| 1 | #!/usr/bin/env python2
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| 2 | """test/syscall.py
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| 3 |
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| 4 | Print a results table.
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| 5 |
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| 6 | Input looks like
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| 7 |
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| 8 | 01-dash
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| 9 | 01-dash
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| 10 | 01-osh
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| 11 | 01-osh
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| 12 | 01-bash-4.4
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| 13 | ...
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| 14 | """
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| 15 | from __future__ import print_function
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| 16 |
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| 17 | import collections
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| 18 | import optparse
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| 19 | import os
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| 20 | import re
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| 21 | import sys
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| 22 |
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| 23 |
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| 24 | def log(msg, *args):
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| 25 | if args:
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| 26 | msg = msg % args
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| 27 | print(msg, file=sys.stderr)
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| 28 |
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| 29 |
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| 30 | def Cell(i):
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| 31 | """Visually show number of processes.
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| 32 |
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| 33 | ^ ^^ ^^^ etc.
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| 34 | """
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| 35 | s = '^' * i
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| 36 | return '%6s' % s
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| 37 |
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| 38 |
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| 39 | # lines look like this:
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| 40 | #
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| 41 | # 554 01-osh.1234
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| 42 | # 553 01-osh.1235
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| 43 |
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| 44 | WC_LINE = re.compile(
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| 45 | r'''
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| 46 | \s*
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| 47 | (\d+) # number of lines
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| 48 | \s+
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| 49 | ([a-z0-9.-]+) # shell name, could be bash-4.4
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| 50 | __
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| 51 | (\d{2}) # case ID
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| 52 | ''', re.VERBOSE)
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| 53 |
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| 54 | assert WC_LINE.match(' 68 osh-cpp__01.19610')
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| 55 | # This is unfortunate
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| 56 | assert WC_LINE.match(' 68 bash-4.4__01.19610')
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| 57 |
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| 58 |
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| 59 | def WriteHeader(f, shells, col=''):
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| 60 | f.write("ID\t")
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| 61 | for sh in shells:
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| 62 | # abbreviate
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| 63 | if sh.startswith('bash-4'):
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| 64 | sh = 'bash-4'
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| 65 | elif sh.startswith('bash-5'):
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| 66 | sh = 'bash-5'
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| 67 | f.write("%6s\t" % sh)
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| 68 | f.write('%s\t' % col)
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| 69 | f.write('Description')
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| 70 | f.write("\n")
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| 71 |
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| 72 |
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| 73 | def WriteProcessReport(f, cases, code_strs, proc_sh, num_procs,
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| 74 | procs_by_shell):
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| 75 | not_minimum = 0
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| 76 | more_than_bash = 0
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| 77 | fewer_than_bash = 0
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| 78 |
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| 79 | minimum = {} # case -> number of procses
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| 80 | for case_id in sorted(cases):
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| 81 | min_procs = 20
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| 82 | for sh in proc_sh:
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| 83 | n = num_procs[case_id, sh]
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| 84 | min_procs = min(n, min_procs)
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| 85 | minimum[case_id] = min_procs
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| 86 |
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| 87 | osh_count = num_procs[case_id, 'osh']
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| 88 | if osh_count != min_procs:
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| 89 | not_minimum += 1
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| 90 |
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| 91 | bash_count = num_procs[case_id, 'bash-5.2.21']
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| 92 | if osh_count > bash_count:
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| 93 | more_than_bash += 1
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| 94 | if osh_count < bash_count:
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| 95 | fewer_than_bash += 1
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| 96 |
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| 97 | f.write('Number of Processes Started, by shell and test case\n')
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| 98 | f.write('\n')
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| 99 | f.write("Cases where ...\n")
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| 100 | f.write(" OSH isn't the minimum: %d\n" % not_minimum)
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| 101 | f.write(" OSH starts more than bash 5: %d\n" % more_than_bash)
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| 102 | f.write(" OSH starts fewer than bash 5: %d\n\n" % fewer_than_bash)
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| 103 | f.write('\n')
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| 104 | WriteHeader(f, proc_sh, col='osh>min')
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| 105 | f.write('\n')
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| 106 |
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| 107 | f.write("TOTAL\t")
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| 108 | for sh in proc_sh:
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| 109 | f.write('%6d\t' % procs_by_shell[sh])
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| 110 | f.write('\n')
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| 111 | f.write('\n')
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| 112 |
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| 113 | for case_id in sorted(cases):
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| 114 | f.write(case_id + "\t")
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| 115 | for sh in proc_sh:
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| 116 | n = num_procs[case_id, sh]
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| 117 | f.write(Cell(n) + "\t")
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| 118 |
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| 119 | osh_count = num_procs[case_id, 'osh']
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| 120 | min_procs = minimum[case_id]
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| 121 | if osh_count != min_procs:
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| 122 | f.write('%d>%d\t' % (osh_count, min_procs))
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| 123 | else:
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| 124 | f.write('\t')
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| 125 |
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| 126 | f.write(code_strs[case_id])
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| 127 | f.write("\n")
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| 128 |
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| 129 | return not_minimum, more_than_bash, fewer_than_bash
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| 130 |
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| 131 |
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| 132 | def WriteSyscallReport(f, cases, code_strs, syscall_sh, num_syscalls,
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| 133 | syscalls_by_shell):
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| 134 | f.write('Number of Syscalls\n\n')
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| 135 |
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| 136 | WriteHeader(f, syscall_sh)
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| 137 |
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| 138 | for case_id in sorted(cases):
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| 139 | f.write(case_id + "\t")
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| 140 | #min_procs = 20
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| 141 | for sh in syscall_sh:
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| 142 | n = num_syscalls[case_id, sh]
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| 143 | f.write('%6d\t' % n)
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| 144 | #min_procs = min(n, min_procs)
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| 145 |
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| 146 | f.write('\t')
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| 147 |
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| 148 | f.write(code_strs[case_id])
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| 149 | f.write("\n")
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| 150 |
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| 151 | f.write("TOTAL\t")
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| 152 | for sh in syscall_sh:
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| 153 | f.write('%6d\t' % syscalls_by_shell[sh])
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| 154 | f.write('\n\n')
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| 155 |
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| 156 |
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| 157 | def Options():
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| 158 | """Returns an option parser instance."""
