projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| c778fbf3 JD |
1 | #!/usr/bin/env python3 |
| 2 | ||
| 3 | import sys | |
| 4 | import time | |
| 5 | import argparse | |
| 6 | ||
| 7 | NSEC_PER_SEC = 1000000000 | |
| 8 | ||
| 9 | try: | |
| 10 | from babeltrace import TraceCollection | |
| 11 | except ImportError: | |
| 12 | # quick fix for debian-based distros | |
| 13 | sys.path.append("/usr/local/lib/python%d.%d/site-packages" % | |
| 14 | (sys.version_info.major, sys.version_info.minor)) | |
| 15 | from babeltrace import TraceCollection | |
| 16 | ||
| 17 | ||
| 18 | class TraceParser: | |
| 19 | def __init__(self, trace, pid): | |
| 20 | self.trace = trace | |
| 21 | self.pid = pid | |
| 22 | self.expect = {} | |
| 23 | ||
| 24 | def ns_to_hour_nsec(self, ns): | |
| 25 | d = time.localtime(ns/NSEC_PER_SEC) | |
| 26 | return "%02d:%02d:%02d.%09d" % (d.tm_hour, d.tm_min, d.tm_sec, | |
| 27 | ns % NSEC_PER_SEC) | |
| 28 | ||
| 29 | def parse(self): | |
| 30 | # iterate over all the events | |
| 31 | for event in self.trace.events: | |
| 32 | if self.pid is not None and event["pid"] != self.pid: | |
| 33 | continue | |
| 34 | ||
| 35 | method_name = "handle_%s" % event.name.replace(":", "_").replace("+", "_") | |
| 36 | # call the function to handle each event individually | |
| 37 | if hasattr(TraceParser, method_name): | |
| 38 | func = getattr(TraceParser, method_name) | |
| 39 | func(self, event) | |
| 40 | ||
| 41 | ret = 0 | |
| 42 | for i in self.expect.keys(): | |
| 43 | if self.expect[i] == 0: | |
| 44 | print("%s not validated" % i) | |
| 45 | ret = 1 | |
| 46 | ||
| 47 | return ret | |
| 48 | ||
| 49 | ### epoll_ctl | |
| 50 | def handle_compat_syscall_entry_epoll_ctl(self, event): | |
| 51 | self.epoll_ctl_entry(event) | |
| 52 | ||
| 53 | def handle_compat_syscall_exit_epoll_ctl(self, event): | |
| 54 | self.epoll_ctl_exit(event) | |
| 55 | ||
| 56 | def handle_syscall_entry_epoll_ctl(self, event): | |
| 57 | self.epoll_ctl_entry(event) | |
| 58 | ||
| 59 | def handle_syscall_exit_epoll_ctl(self, event): | |
| 60 | self.epoll_ctl_exit(event) | |
| 61 | ||
| 62 | def epoll_ctl_entry(self, event): | |
| 63 | timestamp = event.timestamp | |
| 64 | cpu_id = event["cpu_id"] | |
| 65 | epfd = event["epfd"] | |
| 66 | op_enum = event["op_enum"] | |
| 67 | fd = event["fd"] | |
| 68 | _event = event["event"] | |
| 69 | ||
| 70 | def epoll_ctl_exit(self, event): | |
| 71 | timestamp = event.timestamp | |
| 72 | cpu_id = event["cpu_id"] | |
| 73 | ret = event["ret"] | |
| 74 | ||
| 75 | ### epoll_wait + epoll_pwait | |
| 76 | def handle_compat_syscall_entry_epoll_wait(self, event): | |
| 77 | self.epoll_wait_entry(event) | |
| 78 | ||
| 79 | def handle_compat_syscall_exit_epoll_wait(self, event): | |
| 80 | self.epoll_wait_exit(event) | |
| 81 | ||
| 82 | def handle_syscall_entry_epoll_wait(self, event): | |
| 83 | self.epoll_wait_entry(event) | |
| 84 | ||
| 85 | def handle_syscall_exit_epoll_wait(self, event): | |
| 86 | self.epoll_wait_exit(event) | |
| 87 | ||
| 88 | def handle_compat_syscall_entry_epoll_pwait(self, event): | |
| 89 | self.epoll_wait_entry(event) | |
| 90 | ||
| 91 | def handle_compat_syscall_exit_epoll_pwait(self, event): | |
| 92 | self.epoll_wait_exit(event) | |
| 93 | ||
| 94 | def handle_syscall_entry_epoll_pwait(self, event): | |
| 95 | self.epoll_wait_entry(event) | |
| 96 | ||
| 97 | def handle_syscall_exit_epoll_pwait(self, event): | |
| 98 | self.epoll_wait_exit(event) | |
| 99 | ||
| 100 | def epoll_wait_entry(self, event): | |
| 101 | timestamp = event.timestamp | |
| 102 | cpu_id = event["cpu_id"] | |
| 103 | epfd = event["epfd"] | |
