| 1 | #!/usr/bin/python3 |
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| 2 | """ |
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| 3 | Python Script to implement R.M.I.T. testing : Randomized Multiple Interleaved Trials |
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| 4 | |
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| 5 | ./rmit.py run COMMAND CANDIDATES |
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| 6 | -t trials |
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| 7 | -o option:values |
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| 8 | """ |
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| 9 | |
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| 10 | |
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| 11 | import argparse |
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| 12 | import datetime |
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| 13 | import itertools |
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| 14 | import json |
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| 15 | import os |
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| 16 | import random |
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| 17 | import re |
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| 18 | import socket |
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| 19 | import subprocess |
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| 20 | import sys |
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| 21 | |
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| 22 | |
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| 23 | def parse_range(x): |
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| 24 | result = [] |
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| 25 | for part in x.split(','): |
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| 26 | if '-' in part: |
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| 27 | a, b = part.split('-') |
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| 28 | a, b = int(a), int(b) |
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| 29 | result.extend(range(a, b + 1)) |
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| 30 | else: |
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| 31 | a = int(part) |
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| 32 | result.append(a) |
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| 33 | return result |
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| 34 | |
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| 35 | class DependentOpt: |
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| 36 | def __init__(self, key, value): |
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| 37 | self.key = key |
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| 38 | self.value = value |
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| 39 | self.vars = re.findall("[a-zA-Z]", value) |
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| 40 | |
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| 41 | def parse_option(key, values): |
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| 42 | try: |
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| 43 | num = int(values) |
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| 44 | return key, [num] |
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| 45 | except: |
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| 46 | pass |
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| 47 | |
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| 48 | if values.startswith('\\'): |
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| 49 | return key, values[1:].split(',') |
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| 50 | elif re.search("^[0-9-,]+$", values): |
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| 51 | values = parse_range(values) |
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| 52 | return key, [v for v in values] |
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| 53 | else: |
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| 54 | return key, DependentOpt(key, values) |
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| 55 | |
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| 56 | def eval_one(fmt, vals): |
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| 57 | orig = fmt |
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| 58 | for k, v in vals: |
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| 59 | fmt = fmt.replace(k, str(v)) |
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| 60 | |
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| 61 | if not re.search("^[0-9-/*+ ]+$", fmt): |
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| 62 | print('ERROR: pattern option {} (interpreted as {}) could not be evaluated'.format(orig, fmt), file=sys.stderr) |
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| 63 | sys.exit(1) |
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| 64 | |
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| 65 | return eval(fmt) |
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| 66 | |
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| 67 | # Evaluate all the options |
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| 68 | # options can be of the for key = val or key = some_math(other_key) |
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| 69 | # produce a list of all the options to replace some_math(other_key) with actual value |
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| 70 | def eval_options(opts): |
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| 71 | # Find all the options with dependencies |
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| 72 | dependents = [d for d in opts.values() if type(d) is DependentOpt] |
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| 73 | |
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| 74 | # we need to find all the straglers |
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| 75 | processed = [] |
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| 76 | |
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| 77 | # extract all the necessary inputs |
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| 78 | input_keys = {} |
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| 79 | for d in dependents: |
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| 80 | # Mark the dependent as seen |
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| 81 | processed.append(d.key) |
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| 82 | |
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| 83 | # process each of the dependencies |
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| 84 | for dvar in d.vars: |
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| 85 | # Check that it depends on something that exists |
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| 86 | if not dvar in opts.keys(): |
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| 87 | print('ERROR: extra pattern option {}:{} uses unknown key {}'.format(d.key,d.value,dvar), file=sys.stderr) |
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| 88 | sys.exit(1) |
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| 89 | |
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| 90 | # Check that it's not nested |
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| 91 | if type(dvar) is DependentOpt: |
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| 92 | print('ERROR: dependent options cannot be nested {}:{} uses key {}'.format(d.key,d.value,dvar), file=sys.stderr) |
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| 93 | sys.exit(1) |
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| 94 | |
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| 95 | # Add the values to the input keys |
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| 96 | if dvar not in input_keys: |
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| 97 | input_keys[dvar] = opts[dvar] |
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| 98 | else : |
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| 99 | if input_keys[dvar] != opts[dvar]: |
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| 100 | print('INTERNAL ERROR: repeat input do not match {}:{} vs {}'.format(dvar,opts[dvar],input_keys[dvar]), file=sys.stderr) |
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| 101 | sys.exit(1) |
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| 102 | |
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| 103 | # Mark the input as seen |
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| 104 | processed.append(dvar) |
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| 105 | |
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| 106 | # add in all the straglers they should cause too many problems |
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| 107 | for k, v in opts.items(): |
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| 108 | if type(v) is DependentOpt: |
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| 109 | continue |
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| 110 | |
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| 111 | if k in processed: |
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| 112 | # consistency check |
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| 113 | if k not in input_keys: |
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| 114 | print('INTERNAL ERROR: key \'{}\' marked as processed but not in input_keys'.format(k), file=sys.stderr) |
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| 115 | sys.exit(1) |
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| 116 | continue |
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| 117 | |
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| 118 | # consistency check |
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| 119 | if k in input_keys: |