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| 159 | p = optparse.OptionParser()
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| 160 | p.add_option('--suite',
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| 161 | dest='suite',
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| 162 | default='SUITE',
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| 163 | help='Test suite name')
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| 164 | p.add_option(
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| 165 | '--not-minimum',
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| 166 | dest='not_minimum',
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| 167 | type=int,
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| 168 | default=0,
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| 169 | help=
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| 170 | "Expected number of cases where OSH doesn't start the minimum number of"
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| 171 | "processes")
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| 172 | p.add_option(
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| 173 | '--more-than-bash',
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| 174 | dest='more_than_bash',
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| 175 | type=int,
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| 176 | default=0,
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| 177 | help=
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| 178 | 'Expected number of cases where OSH starts more processes than bash')
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| 179 | return p
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| 180 |
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| 181 |
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| 182 | def main(argv):
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| 183 | o = Options()
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| 184 | opts, argv = o.parse_args(argv[1:])
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| 185 |
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| 186 | cases_path = argv[0]
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| 187 | out_dir = argv[1]
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| 188 |
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| 189 | code_strs = {}
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| 190 | with open(cases_path) as f:
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| 191 | for line in f:
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| 192 | case_id, code_str = line.split(None, 1) # whitespace
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| 193 | code_strs[case_id] = code_str
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| 194 |
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| 195 | cases = set()
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| 196 | shells = set()
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| 197 |
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| 198 | num_procs = collections.defaultdict(int)
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| 199 | procs_by_shell = collections.defaultdict(int)
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| 200 |
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| 201 | num_syscalls = collections.defaultdict(int)
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| 202 | syscalls_by_shell = collections.defaultdict(int)
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| 203 |
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| 204 | #
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| 205 | # Summarize Data
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| 206 | #
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| 207 |
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| 208 | for line in sys.stdin:
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| 209 | m = WC_LINE.match(line)
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| 210 | if not m:
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| 211 | raise RuntimeError('Invalid line %r' % line)
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| 212 | num_sys, sh, case = m.groups()
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| 213 | num_sys = int(num_sys)
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| 214 |
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| 215 | cases.add(case)
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| 216 | shells.add(sh)
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| 217 |
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| 218 | num_procs[case, sh] += 1
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| 219 | num_syscalls[case, sh] += num_sys
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| 220 |
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| 221 | procs_by_shell[sh] += 1
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| 222 | syscalls_by_shell[sh] += num_sys
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| 223 |
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| 224 | # Orders columns by how good the results are, then shell name.
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| 225 | proc_sh = sorted(procs_by_shell, key=lambda sh: (procs_by_shell[sh], sh))
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| 226 | syscall_sh = sorted(syscalls_by_shell,
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| 227 | key=lambda sh: (syscalls_by_shell[sh], sh))
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| 228 |
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| 229 | #
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| 230 | # Print Tables
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| 231 | #
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| 232 |
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| 233 | out_path = os.path.join(out_dir, 'processes.%s.txt' % opts.suite)
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| 234 | with open(out_path, 'w') as f:
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| 235 | not_minimum, more_than_bash, fewer_than_bash = WriteProcessReport(
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| 236 | f, cases, code_strs, proc_sh, num_procs, procs_by_shell)
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| 237 | log('Wrote %s', out_path)
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| 238 |
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| 239 | #
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| 240 | # Print Table of Syscall Counts
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| 241 | #
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| 242 |
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| 243 | out_path = os.path.join(out_dir, 'syscalls.%s.txt' % opts.suite)
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| 244 | with open(out_path, 'w') as f:
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| 245 | WriteSyscallReport(f, cases, code_strs, syscall_sh, num_syscalls,
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| 246 | syscalls_by_shell)
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| 247 | log('Wrote %s', out_path)
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| 248 |
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| 249 | ok = True
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| 250 | if more_than_bash != opts.more_than_bash:
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| 251 | log('Expected %d more than bash, got %d', opts.more_than_bash,
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| 252 | more_than_bash)
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| 253 | ok = False
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| 254 |
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| 255 | if not_minimum != opts.not_minimum:
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| 256 | log('Expected %d that are not minimal, got %d', opts.not_minimum,
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| 257 | not_minimum)
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| 258 | ok = False
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| 259 |
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| 260 | return 0 if ok else 1
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| 261 |
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| 262 |
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| 263 | if __name__ == '__main__':
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| 264 | try:
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| 265 | sys.exit(main(sys.argv))
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| 266 | except RuntimeError as e:
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| 267 | print('FATAL: %s' % e, file=sys.stderr)
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| 268 | sys.exit(1)
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