def main(directory=None):
trace_dir = get_dir(directory)
shutil.copyfile(ORIG_QEMU, TMP_QEMU)
os.makedirs(trace_dir, exist_ok=True)
vm = QemuE1000Max(disk_path=r"../vms/ubuntu-20.img",
guest_ip="10.10.0.43",
host_ip="10.10.0.44")
vm.qemu_config["latency_itr"] = 0
vm.ethernet_dev = 'e1000-82545em'
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.enable_event("kvm/kvm_write_tsc_offset")
# 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")
# 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_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(20000)
remote_trace.enable_event("napi/napi_poll")
# remote_trace.enable_event("power/cpu_idle")
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 vp_notify")
# remote_trace.kprobe_add("r:notify_end vp_notify")
# remote_trace.kprobe_enable()
remote_trace.trace_on()
netperf = NetPerfTCP(None, runtime=2)
remote_trace.trace_marker(TRACE_BEGIN_MSG)
netperf_perf = netperf.run_netperf(vm, msg_size="64K")
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="64K")
print("Base Netperf performance: %s" % (netperf_perf,))
logger.info("Base Netperf performance: %s", netperf_perf)
remote_trace.read_trace_once(to_file=True)
# local_trace.trace_to_local_file_stop()
local_trace.disable_all_events()
# input()
vm.teardown()
class TracePerformance:
def __init__(self,
vm: VM,
directory=None,
netperf=None,
msg_size=64,
title="",
auto_dir=False,
name=None):
self._vm = vm
if directory:
self._dir = directory
else:
self._dir = TMP_DIR
if auto_dir:
self._dir = os.path.join(
self._dir, "{name}-{size}".format(name=self._vm.name,
size=msg_size))
if name:
self._dir += "-{name}".format(name=name)
logger.info("Dir: %s", self._dir)
if netperf:
self._netperf = netperf
else:
self._netperf = NetPerfLatency()
self._msg_size = msg_size
self._title = title
# vm.netserver_core = "2"
self.trace_parser = None
self._host_tracer = None
self._guest_tracer = None
self._old_cpumask = ""
def init_env(self, delete=False):
if delete:
if os.path.exists(self._dir):
shutil.rmtree(self._dir, ignore_errors=True)
os.makedirs(self._dir, exist_ok=True)
if ORIG_QEMU != TMP_QEMU:
shutil.copyfile(ORIG_QEMU, TMP_QEMU)
root_logger = logging.getLogger()
root_logger.addHandler(
logging.FileHandler(os.path.join(self._dir, "log")))
self.trace_parser = Traces(self._dir)
def host_traces(self):
assert self._host_tracer is None
self._host_tracer = Trace(localRoot,
os.path.join(self._dir, "trace_host"))
self._host_tracer.setup()
self._host_tracer.set_buffer_size(2000000)
sleep(1)
# if self._vm.cpu_to_pin:
# self._host_tracer.write_value("tracing_cpumask", str(1 << (int(self._vm.cpu_to_pin))))
# clock sync with VM
self._host_tracer.enable_event("kvm/kvm_write_tsc_offset")
# interrupts
# self._host_tracer.enable_event("kvm/kvm_set_irq")
# self._host_tracer.enable_event("kvm/kvm_msi_set_irq")
# self._host_tracer.enable_event("kvm/kvm_inj_virq")
# self._host_tracer.enable_event("kvm/kvm_ioapic_set_irq")
# exit events
self._host_tracer.enable_event("kvm/kvm_exit")
self._host_tracer.enable_event("kvm/kvm_entry")
# self._host_tracer.enable_event("kvm/kvm_userspace_exit")
self._host_tracer.enable_event("kvm/kvm_mmio")
self._host_tracer.enable_event("kvm/kvm_msr")
# sched
self._host_tracer.set_event_filter(
"sched/sched_switch",
r'prev_comm ~ "*qemu*" || next_comm ~ "*qemu*"')
self._host_tracer.enable_event("sched/sched_switch")