| 104 | maxevents = event["maxevents"] | |
| 105 | timeout = event["timeout"] | |
| 106 | ||
| 107 | def epoll_wait_exit(self, event): | |
| 108 | timestamp = event.timestamp | |
| 109 | cpu_id = event["cpu_id"] | |
| 110 | ret = event["ret"] | |
| 111 | fds_length = event["fds_length"] | |
| 112 | overflow = event["overflow"] | |
| 113 | fds = event["fds"] | |
| 114 | ||
| 115 | #### poll + ppoll | |
| 116 | def handle_compat_syscall_entry_poll(self, event): | |
| 117 | self.poll_entry(event) | |
| 118 | ||
| 119 | def handle_compat_syscall_exit_poll(self, event): | |
| 120 | self.poll_exit(event) | |
| 121 | ||
| 122 | def handle_syscall_entry_poll(self, event): | |
| 123 | self.poll_entry(event) | |
| 124 | ||
| 125 | def handle_syscall_exit_poll(self, event): | |
| 126 | self.poll_exit(event) | |
| 127 | ||
| 128 | def handle_compat_syscall_entry_ppoll(self, event): | |
| 129 | self.poll_entry(event) | |
| 130 | ||
| 131 | def handle_compat_syscall_exit_ppoll(self, event): | |
| 132 | self.poll_exit(event) | |
| 133 | ||
| 134 | def handle_syscall_entry_ppoll(self, event): | |
| 135 | self.poll_entry(event) | |
| 136 | ||
| 137 | def handle_syscall_exit_ppoll(self, event): | |
| 138 | self.poll_exit(event) | |
| 139 | ||
| 140 | def poll_entry(self, event): | |
| 141 | timestamp = event.timestamp | |
| 142 | cpu_id = event["cpu_id"] | |
| 143 | nfds = event["nfds"] | |
| 144 | fds_length = event["fds_length"] | |
| 145 | overflow = event["overflow"] | |
| 146 | fds = event["fds"] | |
| 147 | ||
| 148 | def poll_exit(self, event): | |
| 149 | timestamp = event.timestamp | |
| 150 | cpu_id = event["cpu_id"] | |
| 151 | ret = event["ret"] | |
| 152 | nfds = event["nfds"] | |
| 153 | fds_length = event["fds_length"] | |
| 154 | fds = event["fds"] | |
| 155 | ||
| 156 | ### epoll_create | |
| 157 | def handle_compat_syscall_entry_epoll_create1(self, event): | |
| 158 | self.epoll_create_entry(event) | |
| 159 | ||
| 160 | def handle_compat_syscall_exit_epoll_create1(self, event): | |
| 161 | self.epoll_create_exit(event) | |
| 162 | ||
| 163 | def handle_compat_syscall_entry_epoll_create(self, event): | |
| 164 | self.epoll_create_entry(event) | |
| 165 | ||
| 166 | def handle_compat_syscall_exit_epoll_create(self, event): | |
| 167 | self.epoll_create_exit(event) | |
| 168 | ||
| 169 | def handle_syscall_entry_epoll_create1(self, event): | |
| 170 | self.epoll_create_entry(event) | |
| 171 | ||
| 172 | def handle_syscall_exit_epoll_create1(self, event): | |
| 173 | self.epoll_create_exit(event) | |
| 174 | ||
| 175 | def handle_syscall_entry_epoll_create(self, event): | |
| 176 | self.epoll_create_entry(event) | |
| 177 | ||
| 178 | def handle_syscall_exit_epoll_create(self, event): | |
| 179 | self.epoll_create_exit(event) | |
| 180 | ||
| 181 | def handle_compat_syscall_entry_epoll_create1(self, event): | |
| 182 | self.epoll_create_entry(event) | |
| 183 | ||
| 184 | def handle_compat_syscall_exit_epoll_create(self, event): | |
| 185 | self.epoll_create_exit(event) | |
| 186 | ||
| 187 | def epoll_create_entry(self, event): | |
| 188 | timestamp = event.timestamp | |
| 189 | cpu_id = event["cpu_id"] | |
| 190 | flags = event["flags"] | |
| 191 | ||
| 192 | def epoll_create_exit(self, event): | |
| 193 | timestamp = event.timestamp | |
| 194 | cpu_id = event["cpu_id"] | |
| 195 | ret = event["ret"] | |
| 196 | ||
| 197 | ### select + pselect6 | |
| 198 | def handle_syscall_entry_pselect6(self, event): | |
| 199 | self.select_entry(event) | |
| 200 | ||
| 201 | def handle_syscall_exit_pselect6(self, event): | |
| 202 | self.select_exit(event) | |
| 203 | ||
| 204 | def handle_compat_syscall_entry_pselect6(self, event): | |
