1 // SPDX-License-Identifier: GPL-2.0 2 #include <Python.h> 3 #include <structmember.h> 4 #include <inttypes.h> 5 #include <poll.h> 6 #include <linux/err.h> 7 #include "evlist.h" 8 #include "callchain.h" 9 #include "evsel.h" 10 #include "event.h" 11 #include "cpumap.h" 12 #include "print_binary.h" 13 #include "thread_map.h" 14 15 /* 16 * Provide these two so that we don't have to link against callchain.c and 17 * start dragging hist.c, etc. 18 */ 19 struct callchain_param callchain_param; 20 21 int parse_callchain_record(const char *arg __maybe_unused, 22 struct callchain_param *param __maybe_unused) 23 { 24 return 0; 25 } 26 27 /* 28 * Support debug printing even though util/debug.c is not linked. That means 29 * implementing 'verbose' and 'eprintf'. 30 */ 31 int verbose; 32 33 int eprintf(int level, int var, const char *fmt, ...) 34 { 35 va_list args; 36 int ret = 0; 37 38 if (var >= level) { 39 va_start(args, fmt); 40 ret = vfprintf(stderr, fmt, args); 41 va_end(args); 42 } 43 44 return ret; 45 } 46 47 /* Define PyVarObject_HEAD_INIT for python 2.5 */ 48 #ifndef PyVarObject_HEAD_INIT 49 # define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, 50 #endif 51 52 PyMODINIT_FUNC initperf(void); 53 54 #define member_def(type, member, ptype, help) \ 55 { #member, ptype, \ 56 offsetof(struct pyrf_event, event) + offsetof(struct type, member), \ 57 0, help } 58 59 #define sample_member_def(name, member, ptype, help) \ 60 { #name, ptype, \ 61 offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \ 62 0, help } 63 64 struct pyrf_event { 65 PyObject_HEAD 66 struct perf_evsel *evsel; 67 struct perf_sample sample; 68 union perf_event event; 69 }; 70 71 #define sample_members \ 72 sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \ 73 sample_member_def(sample_pid, pid, T_INT, "event pid"), \ 74 sample_member_def(sample_tid, tid, T_INT, "event tid"), \ 75 sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \ 76 sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \ 77 sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \ 78 sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \ 79 sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \ 80 sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"), 81 82 static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object."); 83 84 static PyMemberDef pyrf_mmap_event__members[] = { 85 sample_members 86 member_def(perf_event_header, type, T_UINT, "event type"), 87 member_def(perf_event_header, misc, T_UINT, "event misc"), 88 member_def(mmap_event, pid, T_UINT, "event pid"), 89 member_def(mmap_event, tid, T_UINT, "event tid"), 90 member_def(mmap_event, start, T_ULONGLONG, "start of the map"), 91 member_def(mmap_event, len, T_ULONGLONG, "map length"), 92 member_def(mmap_event, pgoff, T_ULONGLONG, "page offset"), 93 member_def(mmap_event, filename, T_STRING_INPLACE, "backing store"), 94 { .name = NULL, }, 95 }; 96 97 static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) 98 { 99 PyObject *ret; 100 char *s; 101 102 if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRIx64 ", " 103 "length: %#" PRIx64 ", offset: %#" PRIx64 ", " 104 "filename: %s }", 105 pevent->event.mmap.pid, pevent->event.mmap.tid, 106 pevent->event.mmap.start, pevent->event.mmap.len, 107 pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) { 108 ret = PyErr_NoMemory(); 109 } else { 110 ret = PyString_FromString(s); 111 free(s); 112 } 113 return ret; 114 } 115 116 static PyTypeObject pyrf_mmap_event__type = { 117 PyVarObject_HEAD_INIT(NULL, 0) 118 .tp_name = "perf.mmap_event", 119 .tp_basicsize = sizeof(struct pyrf_event), 120 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 121 .tp_doc = pyrf_mmap_event__doc, 122 .tp_members = pyrf_mmap_event__members, 123 .tp_repr = (reprfunc)pyrf_mmap_event__repr, 124 }; 125 126 static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); 127 128 static PyMemberDef pyrf_task_event__members[] = { 129 