1 #include <Python.h> 2 #include <structmember.h> 3 #include <inttypes.h> 4 #include <poll.h> 5 #include <linux/err.h> 6 #include "evlist.h" 7 #include "evsel.h" 8 #include "event.h" 9 #include "cpumap.h" 10 #include "thread_map.h" 11 12 /* 13 * Support debug printing even though util/debug.c is not linked. That means 14 * implementing 'verbose' and 'eprintf'. 15 */ 16 int verbose; 17 18 int eprintf(int level, int var, const char *fmt, ...) 19 { 20 va_list args; 21 int ret = 0; 22 23 if (var >= level) { 24 va_start(args, fmt); 25 ret = vfprintf(stderr, fmt, args); 26 va_end(args); 27 } 28 29 return ret; 30 } 31 32 /* Define PyVarObject_HEAD_INIT for python 2.5 */ 33 #ifndef PyVarObject_HEAD_INIT 34 # define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, 35 #endif 36 37 PyMODINIT_FUNC initperf(void); 38 39 #define member_def(type, member, ptype, help) \ 40 { #member, ptype, \ 41 offsetof(struct pyrf_event, event) + offsetof(struct type, member), \ 42 0, help } 43 44 #define sample_member_def(name, member, ptype, help) \ 45 { #name, ptype, \ 46 offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \ 47 0, help } 48 49 struct pyrf_event { 50 PyObject_HEAD 51 struct perf_evsel *evsel; 52 struct perf_sample sample; 53 union perf_event event; 54 }; 55 56 #define sample_members \ 57 sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \ 58 sample_member_def(sample_pid, pid, T_INT, "event pid"), \ 59 sample_member_def(sample_tid, tid, T_INT, "event tid"), \ 60 sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \ 61 sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \ 62 sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \ 63 sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \ 64 sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \ 65 sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"), 66 67 static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object."); 68 69 static PyMemberDef pyrf_mmap_event__members[] = { 70 sample_members 71 member_def(perf_event_header, type, T_UINT, "event type"), 72 member_def(perf_event_header, misc, T_UINT, "event misc"), 73 member_def(mmap_event, pid, T_UINT, "event pid"), 74 member_def(mmap_event, tid, T_UINT, "event tid"), 75 member_def(mmap_event, start, T_ULONGLONG, "start of the map"), 76 member_def(mmap_event, len, T_ULONGLONG, "map length"), 77 member_def(mmap_event, pgoff, T_ULONGLONG, "page offset"), 78 member_def(mmap_event, filename, T_STRING_INPLACE, "backing store"), 79 { .name = NULL, }, 80 }; 81 82 static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) 83 { 84 PyObject *ret; 85 char *s; 86 87 if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRIx64 ", " 88 "length: %#" PRIx64 ", offset: %#" PRIx64 ", " 89 "filename: %s }", 90 pevent->event.mmap.pid, pevent->event.mmap.tid, 91 pevent->event.mmap.start, pevent->event.mmap.len, 92 pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) { 93 ret = PyErr_NoMemory(); 94 } else { 95 ret = PyString_FromString(s); 96 free(s); 97 } 98 return ret; 99 } 100 101 static PyTypeObject pyrf_mmap_event__type = { 102 PyVarObject_HEAD_INIT(NULL, 0) 103 .tp_name = "perf.mmap_event", 104 .tp_basicsize = sizeof(struct pyrf_event), 105 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 106 .tp_doc = pyrf_mmap_event__doc, 107 .tp_members = pyrf_mmap_event__members, 108 .tp_repr = (reprfunc)pyrf_mmap_event__repr, 109 }; 110 111 static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); 112 113 static PyMemberDef pyrf_task_event__members[] = { 114 sample_members 115 member_def(perf_event_header, type, T_UINT, "event type"), 116 member_def(fork_event, pid, T_UINT, "event pid"), 117 member_def(fork_event, ppid, T_UINT, "event ppid"), 118 member_def(fork_event, tid, T_UINT, "event tid"), 119 member_def(fork_event, ptid, T_UINT, "event ptid"), 120 member_def(fork_event, time, T_ULONGLONG, "timestamp"), 121 { .name = NULL, }, 122 }; 123 124 static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) 125 { 126 return PyString_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " 127 "ptid: %u, time: %" PRIu64 "}", 128 pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit", 129 pevent->event.fork.pid, 130 pevent->event.fork.ppid, 131 pevent->event.fork.tid, 132 pevent->event.fork.ptid, 133 pevent->event.fork.time); 134 } 135 136 static PyTypeObject pyrf_task_event__type = { 137 PyVarObject_HEAD_INIT(NULL, 0) 138 .tp_name = "perf.task_event", 139 .tp_basicsize = sizeof(struct pyrf_event), 140 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 141 .tp_doc = pyrf_task_event__doc, 142 .tp_members = pyrf_task_event__members, 143 .tp_repr = (reprfunc)pyrf_task_event__repr, 144 }; 145 146 static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object."); 147 148 static PyMemberDef