| 205 | self.select_entry(event) | |
| 206 | ||
| 207 | def handle_compat_syscall_exit_pselect6(self, event): | |
| 208 | self.select_exit(event) | |
| 209 | ||
| 210 | def handle_syscall_entry_select(self, event): | |
| 211 | self.select_entry(event) | |
| 212 | ||
| 213 | def handle_syscall_exit_select(self, event): | |
| 214 | self.select_exit(event) | |
| 215 | ||
| 216 | def handle_compat_syscall_entry_select(self, event): | |
| 217 | self.select_entry(event) | |
| 218 | ||
| 219 | def handle_compat_syscall_exit_select(self, event): | |
| 220 | self.select_exit(event) | |
| 221 | ||
| 222 | def select_entry(self, event): | |
| 223 | timestamp = event.timestamp | |
| 224 | cpu_id = event["cpu_id"] | |
| 225 | n = event["n"] | |
| 226 | overflow = event["overflow"] | |
| 227 | tvp = event["tvp"] | |
| 228 | _readfds_length = event["_readfds_length"] | |
| 229 | readfds = event["readfds"] | |
| 230 | _writefds_length = event["_writefds_length"] | |
| 231 | writefds = event["writefds"] | |
| 232 | _exceptfds_length = event["_exceptfds_length"] | |
| 233 | exceptfds = event["exceptfds"] | |
| 234 | ||
| 235 | def select_exit(self, event): | |
| 236 | timestamp = event.timestamp | |
| 237 | cpu_id = event["cpu_id"] | |
| 238 | ret = event["ret"] | |
| 239 | overflow = event["overflow"] | |
| 240 | tvp = event["tvp"] | |
| 241 | _readfds_length = event["_readfds_length"] | |
| 242 | readfds = event["readfds"] | |
| 243 | _writefds_length = event["_writefds_length"] | |
| 244 | writefds = event["writefds"] | |
| 245 | _exceptfds_length = event["_exceptfds_length"] | |
| 246 | exceptfds = event["exceptfds"] | |
| 247 | ||
| 248 | ||
| 249 | class Test1(TraceParser): | |
| 250 | def __init__(self, trace, pid): | |
| 251 | super().__init__(trace, pid) | |
| 252 | self.expect["select_in_fd0"] = 0 | |
| 253 | self.expect["select_in_fd1023"] = 0 | |
| 254 | self.expect["select_out_fd0"] = 0 | |
| 255 | self.expect["select_out_fd1023"] = 0 | |
| 256 | self.expect["poll_in_nfds1"] = 0 | |
| 257 | self.expect["poll_out_nfds1"] = 0 | |
| 258 | self.expect["epoll_ctl_in_add"] = 0 | |
| 259 | self.expect["epoll_ctl_out_ok"] = 0 | |
| 260 | self.expect["epoll_wait_in_ok"] = 0 | |
| 261 | self.expect["epoll_wait_out_fd0"] = 0 | |
| 262 | ||
| 263 | def select_entry(self, event): | |
| 264 | timestamp = event.timestamp | |
| 265 | cpu_id = event["cpu_id"] | |
| 266 | n = event["n"] | |
| 267 | overflow = event["overflow"] | |
| 268 | tvp = event["tvp"] | |
| 269 | _readfds_length = event["_readfds_length"] | |
| 270 | readfds = event["readfds"] | |
| 271 | _writefds_length = event["_writefds_length"] | |
| 272 | writefds = event["writefds"] | |
| 273 | _exceptfds_length = event["_exceptfds_length"] | |
| 274 | exceptfds = event["exceptfds"] | |
| 275 | ||
| 276 | if n == 1 and readfds[0] == 1: | |
| 277 | self.expect["select_in_fd0"] = 1 | |
| 278 | if n == 1023: | |
| 279 | if readfds[127] == 0x40 and writefds[127] == 0 and \ | |
| 280 | exceptfds[127] == 0 and overflow == 0: | |
| 281 | self.expect["select_in_fd1023"] = 1 | |
| 282 | ||
| 283 | def select_exit(self, event): | |
| 284 | timestamp = event.timestamp | |
| 285 | cpu_id = event["cpu_id"] | |
| 286 | ret = event["ret"] | |
| 287 | overflow = event["overflow"] | |
| 288 | tvp = event["tvp"] | |
| 289 | _readfds_length = event["_readfds_length"] | |
| 290 | readfds = event["readfds"] | |
| 291 | _writefds_length = event["_writefds_length"] | |
| 292 | writefds = event["writefds"] | |
| 293 | _exceptfds_length = event["_exceptfds_length"] | |
| 294 | exceptfds = event["exceptfds"] | |
| 295 | ||
| 296 | if ret == 1: | |