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| 120 | print('INTERNAL ERROR: key \'{}\' in input_keys but not marked as processed'.format(k), file=sys.stderr) |
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| 121 | sys.exit(1) |
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| 122 | |
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| 123 | # add the straggler |
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| 124 | input_keys[k] = v |
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| 125 | |
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| 126 | # flatten the dict into a list of pairs so it's easier to work with |
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| 127 | input_list = [] |
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| 128 | for k, v in input_keys.items(): |
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| 129 | input_list.append([(k, o) for o in v]) |
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| 130 | |
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| 131 | # evaluate all the dependents |
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| 132 | # they are not allowed to produce new values so it's a one-to-one mapping from here |
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| 133 | evaluated = [] |
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| 134 | for inputs in list(itertools.product(*input_list)): |
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| 135 | this_eval = list(inputs) |
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| 136 | for d in dependents: |
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| 137 | this_eval.append((d.key, eval_one(d.value, inputs))) |
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| 138 | |
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| 139 | evaluated.append(this_eval) |
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| 140 | |
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| 141 | # reformat everything to a list of arguments |
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| 142 | formated = [] |
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| 143 | for o in evaluated: |
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| 144 | inner = [] |
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| 145 | for k,v in o: |
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| 146 | inner.append("-{}".format(k)) |
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| 147 | inner.append("{}".format(v)) |
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| 148 | |
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| 149 | # print(inner) |
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| 150 | formated.append(inner) |
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| 151 | |
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| 152 | return formated |
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| 153 | |
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| 154 | # returns the first option with key 'opt' |
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| 155 | def search_option(action, opt): |
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| 156 | i = 0 |
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| 157 | while i < len(action): |
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| 158 | if action[i] == opt: |
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| 159 | i += 1 |
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| 160 | if i != len(action): |
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| 161 | return action[i] |
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| 162 | i += 1 |
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| 163 | |
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| 164 | return None |
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| 165 | |
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| 166 | def actions_eta(actions): |
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| 167 | time = 0 |
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| 168 | for a in actions: |
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| 169 | o = search_option(a, '-d') |
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| 170 | if o : |
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| 171 | time += int(o) |
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| 172 | return time |
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| 173 | |
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| 174 | taskset_maps = None |
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| 175 | |
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| 176 | def init_taskset_maps(): |
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| 177 | global taskset_maps |
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| 178 | known_hosts = { |
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| 179 | "jax": { |
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| 180 | range( 1, 25) : "48-71", |
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| 181 | range( 25, 49) : "48-71,144-167", |
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| 182 | range( 49, 97) : "48-95,144-191", |
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| 183 | range( 97, 145) : "24-95,120-191", |
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| 184 | range(145, 193) : "0-95,96-191", |
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| 185 | }, |
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| 186 | "nasus": { |
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| 187 | range( 1, 65) : "64-127", |
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| 188 | range( 65, 129) : "64-127,192-255", |
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| 189 | range(129, 193) : "64-255", |
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| 190 | range(193, 257) : "0-255", |
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| 191 | }, |
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| 192 | } |
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| 193 | |
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| 194 | if (host := socket.gethostname()) in known_hosts: |
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| 195 | taskset_maps = known_hosts[host] |
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| 196 | return True |
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| 197 | |
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| 198 | print("Warning unknown host '{}', disable taskset usage".format(host), file=sys.stderr) |
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| 199 | return False |
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| 200 | |
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| 201 | |
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| 202 | def settaskset_one(action): |
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| 203 | o = search_option(action, '-p') |
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| 204 | if not o: |
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| 205 | return action |
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| 206 | try: |
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| 207 | oi = int(o) |
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| 208 | except ValueError: |
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| 209 | return action |
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| 210 | |
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| 211 | m = "Not found" |
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| 212 | for key in taskset_maps: |
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| 213 | if oi in key: |
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| 214 | return ['taskset', '-c', taskset_maps[key], *action] |
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| 215 | |
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| 216 | print("Warning no mapping for {} cores".format(oi), file=sys.stderr) |
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| 217 | return action |
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| 218 | |
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| 219 | def settaskset(actions): |
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| 220 | return [settaskset_one(a) for a in actions] |
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| 221 | |
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| 222 | if __name__ == "__main__": |
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| 223 | # ================================================================================ |
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| 224 | # parse command line arguments |
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| 225 | formats = ['raw', 'csv', 'json'] |
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| 226 | parser = argparse.ArgumentParser(description='Python Script to implement R.M.I.T. testing : Randomized Multiple Interleaved Trials') |
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| 227 | parser.add_argument('--list', help='List all the commands that would be run', action='store_true') |
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| 228 | parser.add_argument('--file', nargs='?', type=argparse.FileType('w'), default=sys.stdout) |
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| 229 | parser.add_argument('--trials', help='Number of trials to run per combinaison', type=int, default=3) |
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| 230 | parser.add_argument('--notaskset', help='If specified, the trial will not use taskset to match the -p option', action='store_true') |
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| 231 | parser.add_argument('command', metavar='command', type=str, nargs=1, help='the command prefix to run') |
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| 232 | parser.add_argument('candidates', metavar='candidates', type=str, nargs='*', help='the candidate suffix to run') |