pyrf_comm_event__members[] = { 149 sample_members 150 member_def(perf_event_header, type, T_UINT, "event type"), 151 member_def(comm_event, pid, T_UINT, "event pid"), 152 member_def(comm_event, tid, T_UINT, "event tid"), 153 member_def(comm_event, comm, T_STRING_INPLACE, "process name"), 154 { .name = NULL, }, 155 }; 156 157 static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) 158 { 159 return PyString_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", 160 pevent->event.comm.pid, 161 pevent->event.comm.tid, 162 pevent->event.comm.comm); 163 } 164 165 static PyTypeObject pyrf_comm_event__type = { 166 PyVarObject_HEAD_INIT(NULL, 0) 167 .tp_name = "perf.comm_event", 168 .tp_basicsize = sizeof(struct pyrf_event), 169 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 170 .tp_doc = pyrf_comm_event__doc, 171 .tp_members = pyrf_comm_event__members, 172 .tp_repr = (reprfunc)pyrf_comm_event__repr, 173 }; 174 175 static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object."); 176 177 static PyMemberDef pyrf_throttle_event__members[] = { 178 sample_members 179 member_def(perf_event_header, type, T_UINT, "event type"), 180 member_def(throttle_event, time, T_ULONGLONG, "timestamp"), 181 member_def(throttle_event, id, T_ULONGLONG, "event id"), 182 member_def(throttle_event, stream_id, T_ULONGLONG, "event stream id"), 183 { .name = NULL, }, 184 }; 185 186 static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) 187 { 188 struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1); 189 190 return PyString_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64 191 ", stream_id: %" PRIu64 " }", 192 pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un", 193 te->time, te->id, te->stream_id); 194 } 195 196 static PyTypeObject pyrf_throttle_event__type = { 197 PyVarObject_HEAD_INIT(NULL, 0) 198 .tp_name = "perf.throttle_event", 199 .tp_basicsize = sizeof(struct pyrf_event), 200 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 201 .tp_doc = pyrf_throttle_event__doc, 202 .tp_members = pyrf_throttle_event__members, 203 .tp_repr = (reprfunc)pyrf_throttle_event__repr, 204 }; 205 206 static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object."); 207 208 static PyMemberDef pyrf_lost_event__members[] = { 209 sample_members 210 member_def(lost_event, id, T_ULONGLONG, "event id"), 211 member_def(lost_event, lost, T_ULONGLONG, "number of lost events"), 212 { .name = NULL, }, 213 }; 214 215 static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) 216 { 217 PyObject *ret; 218 char *s; 219 220 if (asprintf(&s, "{ type: lost, id: %#" PRIx64 ", " 221 "lost: %#" PRIx64 " }", 222 pevent->event.lost.id, pevent->event.lost.lost) < 0) { 223 ret = PyErr_NoMemory(); 224 } else { 225 ret = PyString_FromString(s); 226 free(s); 227 } 228 return ret; 229 } 230 231 static PyTypeObject pyrf_lost_event__type = { 232 PyVarObject_HEAD_INIT(NULL, 0) 233 .tp_name = "perf.lost_event", 234 .tp_basicsize = sizeof(struct pyrf_event), 235 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 236 .tp_doc = pyrf_lost_event__doc, 237 .tp_members = pyrf_lost_event__members, 238 .tp_repr = (reprfunc)pyrf_lost_event__repr, 239 }; 240 241 static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object."); 242 243 static PyMemberDef pyrf_read_event__members[] = { 244 sample_members 245 member_def(read_event, pid, T_UINT, "event pid"), 246 member_def(read_event, tid, T_UINT, "event tid"), 247 { .name = NULL, }, 248 }; 249 250 static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) 251 { 252 return PyString_FromFormat("{ type: read, pid: %u, tid: %u }", 253 pevent->event.read.pid, 254 pevent->event.read.tid); 255 /* 256 * FIXME: return the array of read values, 257 * making this method useful ;-) 258 */ 259 } 260 261 static PyTypeObject pyrf_read_event__type = { 262 PyVarObject_HEAD_INIT(NULL, 0) 263 .tp_name = "perf.read_event", 264 .tp_basicsize = sizeof(struct pyrf_event), 265 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 266 .tp_doc = pyrf_read_event__doc, 267 .tp_members = pyrf_read_event__members, 268 .tp_repr = (reprfunc)pyrf_read_event__repr, 269 }; 270 271 static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object."); 272 273 static PyMemberDef pyrf_sample_event__members[] = { 274 sample_members 275 member_def(perf_event_header, type, T_UINT, "event type"), 276 { .name = NULL, }, 277 }; 278 279 static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) 280 { 281 PyObject *ret; 282 char *s; 283 284 if (asprintf(&s, "{ type: sample }") < 0) { 285 ret = PyErr_NoMemory(); 286 } else { 287 ret = PyString_FromString(s); 288 free(s); 289 } 290 return ret; 291 } 292 293 static bool is_tracepoint(struct pyrf_event *pevent) 294 { 295 return pevent->evsel->attr.type == PERF_TYPE_TRACEPOINT; 