| 297 | if readfds[0] == 1: | |
| 298 | self.expect["select_out_fd0"] = 1 | |
| 299 | if _readfds_length == 128 and readfds[127] == 0x40 and \ | |
| 300 | writefds[127] == 0 and exceptfds[127] == 0 and tvp == 0: | |
| 301 | self.expect["select_out_fd1023"] = 1 | |
| 302 | ||
| 303 | def poll_entry(self, event): | |
| 304 | timestamp = event.timestamp | |
| 305 | cpu_id = event["cpu_id"] | |
| 306 | nfds = event["nfds"] | |
| 307 | fds_length = event["fds_length"] | |
| 308 | overflow = event["overflow"] | |
| 309 | fds = event["fds"] | |
| 310 | ||
| 311 | if nfds == 1 and fds_length == 1 and fds[0]["raw_events"] == 0x3 \ | |
| 312 | and fds[0]["events"]["POLLIN"] == 1 and \ | |
| 313 | fds[0]["events"]["padding"] == 0: | |
| 314 | self.expect["poll_in_nfds1"] = 1 | |
| 315 | ||
| 316 | def poll_exit(self, event): | |
| 317 | timestamp = event.timestamp | |
| 318 | cpu_id = event["cpu_id"] | |
| 319 | ret = event["ret"] | |
| 320 | nfds = event["nfds"] | |
| 321 | fds_length = event["fds_length"] | |
| 322 | fds = event["fds"] | |
| 323 | ||
| 324 | if ret == 1 and fds_length == 1 and fds[0]["raw_events"] == 0x1 \ | |
| 325 | and fds[0]["events"]["POLLIN"] == 1 and \ | |
| 326 | fds[0]["events"]["padding"] == 0: | |
| 327 | self.expect["poll_out_nfds1"] = 1 | |
| 328 | ||
| 329 | def epoll_ctl_entry(self, event): | |
| 330 | timestamp = event.timestamp | |
| 331 | cpu_id = event["cpu_id"] | |
| 332 | epfd = event["epfd"] | |
| 333 | op_enum = event["op_enum"] | |
| 334 | fd = event["fd"] | |
| 335 | _event = event["event"] | |
| 336 | ||
| 337 | if epfd == 3 and op_enum == "EPOLL_CTL_ADD" and fd == 0 and \ | |
| 338 | _event["data_union"]["fd"] == 0 and \ | |
| 339 | _event["events"]["EPOLLIN"] == 1 and \ | |
| 340 | _event["events"]["EPOLLPRI"] == 1: | |
| 341 | self.expect["epoll_ctl_in_add"] = 1 | |
| 342 | ||
| 343 | def epoll_ctl_exit(self, event): | |
| 344 | timestamp = event.timestamp | |
| 345 | cpu_id = event["cpu_id"] | |
| 346 | ret = event["ret"] | |
| 347 | ||
| 348 | if ret == 0: | |
| 349 | self.expect["epoll_ctl_out_ok"] = 1 | |
| 350 | ||
| 351 | def epoll_wait_entry(self, event): | |
| 352 | timestamp = event.timestamp | |
| 353 | cpu_id = event["cpu_id"] | |
| 354 | epfd = event["epfd"] | |
| 355 | maxevents = event["maxevents"] | |
| 356 | timeout = event["timeout"] | |
| 357 | ||
| 358 | if epfd == 3 and maxevents == 1 and timeout == -1: | |
| 359 | self.expect["epoll_wait_in_ok"] = 1 | |
| 360 | ||
| 361 | ||
| 362 | def epoll_wait_exit(self, event): | |
| 363 | timestamp = event.timestamp | |
| 364 | cpu_id = event["cpu_id"] | |
| 365 | ret = event["ret"] | |
| 366 | fds_length = event["fds_length"] | |
| 367 | overflow = event["overflow"] | |
| 368 | fds = event["fds"] | |
| 369 | ||
| 370 | if ret == 1 and fds_length == 1 and overflow == 0 and \ | |
| 371 | fds[0]["data_union"]["fd"] == 0 and \ | |
| 372 | fds[0]["events"]["EPOLLIN"] == 1: | |
| 373 | self.expect["epoll_wait_out_fd0"] = 1 | |
| 374 | ||
| 375 | ||
| 376 | class Test2(TraceParser): | |
| 377 | def __init__(self, trace, pid): | |
| 378 | super().__init__(trace, pid) | |
| 379 | self.expect["select_timeout_in_fd0"] = 0 | |
| 380 | self.expect["select_timeout_in_fd1023"] = 0 | |
| 381 | self.expect["select_timeout_out"] = 0 | |
| 382 | self.expect["poll_timeout_in"] = 0 | |
| 383 | self.expect["poll_timeout_out"] = 0 | |
| 384 | self.expect["epoll_ctl_timeout_in_add"] = 0 | |
| 385 | self.expect["epoll_ctl_timeout_out_ok"] = 0 | |
| 386 | self.expect["epoll_wait_timeout_in"] = 0 | |
| 387 | self.expect["epoll_wait_timeout_out"] = 0 | |
| 388 | ||
| 389 | def select_entry(self, event): | |