sample_members 130 member_def(perf_event_header, type, T_UINT, "event type"), 131 member_def(fork_event, pid, T_UINT, "event pid"), 132 member_def(fork_event, ppid, T_UINT, "event ppid"), 133 member_def(fork_event, tid, T_UINT, "event tid"), 134 member_def(fork_event, ptid, T_UINT, "event ptid"), 135 member_def(fork_event, time, T_ULONGLONG, "timestamp"), 136 { .name = NULL, }, 137 }; 138 139 static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) 140 { 141 return PyString_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " 142 "ptid: %u, time: %" PRIu64 "}", 143 pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit", 144 pevent->event.fork.pid, 145 pevent->event.fork.ppid, 146 pevent->event.fork.tid, 147 pevent->event.fork.ptid, 148 pevent->event.fork.time); 149 } 150 151 static PyTypeObject pyrf_task_event__type = { 152 PyVarObject_HEAD_INIT(NULL, 0) 153 .tp_name = "perf.task_event", 154 .tp_basicsize = sizeof(struct pyrf_event), 155 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 156 .tp_doc = pyrf_task_event__doc, 157 .tp_members = pyrf_task_event__members, 158 .tp_repr = (reprfunc)pyrf_task_event__repr, 159 }; 160 161 static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object."); 162 163 static PyMemberDef pyrf_comm_event__members[] = { 164 sample_members 165 member_def(perf_event_header, type, T_UINT, "event type"), 166 member_def(comm_event, pid, T_UINT, "event pid"), 167 member_def(comm_event, tid, T_UINT, "event tid"), 168 member_def(comm_event, comm, T_STRING_INPLACE, "process name"), 169 { .name = NULL, }, 170 }; 171 172 static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) 173 { 174 return PyString_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", 175 pevent->event.comm.pid, 176 pevent->event.comm.tid, 177 pevent->event.comm.comm); 178 } 179 180 static PyTypeObject pyrf_comm_event__type = { 181 PyVarObject_HEAD_INIT(NULL, 0) 182 .tp_name = "perf.comm_event", 183 .tp_basicsize = sizeof(struct pyrf_event), 184 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 185 .tp_doc = pyrf_comm_event__doc, 186 .tp_members = pyrf_comm_event__members, 187 .tp_repr = (reprfunc)pyrf_comm_event__repr, 188 }; 189 190 static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object."); 191 192 static PyMemberDef pyrf_throttle_event__members[] = { 193 sample_members 194 member_def(perf_event_header, type, T_UINT, "event type"), 195 member_def(throttle_event, time, T_ULONGLONG, "timestamp"), 196 member_def(throttle_event, id, T_ULONGLONG, "event id"), 197 member_def(throttle_event, stream_id, T_ULONGLONG, "event stream id"), 198 { .name = NULL, }, 199 }; 200 201 static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) 202 { 203 struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1); 204 205 return PyString_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64 206 ", stream_id: %" PRIu64 " }", 207 pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un", 208 te->time, te->id, te->stream_id); 209 } 210 211 static PyTypeObject pyrf_throttle_event__type = { 212 PyVarObject_HEAD_INIT(NULL, 0) 213 .tp_name = "perf.throttle_event", 214 .tp_basicsize = sizeof(struct pyrf_event), 215 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 216 .tp_doc = pyrf_throttle_event__doc, 217 .tp_members = pyrf_throttle_event__members, 218 .tp_repr = (reprfunc)pyrf_throttle_event__repr, 219 }; 220 221 static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object."); 222 223 static PyMemberDef pyrf_lost_event__members[] = { 224 sample_members 225 member_def(lost_event, id, T_ULONGLONG, "event id"), 226 member_def(lost_event, lost, T_ULONGLONG, "number of lost events"), 227 { .name = NULL, }, 228 }; 229 230 static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) 231 { 232 PyObject *ret; 233 char *s; 234 235 if (asprintf(&s, "{ type: lost, id: %#" PRIx64 ", " 236 "lost: %#" PRIx64 " }", 237 pevent->event.lost.id, pevent->event.lost.lost) < 