tests/multipath.at

   1 AT_BANNER([multipath link selection])
   2
   3 # The test-multipath program prints a lot of output on stdout, but each of the
   4 # tests below ignores it because it will vary a bit depending on endianness and
   5 # floating point precision.  test-multipath will output an error message on
   6 # stderr and return with exit code 1 if anything really goes wrong.  In each
   7 # case, we list the (approximate) expected output in a comment to aid debugging
   8 # if the test does fail.
   9
  10 AT_SETUP([modulo_n multipath link selection])
  11 AT_CHECK([[test-multipath 'eth_src,50,modulo_n,1,0,NXM_NX_REG0[]']],
  12   [0], [ignore])
  13 # 1 ->  2: disruption=0.50 (perfect=0.50); stddev/expected=0.0000
  14 # 2 ->  3: disruption=0.66 (perfect=0.33); stddev/expected=0.0023
  15 # 3 ->  4: disruption=0.75 (perfect=0.25); stddev/expected=0.0061
  16 # 4 ->  5: disruption=0.80 (perfect=0.20); stddev/expected=0.0082
  17 # 5 ->  6: disruption=0.83 (perfect=0.17); stddev/expected=0.0083
  18 # 6 ->  7: disruption=0.86 (perfect=0.14); stddev/expected=0.0061
  19 # 7 ->  8: disruption=0.88 (perfect=0.12); stddev/expected=0.0103
  20 # 8 ->  9: disruption=0.89 (perfect=0.11); stddev/expected=0.0129
  21 # 9 -> 10: disruption=0.90 (perfect=0.10); stddev/expected=0.0091
  22 #10 -> 11: disruption=0.91 (perfect=0.09); stddev/expected=0.0114
  23 #11 -> 12: disruption=0.91 (perfect=0.08); stddev/expected=0.0073
  24 #12 -> 13: disruption=0.92 (perfect=0.08); stddev/expected=0.0165
  25 #13 -> 14: disruption=0.93 (perfect=0.07); stddev/expected=0.0149
  26 #14 -> 15: disruption=0.93 (perfect=0.07); stddev/expected=0.0127
  27 #15 -> 16: disruption=0.94 (perfect=0.06); stddev/expected=0.0142
  28 #16 -> 17: disruption=0.94 (perfect=0.06); stddev/expected=0.0098
  29 #17 -> 18: disruption=0.94 (perfect=0.06); stddev/expected=0.0159
  30 #18 -> 19: disruption=0.95 (perfect=0.05); stddev/expected=0.0121
  31 #19 -> 20: disruption=0.95 (perfect=0.05); stddev/expected=0.0195
  32 #20 -> 21: disruption=0.95 (perfect=0.05); stddev/expected=0.0120
  33 #21 -> 22: disruption=0.95 (perfect=0.05); stddev/expected=0.0181
  34 #22 -> 23: disruption=0.96 (perfect=0.04); stddev/expected=0.0222
  35 #23 -> 24: disruption=0.96 (perfect=0.04); stddev/expected=0.0164
  36 #24 -> 25: disruption=0.96 (perfect=0.04); stddev/expected=0.0146
  37 #25 -> 26: disruption=0.96 (perfect=0.04); stddev/expected=0.0175
  38 #26 -> 27: disruption=0.96 (perfect=0.04); stddev/expected=0.0231
  39 #27 -> 28: disruption=0.96 (perfect=0.04); stddev/expected=0.0172
  40 #28 -> 29: disruption=0.97 (perfect=0.03); stddev/expected=0.0211
  41 #29 -> 30: disruption=0.97 (perfect=0.03); stddev/expected=0.0213
  42 #30 -> 31: disruption=0.97 (perfect=0.03); stddev/expected=0.0253
  43 #31 -> 32: disruption=0.97 (perfect=0.03); stddev/expected=0.0208
  44 #32 -> 33: disruption=0.97 (perfect=0.03); stddev/expected=0.0223