| 390 | timestamp = event.timestamp | |
| 391 | cpu_id = event["cpu_id"] | |
| 392 | n = event["n"] | |
| 393 | overflow = event["overflow"] | |
| 394 | tvp = event["tvp"] | |
| 395 | _readfds_length = event["_readfds_length"] | |
| 396 | readfds = event["readfds"] | |
| 397 | _writefds_length = event["_writefds_length"] | |
| 398 | writefds = event["writefds"] | |
| 399 | _exceptfds_length = event["_exceptfds_length"] | |
| 400 | exceptfds = event["exceptfds"] | |
| 401 | ||
| 402 | if n == 1 and tvp != 0: | |
| 403 | self.expect["select_timeout_in_fd0"] = 1 | |
| 404 | if n == 1023: | |
| 405 | if readfds[127] == 0x40 and writefds[127] == 0 and \ | |
| 406 | exceptfds[127] == 0 and tvp != 0: | |
| 407 | self.expect["select_timeout_in_fd1023"] = 1 | |
| 408 | ||
| 409 | def select_exit(self, event): | |
| 410 | timestamp = event.timestamp | |
| 411 | cpu_id = event["cpu_id"] | |
| 412 | ret = event["ret"] | |
| 413 | overflow = event["overflow"] | |
| 414 | tvp = event["tvp"] | |
| 415 | _readfds_length = event["_readfds_length"] | |
| 416 | readfds = event["readfds"] | |
| 417 | _writefds_length = event["_writefds_length"] | |
| 418 | writefds = event["writefds"] | |
| 419 | _exceptfds_length = event["_exceptfds_length"] | |
| 420 | exceptfds = event["exceptfds"] | |
| 421 | ||
| 422 | if ret == 0 and tvp != 0: | |
| 423 | self.expect["select_timeout_out"] = 1 | |
| 424 | ||
| 425 | def poll_entry(self, event): | |
| 426 | timestamp = event.timestamp | |
| 427 | cpu_id = event["cpu_id"] | |
| 428 | nfds = event["nfds"] | |
| 429 | fds_length = event["fds_length"] | |
| 430 | overflow = event["overflow"] | |
| 431 | fds = event["fds"] | |
| 432 | ||
| 433 | if nfds == 1 and fds_length == 1 and fds[0]["raw_events"] == 0x3 \ | |
| 434 | and fds[0]["events"]["POLLIN"] == 1 and \ | |
| 435 | fds[0]["events"]["padding"] == 0: | |
| 436 | self.expect["poll_timeout_in"] = 1 | |
| 437 | ||
| 438 | def poll_exit(self, event): | |
| 439 | timestamp = event.timestamp | |
| 440 | cpu_id = event["cpu_id"] | |
| 441 | ret = event["ret"] | |
| 442 | nfds = event["nfds"] | |
| 443 | fds_length = event["fds_length"] | |
| 444 | fds = event["fds"] | |
| 445 | ||
| 446 | if ret == 0 and nfds == 1 and fds_length == 0: | |
| 447 | self.expect["poll_timeout_out"] = 1 | |
| 448 | ||
| 449 | def epoll_ctl_entry(self, event): | |
| 450 | timestamp = event.timestamp | |
| 451 | cpu_id = event["cpu_id"] | |
| 452 | epfd = event["epfd"] | |
| 453 | op_enum = event["op_enum"] | |
| 454 | fd = event["fd"] | |
| 455 | _event = event["event"] | |
| 456 | ||
| 457 | if op_enum == "EPOLL_CTL_ADD" and \ | |
| 458 | _event["events"]["EPOLLIN"] == 1 and \ | |
| 459 | _event["events"]["EPOLLPRI"] == 1: | |
| 460 | self.expect["epoll_ctl_timeout_in_add"] = 1 | |
| 461 | ||
| 462 | def epoll_ctl_exit(self, event): | |
| 463 | timestamp = event.timestamp | |
| 464 | cpu_id = event["cpu_id"] | |
| 465 | ret = event["ret"] | |
| 466 | ||
| 467 | if ret == 0: | |
| 468 | self.expect["epoll_ctl_timeout_out_ok"] = 1 | |
| 469 | ||
| 470 | def epoll_wait_entry(self, event): | |
| 471 | timestamp = event.timestamp | |
| 472 | cpu_id = event["cpu_id"] | |
| 473 | epfd = event["epfd"] | |
| 474 | maxevents = event["maxevents"] | |
| 475 | timeout = event["timeout"] | |
| 476 | ||
| 477 | if maxevents == 1 and timeout == 1: | |
| 478 | self.expect["epoll_wait_timeout_in"] = 1 | |
| 479 | ||
| 480 | ||
| 481 | def epoll_wait_exit(self, event): | |
| 482 | timestamp = event.timestamp | |
| 483 | cpu_id = event["cpu_id"] | |
| 484 | ret = event["ret"] | |
| 485 | fds_length = event["fds_length"] | |
| 486 | overflow = event["overflow"] | |