0) { 238 ret = PyErr_NoMemory(); 239 } else { 240 ret = PyString_FromString(s); 241 free(s); 242 } 243 return ret; 244 } 245 246 static PyTypeObject pyrf_lost_event__type = { 247 PyVarObject_HEAD_INIT(NULL, 0) 248 .tp_name = "perf.lost_event", 249 .tp_basicsize = sizeof(struct pyrf_event), 250 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 251 .tp_doc = pyrf_lost_event__doc, 252 .tp_members = pyrf_lost_event__members, 253 .tp_repr = (reprfunc)pyrf_lost_event__repr, 254 }; 255 256 static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object."); 257 258 static PyMemberDef pyrf_read_event__members[] = { 259 sample_members 260 member_def(read_event, pid, T_UINT, "event pid"), 261 member_def(read_event, tid, T_UINT, "event tid"), 262 { .name = NULL, }, 263 }; 264 265 static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) 266 { 267 return PyString_FromFormat("{ type: read, pid: %u, tid: %u }", 268 pevent->event.read.pid, 269 pevent->event.read.tid); 270 /* 271 * FIXME: return the array of read values, 272 * making this method useful ;-) 273 */ 274 } 275 276 static PyTypeObject pyrf_read_event__type = { 277 PyVarObject_HEAD_INIT(NULL, 0) 278 .tp_name = "perf.read_event", 279 .tp_basicsize = sizeof(struct pyrf_event), 280 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 281 .tp_doc = pyrf_read_event__doc, 282 .tp_members = pyrf_read_event__members, 283 .tp_repr = (reprfunc)pyrf_read_event__repr, 284 }; 285 286 static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object."); 287 288 static PyMemberDef pyrf_sample_event__members[] = { 289 sample_members 290 member_def(perf_event_header, type, T_UINT, "event type"), 291 { .name = NULL, }, 292 }; 293 294 static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) 295 { 296 PyObject *ret; 297 char *s; 298 299 if (asprintf(&s, "{ type: sample }") < 0) { 300 ret = PyErr_NoMemory(); 301 } else { 302 ret = PyString_FromString(s); 303 free(s); 304 } 305 return ret; 306 } 307 308 static bool is_tracepoint(struct pyrf_event *pevent) 309 { 310 return pevent->evsel->attr.type == PERF_TYPE_TRACEPOINT; 311 } 312 313 static PyObject* 314 tracepoint_field(struct pyrf_event *pe, struct format_field *field) 315 { 316 struct pevent *pevent = field->event->pevent; 317 void *data = pe->sample.raw_data; 318 PyObject *ret = NULL; 319 unsigned long long val; 320 unsigned int offset, len; 321 322 if (field->flags & FIELD_IS_ARRAY) { 323 offset = field->offset; 324 len = field->size; 325 if (field->flags & FIELD_IS_DYNAMIC) { 326 val = pevent_read_number(pevent, data + offset, len); 327 offset = val; 328 len = offset >> 16; 329 offset &= 0xffff; 330 } 331 if (field->flags & FIELD_IS_STRING && 332 is_printable_array(data + offset, len)) { 333 ret = PyString_FromString((char *)data + offset); 334 } else { 335 ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); 336 field->flags &= ~FIELD_IS_STRING; 337 } 338 } else { 339 val = pevent_read_number(pevent, data + field->offset, 340 field->size); 341 if (field->flags & FIELD_IS_POINTER) 342 ret = PyLong_FromUnsignedLong((unsigned long) val); 343 else if (field->flags & FIELD_IS_SIGNED) 344 ret = PyLong_FromLong((long) val); 345 else 346 ret = PyLong_FromUnsignedLong((unsigned long) val); 347 } 348 349 return ret; 350 } 351 352 static PyObject* 353 get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) 354 { 355 const char *str = PyString_AsString(PyObject_Str(attr_name)); 356 struct perf_evsel *evsel = pevent->evsel; 357 struct format_field *field; 358 359 if (!evsel->tp_format) { 360 struct event_format *tp_format; 361 362 tp_format = trace_event__tp_format_id(evsel->attr.config); 363 if (!tp_format) 364 return NULL; 365 366 evsel->tp_format = tp_format; 367 } 368 369 field = pevent_find_any_field(evsel->tp_format, str); 370 if (!field) 371 return NULL; 372 373 return tracepoint_field(pevent, field); 374 } 375 376 static PyObject* 377 pyrf_sample_event__getattro(struct