  45 #33 -> 34: disruption=0.97 (perfect=0.03); stddev/expected=0.0215
  46 #34 -> 35: disruption=0.97 (perfect=0.03); stddev/expected=0.0201
  47 #35 -> 36: disruption=0.97 (perfect=0.03); stddev/expected=0.0220
  48 #36 -> 37: disruption=0.97 (perfect=0.03); stddev/expected=0.0221
  49 #37 -> 38: disruption=0.97 (perfect=0.03); stddev/expected=0.0201
  50 #38 -> 39: disruption=0.97 (perfect=0.03); stddev/expected=0.0215
  51 #39 -> 40: disruption=0.97 (perfect=0.03); stddev/expected=0.0271
  52 #40 -> 41: disruption=0.98 (perfect=0.02); stddev/expected=0.0272
  53 #41 -> 42: disruption=0.98 (perfect=0.02); stddev/expected=0.0208
  54 #42 -> 43: disruption=0.98 (perfect=0.02); stddev/expected=0.0226
  55 #43 -> 44: disruption=0.98 (perfect=0.02); stddev/expected=0.0264
  56 #44 -> 45: disruption=0.98 (perfect=0.02); stddev/expected=0.0233
  57 #45 -> 46: disruption=0.98 (perfect=0.02); stddev/expected=0.0285
  58 #46 -> 47: disruption=0.98 (perfect=0.02); stddev/expected=0.0246
  59 #47 -> 48: disruption=0.98 (perfect=0.02); stddev/expected=0.0282
  60 #48 -> 49: disruption=0.98 (perfect=0.02); stddev/expected=0.0233
  61 #49 -> 50: disruption=0.98 (perfect=0.02); stddev/expected=0.0197
  62 #50 -> 51: disruption=0.98 (perfect=0.02); stddev/expected=0.0317
  63 #51 -> 52: disruption=0.98 (perfect=0.02); stddev/expected=0.0283
  64 #52 -> 53: disruption=0.98 (perfect=0.02); stddev/expected=0.0282
  65 #53 -> 54: disruption=0.98 (perfect=0.02); stddev/expected=0.0273
  66 #54 -> 55: disruption=0.98 (perfect=0.02); stddev/expected=0.0283
  67 #55 -> 56: disruption=0.98 (perfect=0.02); stddev/expected=0.0288
  68 #56 -> 57: disruption=0.98 (perfect=0.02); stddev/expected=0.0263
  69 #57 -> 58: disruption=0.98 (perfect=0.02); stddev/expected=0.0339
  70 #58 -> 59: disruption=0.98 (perfect=0.02); stddev/expected=0.0262
  71 #59 -> 60: disruption=0.98 (perfect=0.02); stddev/expected=0.0309
  72 #60 -> 61: disruption=0.98 (perfect=0.02); stddev/expected=0.0285
  73 #61 -> 62: disruption=0.98 (perfect=0.02); stddev/expected=0.0288
  74 #62 -> 63: disruption=0.98 (perfect=0.02); stddev/expected=0.0298
  75 #63 -> 64: disruption=0.98 (perfect=0.02); stddev/expected=0.0277
  76 AT_CLEANUP
  77
  78 AT_SETUP([hash_threshold multipath link selection])
  79 AT_CHECK([[test-multipath 'eth_src,50,hash_threshold,1,0,NXM_NX_REG0[]']],
  80   [0], [ignore])
  81 # 1 ->  2: disruption=0.50 (perfect=0.50); stddev/expected=0.0000
  82 # 2 ->  3: disruption=0.50 (perfect=0.33); stddev/expected=0.0056
  83 # 3 ->  4: disruption=0.50 (perfect=0.25); stddev/expected=0.0050
  84 # 4 ->  5: disruption=0.50 (perfect=0.20); stddev/expected=0.0074
  85 # 5 ->  6: disruption=0.50 (perfect=0.17); stddev/expected=0.0031
  86 # 6 ->  7: disruption=0.50 (perfect=0.14); stddev/expected=0.0078
  87 # 7 ->  8: disruption=0.50 (perfect=0.12); stddev/expected=0.0085
