -x "$(which vde_switch)" ]; then
     echo "WARNING: Cannot find a vde_switch executable, skipping VDE tests."

tools/lkl/tests/run_netperf.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+# Usage
+#  ./run_netperf.sh [host_ip] [num_runs] [use_taskset] [test_name]
+
+set -e
+
+script_dir=$(cd $(dirname ${BASH_SOURCE:-$0}); pwd)
+hijack_script=${script_dir}/../bin/lkl-hijack.sh
+
+num_runs="1"
+test_name="TCP_STREAM"
+use_taskset="0"
+host_ip="192.168.13.1"
+taskset_cmd="taskset -c 1"
+test_len=10  # second
+
+if [ ! -x "$(which netperf)" ]; then
+    echo "WARNING: Cannot find a netserver executable, skipping netperf tests."
+    exit 0
+fi
+
+if [ $# -ge 1 ]
+then
+    host_ip=$1
+fi
+if [ $# -ge 2 ]
+then
+    num_runs=$2
+fi
+if [ $# -ge 3 ]
+then
+    use_taskset=$3
+fi
+if [ $# -ge 4 ]
+then
+    test_name=$4
+fi
+if [ $# -ge 5 ]
+then
+    echo "BAD NUMBER of INPUTS."
+    exit 1
+fi
+
+if [ $use_taskset = "0" ]
+then
+  taskset_cmd=""
+fi
+
+# Starts the netsever. If it fails, there is no clean up needed.
+existing_netserver=$(ps -ef | grep -v grep | grep -c netserver) || true
+
+if [ $existing_netserver -ne 0 ]
+then
+  echo "netserver is running. You must kill it."
+  exit 1
+fi
+
+function clean {
+    sudo killall netserver &> /dev/null || true
+}
+
+function clean_with_tap {
+    sudo ip link set dev $LKL_HIJACK_NET_IFPARAMS down &> /dev/null || true
+    sudo ip tuntap del dev $LKL_HIJACK_NET_IFPARAMS mode tap &> /dev/null || true
+    clean
+}
+
+trap clean EXIT
+
+# LKL_HIJACK_NET_IFTYPE is not set, which means it's not called from
+# hijack-test.sh. Needs to set up things first.
+if [ -z ${LKL_HIJACK_NET_IFTYPE+x} ]
+then
+    # Setting up environmental vars and TAP
+    export LKL_HIJACK_NET_IFTYPE=tap
+    export LKL_HIJACK_NET_IFPARAMS=lkl_ptt0
+    export LKL_HIJACK_NET_IP=192.168.13.2
+    export LKL_HIJACK_NET_NETMASK_LEN=24
+
+    sudo ip tuntap del dev $LKL_HIJACK_NET_IFPARAMS mode tap || true
+    sudo ip tuntap add dev $LKL_HIJACK_NET_IFPARAMS mode tap user $USER
+    sudo ip link set dev $LKL_HIJACK_NET_IFPARAMS up
+    sudo ip addr add dev $LKL_HIJACK_NET_IFPARAMS $host_ip/$LKL_HIJACK_NET_NETMASK_LEN
+
+    trap clean_with_tap EXIT
+fi
+
+sudo netserver -L $host_ip
+
+echo NUM=$num_runs, TEST=$test_name, TASKSET=$use_taskset
+for i in `seq $num_runs`; do
+    echo Test: $i
+    $taskset_cmd ${hijack_script} netperf -L $LKL_HIJACK_NET_IP -H $host_ip -t $test_name -l $test_len
+done