| 487 | fds = event["fds"] | |
| 488 | ||
| 489 | if ret == 0 and fds_length == 0 and overflow == 0: | |
| 490 | self.expect["epoll_wait_timeout_out"] = 1 | |
| 491 | ||
| 492 | ||
| 493 | class Test3(TraceParser): | |
| 494 | def __init__(self, trace, pid): | |
| 495 | super().__init__(trace, pid) | |
| 496 | self.expect["select_too_big_in"] = 0 | |
| 497 | self.expect["select_too_big_out"] = 0 | |
| 498 | ||
| 499 | def select_entry(self, event): | |
| 500 | timestamp = event.timestamp | |
| 501 | cpu_id = event["cpu_id"] | |
| 502 | n = event["n"] | |
| 503 | overflow = event["overflow"] | |
| 504 | tvp = event["tvp"] | |
| 505 | _readfds_length = event["_readfds_length"] | |
| 506 | readfds = event["readfds"] | |
| 507 | _writefds_length = event["_writefds_length"] | |
| 508 | writefds = event["writefds"] | |
| 509 | _exceptfds_length = event["_exceptfds_length"] | |
| 510 | exceptfds = event["exceptfds"] | |
| 511 | ||
| 512 | if n == 2048 and overflow == 0 and _readfds_length == 0: | |
| 513 | self.expect["select_too_big_in"] = 1 | |
| 514 | ||
| 515 | def select_exit(self, event): | |
| 516 | timestamp = event.timestamp | |
| 517 | cpu_id = event["cpu_id"] | |
| 518 | ret = event["ret"] | |
| 519 | overflow = event["overflow"] | |
| 520 | tvp = event["tvp"] | |
| 521 | _readfds_length = event["_readfds_length"] | |
| 522 | readfds = event["readfds"] | |
| 523 | _writefds_length = event["_writefds_length"] | |
| 524 | writefds = event["writefds"] | |
| 525 | _exceptfds_length = event["_exceptfds_length"] | |
| 526 | exceptfds = event["exceptfds"] | |
| 527 | ||
| 528 | if ret == -9 and overflow == 0 and _readfds_length == 0: | |
| 529 | self.expect["select_too_big_out"] = 1 | |
| 530 | ||
| 531 | ||
| 532 | class Test4(TraceParser): | |
| 533 | def __init__(self, trace, pid): | |
| 534 | super().__init__(trace, pid) | |
| 535 | self.expect["big_poll_in"] = 0 | |
| 536 | self.expect["big_poll_out"] = 0 | |
| 537 | ||
| 538 | def poll_entry(self, event): | |
| 539 | timestamp = event.timestamp | |
| 540 | cpu_id = event["cpu_id"] | |
| 541 | nfds = event["nfds"] | |
| 542 | fds_length = event["fds_length"] | |
| 543 | overflow = event["overflow"] | |
| 544 | fds = event["fds"] | |
| 545 | ||
| 546 | if nfds == 2047 and fds_length == 512 and overflow == 1 and \ | |
| 547 | fds[0]["raw_events"] == 0x3 \ | |
| 548 | and fds[0]["events"]["POLLIN"] == 1 and \ | |
| 549 | fds[0]["events"]["padding"] == 0 and \ | |
| 550 | fds[511]["events"]["POLLIN"] == 1 and \ | |
| 551 | fds[511]["events"]["POLLPRI"] == 1: | |
| 552 | self.expect["big_poll_in"] = 1 | |
| 553 | ||
| 554 | def poll_exit(self, event): | |
| 555 | timestamp = event.timestamp | |
| 556 | cpu_id = event["cpu_id"] | |
| 557 | ret = event["ret"] | |
| 558 | nfds = event["nfds"] | |
| 559 | fds_length = event["fds_length"] | |
| 560 | overflow = event["overflow"] | |
| 561 | fds = event["fds"] | |
| 562 | ||
| 563 | if ret == 2047 and nfds == 2047 and fds_length == 512 and \ | |
| 564 | overflow == 1 and fds[0]["events"]["POLLIN"] == 1 and \ | |
| 565 | fds[511]["events"]["POLLIN"] == 1: | |
| 566 | self.expect["big_poll_out"] = 1 | |
| 567 | ||
| 568 | ||
| 569 | class Test5(TraceParser): | |
| 570 | def __init__(self, trace, pid): | |
| 571 | super().__init__(trace, pid) | |
| 572 | self.expect["poll_overflow_in"] = 0 | |
| 573 | self.expect["poll_overflow_out"] = 0 | |
| 574 | ||
| 575 | def poll_entry(self, event): | |
| 576 | timestamp = event.timestamp | |
| 577 | cpu_id = event["cpu_id"] | |
| 578 | nfds = event["nfds"] | |
| 579 | fds_length = event["fds_length"] | |
| 580 | overflow = event["overflow"] | |
| 581 | fds = event["fds"] | |