296 } 297 298 static PyObject* 299 tracepoint_field(struct pyrf_event *pe, struct format_field *field) 300 { 301 struct pevent *pevent = field->event->pevent; 302 void *data = pe->sample.raw_data; 303 PyObject *ret = NULL; 304 unsigned long long val; 305 unsigned int offset, len; 306 307 if (field->flags & FIELD_IS_ARRAY) { 308 offset = field->offset; 309 len = field->size; 310 if (field->flags & FIELD_IS_DYNAMIC) { 311 val = pevent_read_number(pevent, data + offset, len); 312 offset = val; 313 len = offset >> 16; 314 offset &= 0xffff; 315 } 316 if (field->flags & FIELD_IS_STRING && 317 is_printable_array(data + offset, len)) { 318 ret = PyString_FromString((char *)data + offset); 319 } else { 320 ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); 321 field->flags &= ~FIELD_IS_STRING; 322 } 323 } else { 324 val = pevent_read_number(pevent, data + field->offset, 325 field->size); 326 if (field->flags & FIELD_IS_POINTER) 327 ret = PyLong_FromUnsignedLong((unsigned long) val); 328 else if (field->flags & FIELD_IS_SIGNED) 329 ret = PyLong_FromLong((long) val); 330 else 331 ret = PyLong_FromUnsignedLong((unsigned long) val); 332 } 333 334 return ret; 335 } 336 337 static PyObject* 338 get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) 339 { 340 const char *str = PyString_AsString(PyObject_Str(attr_name)); 341 struct perf_evsel *evsel = pevent->evsel; 342 struct format_field *field; 343 344 if (!evsel->tp_format) { 345 struct event_format *tp_format; 346 347 tp_format = trace_event__tp_format_id(evsel->attr.config); 348 if (!tp_format) 349 return NULL; 350 351 evsel->tp_format = tp_format; 352 } 353 354 field = pevent_find_any_field(evsel->tp_format, str); 355 if (!field) 356 return NULL; 357 358 return tracepoint_field(pevent, field); 359 } 360 361 static PyObject* 362 pyrf_sample_event__getattro(struct pyrf_event *pevent, PyObject *attr_name) 363 { 364 PyObject *obj = NULL; 365 366 if (is_tracepoint(pevent)) 367 obj = get_tracepoint_field(pevent, attr_name); 368 369 return obj ?: PyObject_GenericGetAttr((PyObject *) pevent, attr_name); 370 } 371 372 static PyTypeObject pyrf_sample_event__type = { 373 PyVarObject_HEAD_INIT(NULL, 0) 374 .tp_name = "perf.sample_event", 375 .tp_basicsize = sizeof(struct pyrf_event), 376 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 377 .tp_doc = pyrf_sample_event__doc, 378 .tp_members = pyrf_sample_event__members, 379 .tp_repr = (reprfunc)pyrf_sample_event__repr, 380 .tp_getattro = (getattrofunc) pyrf_sample_event__getattro, 381 }; 382 383 static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); 384 385 static PyMemberDef pyrf_context_switch_event__members[] = { 386 sample_members 387 member_def(perf_event_header, type, T_UINT, "event type"), 388 member_def(context_switch_event, next_prev_pid, T_UINT, "next/prev pid"), 389 member_def(context_switch_event, next_prev_tid, T_UINT, "next/prev tid"), 390 { .name = NULL, }, 391 }; 392 393 static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) 394 { 395 PyObject *ret; 396 char *s; 397 398 if (asprintf(&s, "{ type: context_switch, next_prev_pid: %u, next_prev_tid: %u, switch_out: %u }", 399 pevent->event.context_switch.next_prev_pid, 400 pevent->event.context_switch.next_prev_tid, 401 !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) { 402 ret = PyErr_NoMemory(); 403 } else { 404 ret = PyString_FromString(s); 405 free(s); 406 } 407 return ret; 408 } 409 410 static PyTypeObject pyrf_context_switch_event__type = { 411 PyVarObject_HEAD_INIT(NULL, 0) 412 .tp_name = "perf.context_switch_event", 413 .tp_basicsize = sizeof(struct pyrf_event), 414 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 415 .tp_doc = pyrf_context_switch_event__doc, 416 .tp_members = pyrf_context_switch_event__members, 417 .tp_repr = (reprfunc)pyrf_context_switch_event__repr, 418 }; 419 420 static int pyrf_event__setup_types(void) 421 { 422 int err; 423 pyrf_mmap_event__type.tp_new = 424 pyrf_task_event__type.tp_new = 425 pyrf_comm_event__type.tp_new = 426 pyrf_lost_event__type.tp_new = 427 pyrf_read_event__type.tp_new = 428 pyrf_sample_event__type.tp_new = 429 pyrf_context_switch_event__type.tp_new = 430 pyrf_throttle_event__type.tp_new = PyType_GenericNew; 431 err = PyType_Ready(&pyrf_mmap_event__type); 432 if (err < 0) 433 goto out; 434 err = PyType_Ready(&pyrf_lost_event__type); 435 if (err < 0) 436 goto out; 437 err = PyType_Ready(&pyrf_task_event__type); 438 if (err < 0) 439 goto out; 440 err = PyType_Ready(&pyrf_comm_event__type); 441 if (err < 0) 442 goto out; 443 err = PyType_Ready(&pyrf_throttle_event__type); 444 if (err < 0) 445 goto out; 446 err = PyType_Ready(&pyrf_read_event__type); 447 if (err < 0) 448 goto out; 449 err = PyType_Ready(&pyrf_sample_event__type); 450 if (err < 0) 451 goto out; 