def core_change(self):
global _handoff_start_time
(activate_time, core_list) = self.cpu_bw_changes.pop(0)
while(not self.stop.wait(1)):
duration = time.time() - _handoff_start_time[0]
LOG.info("control_core\t%f\t%f\t%s" % (activate_time, duration, core_list))
if activate_time <= duration:
# change number of core
self._set_affinity_chilren(core_list)
current_cores = VMOverlayCreationMode.get_num_cores()
VMOverlayCreationMode.set_num_cores(len(core_list))
LOG.info("control_core\t%f\tupdate all children to %s" % (duration, core_list))
try:
(activate_time, core_list) = self.cpu_bw_changes.pop(0)
except IndexError as e:
LOG.info("control_core\tno more data")
break
else:
continue
LOG.info("control_core\tfinish bw control thread")
def validation_mode():
mode_list = list()
core = 4
mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue()
mode.NUM_PROC_DISK_DIFF = core
mode.NUM_PROC_MEMORY_DIFF = core
mode.NUM_PROC_OPTIMIZATION = core
mode.NUM_PROC_COMPRESSION = core
mode_list.append(mode)
return mode_list
def validation_mode():
mode_list = list()
core = 4
mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue()
mode.NUM_PROC_DISK_DIFF = core
mode.NUM_PROC_MEMORY_DIFF = core
mode.NUM_PROC_OPTIMIZATION = core
mode.NUM_PROC_COMPRESSION = core
mode_list.append(mode)
return mode_list
def profiling_workload(num_cores):
mode_list = list()
for comp_type in (Const.COMPRESSION_LZMA, Const.COMPRESSION_BZIP2, Const.COMPRESSION_GZIP):
#for comp_type in [Const.COMPRESSION_GZIP]:
for comp_level in [1, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
#for comp_level in [9, 9]:
overlay_mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue(num_cores=num_cores)
overlay_mode.COMPRESSION_ALGORITHM_TYPE = comp_type
overlay_mode.COMPRESSION_ALGORITHM_SPEED = comp_level
overlay_mode.MEMORY_DIFF_ALGORITHM = "none"
overlay_mode.DISK_DIFF_ALGORITHM = "none"
mode_list.append(overlay_mode)
return mode_list
def profiling_workload(num_cores):
mode_list = list()
#for comp_type in (Const.COMPRESSION_LZMA, Const.COMPRESSION_BZIP2, Const.COMPRESSION_GZIP):
for comp_type in [Const.COMPRESSION_GZIP]:
#for comp_level in [1, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
for comp_level in [9, 9]:
overlay_mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue(num_cores=num_cores)
overlay_mode.COMPRESSION_ALGORITHM_TYPE = comp_type
overlay_mode.COMPRESSION_ALGORITHM_SPEED = comp_level
overlay_mode.MEMORY_DIFF_ALGORITHM = "none"
overlay_mode.DISK_DIFF_ALGORITHM = "none"
mode_list.append(overlay_mode)
return mode_list
def core_change(self):
global _handoff_start_time
(activate_time, core_list) = self.cpu_bw_changes.pop(0)
while (not self.stop.wait(1)):
duration = time.time() - _handoff_start_time[0]
LOG.info("control_core\t%f\t%f\t%s" %
(activate_time, duration, core_list))
if activate_time <= duration:
# change number of core
self._set_affinity_chilren(core_list)
current_cores = VMOverlayCreationMode.get_num_cores()
VMOverlayCreationMode.set_num_cores(len(core_list))
LOG.info("control_core\t%f\tupdate all children to %s" %
(duration, core_list))
try:
(activate_time, core_list) = self.cpu_bw_changes.pop(0)
except IndexError as e:
LOG.info("control_core\tno more data")
break
else:
continue
LOG.info("control_core\tfinish bw control thread")
def profiling_workload():
NUM_CPU_CORES = 1
mode_list = list()
for repeat in xrange(3):
for diff in ("xor", "xdelta3", "bsdiff", "none"):
for comp_type in (Const.COMPRESSION_LZMA, Const.COMPRESSION_BZIP2, Const.COMPRESSION_GZIP):
for comp_level in [1, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
overlay_mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue(num_cores=NUM_CPU_CORES)
overlay_mode.COMPRESSION_ALGORITHM_TYPE = comp_type
overlay_mode.COMPRESSION_ALGORITHM_SPEED = comp_level
overlay_mode.MEMORY_DIFF_ALGORITHM = diff
overlay_mode.DISK_DIFF_ALGORITHM = diff
mode_list.append(overlay_mode)
return mode_list
def serial_vs_pipe():
# serial vs pipeline
mode = VMOverlayCreationMode.get_serial_single_process()
mode.COMPRESSION_ALGORITHM_TYPE = Const.COMPRESSION_LZMA
mode.COMPRESSION_ALGORITHM_SPEED = 5
mode.MEMORY_DIFF_ALGORITHM = "xdelta3"
mode.DISK_DIFF_ALGORITHM = "xdelta3"
mode.NUM_PROC_DISK_DIFF = core
mode.NUM_PROC_MEMORY_DIFF = core
mode.NUM_PROC_OPTIMIZATION = core
mode.NUM_PROC_COMPRESSION = core