| 582 | ||
| 583 | if nfds == 100 and fds_length == 100 and overflow == 0 and \ | |
| 584 | fds[0]["events"]["POLLIN"] == 1: | |
| 585 | self.expect["poll_overflow_in"] = 1 | |
| 586 | ||
| 587 | def poll_exit(self, event): | |
| 588 | timestamp = event.timestamp | |
| 589 | cpu_id = event["cpu_id"] | |
| 590 | ret = event["ret"] | |
| 591 | nfds = event["nfds"] | |
| 592 | fds_length = event["fds_length"] | |
| 593 | overflow = event["overflow"] | |
| 594 | fds = event["fds"] | |
| 595 | ||
| 596 | if nfds == 100 and overflow == 0: | |
| 597 | self.expect["poll_overflow_out"] = 1 | |
| 598 | ||
| 599 | ||
| 600 | class Test6(TraceParser): | |
| 601 | def __init__(self, trace, pid): | |
| 602 | super().__init__(trace, pid) | |
| 603 | self.expect["pselect_invalid_in"] = 0 | |
| 604 | self.expect["pselect_invalid_out"] = 0 | |
| 605 | ||
| 606 | def select_entry(self, event): | |
| 607 | timestamp = event.timestamp | |
| 608 | cpu_id = event["cpu_id"] | |
| 609 | n = event["n"] | |
| 610 | overflow = event["overflow"] | |
| 611 | tvp = event["tvp"] | |
| 612 | _readfds_length = event["_readfds_length"] | |
| 613 | readfds = event["readfds"] | |
| 614 | _writefds_length = event["_writefds_length"] | |
| 615 | writefds = event["writefds"] | |
| 616 | _exceptfds_length = event["_exceptfds_length"] | |
| 617 | exceptfds = event["exceptfds"] | |
| 618 | ||
| 619 | if n == 1 and overflow == 0 and _readfds_length == 0: | |
| 620 | self.expect["pselect_invalid_in"] = 1 | |
| 621 | ||
| 622 | def select_exit(self, event): | |
| 623 | timestamp = event.timestamp | |
| 624 | cpu_id = event["cpu_id"] | |
| 625 | ret = event["ret"] | |
| 626 | overflow = event["overflow"] | |
| 627 | tvp = event["tvp"] | |
| 628 | _readfds_length = event["_readfds_length"] | |
| 629 | readfds = event["readfds"] | |
| 630 | _writefds_length = event["_writefds_length"] | |
| 631 | writefds = event["writefds"] | |
| 632 | _exceptfds_length = event["_exceptfds_length"] | |
| 633 | exceptfds = event["exceptfds"] | |
| 634 | ||
| 635 | if ret == -14 and overflow == 0 and _readfds_length == 0: | |
| 636 | self.expect["pselect_invalid_out"] = 1 | |
| 637 | ||
| 638 | ||
| 639 | class Test7(TraceParser): | |
| 640 | def __init__(self, trace, pid): | |
| 641 | super().__init__(trace, pid) | |
| 642 | self.expect["poll_max_in"] = 0 | |
| 643 | self.expect["poll_max_out"] = 0 | |
| 644 | ||
| 645 | def poll_entry(self, event): | |
| 646 | timestamp = event.timestamp | |
| 647 | cpu_id = event["cpu_id"] | |
| 648 | nfds = event["nfds"] | |
| 649 | fds_length = event["fds_length"] | |
| 650 | overflow = event["overflow"] | |
| 651 | fds = event["fds"] | |
| 652 | ||
| 653 | if nfds == 4294967295 and overflow == 1: | |
| 654 | self.expect["poll_max_in"] = 1 | |
| 655 | ||
| 656 | def poll_exit(self, event): | |
| 657 | timestamp = event.timestamp | |
| 658 | cpu_id = event["cpu_id"] | |
| 659 | ret = event["ret"] | |
| 660 | nfds = event["nfds"] | |
| 661 | fds_length = event["fds_length"] | |
| 662 | overflow = event["overflow"] | |
| 663 | fds = event["fds"] | |
| 664 | ||
| 665 | if ret == -22 and nfds == 4294967295 and overflow == 0: | |
| 666 | self.expect["poll_max_out"] = 1 | |
| 667 | ||
| 668 | ||
| 669 | class Test8(TraceParser): | |
| 670 | def __init__(self, trace, pid): | |
| 671 | super().__init__(trace, pid) | |
| 672 | self.expect["epoll_wait_invalid_in"] = 0 | |
| 673 | self.expect["epoll_wait_invalid_out"] = 0 | |
| 674 | ||
| 675 | def epoll_wait_entry(self, event): | |
| 676 | timestamp = event.timestamp | |
| 677 | cpu_id = event["cpu_id"] | |
| 678 | epfd = event["epfd"] | |
| 679 | maxevents = event["maxevents"] | |