pyrf_event *pevent, PyObject *attr_name) 378 { 379 PyObject *obj = NULL; 380 381 if (is_tracepoint(pevent)) 382 obj = get_tracepoint_field(pevent, attr_name); 383 384 return obj ?: PyObject_GenericGetAttr((PyObject *) pevent, attr_name); 385 } 386 387 static PyTypeObject pyrf_sample_event__type = { 388 PyVarObject_HEAD_INIT(NULL, 0) 389 .tp_name = "perf.sample_event", 390 .tp_basicsize = sizeof(struct pyrf_event), 391 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 392 .tp_doc = pyrf_sample_event__doc, 393 .tp_members = pyrf_sample_event__members, 394 .tp_repr = (reprfunc)pyrf_sample_event__repr, 395 .tp_getattro = (getattrofunc) pyrf_sample_event__getattro, 396 }; 397 398 static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); 399 400 static PyMemberDef pyrf_context_switch_event__members[] = { 401 sample_members 402 member_def(perf_event_header, type, T_UINT, "event type"), 403 member_def(context_switch_event, next_prev_pid, T_UINT, "next/prev pid"), 404 member_def(context_switch_event, next_prev_tid, T_UINT, "next/prev tid"), 405 { .name = NULL, }, 406 }; 407 408 static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) 409 { 410 PyObject *ret; 411 char *s; 412 413 if (asprintf(&s, "{ type: context_switch, next_prev_pid: %u, next_prev_tid: %u, switch_out: %u }", 414 pevent->event.context_switch.next_prev_pid, 415 pevent->event.context_switch.next_prev_tid, 416 !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) { 417 ret = PyErr_NoMemory(); 418 } else { 419 ret = PyString_FromString(s); 420 free(s); 421 } 422 return ret; 423 } 424 425 static PyTypeObject pyrf_context_switch_event__type = { 426 PyVarObject_HEAD_INIT(NULL, 0) 427 .tp_name = "perf.context_switch_event", 428 .tp_basicsize = sizeof(struct pyrf_event), 429 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 430 .tp_doc = pyrf_context_switch_event__doc, 431 .tp_members = pyrf_context_switch_event__members, 432 .tp_repr = (reprfunc)pyrf_context_switch_event__repr, 433 }; 434 435 static int pyrf_event__setup_types(void) 436 { 437 int err; 438 pyrf_mmap_event__type.tp_new = 439 pyrf_task_event__type.tp_new = 440 pyrf_comm_event__type.tp_new = 441 pyrf_lost_event__type.tp_new = 442 pyrf_read_event__type.tp_new = 443 pyrf_sample_event__type.tp_new = 444 pyrf_context_switch_event__type.tp_new = 445 pyrf_throttle_event__type.tp_new = PyType_GenericNew; 446 err = PyType_Ready(&pyrf_mmap_event__type); 447 if (err < 0) 448 goto out; 449 err = PyType_Ready(&pyrf_lost_event__type); 450 if (err < 0) 451 goto out; 452 err = PyType_Ready(&pyrf_task_event__type); 453 if (err < 0) 454 goto out; 455 err = PyType_Ready(&pyrf_comm_event__type); 456 if (err < 0) 457 goto out; 458 err = PyType_Ready(&pyrf_throttle_event__type); 459 if (err < 0) 460 goto out; 461 err = PyType_Ready(&pyrf_read_event__type); 462 if (err < 0) 463 goto out; 464 err = PyType_Ready(&pyrf_sample_event__type); 465 if (err < 0) 466 goto out; 467 err = PyType_Ready(&pyrf_context_switch_event__type); 468 if (err < 0) 469 goto out; 470 out: 471 return err; 472 } 473 474 static PyTypeObject *pyrf_event__type[] = { 475 [PERF_RECORD_MMAP] = &pyrf_mmap_event__type, 476 [PERF_RECORD_LOST] = &pyrf_lost_event__type, 477 [PERF_RECORD_COMM] = &pyrf_comm_event__type, 478 [PERF_RECORD_EXIT] = &pyrf_task_event__type, 479 [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type, 480 [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type, 481 [PERF_RECORD_FORK] = &pyrf_task_event__type, 482 [PERF_RECORD_READ] = &pyrf_read_event__type, 483 [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type, 484 [PERF_RECORD_SWITCH] = &pyrf_context_switch_event__type, 485 [PERF_RECORD_SWITCH_CPU_WIDE] = &pyrf_context_switch_event__type, 486 }; 487 488 static PyObject *pyrf_event__new(union perf_event *event) 489 { 490 struct pyrf_event *pevent; 491 PyTypeObject *ptype; 492 493 if ((event->header.type < PERF_RECORD_MMAP || 494 event->header.type > PERF_RECORD_SAMPLE) && 495 !