# self._host_tracer.set_event_filter("sched/sched_wakeup", r'comm~"*qemu*"')
# self._host_tracer.enable_event("sched/sched_wakeup")
# self._host_tracer.set_event_filter("sched/sched_waking", r'comm~"*qemu*"')
# self._host_tracer.enable_event("sched/sched_waking")
# self._host_tracer.uprobe_add_event("p", "e1000_set_kick", self._vm.exe, "e1000_set_kick")
# self._host_tracer.uprobe_add_event("p", "e1000_kick_cb", self._vm.exe, "e1000_kick_cb")
# self._host_tracer.uprobe_add_event("p", "qemu_mutex_lock_iothread", self._vm.exe, "qemu_mutex_lock_iothread")
# self._host_tracer.uprobe_add_event("r", "qemu_mutex_lock_iothread_end", self._vm.exe, "qemu_mutex_lock_iothread")
# self._host_tracer.uprobe_add_event("p", "qemu_mutex_unlock_iothread", self._vm.exe, "qemu_mutex_unlock_iothread")
# self._host_tracer.uprobe_add_event("r", "qemu_mutex_unlock_iothread_end", self._vm.exe, "qemu_mutex_unlock_iothread")
self._host_tracer.enable_event("irq/irq_handler_entry")
self._host_tracer.enable_event("irq/irq_handler_exit")
self._host_tracer.enable_event("irq_vectors")
self._host_tracer.enable_event("syscalls")
# self._host_tracer.kprobe_add("p:import_iovec import_iovec")
# self._host_tracer.kprobe_add("r:import_iovec_end import_iovec")
# self._host_tracer.kprobe_add("p:tun_get_user tun_get_user")
# self._host_tracer.kprobe_add("r:tun_get_user_end tun_get_user")
#
# self._host_tracer.kprobe_add("p:netif_receive_skb netif_receive_skb")
# self._host_tracer.kprobe_add("r:netif_receive_skb_end netif_receive_skb")
# # self._host_tracer.enable_event("net/netif_receive_skb")
# # self._host_tracer.enable_event("net/netif_receive_skb_entry")
# # self._host_tracer.enable_event("net/netif_rx_ni_entry")
self._host_tracer.kprobe_enable()
self._host_tracer.uprobe_enable()
self._host_tracer.empty_trace()
self._host_tracer.trace_on()
def guest_traces(self):
assert self._guest_tracer is None
self._guest_tracer = Trace(self._vm.root,
os.path.join(self._dir, "trace_guest"))
self._guest_tracer.setup()
self._guest_tracer.set_buffer_size(600000)
self._guest_tracer.enable_event("power/cpu_idle")
self._guest_tracer.enable_event("syscalls/sys_enter_sendto")
# self._guest_tracer.enable_event("syscalls/sys_enter_recvfrom")
self._guest_tracer.enable_event("syscalls/sys_exit_recvfrom")
#sched
self._guest_tracer.set_event_filter(
"sched/sched_switch",
r'prev_comm ~ "*netperf*" || next_comm ~ "*netperf*"')
self._guest_tracer.enable_event("sched/sched_switch")
# net
self._guest_tracer.enable_event("net/net_dev_start_xmit")
self._guest_tracer.enable_event("net/net_dev_xmit")
self._guest_tracer.enable_event("net/net_dev_recv_start")
self._guest_tracer.enable_event("net/net_dev_recv_end")
self._guest_tracer.enable_event("net/net_exit_before")
self._guest_tracer.enable_event("net/net_exit_after")
# irq
self._guest_tracer.enable_event("irq/irq_handler_entry")
self._guest_tracer.enable_event("irq/irq_handler_exit")
self._host_tracer.enable_event("irq_vectors")
self._guest_tracer.enable_event("napi")
# self._guest_tracer.enable_event("tcp/tcp_xmit_break")
self._guest_tracer.kprobe_add("p:recv_start virtnet_receive")
self._guest_tracer.kprobe_add("r:recv_end virtnet_receive")
self._guest_tracer.kprobe_add("p:recv_start e1000_clean_rx_irq")
self._guest_tracer.kprobe_add("r:recv_end e1000_clean_rx_irq")
self._guest_tracer.kprobe_add("p:napi_receive_start napi_gro_receive")
self._guest_tracer.kprobe_add("r:napi_receive_end napi_gro_receive")
self._guest_tracer.kprobe_add(
"p:e1000_update_stats e1000_update_stats")
self._guest_tracer.kprobe_add(
"r:e1000_update_stats_end e1000_update_stats")
# recieve checksum validation
self._guest_tracer.kprobe_add("p:dev_gro_receive dev_gro_receive")
self._guest_tracer.kprobe_add("r:dev_gro_receive_end dev_gro_receive")
# tcp stack boundries
self._guest_tracer.kprobe_add(
"p:netif_receive_skb_internal netif_receive_skb_internal")
self._guest_tracer.kprobe_add(
"r:netif_receive_skb_internal_end netif_receive_skb_internal")