452 err = PyType_Ready(&pyrf_context_switch_event__type); 453 if (err < 0) 454 goto out; 455 out: 456 return err; 457 } 458 459 static PyTypeObject *pyrf_event__type[] = { 460 [PERF_RECORD_MMAP] = &pyrf_mmap_event__type, 461 [PERF_RECORD_LOST] = &pyrf_lost_event__type, 462 [PERF_RECORD_COMM] = &pyrf_comm_event__type, 463 [PERF_RECORD_EXIT] = &pyrf_task_event__type, 464 [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type, 465 [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type, 466 [PERF_RECORD_FORK] = &pyrf_task_event__type, 467 [PERF_RECORD_READ] = &pyrf_read_event__type, 468 [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type, 469 [PERF_RECORD_SWITCH] = &pyrf_context_switch_event__type, 470 [PERF_RECORD_SWITCH_CPU_WIDE] = &pyrf_context_switch_event__type, 471 }; 472 473 static PyObject *pyrf_event__new(union perf_event *event) 474 { 475 struct pyrf_event *pevent; 476 PyTypeObject *ptype; 477 478 if ((event->header.type < PERF_RECORD_MMAP || 479 event->header.type > PERF_RECORD_SAMPLE) && 480 !(event->header.type == PERF_RECORD_SWITCH || 481 event->header.type == PERF_RECORD_SWITCH_CPU_WIDE)) 482 return NULL; 483 484 ptype = pyrf_event__type[event->header.type]; 485 pevent = PyObject_New(struct pyrf_event, ptype); 486 if (pevent != NULL) 487 memcpy(&pevent->event, event, event->header.size); 488 return (PyObject *)pevent; 489 } 490 491 struct pyrf_cpu_map { 492 PyObject_HEAD 493 494 struct cpu_map *cpus; 495 }; 496 497 static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus, 498 PyObject *args, PyObject *kwargs) 499 { 500 static char *kwlist[] = { "cpustr", NULL }; 501 char *cpustr = NULL; 502 503 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", 504 kwlist, &cpustr)) 505 return -1; 506 507 pcpus->cpus = cpu_map__new(cpustr); 508 if (pcpus->cpus == NULL) 509 return -1; 510 return 0; 511 } 512 513 static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus) 514 { 515 cpu_map__put(pcpus->cpus); 516 pcpus->ob_type->tp_free((PyObject*)pcpus); 517 } 518 519 static Py_ssize_t pyrf_cpu_map__length(PyObject *obj) 520 { 521 struct pyrf_cpu_map *pcpus = (void *)obj; 522 523 return pcpus->cpus->nr; 524 } 525 526 static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i) 527 { 528 struct pyrf_cpu_map *pcpus = (void *)obj; 529 530 if (i >= pcpus->cpus->nr) 531 return NULL; 532 533 return Py_BuildValue("i", pcpus->cpus->map[i]); 534 } 535 536 static PySequenceMethods pyrf_cpu_map__sequence_methods = { 537 .sq_length = pyrf_cpu_map__length, 538 .sq_item = pyrf_cpu_map__item, 539 }; 540 541 static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object."); 542 543 static PyTypeObject pyrf_cpu_map__type = { 544 PyVarObject_HEAD_INIT(NULL, 0) 545 .tp_name = "perf.cpu_map", 546 .tp_basicsize = sizeof(struct pyrf_cpu_map), 547 .tp_dealloc = (destructor)pyrf_cpu_map__delete, 548 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 549 .tp_doc = pyrf_cpu_map__doc, 550 .tp_as_sequence = &pyrf_cpu_map__sequence_methods, 551 .tp_init = (initproc)pyrf_cpu_map__init, 552 }; 553 554 static int pyrf_cpu_map__setup_types(void) 555 { 556 pyrf_cpu_map__type.tp_new = PyType_GenericNew; 557 return PyType_Ready(&pyrf_cpu_map__type); 558 } 559 560 struct pyrf_thread_map { 561 PyObject_HEAD 562 563 struct thread_map *threads; 564 }; 565 566 static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, 567 PyObject *args, PyObject *kwargs) 568 { 569 static char *kwlist[] = { "pid", "tid", "uid", NULL }; 570 int pid = -1, tid = -1, uid = UINT_MAX; 571 572 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii", 573 kwlist, &pid, &tid, &uid)) 574 return -1; 575 576 pthreads->threads = thread_map__new(pid, tid, uid); 577 if (pthreads->threads == NULL) 578 return -1; 579 return 0; 580 } 581 582 static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads) 583 { 584 thread_map__put(pthreads->threads); 585 pthreads->ob_type->tp_free((PyObject*)pthreads); 586 } 587 588 static Py_ssize_t pyrf_thread_map__length(PyObject *obj) 589 { 590 struct pyrf_thread_map *pthreads = (void *)obj; 591 592 return pthreads->threads->nr; 593 } 594 595 static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i) 596 { 597 struct pyrf_thread_map *pthreads = (void *)obj; 598 599 if (i >= pthreads->threads->nr) 600 return NULL; 601 602 return Py_BuildValue("i", pthreads->threads->map[i]); 603 } 604 605 static PySequenceMethods pyrf_thread_map__sequence_methods = { 606 .sq_length = pyrf_thread_map__length, 607 .sq_item = pyrf_thread_map__item, 608 }; 609 610 static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object."); 611 612 static PyTypeObject pyrf_thread_map__type = { 613 PyVarObject_HEAD_INIT(NULL, 0) 614 .tp_name = "perf.thread_map", 615 .tp_basicsize = sizeof(struct pyrf_thread_map), 616 .tp_dealloc = (destructor)pyrf_thread_map__delete, 617 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 618 .tp_doc = pyrf_thread_map__doc, 619 .tp_as_sequence = &pyrf_thread_map__sequence_methods, 620 .tp_init = (initproc)pyrf_thread_map__init, 621 }; 622 623 static int pyrf_thread_map__setup_types(void) 624 { 625 pyrf_thread_map__type.tp_new = PyType_GenericNew; 626 return PyType_Ready(&pyrf_thread_map__type); 627 } 628 629 struct pyrf_evsel { 630 PyObject_HEAD 631 632 struct perf_evsel evsel; 633 }; 634 635 static int pyrf_evsel__init(struct pyrf_evsel *pevsel, 636 PyObject *args, PyObject *kwargs) 637 { 638 struct perf_event_attr attr = { 639 .type = PERF_TYPE_HARDWARE, 640 .config = PERF_COUNT_HW_CPU_CYCLES, 641 .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID, 642 }; 643 static char *kwlist[] = { 644 "type", 645 "config", 646 "sample_freq", 647 "sample_period", 648 "sample_type", 649 "read_format", 650 "disabled", 651 "inherit", 652 "pinned", 653 "exclusive", 654 "exclude_user", 655 "exclude_kernel", 656 "exclude_hv", 657 "exclude_idle", 658 "mmap", 659 "context_switch", 660 "comm", 661 "freq", 662 "inherit_stat", 663 "enable_on_exec", 664 "task", 665 "watermark", 666 "precise_ip", 667 "mmap_data", 668 "sample_id_all", 669 "wakeup_events", 670 "bp_type", 671 "bp_addr", 672 "bp_len", 673 NULL 674 }; 675 u64 sample_period = 0; 676 u32 disabled = 0, 677 inherit = 0, 678 pinned = 0, 679 exclusive = 0, 680 exclude_user = 0, 681 exclude_kernel = 0, 682 exclude_hv = 0, 683 exclude_idle = 0, 684 mmap = 0, 685 context_switch = 0, 686 comm = 0, 687 freq = 1, 688 inherit_stat = 0, 689 enable_on_exec = 0, 690 task = 0, 691 watermark = 0, 692 precise_ip = 0, 693 mmap_data = 0, 694 sample_id_all = 1; 695 int idx = 0; 696 697 if (!PyArg_ParseTupleAndKeywords(args, kwargs, 698 "|iKiKKiiiiiiiiiiiiiiiiiiiiiiKK", kwlist, 699 &attr.type, &attr.config, &attr.sample_freq, 700 &sample_period, &attr.sample_type, 701 &attr.read_format, &disabled, &inherit, 702 &pinned, &exclusive, &exclude_user, 703 &exclude_kernel, &exclude_hv, &exclude_idle, 704 &mmap, &context_switch, &comm, &freq, &inherit_stat, 705 &enable_on_exec, &task, &watermark, 706 &precise_ip, &mmap_data, &sample_id_all, 707 &attr.wakeup_events, &attr.bp_type, 708 &attr.bp_addr, &attr.bp_len, &idx)) 709 return -1; 710 711 /* union... */ 712 if (sample_period != 0) { 713 if (attr.sample_freq != 0) 714 return -1; /* FIXME: throw right exception */ 715 attr.sample_period = sample_period; 716 } 717 718 /* Bitfields */ 719 attr.disabled = disabled; 720 attr.inherit = inherit; 721 attr.pinned = pinned; 722 attr.exclusive = exclusive; 723 attr.exclude_user = exclude_user; 724 attr.exclude_kernel = exclude_kernel; 725 attr.exclude_hv = exclude_hv; 726 attr.exclude_idle = exclude_idle; 727 attr.mmap = mmap; 728 attr.context_switch = context_switch; 729 attr.comm = comm; 730 attr.freq = freq; 731 attr.inherit_stat = inherit_stat; 732 attr.enable_on_exec = enable_on_exec; 733 attr.task = task; 734 attr.watermark = watermark; 735 attr.precise_ip = precise_ip; 736 attr.mmap_data = mmap_data; 737 attr.sample_id_all = sample_id_all; 738 attr.size = sizeof(attr); 739 740 perf_evsel__init(&pevsel->evsel, &attr, idx); 741 return 0; 742 } 743 744 static void pyrf_evsel__delete(struct pyrf_evsel *pevsel) 745 { 746 perf_evsel__exit(&pevsel->evsel); 747 pevsel->ob_type->tp_free((PyObject*)pevsel); 748 } 749 750 static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel, 751 PyObject *args, PyObject *kwargs) 752 { 753 struct perf_evsel *evsel = &pevsel->evsel; 754 struct cpu_map *cpus = NULL; 755 struct thread_map *threads = NULL; 756 PyObject *pcpus = NULL, *pthreads = NULL; 757 int group = 0, inherit = 0; 758 static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL }; 759 760 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, 761 &pcpus, &pthreads, &group, &inherit)) 762 return NULL; 763 764 if (pthreads != NULL) 765 threads = ((struct pyrf_thread_map *)pthreads)->threads; 766 767 if (pcpus != NULL) 768 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; 769 770 evsel->attr.inherit = inherit; 771 /* 772 * This will group just the fds for this single evsel, to group 773 * multiple events, use evlist.open(). 774 */ 775 if (perf_evsel__open(evsel, cpus, threads) < 0) { 776 PyErr_SetFromErrno(PyExc_OSError); 777 return NULL; 778 } 779 780 Py_INCREF(Py_None); 781 return Py_None; 782 } 783 784 static PyMethodDef pyrf_evsel__methods[] = { 785 { 786 .ml_name = "open", 787 .ml_meth = (PyCFunction)pyrf_evsel__open, 788 .ml_flags = METH_VARARGS | METH_KEYWORDS, 789 .ml_doc = PyDoc_STR("open the event selector file descriptor table.") 