(event->header.type == PERF_RECORD_SWITCH || 496 event->header.type == PERF_RECORD_SWITCH_CPU_WIDE)) 497 return NULL; 498 499 ptype = pyrf_event__type[event->header.type]; 500 pevent = PyObject_New(struct pyrf_event, ptype); 501 if (pevent != NULL) 502 memcpy(&pevent->event, event, event->header.size); 503 return (PyObject *)pevent; 504 } 505 506 struct pyrf_cpu_map { 507 PyObject_HEAD 508 509 struct cpu_map *cpus; 510 }; 511 512 static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus, 513 PyObject *args, PyObject *kwargs) 514 { 515 static char *kwlist[] = { "cpustr", NULL }; 516 char *cpustr = NULL; 517 518 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", 519 kwlist, &cpustr)) 520 return -1; 521 522 pcpus->cpus = cpu_map__new(cpustr); 523 if (pcpus->cpus == NULL) 524 return -1; 525 return 0; 526 } 527 528 static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus) 529 { 530 cpu_map__put(pcpus->cpus); 531 pcpus->ob_type->tp_free((PyObject*)pcpus); 532 } 533 534 static Py_ssize_t pyrf_cpu_map__length(PyObject *obj) 535 { 536 struct pyrf_cpu_map *pcpus = (void *)obj; 537 538 return pcpus->cpus->nr; 539 } 540 541 static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i) 542 { 543 struct pyrf_cpu_map *pcpus = (void *)obj; 544 545 if (i >= pcpus->cpus->nr) 546 return NULL; 547 548 return Py_BuildValue("i", pcpus->cpus->map[i]); 549 } 550 551 static PySequenceMethods pyrf_cpu_map__sequence_methods = { 552 .sq_length = pyrf_cpu_map__length, 553 .sq_item = pyrf_cpu_map__item, 554 }; 555 556 static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object."); 557 558 static PyTypeObject pyrf_cpu_map__type = { 559 PyVarObject_HEAD_INIT(NULL, 0) 560 .tp_name = "perf.cpu_map", 561 .tp_basicsize = sizeof(struct pyrf_cpu_map), 562 .tp_dealloc = (destructor)pyrf_cpu_map__delete, 563 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 564 .tp_doc = pyrf_cpu_map__doc, 565 .tp_as_sequence = &pyrf_cpu_map__sequence_methods, 566 .tp_init = (initproc)pyrf_cpu_map__init, 567 }; 568 569 static int pyrf_cpu_map__setup_types(void) 570 { 571 pyrf_cpu_map__type.tp_new = PyType_GenericNew; 572 return PyType_Ready(&pyrf_cpu_map__type); 573 } 574 575 struct pyrf_thread_map { 576 PyObject_HEAD 577 578 struct thread_map *threads; 579 }; 580 581 static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, 582 PyObject *args, PyObject *kwargs) 583 { 584 static char *kwlist[] = { "pid", "tid", "uid", NULL }; 585 int pid = -1, tid = -1, uid = UINT_MAX; 586 587 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii", 588 kwlist, &pid, &tid, &uid)) 589 return -1; 590 591 pthreads->threads = thread_map__new(pid, tid, uid); 592 if (pthreads->threads == NULL) 593 return -1; 594 return 0; 595 } 596 597 static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads) 598 { 599 thread_map__put(pthreads->threads); 600 pthreads->ob_type->tp_free((PyObject*)pthreads); 601 } 602 603 static Py_ssize_t pyrf_thread_map__length(PyObject *obj) 604 { 605 struct pyrf_thread_map *pthreads = (void *)obj; 606 607 return pthreads->threads->nr; 608 } 609 610 static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i) 611 { 612 struct pyrf_thread_map *pthreads = (void *)obj; 613 614 if (i >= pthreads->threads->nr) 615 return NULL; 616 617 return Py_BuildValue("i", pthreads->threads->map[i]); 618 } 619 620 static PySequenceMethods pyrf_thread_map__sequence_methods = { 621 .sq_length = pyrf_thread_map__length, 622 .sq_item = pyrf_thread_map__item, 623 }; 624 625 static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object."); 626 627 static PyTypeObject pyrf_thread_map__type = { 628 PyVarObject_HEAD_INIT(NULL, 0) 629 .tp_name = "perf.thread_map", 630 .tp_basicsize = sizeof(struct pyrf_thread_map), 631 .tp_dealloc = (destructor)pyrf_thread_map__delete, 632 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 633 .tp_doc = pyrf_thread_map__doc, 634 .tp_as_sequence = &pyrf_thread_map__sequence_methods, 635 .tp_init = (initproc)pyrf_thread_map__init, 636 }; 637 638 static int pyrf_thread_map__setup_types(void) 639 { 640 pyrf_thread_map__type.tp_new = PyType_GenericNew; 641 return PyType_Ready(&pyrf_thread_map__type); 642 } 643 644 struct pyrf_evsel { 645 PyObject_HEAD 646 647 struct perf_evsel evsel; 648 }; 649 650 static int pyrf_evsel__init(struct pyrf_evsel *pevsel, 651 PyObject *args, PyObject *kwargs) 652 { 653 struct perf_event_attr attr = { 654 .type = PERF_TYPE_HARDWARE, 655 .config = PERF_COUNT_HW_CPU_CYCLES, 656 .