self._guest_tracer.kprobe_add(
"p:dev_hard_start_xmit dev_hard_start_xmit")
self._guest_tracer.kprobe_add(
"r:dev_hard_start_xmit_end dev_hard_start_xmit")
# self._guest_tracer.kprobe_add("p:ip_rcv_finish ip_rcv_finish")
# self._guest_tracer.kprobe_add("r:ip_rcv_finish_end ip_rcv_finish")
# self._guest_tracer.kprobe_add("p:tcp_write_xmit tcp_write_xmit")
# self._guest_tracer.kprobe_add("r:tcp_write_xmit_end tcp_write_xmit")
#
# self._guest_tracer.kprobe_add("p:dev_queue_xmit dev_queue_xmit")
# self._guest_tracer.kprobe_add("r:dev_queue_xmit_end dev_queue_xmit")
#
# self._guest_tracer.kprobe_add("p:tcp_v4_rcv tcp_v4_rcv")
# self._guest_tracer.kprobe_add("r:tcp_v4_rcv_end tcp_v4_rcv")
#
# for n in ("tcp_v4_do_rcv", "tcp_rcv_established", "__tcp_push_pending_frames", "tcp_write_xmit"):
# self._guest_tracer.kprobe_add("p:{name} {name}".format(name=n))
# self._guest_tracer.kprobe_add("r:{name}_end {name}".format(name=n))
# self._guest_tracer.kprobe_add("p:validate_xmit_skb_list validate_xmit_skb_list")
# self._guest_tracer.kprobe_add("r:validate_xmit_skb_list_end validate_xmit_skb_list")
# self._guest_tracer.kprobe_add("p:tcp_ack tcp_ack")
# self._guest_tracer.kprobe_add("r:tcp_ack_end tcp_ack")
# self._guest_tracer.write_value("current_tracer", "function_graph")
# self._guest_tracer.write_value("set_graph_function", "netif_receive_skb_internal")
self._guest_tracer.kprobe_enable()
self._guest_tracer.uprobe_enable()
self._guest_tracer.empty_trace()
self._guest_tracer.trace_on()
def run_netperf(self, runtime=None):
self._host_tracer.trace_marker(TRACE_BEGIN_MSG, cpu=2)
if runtime is not None:
self._netperf.runtime = runtime
netperf_perf = self._netperf.run_netperf(self._vm,
msg_size=self._msg_size)
self._host_tracer.trace_marker(TRACE_END_MSG, cpu=2)
print("Netperf performance: %s" % (netperf_perf, ))
logger.info("Netperf performance: %s", netperf_perf)
def copy_maps(self):
try:
os.unlink(os.path.join(self._dir, "maps"))
except:
pass
shutil.copy("/proc/{}/maps".format(self._vm.get_pid()),
os.path.join(self._dir, "maps"))
def merge_traces(self):
logger.info("Merging traces")
self.trace_parser.parse()
self.trace_parser.write_to_file(self._dir, True)
def run(self):
try:
self._vm.setup()
self.host_traces()
self._vm.run()
self.guest_traces()
self.run_netperf()
self._host_tracer.trace_off()
self._guest_tracer.trace_off()
logger.info("Test again without traces:")
self.run_netperf(10)
self.run_netperf(10)
self.run_netperf(10)
finally:
try:
self._guest_tracer.read_trace_once(to_file=True)
self._host_tracer.read_trace_once(to_file=True, cpu="2")
# self._host_tracer.read_trace_once(to_file=True, filename=os.path.join(self._dir, "full_trace"))
self._host_tracer.set_buffer_size(1000)
except:
import traceback
traceback.print_exc()
self.copy_maps()
self._vm.teardown()
try:
self._host_tracer.disable_all_events()
except:
pass
self.merge_traces()
def stats(self):
new_stats = MainStats(self.trace_parser,
os.path.join(self._dir, "new"),
size=self._msg_size)
os.makedirs(os.path.join(self._dir, "new"), exist_ok=True)
# new_stats.attr = "time_median"
new_stats.attr = "time_avg"
new_stats.run(new_stats.TYP_VIRTIO if "virtio" in
self._vm.name else new_stats.TYP_E1000)
def main(directory=None):
trace_dir = get_dir(directory)
if ORIG_QEMU != TMP_QEMU:
shutil.copyfile(ORIG_QEMU, TMP_QEMU)
os.makedirs(trace_dir, exist_ok=True)
netserver_start()
# vm = QemuE1000NG(disk_path=r"../vms/ubuntu-20.img",
# guest_ip="10.10.0.43",
# host_ip="10.10.0.44")
# vm.netperf_test_params = "-C"
# vm.kernel_cmdline_additional = "e1000.NG_flags=1" # skb_orphan
# vm.e1000_options["NG_interrupt_mode"] = 2
# vm.large_queue = True
# vm.queue_size = 1024*4
# vm.e1000_options["NG_parabatch"] = "on"
# vm.e1000_options["NG_interrupt_mode"] = 1
# vm.e1000_options["NG_interrupt_mul"] = 1
# vm.e1000_options["NG_disable_iothread_lock"] = "on"
vm = create_vm_e1000_halt_no_rdt()