  88 # 8 ->  9: disruption=0.50 (perfect=0.11); stddev/expected=0.0093
  89 # 9 -> 10: disruption=0.50 (perfect=0.10); stddev/expected=0.0083
  90 #10 -> 11: disruption=0.51 (perfect=0.09); stddev/expected=0.0110
  91 #11 -> 12: disruption=0.50 (perfect=0.08); stddev/expected=0.0124
  92 #12 -> 13: disruption=0.50 (perfect=0.08); stddev/expected=0.0143
  93 #13 -> 14: disruption=0.50 (perfect=0.07); stddev/expected=0.0148
  94 #14 -> 15: disruption=0.50 (perfect=0.07); stddev/expected=0.0099
  95 #15 -> 16: disruption=0.50 (perfect=0.06); stddev/expected=0.0166
  96 #16 -> 17: disruption=0.50 (perfect=0.06); stddev/expected=0.0099
  97 #17 -> 18: disruption=0.50 (perfect=0.06); stddev/expected=0.0194
  98 #18 -> 19: disruption=0.50 (perfect=0.05); stddev/expected=0.0169
  99 #19 -> 20: disruption=0.50 (perfect=0.05); stddev/expected=0.0169
 100 #20 -> 21: disruption=0.50 (perfect=0.05); stddev/expected=0.0185
 101 #21 -> 22: disruption=0.50 (perfect=0.05); stddev/expected=0.0160
 102 #22 -> 23: disruption=0.50 (perfect=0.04); stddev/expected=0.0236
 103 #23 -> 24: disruption=0.50 (perfect=0.04); stddev/expected=0.0147
 104 #24 -> 25: disruption=0.50 (perfect=0.04); stddev/expected=0.0195
 105 #25 -> 26: disruption=0.50 (perfect=0.04); stddev/expected=0.0199
 106 #26 -> 27: disruption=0.50 (perfect=0.04); stddev/expected=0.0227
 107 #27 -> 28: disruption=0.50 (perfect=0.04); stddev/expected=0.0198
 108 #28 -> 29: disruption=0.50 (perfect=0.03); stddev/expected=0.0216
 109 #29 -> 30: disruption=0.50 (perfect=0.03); stddev/expected=0.0233
 110 #30 -> 31: disruption=0.50 (perfect=0.03); stddev/expected=0.0266
 111 #31 -> 32: disruption=0.51 (perfect=0.03); stddev/expected=0.0238
 112 #32 -> 33: disruption=0.50 (perfect=0.03); stddev/expected=0.0194
 113 #33 -> 34: disruption=0.50 (perfect=0.03); stddev/expected=0.0173
 114 #34 -> 35: disruption=0.50 (perfect=0.03); stddev/expected=0.0223
 115 #35 -> 36: disruption=0.50 (perfect=0.03); stddev/expected=0.0220
 116 #36 -> 37: disruption=0.50 (perfect=0.03); stddev/expected=0.0237
 117 #37 -> 38: disruption=0.50 (perfect=0.03); stddev/expected=0.0237
 118 #38 -> 39: disruption=0.50 (perfect=0.03); stddev/expected=0.0251
 119 #39 -> 40: disruption=0.50 (perfect=0.03); stddev/expected=0.0212
 120 #40 -> 41: disruption=0.50 (perfect=0.02); stddev/expected=0.0267
 121 #41 -> 42: disruption=0.50 (perfect=0.02); stddev/expected=0.0242
 122 #42 -> 43: disruption=0.50 (perfect=0.02); stddev/expected=0.0222
 123 #43 -> 44: disruption=0.50 (perfect=0.02); stddev/expected=0.0244
 124 #44 -> 45: disruption=0.50 (perfect=0.02); stddev/expected=0.0231
 125 #45 -> 46: disruption=0.50 (perfect=0.02); stddev/expected=0.0299
 126 #46 -> 47: disruption=0.50 (perfect=0.02); stddev/expected=0.0263
 127 #47 -> 48: disruption=0.50 (perfect=0.02); stddev/expected=0.0307
 128 #48 -> 49: disruption=0.50 (perfect=0.02); stddev/expected=0.0253
 129 #49 -> 50: disruption=0.50 (perfect=0.02); stddev/expected=0.0228
