def main(trace=False):
vm = QemuNG(disk_path=r"../vms/ubuntu-20.img",
guest_ip="10.10.0.43",
host_ip="10.10.0.44")
vm.ethernet_dev = vm.QEMU_VIRTIO
if trace:
vm.exe = ORIG_QEMU_TRACE
vm.setup()
vm.run()
input("Press any enter to close VM")
vm.teardown()
def main(directory=None, netperf_msg_size=None):
trace_dir = get_dir(directory)
if netperf_msg_size is None:
netperf_msg_size = MSG_SIZE
if ORIG_QEMU != TMP_QEMU:
shutil.copyfile(ORIG_QEMU, TMP_QEMU)
os.makedirs(trace_dir, exist_ok=True)
netserver_start()
logger.info("msg size = %s", netperf_msg_size)
vm = QemuNG(disk_path=r"../vms/ubuntu-20.img",
guest_ip="10.10.0.43",
host_ip="10.10.0.44")
vm.ethernet_dev = Qemu.QEMU_VIRTIO
# vm.qemu_config["latency_itr"] = 0
vm.e1000_options["NG_notify_batch"] = "on"
vm.BOOTUP_WAIT = 15
# vm.addiotional_guest_command = 'sudo ethtool -C eth0 rx-usecs 3000'
local_trace = Trace(localRoot, os.path.join(trace_dir, "trace_host"))
local_trace.setup()
local_trace.set_buffer_size(100000)
local_trace.enable_event("kvm/kvm_write_tsc_offset")
# local_trace.enable_event("kvm/kvm_set_irq")
# local_trace.enable_event("kvm/kvm_msi_set_irq")
# local_trace.enable_event("kvm/kvm_inj_virq")
# local_trace.enable_event("kvm/kvm_ioapic_set_irq")
# local_trace.enable_event("kvm/kvm_exit")
# local_trace.enable_event("kvm/kvm_entry")
# local_trace.enable_event("kvm/kvm_userspace_exit")
local_trace.set_event_filter(
"sched/sched_switch", r'prev_comm ~ "*qemu*" || next_comm ~ "*qemu*"')
# local_trace.enable_event("sched/sched_switch")
local_trace.set_event_filter("sched/sched_wakeup", '\"comm~*qemu*\"')
# local_trace.enable_event("sched/sched_wakeup")
local_trace.set_event_filter("sched/sched_waking", '\"comm~*qemu*\"')
# local_trace.enable_event("sched/sched_waking")
# objdump -tT /tmp/qemu-system-x86_64 |grep .text|grep virtio_queue_notify_vq
## local_trace.uprobe_add("p:virtio_queue_notify_vq /tmp/qemu-system-x86_64:0x1bfba6")
# local_trace.uprobe_add_event("p", "virtio_queue_notify_vq", TMP_QEMU, "virtio_queue_notify_vq")
# objdump -tT /tmp/qemu-system-x86_64 |grep .text|grep kvm_vcpu_ioctl
## local_trace.uprobe_add("p:kvm_vcpu_ioctl /tmp/qemu-system-x86_64:0x16a886 cmd=%si")
# local_trace.uprobe_add_event("p", "kvm_vcpu_ioctl", TMP_QEMU, "kvm_vcpu_ioctl", "cmd=%si")
# local_trace.uprobe_add_event("p", "tap_write_packet", TMP_QEMU, "tap_write_packet")
# local_trace.uprobe_add_event("p", "tap_recv_packets", TMP_QEMU, "tap_send")
# local_trace.uprobe_add_event("r", "tap_recv_packets_end", TMP_QEMU, "tap_send")
# local_trace.uprobe_add_event("p", "virtio_irq", TMP_QEMU, "virtio_irq")
# local_trace.uprobe_add_event("p", "virtio_queue_notify_vq", TMP_QEMU, "virtio_queue_notify_vq")
# local_trace.uprobe_add_event("p", "e1000_set_kick", TMP_QEMU, "e1000_set_kick")
# local_trace.uprobe_add_event("p", "e1000_receive_batch_finished", TMP_QEMU, "e1000_receive_batch_finished")
local_trace.uprobe_enable()
local_trace.empty_trace()
local_trace.trace_on()
# local_trace.trace_to_local_file()
vm.setup()
vm.run()
remote_trace = Trace(vm.root, os.path.join(trace_dir, "trace_guest"))
remote_trace.setup()
remote_trace.set_buffer_size(100000)
# remote_trace.enable_event("tcp")
# remote_trace.enable_event("net")
# remote_trace.enable_event("irq")
# remote_trace.enable_event("irq_vectors")
# remote_trace.enable_event("napi")
# remote_trace.enable_event("power/cpu_idle")
# remote_trace.enable_event("syscalls/sys_enter_sendto")
# remote_trace.enable_event("syscalls/sys_enter_recvfrom")
remote_trace.enable_event("net/net_dev_xmit")
# remote_trace.enable_event("irq/irq_handler_entry")
# remote_trace.enable_event("e1000/e1000_pre_mem_op")
# remote_trace.enable_event("e1000/e1000_post_mem_op")
# remote_trace.enable_event("e1000/e1000_set_tdt")
# remote_trace.enable_event("e1000/e1000_post_set_tdt")
# remote_trace.kprobe_add("p:notify_begin virtqueue_kick")
# remote_trace.kprobe_add("r:notify_end virtqueue_kick")
# remote_trace.kprobe_enable()
remote_trace.trace_on()
netperf = NetPerfTCP(None, runtime=2)
run_command_async("tcpdump -i tap0 -s 100 -w {} -W 1 -G 7".format(
os.path.join(trace_dir, "virtio.cap")))
remote_trace.trace_marker(TRACE_BEGIN_MSG)
netperf_perf = netperf.run_netperf(vm, msg_size=netperf_msg_size)
remote_trace.trace_marker(TRACE_END_MSG)
print("Netperf performance: %s" % (netperf_perf, ))
logger.info("Netperf performance: %s", netperf_perf)
remote_trace.trace_off()
remote_trace.disable_all_events()
local_trace.trace_off()
local_trace.disable_all_events()
netperf_perf = netperf.run_netperf(vm, msg_size=netperf_msg_size)
print("Base Netperf performance: %s" % (netperf_perf, ))
logger.info("Base Netperf performance: %s", netperf_perf)
local_trace.read_trace_once(to_file=True)
remote_trace.read_trace_once(to_file=True)
# local_trace.trace_to_local_file_stop()
local_trace.disable_all_events()
# input("Press Enter to exit")
vm.teardown()
netserver_stop()