# para halt mode
# vm.e1000_options["NG_parahalt"] = "on"
# # vm.e1000_options["NG_disable_iothread_lock"] = "on"
# # vm.e1000_options["NG_tx_iothread"]z = "off"
# vm.e1000_options["NG_interrupt_mode"] = 0
# vm.e1000_options["NG_interrupt_mul"] = 0
# vm.e1000_options["mitigation"] = "off"
# vm.large_queue = True
# vm.queue_size = 512
# vm.ethernet_dev = 'e1000-82545em'
# 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(1000000)
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.enable_event("kvm/kvm_mmio")
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", r'comm~"*qemu*"')
local_trace.enable_event("sched/sched_wakeup")
local_trace.set_event_filter("sched/sched_waking", r'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", "e1000_set_kick", TMP_QEMU,
"e1000_set_kick")
local_trace.uprobe_add_event("r", "e1000_set_kick_end", TMP_QEMU,
"e1000_set_kick")
local_trace.uprobe_add_event(
"p", "e1000_receive_batch_finished", TMP_QEMU,
"e1000_receive_batch_finished",
"packets=%si interrupt_packets=+209052\(%di\):u32")
local_trace.uprobe_add_event("r", "tap_recv_packets_end", TMP_QEMU,
"tap_send")
local_trace.uprobe_add_event("p", "tap_recv_packets", TMP_QEMU, "tap_send")
local_trace.uprobe_add_event("r",
"all_cpu_idle_end",
TMP_QEMU,
"all_cpu_threads_idle_ex",
misc=r"result=\$retval")
local_trace.uprobe_add_event("p", "all_cpu_idle", TMP_QEMU,
"all_cpu_threads_idle_ex")
# local_trace.uprobe_add_event("p", "qemu_bh_schedule", TMP_QEMU, "qemu_bh_schedule")
local_trace.uprobe_add_event("p", "set_tctl", TMP_QEMU, "set_tctl")
local_trace.uprobe_add_event("p", "e1000_mit_timer", TMP_QEMU,
"e1000_mit_timer")
# local_trace.uprobe_add_event("p", "qemu_clock_run_all_timers", TMP_QEMU, "qemu_clock_run_all_timers")
# local_trace.uprobe_add_event("r", "qemu_clock_run_all_timers_end", TMP_QEMU, "qemu_clock_run_all_timers", misc=r"result=\$retval")
# local_trace.uprobe_add_event("r", "timerlistgroup_deadline_ns", TMP_QEMU, "timerlistgroup_deadline_ns", misc=r"result=\$retval")
# local_trace.uprobe_add_event("r", "os_host_main_loop_wait", TMP_QEMU, "os_host_main_loop_wait", misc=r"result=\$retval")
local_trace.uprobe_add_event("p", "aio_bh_call", TMP_QEMU, "aio_bh_call")
local_trace.uprobe_add_event("p", "e1000_net_bh_tx", TMP_QEMU,
"e1000_net_bh_tx")
local_trace.uprobe_add_event("p", "qemu_bh_schedule", TMP_QEMU,
"qemu_bh_schedule")
local_trace.uprobe_add_event("r", "qemu_bh_schedule_end", TMP_QEMU,
"qemu_bh_schedule")
local_trace.uprobe_add_event("p", "event_notifier_set", TMP_QEMU,
"event_notifier_set")
local_trace.uprobe_add_event("r", "event_notifier_set_end", TMP_QEMU,
"event_notifier_set")
local_trace.uprobe_add_event("p", "notify_event_cb", TMP_QEMU,
"notify_event_cb")
local_trace.uprobe_add_event("p", "event_notifier_test_and_clear",
TMP_QEMU, "event_notifier_test_and_clear")
local_trace.uprobe_add_event("p", "aio_notify", TMP_QEMU, "aio_notify")
local_trace.uprobe_add_event("r", "aio_notify_end", TMP_QEMU, "aio_notify")
# local_trace.uprobe_add_event("p", "e1000_mmio_write", TMP_QEMU, "e1000_mmio_write")
local_trace.uprobe_enable()
local_trace.empty_trace()
local_trace.trace_on()
# local_trace.trace_to_local_file()
vm.setup()
vm.run()
local_trace.set_event_filter("syscalls",
r'common_pid=={}'.format(vm.get_pid()))
local_trace.enable_event("syscalls")
remote_trace = Trace(vm.root, os.path.join(trace_dir, "trace_guest"))
remote_trace.setup()
remote_trace.set_buffer_size(200000)