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| 233 | |
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| 234 | try: |
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| 235 | options, unknown = parser.parse_known_args() |
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| 236 | |
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| 237 | options.option = [] |
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| 238 | while unknown: |
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| 239 | key = unknown.pop(0) |
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| 240 | val = unknown.pop(0) |
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| 241 | |
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| 242 | if key[0] != '-': |
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| 243 | raise ValueError |
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| 244 | |
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| 245 | options.option.append((key[1:], val)) |
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| 246 | |
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| 247 | except: |
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| 248 | sys.exit(1) |
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| 249 | |
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| 250 | # ================================================================================ |
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| 251 | # Identify the commands to run |
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| 252 | command = './' + options.command[0] |
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| 253 | if options.candidates: |
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| 254 | commands = [command + "-" + c for c in options.candidates] |
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| 255 | else: |
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| 256 | commands = [command] |
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| 257 | for c in commands: |
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| 258 | if not os.path.isfile(c): |
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| 259 | print('ERROR: invalid command {}, file does not exist'.format(c), file=sys.stderr) |
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| 260 | sys.exit(1) |
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| 261 | |
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| 262 | if not os.access(c, os.X_OK): |
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| 263 | print('ERROR: invalid command {}, file not executable'.format(c), file=sys.stderr) |
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| 264 | sys.exit(1) |
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| 265 | |
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| 266 | |
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| 267 | # ================================================================================ |
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| 268 | # Identify the options to run |
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| 269 | opts = dict([parse_option(k, v) for k, v in options.option]) |
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| 270 | |
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| 271 | # Evaluate the options (options can depend on the value of other options) |
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| 272 | opts = eval_options(opts) |
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| 273 | |
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| 274 | # ================================================================================ |
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| 275 | # Figure out all the combinations to run |
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| 276 | actions = [] |
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| 277 | for p in itertools.product(range(options.trials), commands, opts): |
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| 278 | act = [p[1]] |
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| 279 | for o in p[2:]: |
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| 280 | act.extend(o) |
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| 281 | actions.append(act) |
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| 282 | |
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| 283 | # ================================================================================ |
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| 284 | # Fixup the different commands |
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| 285 | |
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| 286 | # Add tasksets |
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| 287 | withtaskset = False |
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| 288 | if not options.notaskset and init_taskset_maps(): |
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| 289 | withtaskset = True |
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| 290 | actions = settaskset(actions) |
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| 291 | |
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| 292 | # ================================================================================ |
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| 293 | # Now that we know what to run, print it. |
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| 294 | # find expected time |
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| 295 | time = actions_eta(actions) |
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| 296 | print("Running {} trials{}".format(len(actions), "" if time == 0 else " (expecting to take {})".format(str(datetime.timedelta(seconds=int(time)))) )) |
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| 297 | |
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| 298 | # dry run if options ask for it |
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| 299 | if options.list: |
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| 300 | for a in actions: |
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| 301 | print(" ".join(a)) |
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| 302 | sys.exit(0) |
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| 303 | |
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| 304 | |
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| 305 | # ================================================================================ |
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| 306 | # Prepare to run |
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| 307 | |
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| 308 | random.shuffle(actions) |
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| 309 | |
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| 310 | # ================================================================================ |
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| 311 | # Run |
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| 312 | options.file.write("[") |
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| 313 | first = True |
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| 314 | for i, a in enumerate(actions): |
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| 315 | sa = " ".join(a[3:] if withtaskset else a) |
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| 316 | if first: |
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| 317 | first = False |
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| 318 | else: |
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| 319 | options.file.write(",") |
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| 320 | if options.file != sys.stdout: |
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| 321 | print("{}/{} : {} \r".format(i, len(actions), sa), end = '') |
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| 322 | fields = {} |
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| 323 | with subprocess.Popen( a, stdout = subprocess.PIPE, stderr = subprocess.PIPE) as proc: |
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| 324 | out, err = proc.communicate() |
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| 325 | if proc.returncode != 0: |
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| 326 | print("ERROR: command '{}' encountered error, returned code {}".format(sa, proc.returncode), file=sys.stderr) |
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| 327 | print(err.decode("utf-8")) |
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| 328 | sys.exit(1) |
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| 329 | for s in out.decode("utf-8").splitlines(): |
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| 330 | match = re.search("^(.*):(.*)$", s) |
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| 331 | if match: |
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| 332 | try: |
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| 333 | fields[match.group(1).strip()] = float(match.group(2).strip().replace(',','')) |
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| 334 | except: |
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| 335 | pass |
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| 336 | |
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| 337 | options.file.write(json.dumps([a[3 if withtaskset else 0][2:], sa, fields])) |
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| 338 | options.file.flush() |
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| 339 | |
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| 340 | options.file.write("]\n") |
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| 341 | |
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| 342 | if options.file != sys.stdout: |
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| 343 | print("Done ") |
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