 130 #50 -> 51: disruption=0.50 (perfect=0.02); stddev/expected=0.0273
 131 #51 -> 52: disruption=0.50 (perfect=0.02); stddev/expected=0.0243
 132 #52 -> 53: disruption=0.50 (perfect=0.02); stddev/expected=0.0268
 133 #53 -> 54: disruption=0.50 (perfect=0.02); stddev/expected=0.0251
 134 #54 -> 55: disruption=0.50 (perfect=0.02); stddev/expected=0.0297
 135 #55 -> 56: disruption=0.50 (perfect=0.02); stddev/expected=0.0287
 136 #56 -> 57: disruption=0.50 (perfect=0.02); stddev/expected=0.0299
 137 #57 -> 58: disruption=0.50 (perfect=0.02); stddev/expected=0.0272
 138 #58 -> 59: disruption=0.50 (perfect=0.02); stddev/expected=0.0295
 139 #59 -> 60: disruption=0.50 (perfect=0.02); stddev/expected=0.0312
 140 #60 -> 61: disruption=0.50 (perfect=0.02); stddev/expected=0.0361
 141 #61 -> 62: disruption=0.50 (perfect=0.02); stddev/expected=0.0308
 142 #62 -> 63: disruption=0.50 (perfect=0.02); stddev/expected=0.0283
 143 #63 -> 64: disruption=0.50 (perfect=0.02); stddev/expected=0.0325
 144 AT_CLEANUP
 145
 146 AT_SETUP([hrw multipath link selection])
 147 AT_CHECK([[test-multipath 'eth_src,50,hrw,1,0,NXM_NX_REG0[]']],
 148   [0], [ignore])
 149 # 1 ->  2: disruption=0.50 (perfect=0.50); stddev/expected=0.0000
 150 # 2 ->  3: disruption=0.33 (perfect=0.33); stddev/expected=0.0033
 151 # 3 ->  4: disruption=0.25 (perfect=0.25); stddev/expected=0.0076
 152 # 4 ->  5: disruption=0.20 (perfect=0.20); stddev/expected=0.0059
 153 # 5 ->  6: disruption=0.17 (perfect=0.17); stddev/expected=0.0030
 154 # 6 ->  7: disruption=0.14 (perfect=0.14); stddev/expected=0.0124
 155 # 7 ->  8: disruption=0.13 (perfect=0.12); stddev/expected=0.0072
 156 # 8 ->  9: disruption=0.11 (perfect=0.11); stddev/expected=0.0074
 157 # 9 -> 10: disruption=0.10 (perfect=0.10); stddev/expected=0.0161
 158 #10 -> 11: disruption=0.09 (perfect=0.09); stddev/expected=0.0055
 159 #11 -> 12: disruption=0.08 (perfect=0.08); stddev/expected=0.0092
 160 #12 -> 13: disruption=0.08 (perfect=0.08); stddev/expected=0.0134
 161 #13 -> 14: disruption=0.07 (perfect=0.07); stddev/expected=0.0124
 162 #14 -> 15: disruption=0.07 (perfect=0.07); stddev/expected=0.0156
 163 #15 -> 16: disruption=0.06 (perfect=0.06); stddev/expected=0.0182
 164 #16 -> 17: disruption=0.06 (perfect=0.06); stddev/expected=0.0150
 165 #17 -> 18: disruption=0.06 (perfect=0.06); stddev/expected=0.0109
 166 #18 -> 19: disruption=0.05 (perfect=0.05); stddev/expected=0.0162
 167 #19 -> 20: disruption=0.05 (perfect=0.05); stddev/expected=0.0149
 168 #20 -> 21: disruption=0.05 (perfect=0.05); stddev/expected=0.0148
 169 #21 -> 22: disruption=0.05 (perfect=0.05); stddev/expected=0.0230
 170 #22 -> 23: disruption=0.04 (perfect=0.04); stddev/expected=0.0208
 171 #23 -> 24: disruption=0.04 (perfect=0.04); stddev/expected=0.0210
 172 #24 -> 25: disruption=0.04 (perfect=0.04); stddev/expected=0.0228
