def get_eff_bw_stats(self, input_file):
data = read_list(input_file, " ")
eff_bw = []
for row in data:
if row[0] != "host_stat:":
continue
ebw = 0
try:
ebw = float(row[-1])
except:
continue
eff_bw.append(ebw)
return eff_bw
def get_bw_stats(self, input_file, pat_iface):
pat_iface = re.compile(pat_iface)
data = read_list(input_file)
rate = {}
column = 3
for row in data:
try:
ifname = row[1]
except Exception as e:
break
if pat_iface.match(ifname):
if ifname not in rate:
rate[ifname] = []
try:
rate[ifname].append(float(row[column]) * 8.0 / (1 << 20))
except Exception as e:
break
vals = {}
avg_bw = []
match = 0
avg_bw_iface = {}
filtered_bw = {}
for iface, bws in rate.items():
rate[iface] = self.moving_average(bws[10:-10], 100)
avg_bw.append(avg(bws[10:-10]))
avg_bw_iface[iface] = avg(bws[10:-10])
match += 1
# Update the num of interfaces to reflect true matches
# TODO: This is a hack. Remove.
self.num_ifaces = match
total_bw = list(itertools.chain.from_iterable(rate.values()))
vals["avg_bw_iface"] = avg_bw_iface
vals["avg_bw"] = fsum(avg_bw)
vals["median_bw"] = np.median(total_bw)
vals["max_bw"] = max(total_bw)
vals["stdev_bw"] = stdev(total_bw)
return vals, rate
def get_qlen_stats(self, input_file, pat_iface):
data = read_list(input_file)
pat_iface = re.compile(pat_iface)
qlen = {}
for row in data:
try:
ifname = row[0]
except Exception as e:
break
if pat_iface.match(ifname):
if ifname not in qlen:
qlen[ifname] = []
try:
qlen[ifname].append(int(row[2]))
except Exception as e:
break
vals = {}
qlens = []
avg_qlen_iface = {}
full_qlen_iface = {}
for iface, queues in qlen.items():
qlens.append(queues)
avg_qlen_iface[iface] = avg(queues)
full_qlen_iface[iface] = queues
# qlens = map(float, col(2, data))[10:-10]
qlens = list(itertools.chain.from_iterable(qlens))
vals["full_qlen_iface"] = full_qlen_iface
vals["avg_qlen_iface"] = avg_qlen_iface
vals["avg_qlen"] = avg(qlens)
vals["median_qlen"] = np.median(qlens)
vals["max_qlen"] = max(qlens)
vals["stdev_qlen"] = stdev(qlens)
vals["xcdf_qlen"], vals["ycdf_qlen"] = cdf(qlens)
return vals