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analyze.py
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analyze.py
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#!/usr/bin/python
#author: jobs
#email: [email protected]
import sys
import os.path
import re
import json
KEY = 0
PTN = 1
VAL = 2
AVG = 3
REP = 4
get_float_avg = lambda items: sum(items) / float(len(items))
def manual():
print """
usage:
python analyze.py [log] [separator] [output]
sample:
python analyze.py hustdb_put.log @huststore_benchmark hustdb_put.json
"""
def load_file(uri):
with open(uri) as f:
return f.read()
def get_avg_success_rate(items):
reqs = sum([item[0] for item in items])
errs = sum([item[1] for item in items])
rate = float(reqs - errs) * float(100) / float(reqs)
return { "success rate": '%.2f%%' % rate, "reqs": { "total": reqs, "errs": errs } }
def get_avg_latency(items):
avgdict = {}
for item in items:
key = item[0]
latency = item[1]
if not key in avgdict:
avgdict[key] = [latency]
else:
avgdict[key].append(latency)
avgs = [[key, get_float_avg(avgdict[key])] for key in avgdict]
avgs.sort(key = lambda item : item[0], reverse = False)
return [['%.3f%%' % item[0], '%.2fms' % item[1]] for item in avgs]
def get_avg_thread_stats(unit):
def get_avg(items):
avgs = [[],[],[],[]]
size = len(avgs)
for item in items:
for i in xrange(size):
avgs[i].append(item[i])
get_avg_str = lambda items, unit: '%.2f%s' % (get_float_avg(items), unit)
return {
'Avg': get_avg_str(avgs[0], unit),
'Stdev': get_avg_str(avgs[1], unit),
'Max': get_avg_str(avgs[2], unit),
'+/- Stdev': '%.2f%%' % get_float_avg(avgs[3])
}
return get_avg
def init_patterns():
return [
[
'Requests/sec',
re.compile('^Requests/sec:\s+(?P<qps>[\d|\.]+)$'),
lambda d: float(d['qps']),
get_float_avg,
False
],
[
'Transfer/sec',
re.compile('^Transfer/sec:\s+(?P<io>[\d|\.]+)MB$'),
lambda d: float(d['io']),
lambda items: '%.2fMB' % get_float_avg(items),
False
],
[
'Success rate',
re.compile('^\[summary\]\s+loop:\s+[\d]+,\s+requests:\s+(?P<reqs>[\d]+),\s+fails:\s+(?P<errs>[\d]+)$'),
lambda d: [int(d['reqs']), int(d['errs'])],
get_avg_success_rate,
False
],
[
'Latency Distribution',
re.compile('^\[Latency Distribution\]\s+(?P<key>[\d|\.]+)%\s+(?P<latency>[\d|\.]+)ms$'),
lambda d: [float(d['key']), float(d['latency'])],
get_avg_latency,
True
],
[
'Thread Latency',
re.compile('^\s+Latency\s+(?P<avg>[\d|\.]+)ms\s+(?P<stdev>[\d|\.]+)ms\s+(?P<max>[\d|\.]+)ms\s+(?P<rate>[\d|\.]+)%$'),
lambda d: [float(d['avg']), float(d['stdev']), float(d['max']), float(d['rate'])],
get_avg_thread_stats('ms'),
False
],
[
'Thread QPS',
re.compile('^\s+Req/Sec\s+(?P<avg>[\d|\.]+)k\s+(?P<stdev>[\d|\.]+)k\s+(?P<max>[\d|\.]+)k\s+(?P<rate>[\d|\.]+)%$'),
lambda d: [float(d['avg']), float(d['stdev']), float(d['max']), float(d['rate'])],
get_avg_thread_stats('k'),
False
]
]
def match_pattern(ptns, line, results):
for ptn in ptns:
m = ptn[PTN].match(line)
if None == m:
continue
key = ptn[KEY]
val = ptn[VAL](m.groupdict())
if not key in results:
results[key] = [val]
else:
results[key].append(val)
if not ptn[REP]:
ptns.remove(ptn)
break
def get_avg_dict(ptns):
avgs = {}
for item in ptns:
avgs[item[KEY]] = item[AVG]
return avgs
def analyze(uri, ft, output):
patterns = init_patterns()
avgdict = get_avg_dict(patterns)
cwd = os.path.split(os.path.realpath(__file__))[0]
filename = os.path.splitext(os.path.basename(uri))[0]
data = load_file(uri)
results = {}
for item in data.split(ft):
ptns = [p for p in patterns]
for line in item.split('\n'):
match_pattern(ptns, line, results)
stats = {}
for key in results:
stats[key] = avgdict[key](results[key])
pop_val = lambda stats, key: stats.pop(key) if key in stats else ''
stats['Thread Stats'] = {'Latency': pop_val(stats, 'Thread Latency'), 'Req/Sec': pop_val(stats, 'Thread QPS')}
with open(output, 'w') as f:
json.dump(stats, f, indent = 4)
return True
def parse_shell(argv):
return analyze(argv[1], argv[2], argv[3]) if 4 == len(argv) else False
if __name__ == "__main__":
if not parse_shell(sys.argv):
manual()