mode_list.append(mode)
mode_list = list()
return mode_list
def serial_vs_pipe():
# serial vs pipeline
mode = VMOverlayCreationMode.get_serial_single_process()
mode.COMPRESSION_ALGORITHM_TYPE = Const.COMPRESSION_LZMA
mode.COMPRESSION_ALGORITHM_SPEED = 5
mode.MEMORY_DIFF_ALGORITHM = "xdelta3"
mode.DISK_DIFF_ALGORITHM = "xdelta3"
mode.NUM_PROC_DISK_DIFF = core
mode.NUM_PROC_MEMORY_DIFF = core
mode.NUM_PROC_OPTIMIZATION = core
mode.NUM_PROC_COMPRESSION = core
mode_list.append(mode)
mode_list = list()
return mode_list
def scaling_test():
mode_list = list()
# scale
for core in (1, 1, 4): #(1, 1,2,3,4):
mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue()
mode.COMPRESSION_ALGORITHM_TYPE = Const.COMPRESSION_LZMA
mode.COMPRESSION_ALGORITHM_SPEED = 5
mode.MEMORY_DIFF_ALGORITHM = "xdelta3"
mode.DISK_DIFF_ALGORITHM = "xdelta3"
mode.NUM_PROC_DISK_DIFF = core
mode.NUM_PROC_MEMORY_DIFF = core
mode.NUM_PROC_OPTIMIZATION = core
mode.NUM_PROC_COMPRESSION = core
mode_list.append(mode)
return mode_list
def profiling_workload():
NUM_CPU_CORES = 1
mode_list = list()
for repeat in xrange(3):
for diff in ("xor", "xdelta3", "bsdiff", "none"):
for comp_type in (Const.COMPRESSION_LZMA, Const.COMPRESSION_BZIP2,
Const.COMPRESSION_GZIP):
for comp_level in [1, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
overlay_mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue(
num_cores=NUM_CPU_CORES)
overlay_mode.COMPRESSION_ALGORITHM_TYPE = comp_type
overlay_mode.COMPRESSION_ALGORITHM_SPEED = comp_level
overlay_mode.MEMORY_DIFF_ALGORITHM = diff
overlay_mode.DISK_DIFF_ALGORITHM = diff
mode_list.append(overlay_mode)
return mode_list
def scaling_test():
mode_list = list()
# scale
for core in (1,1,4): #(1, 1,2,3,4):
mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue()
mode.COMPRESSION_ALGORITHM_TYPE = Const.COMPRESSION_LZMA
mode.COMPRESSION_ALGORITHM_SPEED = 5
mode.MEMORY_DIFF_ALGORITHM = "xdelta3"
mode.DISK_DIFF_ALGORITHM = "xdelta3"
mode.NUM_PROC_DISK_DIFF = core
mode.NUM_PROC_MEMORY_DIFF = core
mode.NUM_PROC_OPTIMIZATION = core
mode.NUM_PROC_COMPRESSION = core
mode_list.append(mode)
return mode_list
num_core = 1
bandwidth = [5, 10, 15, 20, 25, 30, 30]
bandwidth.reverse()
#num_cores_list = [4,4,3,2,1]; network_bw = 10
for (base_path, overlay_path) in workloads:
for network_bw in bandwidth:
#for num_core in num_cores_list:
# confiure network using TC
cmd = "sudo %s restart %d" % (os.path.abspath("./traffic_shaping"), network_bw)
LOG.debug(cmd)
LOG.debug(subprocess.check_output(cmd.split(" ")))
#VMOverlayCreationMode.USE_STATIC_NETWORK_BANDWIDTH = network_bw
# generate mode
VMOverlayCreationMode.LIVE_MIGRATION_STOP = VMOverlayCreationMode.LIVE_MIGRATION_FINISH_USE_SNAPSHOT_SIZE
overlay_mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue(num_cores=num_core)
overlay_mode.COMPRESSION_ALGORITHM_TYPE = Const.COMPRESSION_GZIP
overlay_mode.COMPRESSION_ALGORITHM_SPEED = 1
overlay_mode.MEMORY_DIFF_ALGORITHM = "none"
overlay_mode.DISK_DIFF_ALGORITHM = "none"
LOG.debug("network-test\t%s-%s (Mbps)" % (network_bw, num_core))
is_url, overlay_url = PackagingUtil.is_zip_contained(overlay_path)
#run_file(base_path, overlay_url, overlay_mode)
run_network(base_path, overlay_url, overlay_mode)
time.sleep(30)
for (base_path, overlay_path) in workloads:
for network_bw in bandwidth:
# confiure network using TC
cmd = "sudo %s restart %d" % (os.path.abspath("./traffic_shaping"),
network_bw)
LOG.debug(cmd)
LOG.debug(subprocess.check_output(cmd.split(" ")))
VMOverlayCreationMode.USE_STATIC_NETWORK_BANDWIDTH = network_bw
# start controlling number of cores
cpu_control = CPUCoreControl()
cpu_control.start()
# generate mode
VMOverlayCreationMode.LIVE_MIGRATION_STOP = VMOverlayCreationMode.LIVE_MIGRATION_FINISH_USE_SNAPSHOT_SIZE
overlay_mode = VMOverlayCreationMode.get_pipelined_multi_process_finite_queue(
num_cores=num_core)
overlay_mode.COMPRESSION_ALGORITHM_TYPE = Const.COMPRESSION_GZIP
overlay_mode.COMPRESSION_ALGORITHM_SPEED = 1
overlay_mode.MEMORY_DIFF_ALGORITHM = "none"
overlay_mode.DISK_DIFF_ALGORITHM = "none"
overlay_mode.set_num_cores(num_core)
LOG.debug("network-test\t%s-varying (Mbps)" % (num_core))
is_url, overlay_url = PackagingUtil.is_zip_contained(overlay_path)
run_network(base_path, overlay_url, overlay_mode)
cpu_control.terminate()
cpu_control.join()
time.sleep(30)
