source: benchmark/process-mutilate.py @ ae020ea

#!/usr/bin/python3
"""
Python Script to convert output from mutilate to rmit like output
"""
import argparse
import json
import locale
import os
import re
import sys

locale.setlocale( locale.LC_ALL, 'en_US.UTF-8' )

parser = argparse.ArgumentParser(description='Python Script to convert output from mutilate to rmit like output')
parser.add_argument('--out', nargs='?', type=argparse.FileType('w'), default=sys.stdout)
parser.add_argument('--var', nargs='?', type=str, default='Target QPS')
try:
        options =  parser.parse_args()
except:
        print('ERROR: invalid arguments', file=sys.stderr)
        parser.print_help(sys.stderr)
        sys.exit(1)

thisdir = os.getcwd()
dirs = os.listdir( thisdir )

names = ['fibre', 'forall', 'vanilla']
names_re = '|'.join(names)

def precentile(line):
        fields = line.split()

        try:
                latAvs = fields[1]
                lat50s = fields[6]
                lat99s = fields[9]
        except:
                raise Warning("Warning: \"{}\"! insufficient fields".format(line))

        try:
                latAv = locale.atof(latAvs)
                lat50 = locale.atof(lat50s)
                lat99 = locale.atof(lat99s)
        except:
                raise Warning("Warning: \"{}\" \"{}\"! can't convert to float".format(lat50s, lat99s))

        return latAv, lat50, lat99

def want0(line):
        line = line.strip()
        if not line.endswith("= 0 (0.0%)"):
                raise Warning("Warning: \"{}\"! should be 0".format(line))

def extract(filename, out):
        with open(filename, "r") as file:
                lines = file.readlines()

        warns = []

        for line in lines:
                try:
                        if   line.startswith("read"):
                                rlatAv, rlat50, rlat99 = precentile(line)

                        elif line.startswith("update"):
                                ulatAv, ulat50, ulat99 = precentile(line)

                        elif line.startswith("Total QPS"):
                                match = re.search("Total QPS = ([0-9,\.]+)", line)
                                if match:
                                        try:
                                                qps = locale.atof(match[1])
                                        except:
                                                raise Warning("Warning: \"{}\" can't convert qps to float".format(match[1]))
                                else:
                                        raise Warning("Warning: \"{}\" line unreadable".format(line))

                        if line.startswith("Misses") or line.startswith("Skipped TXs"):
                                want0(line)
                except Warning as w:
                        warns.append(str(w))

        try:
                out['Actual QPS'] = qps
        except:
                warns.append("Warning: No total QPS")

        try:
                out['Average Read Latency'] = rlatAv
                out['Median Read Latency'] = rlat50
                out['Tail Read Latency'] = rlat99
        except:
                warns.append("Warning: no read latencies")

        try:
                out['Average Update Latency'] = ulatAv
                out['Median Update Latency'] = ulat50
                out['Tail Update Latency'] = ulat99
        except:
                warns.append("Warning: no update latencies")

        return warns


data = []

for filename in dirs:
        f = os.path.join( thisdir, filename )
        # checking if it is a file
        if os.path.isfile(f):
                match = re.search("({})\.([0-9]+)\.([0-9]+)".format(names_re), filename)
                try:
                        series = match[1]
                        rate = match[2]
                        rep = match[3]
                except:
                        continue

                d = { options.var : int(rate) }

                w = extract( f, d )

                data.append([series, "memcached {}".format(series), d])
                if w:
                        print("{} {} {}\n{}\n".format(series, rate, rep, '\n'.join(w)))

options.out.write(json.dumps(data))
options.out.flush()
options.out.write("\n")