 173 #25 -> 26: disruption=0.04 (perfect=0.04); stddev/expected=0.0155
 174 #26 -> 27: disruption=0.04 (perfect=0.04); stddev/expected=0.0208
 175 #27 -> 28: disruption=0.04 (perfect=0.04); stddev/expected=0.0218
 176 #28 -> 29: disruption=0.03 (perfect=0.03); stddev/expected=0.0193
 177 #29 -> 30: disruption=0.03 (perfect=0.03); stddev/expected=0.0169
 178 #30 -> 31: disruption=0.03 (perfect=0.03); stddev/expected=0.0163
 179 #31 -> 32: disruption=0.03 (perfect=0.03); stddev/expected=0.0192
 180 #32 -> 33: disruption=0.03 (perfect=0.03); stddev/expected=0.0212
 181 #33 -> 34: disruption=0.03 (perfect=0.03); stddev/expected=0.0240
 182 #34 -> 35: disruption=0.03 (perfect=0.03); stddev/expected=0.0227
 183 #35 -> 36: disruption=0.03 (perfect=0.03); stddev/expected=0.0230
 184 #36 -> 37: disruption=0.03 (perfect=0.03); stddev/expected=0.0183
 185 #37 -> 38: disruption=0.03 (perfect=0.03); stddev/expected=0.0227
 186 #38 -> 39: disruption=0.03 (perfect=0.03); stddev/expected=0.0255
 187 #39 -> 40: disruption=0.03 (perfect=0.03); stddev/expected=0.0247
 188 #40 -> 41: disruption=0.02 (perfect=0.02); stddev/expected=0.0228
 189 #41 -> 42: disruption=0.02 (perfect=0.02); stddev/expected=0.0247
 190 #42 -> 43: disruption=0.02 (perfect=0.02); stddev/expected=0.0265
 191 #43 -> 44: disruption=0.02 (perfect=0.02); stddev/expected=0.0250
 192 #44 -> 45: disruption=0.02 (perfect=0.02); stddev/expected=0.0258
 193 #45 -> 46: disruption=0.02 (perfect=0.02); stddev/expected=0.0196
 194 #46 -> 47: disruption=0.02 (perfect=0.02); stddev/expected=0.0235
 195 #47 -> 48: disruption=0.02 (perfect=0.02); stddev/expected=0.0314
 196 #48 -> 49: disruption=0.02 (perfect=0.02); stddev/expected=0.0293
 197 #49 -> 50: disruption=0.02 (perfect=0.02); stddev/expected=0.0241
 198 #50 -> 51: disruption=0.02 (perfect=0.02); stddev/expected=0.0291
 199 #51 -> 52: disruption=0.02 (perfect=0.02); stddev/expected=0.0304
 200 #52 -> 53: disruption=0.02 (perfect=0.02); stddev/expected=0.0307
 201 #53 -> 54: disruption=0.02 (perfect=0.02); stddev/expected=0.0250
 202 #54 -> 55: disruption=0.02 (perfect=0.02); stddev/expected=0.0290
 203 #55 -> 56: disruption=0.02 (perfect=0.02); stddev/expected=0.0284
 204 #56 -> 57: disruption=0.02 (perfect=0.02); stddev/expected=0.0272
 205 #57 -> 58: disruption=0.02 (perfect=0.02); stddev/expected=0.0272
 206 #58 -> 59: disruption=0.02 (perfect=0.02); stddev/expected=0.0304
 207 #59 -> 60: disruption=0.02 (perfect=0.02); stddev/expected=0.0345
 208 #60 -> 61: disruption=0.02 (perfect=0.02); stddev/expected=0.0251
 209 #61 -> 62: disruption=0.02 (perfect=0.02); stddev/expected=0.0249
 210 #62 -> 63: disruption=0.02 (perfect=0.02); stddev/expected=0.0285
 211 #63 -> 64: disruption=0.02 (perfect=0.02); stddev/expected=0.0285
 212 AT_CLEANUP
 213
 214 AT_SETUP([iter_hash multipath link selection])
 215 AT_CHECK([[test-multipath 'eth_src,50,iter_hash,1,0,NXM_NX_REG0[]']],
 216   [0], [ignore])
