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##############################################################################
# Copyright (c) 2017 Nokia and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from __future__ import absolute_import
import pkg_resources
import logging
import json
import time
import yardstick.ssh as ssh
import yardstick.common.utils as utils
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
class PktgenDPDK(base.Scenario):
"""Execute pktgen-dpdk on one vm and execute testpmd on the other vm
"""
__scenario_type__ = "PktgenDPDK"
PKTGEN_DPDK_SCRIPT = 'pktgen_dpdk_benchmark.bash'
TESTPMD_SCRIPT = 'testpmd_rev.bash'
def __init__(self, scenario_cfg, context_cfg):
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.source_ipaddr = [None] * 2
self.source_ipaddr[0] = \
self.context_cfg["host"].get("ipaddr", '127.0.0.1')
self.target_ipaddr = [None] * 2
self.target_ipaddr[0] = \
self.context_cfg["target"].get("ipaddr", '127.0.0.1')
self.target_macaddr = [None] * 2
self.setup_done = False
self.dpdk_setup_done = False
def setup(self):
"""scenario setup"""
self.pktgen_dpdk_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
PktgenDPDK.PKTGEN_DPDK_SCRIPT)
self.testpmd_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
PktgenDPDK.TESTPMD_SCRIPT)
host = self.context_cfg['host']
host_user = host.get('user', 'ubuntu')
host_ssh_port = host.get('ssh_port', ssh.DEFAULT_PORT)
host_ip = host.get('ip', None)
host_key_filename = host.get('key_filename', '~/.ssh/id_rsa')
target = self.context_cfg['target']
target_user = target.get('user', 'ubuntu')
target_ssh_port = target.get('ssh_port', ssh.DEFAULT_PORT)
target_ip = target.get('ip', None)
target_key_filename = target.get('key_filename', '~/.ssh/id_rsa')
LOG.info("user:%s, target:%s", target_user, target_ip)
self.server = ssh.SSH(target_user, target_ip,
key_filename=target_key_filename,
port=target_ssh_port)
self.server.wait(timeout=600)
# copy script to host
self.server._put_file_shell(self.testpmd_script, '~/testpmd_rev.sh')
LOG.info("user:%s, host:%s", host_user, host_ip)
self.client = ssh.SSH(host_user, host_ip,
key_filename=host_key_filename,
port=host_ssh_port)
self.client.wait(timeout=600)
# copy script to host
self.client._put_file_shell(self.pktgen_dpdk_script,
'~/pktgen_dpdk.sh')
self.setup_done = True
def dpdk_setup(self):
"""dpdk setup"""
# disable Address Space Layout Randomization (ASLR)
cmd = "echo 0 | sudo tee /proc/sys/kernel/randomize_va_space"
self.server.send_command(cmd)
self.client.send_command(cmd)
if not self._is_dpdk_setup("client"):
cmd = "sudo ifup eth1"
LOG.debug("Executing command: %s", cmd)
self.client.send_command(cmd)
time.sleep(1)
self.source_ipaddr[1] = utils.get_port_ip(self.client, 'eth1')
self.client.run("tee ~/.pktgen-dpdk.ipaddr.eth1 > /dev/null",
stdin=self.source_ipaddr[1])
else:
cmd = "cat ~/.pktgen-dpdk.ipaddr.eth1"
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
self.source_ipaddr[1] = stdout
if not self._is_dpdk_setup("server"):
cmd = "sudo ifup eth1"
LOG.debug("Executing command: %s", cmd)
self.server.send_command(cmd)
time.sleep(1)
self.target_ipaddr[1] = utils.get_port_ip(self.server, 'eth1')
self.target_macaddr[1] = utils.get_port_mac(self.server, 'eth1')
self.server.run("tee ~/.testpmd.ipaddr.eth1 > /dev/null",
stdin=self.target_ipaddr[1])
self.server.run("tee ~/.testpmd.macaddr.eth1 > /dev/null",
stdin=self.target_macaddr[1])
cmd = "screen sudo -E bash ~/testpmd_rev.sh"
LOG.debug("Executing command: %s", cmd)
self.server.send_command(cmd)
time.sleep(1)
else:
cmd = "cat ~/.testpmd.ipaddr.eth1"
status, stdout, stderr = self.server.execute(cmd)
if status:
raise RuntimeError(stderr)
self.target_ipaddr[1] = stdout
cmd = "cat ~/.testpmd.macaddr.eth1"
status, stdout, stderr = self.server.execute(cmd)
if status:
raise RuntimeError(stderr)
self.target_macaddr[1] = stdout
self.dpdk_setup_done = True
def _is_dpdk_setup(self, host):
"""Is dpdk already setup in the host?"""
is_run = True
cmd = "ip a | grep eth1 2>/dev/null"
LOG.debug("Executing command: %s in %s", cmd, host)
if "server" in host:
_, stdout, _ = self.server.execute(cmd)
if stdout:
is_run = False
else:
_, stdout, _ = self.client.execute(cmd)
if stdout:
is_run = False
return is_run
def _dpdk_get_result(self):
"""Get packet statistics from server"""
cmd = "sudo /dpdk/destdir/bin/dpdk-procinfo -- --stats 2>/dev/null | \
awk '$1 ~ /RX-packets/' | cut -d ':' -f2 | cut -d ' ' -f2 | \
head -n 1"
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.server.execute(cmd)
if status:
raise RuntimeError(stderr)
received = int(stdout)
cmd = "sudo /dpdk/destdir/bin/dpdk-procinfo -- --stats-reset" \
" > /dev/null 2>&1"
self.server.execute(cmd)
time.sleep(1)
self.server.execute(cmd)
return received
def run(self, result):
"""execute the benchmark"""
if not self.setup_done:
self.setup()
if not self.dpdk_setup_done:
self.dpdk_setup()
options = self.scenario_cfg['options']
packetsize = options.get("packetsize", 60)
rate = options.get("rate", 100)
self.number_of_ports = options.get("number_of_ports", 10)
# if run by a duration runner
duration_time = self.scenario_cfg["runner"].get("duration", None) \
if "runner" in self.scenario_cfg else None
# if run by an arithmetic runner
arithmetic_time = options.get("duration", None)
if duration_time:
duration = duration_time
elif arithmetic_time:
duration = arithmetic_time
else:
duration = 20
cmd = "sudo bash pktgen_dpdk.sh %s %s %s %s %s %s %s" \
% (self.source_ipaddr[1],
self.target_ipaddr[1], self.target_macaddr[1],
self.number_of_ports, packetsize, duration, rate)
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
result.update(json.loads(stdout))
result['packets_received'] = self._dpdk_get_result()
result['packetsize'] = packetsize
if "sla" in self.scenario_cfg:
sent = result['packets_sent']
received = result['packets_received']
ppm = 1000000 * (sent - received) / sent
# Added by Jing
ppm += (sent - received) % sent > 0
LOG.debug("Lost packets %d - Lost ppm %d", (sent - received), ppm)
sla_max_ppm = int(self.scenario_cfg["sla"]["max_ppm"])
self.verify_SLA(ppm <= sla_max_ppm, "ppm %d > sla_max_ppm %d; "
% (ppm, sla_max_ppm))
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