790 }, 791 { .ml_name = NULL, } 792 }; 793 794 static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object."); 795 796 static PyTypeObject pyrf_evsel__type = { 797 PyVarObject_HEAD_INIT(NULL, 0) 798 .tp_name = "perf.evsel", 799 .tp_basicsize = sizeof(struct pyrf_evsel), 800 .tp_dealloc = (destructor)pyrf_evsel__delete, 801 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 802 .tp_doc = pyrf_evsel__doc, 803 .tp_methods = pyrf_evsel__methods, 804 .tp_init = (initproc)pyrf_evsel__init, 805 }; 806 807 static int pyrf_evsel__setup_types(void) 808 { 809 pyrf_evsel__type.tp_new = PyType_GenericNew; 810 return PyType_Ready(&pyrf_evsel__type); 811 } 812 813 struct pyrf_evlist { 814 PyObject_HEAD 815 816 struct perf_evlist evlist; 817 }; 818 819 static int pyrf_evlist__init(struct pyrf_evlist *pevlist, 820 PyObject *args, PyObject *kwargs __maybe_unused) 821 { 822 PyObject *pcpus = NULL, *pthreads = NULL; 823 struct cpu_map *cpus; 824 struct thread_map *threads; 825 826 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads)) 827 return -1; 828 829 threads = ((struct pyrf_thread_map *)pthreads)->threads; 830 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; 831 perf_evlist__init(&pevlist->evlist, cpus, threads); 832 return 0; 833 } 834 835 static void pyrf_evlist__delete(struct pyrf_evlist *pevlist) 836 { 837 perf_evlist__exit(&pevlist->evlist); 838 pevlist->ob_type->tp_free((PyObject*)pevlist); 839 } 840 841 static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, 842 PyObject *args, PyObject *kwargs) 843 { 844 struct perf_evlist *evlist = &pevlist->evlist; 845 static char *kwlist[] = { "pages", "overwrite", NULL }; 846 int pages = 128, overwrite = false; 847 848 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist, 849 &pages, &overwrite)) 850 return NULL; 851 852 if (perf_evlist__mmap(evlist, pages, overwrite) < 0) { 853 PyErr_SetFromErrno(PyExc_OSError); 854 return NULL; 855 } 856 857 Py_INCREF(Py_None); 858 return Py_None; 859 } 860 861 static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist, 862 PyObject *args, PyObject *kwargs) 863 { 864 struct perf_evlist *evlist = &pevlist->evlist; 865 static char *kwlist[] = { "timeout", NULL }; 866 int timeout = -1, n; 867 868 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout)) 869 return NULL; 870 871 n = perf_evlist__poll(evlist, timeout); 872 if (n < 0) { 873 PyErr_SetFromErrno(PyExc_OSError); 874 return NULL; 875 } 876 877 return Py_BuildValue("i", n); 878 } 879 880 static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist, 881 PyObject *args __maybe_unused, 882 PyObject *kwargs __maybe_unused) 883 { 884 struct perf_evlist *evlist = &pevlist->evlist; 885 PyObject *list = PyList_New(0); 886 int i; 887 888 for (i = 0; i < evlist->pollfd.nr; ++i) { 889 PyObject *file; 890 FILE *fp = fdopen(evlist->pollfd.entries[i].fd, "r"); 891 892 if (fp == NULL) 893 goto free_list; 894 895 file = PyFile_FromFile(fp, "perf", "r", NULL); 896 if (file == NULL) 897 goto free_list; 898 899 if (PyList_Append(list, file) != 0) { 900 Py_DECREF(file); 901 goto free_list; 902 } 903 904 Py_DECREF(file); 905 } 906 907 return list; 908 free_list: 909 return PyErr_NoMemory(); 910 } 911 912 913 static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist, 914 PyObject *args, 915 PyObject *kwargs __maybe_unused) 916 { 917 struct perf_evlist *evlist = &pevlist->evlist; 918 PyObject *pevsel; 919 struct perf_evsel *evsel; 920 921 if (!PyArg_ParseTuple(args, "O", &pevsel)) 922 return NULL; 923 924 Py_INCREF(pevsel); 925 evsel = &((struct pyrf_evsel *)pevsel)->evsel; 926 evsel->idx = evlist->nr_entries; 927 perf_evlist__add(evlist, evsel); 928 929 return Py_BuildValue("i", evlist->nr_entries); 930 } 931 932 static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, 933 PyObject *args, PyObject *kwargs) 934 { 935 struct perf_evlist *evlist = &pevlist->evlist; 936 union perf_event *event; 937 int sample_id_all = 1, cpu; 938 static char *kwlist[] = { "cpu", "sample_id_all", NULL }; 939 int err; 940 941 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist, 942 &cpu, &sample_id_all)) 943 return NULL; 944 945 event = perf_evlist__mmap_read(evlist, cpu); 946 if (event != NULL) { 947 PyObject *pyevent = pyrf_event__new(event); 948 struct pyrf_event *pevent = (struct pyrf_event *)pyevent; 949 struct perf_evsel *evsel; 950 951 if (pyevent == NULL) 952 return PyErr_NoMemory(); 953 954 evsel = perf_evlist__event2evsel(evlist, event); 955 if (!evsel) 956 return Py_None; 957 958 pevent->evsel = evsel; 959 960 err = perf_evsel__parse_sample(evsel, event, &pevent->sample); 961 962 /* Consume the even only after we parsed it out. */ 963 perf_evlist__mmap_consume(evlist, cpu); 964 965 if (err) 966 return PyErr_Format(PyExc_OSError, 967 "perf: can't parse sample, err=%d", err); 968 return pyevent; 969 } 970 971 Py_INCREF(Py_None); 972 return Py_None; 973 } 974 975 