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("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 vp_notify")
# remote_trace.kprobe_add("r:notify_end vp_notify")
remote_trace.kprobe_add("p:e1000_clean e1000_clean")
remote_trace.kprobe_add("p:e1000_kick e1000_qemu_kick")
remote_trace.kprobe_add("p:e1000_kick_halt e1000_halt_kick")
remote_trace.kprobe_enable()
# netperf = NetPerfTCP(None, runtime=15)
netperf = NetPerfLatency(None, runtime=15)
# netperf_perf = netperf.run_netperf(vm, msg_size="64K")
# print("Netperf performance: %s" % (netperf_perf, ))
# logger.info("Netperf performance: %s", netperf_perf)
# input("Press Enter to start tracing")
remote_trace.trace_on()
run_command_async("tcpdump -i tap0 -s 100 -w {} -W 1 -G 7".format(
os.path.join(trace_dir, "e1000.cap")))
remote_trace.trace_marker(TRACE_BEGIN_MSG)
netperf.runtime = 3
netperf_perf = netperf.run_netperf(vm, msg_size=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.runtime = 15
netperf_perf = netperf.run_netperf(vm, msg_size=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()
try:
os.unlink(os.path.join(trace_dir, "maps"))
except:
pass
shutil.copy("/proc/{}/maps".format(vm.get_pid()),
os.path.join(trace_dir, "maps"))
# input()
vm.teardown()
netserver_stop()
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()
def main(directory=None):
trace_dir = get_dir(directory)
if ORIG_QEMU != TMP_QEMU:
shutil.copyfile(ORIG_QEMU, TMP_QEMU)
os.makedirs(trace_dir, exist_ok=True)
netserver_start()
vm = QemuE1000NG(disk_path=r"../vms/ubuntu-20.img",
guest_ip="10.10.0.43",
host_ip="10.10.0.44")
# vm.netperf_test_params = "-C"
# vm.large_queue = True
# vm.queue_size = 1024*4
# vm.e1000_options["NG_parabatch"] = "on"
vm.e1000_options["NG_interrupt_mode"] = 3
vm.kernel_cmdline_additional = "e1000.NG_flags=1"
vm.is_io_thread_nice = False
vm.bootwait = 10
vm.e1000_options["NG_interrupt_min"] = 900
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")
# 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", "e1000_set_kick", TMP_QEMU, "e1000_set_kick")
local_trace.uprobe_add_event("p", "e1000_receive_batch_finished", TMP_QEMU, "e1000_receive_batch_finished",
"packets=%si interrupt_packets=+209052\(%di\):u32")
local_trace.uprobe_add_event("r", "tap_recv_packets_end", TMP_QEMU, "tap_send")
local_trace.uprobe_add_event("p", "tap_recv_packets", TMP_QEMU, "tap_send")
local_trace.uprobe_add_event("r", "all_cpu_idle_end", TMP_QEMU, "all_cpu_threads_idle_ex", misc=r"result=\$retval")
local_trace.uprobe_add_event("p", "all_cpu_idle", TMP_QEMU, "all_cpu_threads_idle_ex")
# local_trace.uprobe_add_event("p", "e1000_mmio_write", TMP_QEMU, "e1000_mmio_write")
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("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 vp_notify")
# remote_trace.kprobe_add("r:notify_end vp_notify")
remote_trace.kprobe_add("p:e1000_clean e1000_clean")
remote_trace.kprobe_add("p:e1000_kick e1000_qemu_kick")
remote_trace.kprobe_enable()
netperf = NetPerfLatency(None, runtime=15)
# netperf_perf = netperf.run_netperf(vm, msg_size="64K")
# print("Netperf performance: %s" % (netperf_perf, ))
# logger.info("Netperf performance: %s", netperf_perf)
# input("Press Enter to start tracing")
remote_trace.trace_on()
run_command_async("tcpdump -i tap0 -s 100 -w {} -W 1 -G 7".format(os.path.join(trace_dir, "e1000.cap")))
remote_trace.trace_marker(TRACE_BEGIN_MSG)
netperf.runtime = 5
netperf_perf = netperf.run_netperf(vm, msg_size=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.runtime = 15
netperf_perf = netperf.run_netperf(vm, msg_size=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()
vm.teardown()
netserver_stop()