 217 # 1 ->  2: disruption=0.50 (perfect=0.50); stddev/expected=0.0000
 218 # 2 ->  3: disruption=0.42 (perfect=0.33); stddev/expected=0.0034
 219 # 3 ->  4: disruption=0.25 (perfect=0.25); stddev/expected=0.0082
 220 # 4 ->  5: disruption=0.42 (perfect=0.20); stddev/expected=0.0073
 221 # 5 ->  6: disruption=0.17 (perfect=0.17); stddev/expected=0.0040
 222 # 6 ->  7: disruption=0.14 (perfect=0.14); stddev/expected=0.0069
 223 # 7 ->  8: disruption=0.13 (perfect=0.12); stddev/expected=0.0131
 224 # 8 ->  9: disruption=0.45 (perfect=0.11); stddev/expected=0.0093
 225 # 9 -> 10: disruption=0.10 (perfect=0.10); stddev/expected=0.0127
 226 #10 -> 11: disruption=0.09 (perfect=0.09); stddev/expected=0.0134
 227 #11 -> 12: disruption=0.08 (perfect=0.08); stddev/expected=0.0101
 228 #12 -> 13: disruption=0.08 (perfect=0.08); stddev/expected=0.0127
 229 #13 -> 14: disruption=0.07 (perfect=0.07); stddev/expected=0.0115
 230 #14 -> 15: disruption=0.07 (perfect=0.07); stddev/expected=0.0100
 231 #15 -> 16: disruption=0.06 (perfect=0.06); stddev/expected=0.0111
 232 #16 -> 17: disruption=0.47 (perfect=0.06); stddev/expected=0.0137
 233 #17 -> 18: disruption=0.05 (perfect=0.06); stddev/expected=0.0204
 234 #18 -> 19: disruption=0.05 (perfect=0.05); stddev/expected=0.0082
 235 #19 -> 20: disruption=0.05 (perfect=0.05); stddev/expected=0.0124
 236 #20 -> 21: disruption=0.05 (perfect=0.05); stddev/expected=0.0203
 237 #21 -> 22: disruption=0.05 (perfect=0.05); stddev/expected=0.0196
 238 #22 -> 23: disruption=0.04 (perfect=0.04); stddev/expected=0.0183
 239 #23 -> 24: disruption=0.04 (perfect=0.04); stddev/expected=0.0212
 240 #24 -> 25: disruption=0.04 (perfect=0.04); stddev/expected=0.0176
 241 #25 -> 26: disruption=0.04 (perfect=0.04); stddev/expected=0.0173
 242 #26 -> 27: disruption=0.04 (perfect=0.04); stddev/expected=0.0159
 243 #27 -> 28: disruption=0.03 (perfect=0.04); stddev/expected=0.0168
 244 #28 -> 29: disruption=0.03 (perfect=0.03); stddev/expected=0.0190
 245 #29 -> 30: disruption=0.03 (perfect=0.03); stddev/expected=0.0305
 246 #30 -> 31: disruption=0.03 (perfect=0.03); stddev/expected=0.0282
 247 #31 -> 32: disruption=0.03 (perfect=0.03); stddev/expected=0.0255
 248 #32 -> 33: disruption=0.49 (perfect=0.03); stddev/expected=0.0220
 249 #33 -> 34: disruption=0.03 (perfect=0.03); stddev/expected=0.0188
 250 #34 -> 35: disruption=0.03 (perfect=0.03); stddev/expected=0.0203
 251 #35 -> 36: disruption=0.03 (perfect=0.03); stddev/expected=0.0207
 252 #36 -> 37: disruption=0.03 (perfect=0.03); stddev/expected=0.0261
 253 #37 -> 38: disruption=0.03 (perfect=0.03); stddev/expected=0.0226
 254 #38 -> 39: disruption=0.03 (perfect=0.03); stddev/expected=0.0233
 255 #39 -> 40: disruption=0.03 (perfect=0.03); stddev/expected=0.0161
 256 #40 -> 41: disruption=0.03 (perfect=0.02); stddev/expected=0.0303
 257 #41 -> 42: disruption=0.02 (perfect=0.02); stddev/expected=0.0249