static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist, 976 PyObject *args, PyObject *kwargs) 977 { 978 struct perf_evlist *evlist = &pevlist->evlist; 979 int group = 0; 980 static char *kwlist[] = { "group", NULL }; 981 982 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group)) 983 return NULL; 984 985 if (group) 986 perf_evlist__set_leader(evlist); 987 988 if (perf_evlist__open(evlist) < 0) { 989 PyErr_SetFromErrno(PyExc_OSError); 990 return NULL; 991 } 992 993 Py_INCREF(Py_None); 994 return Py_None; 995 } 996 997 static PyMethodDef pyrf_evlist__methods[] = { 998 { 999 .ml_name = "mmap", 1000 .ml_meth = (PyCFunction)pyrf_evlist__mmap, 1001 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1002 .ml_doc = PyDoc_STR("mmap the file descriptor table.") 1003 }, 1004 { 1005 .ml_name = "open", 1006 .ml_meth = (PyCFunction)pyrf_evlist__open, 1007 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1008 .ml_doc = PyDoc_STR("open the file descriptors.") 1009 }, 1010 { 1011 .ml_name = "poll", 1012 .ml_meth = (PyCFunction)pyrf_evlist__poll, 1013 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1014 .ml_doc = PyDoc_STR("poll the file descriptor table.") 1015 }, 1016 { 1017 .ml_name = "get_pollfd", 1018 .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd, 1019 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1020 .ml_doc = PyDoc_STR("get the poll file descriptor table.") 1021 }, 1022 { 1023 .ml_name = "add", 1024 .ml_meth = (PyCFunction)pyrf_evlist__add, 1025 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1026 .ml_doc = PyDoc_STR("adds an event selector to the list.") 1027 }, 1028 { 1029 .ml_name = "read_on_cpu", 1030 .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu, 1031 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1032 .ml_doc = PyDoc_STR("reads an event.") 1033 }, 1034 { .ml_name = NULL, } 1035 }; 1036 1037 static Py_ssize_t pyrf_evlist__length(PyObject *obj) 1038 { 1039 struct pyrf_evlist *pevlist = (void *)obj; 1040 1041 return pevlist->evlist.nr_entries; 1042 } 1043 1044 static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) 1045 { 1046 struct pyrf_evlist *pevlist = (void *)obj; 1047 struct perf_evsel *pos; 1048 1049 if (i >= pevlist->evlist.nr_entries) 1050 return NULL; 1051 1052 evlist__for_each_entry(&pevlist->evlist, pos) { 1053 if (i-- == 0) 1054 break; 1055 } 1056 1057 return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel)); 1058 } 1059 1060 static PySequenceMethods pyrf_evlist__sequence_methods = { 1061 .sq_length = pyrf_evlist__length, 1062 .sq_item = pyrf_evlist__item, 1063 }; 1064 1065 static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object."); 1066 1067 static PyTypeObject pyrf_evlist__type = { 1068 PyVarObject_HEAD_INIT(NULL, 0) 1069 .tp_name = "perf.evlist", 1070 .tp_basicsize = sizeof(struct pyrf_evlist), 1071 .tp_dealloc = (destructor)pyrf_evlist__delete, 1072 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 1073 .tp_as_sequence = &pyrf_evlist__sequence_methods, 1074 .tp_doc = pyrf_evlist__doc, 1075 .tp_methods = pyrf_evlist__methods, 1076 .tp_init = (initproc)pyrf_evlist__init, 1077 }; 1078 1079 static int pyrf_evlist__setup_types(void) 1080 { 1081 pyrf_evlist__type.tp_new = PyType_GenericNew; 1082 return PyType_Ready(&pyrf_evlist__type); 1083 } 1084 1085 #define PERF_CONST(name) { #name, PERF_##name } 1086 1087 static struct { 1088 const char *name; 1089 int value; 1090 } perf__constants[] = { 1091 PERF_CONST(TYPE_HARDWARE), 1092 PERF_CONST(TYPE_SOFTWARE), 1093 PERF_CONST(TYPE_TRACEPOINT), 1094 PERF_CONST(TYPE_HW_CACHE), 1095 PERF_CONST(TYPE_RAW), 1096 PERF_CONST(TYPE_BREAKPOINT), 1097 1098 PERF_CONST(COUNT_HW_CPU_CYCLES), 1099 PERF_CONST(COUNT_HW_INSTRUCTIONS), 1100 PERF_CONST(COUNT_HW_CACHE_REFERENCES), 1101 PERF_CONST(COUNT_HW_CACHE_MISSES), 1102 PERF_CONST(COUNT_HW_BRANCH_INSTRUCTIONS), 1103 PERF_CONST(COUNT_HW_BRANCH_MISSES), 1104 PERF_CONST(COUNT_HW_BUS_CYCLES), 1105 PERF_CONST(COUNT_HW_CACHE_L1D), 1106 PERF_CONST(COUNT_HW_CACHE_L1I), 1107 PERF_CONST(COUNT_HW_CACHE_LL), 1108 PERF_CONST(COUNT_HW_CACHE_DTLB), 1109 PERF_CONST(COUNT_HW_CACHE_ITLB), 1110 PERF_CONST(COUNT_HW_CACHE_BPU), 1111 PERF_CONST(COUNT_HW_CACHE_OP_READ), 1112 PERF_CONST(COUNT_HW_CACHE_OP_WRITE), 1113 PERF_CONST(COUNT_HW_CACHE_OP_PREFETCH), 1114 PERF_CONST(COUNT_HW_CACHE_RESULT_ACCESS), 1115 PERF_CONST(COUNT_HW_CACHE_RESULT_MISS), 1116 1117 PERF_CONST(COUNT_HW_STALLED_CYCLES_FRONTEND), 1118 PERF_CONST(COUNT_HW_STALLED_CYCLES_BACKEND), 1119 1120 PERF_CONST(COUNT_SW_CPU_CLOCK), 1121 PERF_CONST(COUNT_SW_TASK_CLOCK), 1122 PERF_CONST(COUNT_SW_PAGE_FAULTS), 1123 PERF_CONST(COUNT_SW_CONTEXT_SWITCHES), 1124 PERF_CONST(COUNT_SW_CPU_MIGRATIONS), 1125 PERF_CONST(COUNT_SW_PAGE_FAULTS_MIN), 1126 PERF_CONST(COUNT_SW_PAGE_FAULTS_MAJ), 1127 PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS), 1128 PERF_CONST(COUNT_SW_EMULATION_FAULTS), 1129 PERF_CONST(COUNT_SW_DUMMY), 1130 1131 PERF_CONST(SAMPLE_IP), 1132 PERF_CONST(SAMPLE_TID), 1133 PERF_CONST(SAMPLE_TIME), 1134 PERF_CONST(SAMPLE_ADDR), 1135 PERF_CONST(SAMPLE_READ), 1136 PERF_CONST(SAMPLE_CALLCHAIN), 1137 PERF_CONST(SAMPLE_ID), 1138 PERF_CONST(SAMPLE_CPU), 1139 PERF_CONST(SAMPLE_PERIOD), 1140 PERF_CONST(SAMPLE_STREAM_ID), 1141 PERF_CONST(SAMPLE_RAW), 1142 1143 PERF_CONST(FORMAT_TOTAL_TIME_ENABLED), 1144 PERF_CONST(FORMAT_TOTAL_TIME_RUNNING), 1145 PERF_CONST(FORMAT_ID), 1146 PERF_CONST(FORMAT_GROUP), 1147 1148 PERF_CONST(RECORD_MMAP), 1149 PERF_CONST(RECORD_LOST), 1150 PERF_CONST(RECORD_COMM), 1151 PERF_CONST(RECORD_EXIT), 1152 PERF_CONST(RECORD_THROTTLE), 1153 PERF_CONST(RECORD_UNTHROTTLE), 1154 PERF_CONST(RECORD_FORK), 1155 PERF_CONST(RECORD_READ), 1156 PERF_CONST(RECORD_SAMPLE), 1157 PERF_CONST(RECORD_MMAP2), 1158 PERF_CONST(RECORD_AUX), 1159 PERF_CONST(RECORD_ITRACE_START), 1160 PERF_CONST(RECORD_LOST_SAMPLES), 1161 PERF_CONST(RECORD_SWITCH), 1162 PERF_CONST(RECORD_SWITCH_CPU_WIDE), 1163 1164 PERF_CONST(RECORD_MISC_SWITCH_OUT), 1165 { .name = NULL, }, 1166 }; 1167 1168 static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, 1169 PyObject *args, PyObject *kwargs) 1170 { 1171 struct event_format *tp_format; 1172 static char *kwlist[] = { "sys", "name", NULL }; 1173 char *sys = NULL; 1174 char *name = NULL; 1175 1176 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss", kwlist, 1177 &sys, &name)) 1178 return NULL; 1179 1180 tp_format = trace_event__tp_format(sys, name); 1181 if (IS_ERR(tp_format)) 1182 return PyInt_FromLong(-1); 1183 1184 return PyInt_FromLong(tp_format->id); 1185 } 1186 1187 static PyMethodDef perf__methods[] = { 1188 { 1189 .ml_name = "tracepoint", 1190 .ml_meth = (PyCFunction) pyrf__tracepoint, 1191 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1192 .ml_doc = PyDoc_STR("Get tracepoint config.") 1193 }, 1194 { .ml_name = NULL, } 1195 }; 1196 1197 PyMODINIT_FUNC initperf(void) 1198 { 1199 PyObject *obj; 1200 int i; 1201 PyObject *dict, *module = Py_InitModule("perf", perf__methods); 1202 1203 if (module == NULL || 1204 pyrf_event__setup_types() < 0 || 1205 pyrf_evlist__setup_types() < 0 || 1206 pyrf_evsel__setup_types() < 0 || 1207 pyrf_thread_map__setup_types() < 0 || 1208 pyrf_cpu_map__setup_types() < 0) 1209 return; 1210 1211 /* The page_size is placed in util object. */ 1212 page_size = sysconf(_SC_PAGE_SIZE); 1213 1214 Py_INCREF(&pyrf_evlist__type); 1215 PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type); 1216 1217 Py_INCREF(&pyrf_evsel__type); 1218 PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type); 1219 1220 Py_INCREF(&pyrf_mmap_event__type); 1221 PyModule_AddObject(module, "mmap_event", (PyObject *)&pyrf_mmap_event__type); 1222 1223 Py_INCREF(&pyrf_lost_event__type); 1224 PyModule_AddObject(module, "lost_event", (PyObject *)&pyrf_lost_event__type); 1225 1226 Py_INCREF(&pyrf_comm_event__type); 1227 PyModule_AddObject(module, "comm_event", (PyObject *)&pyrf_comm_event__type); 1228 1229 Py_INCREF(&pyrf_task_event__type); 1230 PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); 1231 1232 Py_INCREF(&pyrf_throttle_event__type); 1233 PyModule_AddObject(module, "throttle_event", (PyObject *)&pyrf_throttle_event__type); 1234 1235 Py_INCREF(&pyrf_task_event__type); 1236 PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); 1237 1238 Py_INCREF(&pyrf_read_event__type); 1239 PyModule_AddObject(module, "read_event", (PyObject *)&pyrf_read_event__type); 1240 1241 Py_INCREF(&pyrf_sample_event__type); 1242 PyModule_AddObject(module, "sample_event", (PyObject *)&pyrf_sample_event__type); 1243 1244 Py_INCREF(&pyrf_context_switch_event__type); 1245 PyModule_AddObject(module, "switch_event", (PyObject *)&pyrf_context_switch_event__type); 1246 1247 Py_INCREF(&pyrf_thread_map__type); 1248 PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type); 1249 1250 Py_INCREF(&pyrf_cpu_map__type); 1251 PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type); 1252 1253 dict = PyModule_GetDict(module); 1254 if (dict == NULL) 1255 goto error; 1256 1257 for (i = 0; perf__constants[i].name != NULL; i++) { 1258 obj = PyInt_FromLong(perf__constants[i].value); 1259 if (obj == NULL) 1260 goto error; 1261 PyDict_SetItemString(dict, perf__constants[i].name, obj); 1262 Py_DECREF(obj); 1263 } 1264 1265 error: 1266 if (PyErr_Occurred()) 1267 PyErr_SetString(PyExc_ImportError, "perf: Init failed!"); 1268 } 1269 1270 /* 1271 * Dummy, to avoid dragging all the test_attr infrastructure in the python 1272 * binding. 1273 */ 1274 void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, 1275 int fd, int group_fd, unsigned long flags) 1276 { 1277 } 1278