| 680 | timeout = event["timeout"] | |
| 681 | ||
| 682 | if epfd == 3 and maxevents == 1 and timeout == -1: | |
| 683 | self.expect["epoll_wait_invalid_in"] = 1 | |
| 684 | ||
| 685 | ||
| 686 | def epoll_wait_exit(self, event): | |
| 687 | timestamp = event.timestamp | |
| 688 | cpu_id = event["cpu_id"] | |
| 689 | ret = event["ret"] | |
| 690 | fds_length = event["fds_length"] | |
| 691 | overflow = event["overflow"] | |
| 692 | fds = event["fds"] | |
| 693 | ||
| 694 | if ret == -14 and fds_length == 0 and overflow == 0: | |
| 695 | self.expect["epoll_wait_invalid_out"] = 1 | |
| 696 | ||
| 697 | ||
| 698 | class Test9(TraceParser): | |
| 699 | def __init__(self, trace, pid): | |
| 700 | super().__init__(trace, pid) | |
| 701 | self.expect["epoll_wait_max_in"] = 0 | |
| 702 | self.expect["epoll_wait_max_out"] = 0 | |
| 703 | ||
| 704 | def epoll_wait_entry(self, event): | |
| 705 | timestamp = event.timestamp | |
| 706 | cpu_id = event["cpu_id"] | |
| 707 | epfd = event["epfd"] | |
| 708 | maxevents = event["maxevents"] | |
| 709 | timeout = event["timeout"] | |
| 710 | ||
| 711 | if epfd == 3 and maxevents == 2147483647 and timeout == -1: | |
| 712 | self.expect["epoll_wait_max_in"] = 1 | |
| 713 | ||
| 714 | ||
| 715 | def epoll_wait_exit(self, event): | |
| 716 | timestamp = event.timestamp | |
| 717 | cpu_id = event["cpu_id"] | |
| 718 | ret = event["ret"] | |
| 719 | fds_length = event["fds_length"] | |
| 720 | overflow = event["overflow"] | |
| 721 | fds = event["fds"] | |
| 722 | ||
| 723 | if ret == -22 and fds_length == 0 and overflow == 0: | |
| 724 | self.expect["epoll_wait_max_out"] = 1 | |
| 725 | ||
| 726 | ||
| 727 | if __name__ == "__main__": | |
| 728 | parser = argparse.ArgumentParser(description='Trace parser') | |
| 729 | parser.add_argument('path', metavar="<path/to/trace>", help='Trace path') | |
| 730 | parser.add_argument('-t', '--test', type=int, help='Test to validate') | |
| 731 | parser.add_argument('-p', '--pid', type=int, help='PID of the app') | |
| 732 | args = parser.parse_args() | |
| 733 | ||
| 734 | if not args.test: | |
| 735 | print("Need to pass a test to validate (-t)") | |
| 736 | sys.exit(1) | |
| 737 | ||
| 738 | if not args.pid: | |
| 739 | print("Need to pass the PID to check (-p)") | |
| 740 | sys.exit(1) | |
| 741 | ||
| 742 | traces = TraceCollection() | |
| 743 | handle = traces.add_traces_recursive(args.path, "ctf") | |
| 744 | if handle is None: | |
| 745 | sys.exit(1) | |
| 746 | ||
| 747 | t = None | |
| 748 | ||
| 749 | if args.test == 1: | |
| 750 | t = Test1(traces, args.pid) | |
| 751 | elif args.test == 2: | |
| 752 | t = Test2(traces, args.pid) | |
| 753 | elif args.test == 3: | |
| 754 | t = Test3(traces, args.pid) | |
| 755 | elif args.test == 4: | |
| 756 | t = Test4(traces, args.pid) | |
| 757 | elif args.test == 5: | |
| 758 | t = Test5(traces, args.pid) | |
| 759 | elif args.test == 6: | |
| 760 | t = Test6(traces, args.pid) | |
| 761 | elif args.test == 7: | |
| 762 | t = Test7(traces, args.pid) | |
| 763 | elif args.test == 8: | |
| 764 | t = Test8(traces, args.pid) | |
| 765 | elif args.test == 9: | |
| 766 | t = Test9(traces, args.pid) | |
| 767 | elif args.test == 10: | |
| 768 | # stress test, nothing reliable to check | |
| 769 | ret = 0 | |
| 770 | elif args.test == 11: | |
| 771 | # stress test, nothing reliable to check | |
| 772 | ret = 0 | |
| 773 | else: | |
| 774 | print("Invalid test case") | |
| 775 | sys.exit(1) | |
| 776 | ||
| 777 | if t is not None: | |
| 778 | ret = t.parse() | |
| 779 | ||
| 780 | for h in handle.values(): | |
| 781 | traces.remove_trace(h) | |
| 782 | ||
| 783 | sys.exit(ret) |