 258 #42 -> 43: disruption=0.02 (perfect=0.02); stddev/expected=0.0262
 259 #43 -> 44: disruption=0.02 (perfect=0.02); stddev/expected=0.0260
 260 #44 -> 45: disruption=0.02 (perfect=0.02); stddev/expected=0.0266
 261 #45 -> 46: disruption=0.02 (perfect=0.02); stddev/expected=0.0287
 262 #46 -> 47: disruption=0.02 (perfect=0.02); stddev/expected=0.0213
 263 #47 -> 48: disruption=0.02 (perfect=0.02); stddev/expected=0.0301
 264 #48 -> 49: disruption=0.02 (perfect=0.02); stddev/expected=0.0230
 265 #49 -> 50: disruption=0.02 (perfect=0.02); stddev/expected=0.0248
 266 #50 -> 51: disruption=0.02 (perfect=0.02); stddev/expected=0.0203
 267 #51 -> 52: disruption=0.02 (perfect=0.02); stddev/expected=0.0235
 268 #52 -> 53: disruption=0.02 (perfect=0.02); stddev/expected=0.0340
 269 #53 -> 54: disruption=0.02 (perfect=0.02); stddev/expected=0.0264
 270 #54 -> 55: disruption=0.02 (perfect=0.02); stddev/expected=0.0292
 271 #55 -> 56: disruption=0.02 (perfect=0.02); stddev/expected=0.0246
 272 #56 -> 57: disruption=0.02 (perfect=0.02); stddev/expected=0.0270
 273 #57 -> 58: disruption=0.02 (perfect=0.02); stddev/expected=0.0299
 274 #58 -> 59: disruption=0.02 (perfect=0.02); stddev/expected=0.0307
 275 #59 -> 60: disruption=0.02 (perfect=0.02); stddev/expected=0.0275
 276 #60 -> 61: disruption=0.02 (perfect=0.02); stddev/expected=0.0289
 277 #61 -> 62: disruption=0.02 (perfect=0.02); stddev/expected=0.0292
 278 #62 -> 63: disruption=0.02 (perfect=0.02); stddev/expected=0.0292
 279 #63 -> 64: disruption=0.02 (perfect=0.02); stddev/expected=0.0307
 280 AT_CLEANUP
 281
 282 AT_SETUP([multipath action missing argument])
 283 AT_CHECK([ovs-ofctl parse-flow actions=multipath], [1], [],
 284   [ovs-ofctl: : not enough arguments to multipath action
 285 ])
 286 AT_CLEANUP
 287
 288 AT_SETUP([multipath action bad fields])
 289 AT_CHECK([ovs-ofctl parse-flow 'actions=multipath(xyzzy,50,modulo_n,1,0,NXM_NX_REG0[[]])'], [1], [],
 290   [ovs-ofctl: xyzzy,50,modulo_n,1,0,NXM_NX_REG0[[]]: unknown fields `xyzzy'
 291 ])
 292 AT_CLEANUP
 293
 294 AT_SETUP([multipath action bad algorithm])
 295 AT_CHECK([ovs-ofctl parse-flow 'actions=multipath(eth_src,50,fubar,1,0,NXM_NX_REG0[[]])'], [1], [],
 296   [ovs-ofctl: eth_src,50,fubar,1,0,NXM_NX_REG0[[]]: unknown algorithm `fubar'
 297 ])
 298 AT_CLEANUP
 299
 300 AT_SETUP([multipath action bad n_links])
 301 AT_CHECK([ovs-ofctl parse-flow 'actions=multipath(eth_src,50,modulo_n,0,0,NXM_NX_REG0[[]])'], [1], [],
 302   [ovs-ofctl: eth_src,50,modulo_n,0,0,NXM_NX_REG0[[]]: n_links 0 is not in valid range 1 to 65536
 303 ])
 304 AT_CLEANUP
 305
 306 AT_SETUP([multipath action destination too narrow])
 307 AT_CHECK([ovs-ofctl parse-flow 'actions=multipath(eth_src,50,modulo_n,1024,0,NXM_NX_REG0[[0..7]])'], [1], [],
 308   [ovs-ofctl: eth_src,50,modulo_n,1024,0,NXM_NX_REG0[[0..7]]: 8-bit destination field has 256 possible values, less than specified n_links 1024
 309 ])
 310 AT_CLEANUP
 311