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID, 657 }; 658 static char *kwlist[] = { 659 "type", 660 "config", 661 "sample_freq", 662 "sample_period", 663 "sample_type", 664 "read_format", 665 "disabled", 666 "inherit", 667 "pinned", 668 "exclusive", 669 "exclude_user", 670 "exclude_kernel", 671 "exclude_hv", 672 "exclude_idle", 673 "mmap", 674 "context_switch", 675 "comm", 676 "freq", 677 "inherit_stat", 678 "enable_on_exec", 679 "task", 680 "watermark", 681 "precise_ip", 682 "mmap_data", 683 "sample_id_all", 684 "wakeup_events", 685 "bp_type", 686 "bp_addr", 687 "bp_len", 688 NULL 689 }; 690 u64 sample_period = 0; 691 u32 disabled = 0, 692 inherit = 0, 693 pinned = 0, 694 exclusive = 0, 695 exclude_user = 0, 696 exclude_kernel = 0, 697 exclude_hv = 0, 698 exclude_idle = 0, 699 mmap = 0, 700 context_switch = 0, 701 comm = 0, 702 freq = 1, 703 inherit_stat = 0, 704 enable_on_exec = 0, 705 task = 0, 706 watermark = 0, 707 precise_ip = 0, 708 mmap_data = 0, 709 sample_id_all = 1; 710 int idx = 0; 711 712 if (!PyArg_ParseTupleAndKeywords(args, kwargs, 713 "|iKiKKiiiiiiiiiiiiiiiiiiiiiiKK", kwlist, 714 &attr.type, &attr.config, &attr.sample_freq, 715 &sample_period, &attr.sample_type, 716 &attr.read_format, &disabled, &inherit, 717 &pinned, &exclusive, &exclude_user, 718 &exclude_kernel, &exclude_hv, &exclude_idle, 719 &mmap, &context_switch, &comm, &freq, &inherit_stat, 720 &enable_on_exec, &task, &watermark, 721 &precise_ip, &mmap_data, &sample_id_all, 722 &attr.wakeup_events, &attr.bp_type, 723 &attr.bp_addr, &attr.bp_len, &idx)) 724 return -1; 725 726 /* union... */ 727 if (sample_period != 0) { 728 if (attr.sample_freq != 0) 729 return -1; /* FIXME: throw right exception */ 730 attr.sample_period = sample_period; 731 } 732 733 /* Bitfields */ 734 attr.disabled = disabled; 735 attr.inherit = inherit; 736 attr.pinned = pinned; 737 attr.exclusive = exclusive; 738 attr.exclude_user = exclude_user; 739 attr.exclude_kernel = exclude_kernel; 740 attr.exclude_hv = exclude_hv; 741 attr.exclude_idle = exclude_idle; 742 attr.mmap = mmap; 743 attr.context_switch = context_switch; 744 attr.comm = comm; 745 attr.freq = freq; 746 attr.inherit_stat = inherit_stat; 747 attr.enable_on_exec = enable_on_exec; 748 attr.task = task; 749 attr.watermark = watermark; 750 attr.precise_ip = precise_ip; 751 attr.mmap_data = mmap_data; 752 attr.sample_id_all = sample_id_all; 753 attr.size = sizeof(attr); 754 755 perf_evsel__init(&pevsel->evsel, &attr, idx); 756 return 0; 757 } 758 759 static void pyrf_evsel__delete(struct pyrf_evsel *pevsel) 760 { 761 perf_evsel__exit(&pevsel->evsel); 762 pevsel->ob_type->tp_free((PyObject*)pevsel); 763 } 764 765 static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel, 766 PyObject *args, PyObject *kwargs) 767 { 768 struct perf_evsel *evsel = &pevsel->evsel; 769 struct cpu_map *cpus = NULL; 770 struct thread_map *threads = NULL; 771 PyObject *pcpus = NULL, *pthreads = NULL; 772 int group = 0, inherit = 0; 773 static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL }; 774 775 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, 776 &pcpus, &pthreads, &group, &inherit)) 777 return NULL; 778 779 if (pthreads != NULL) 780 threads = ((struct pyrf_thread_map *)pthreads)->threads; 781 782 if (pcpus != NULL) 783 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; 784 785 evsel->attr.inherit = inherit; 786 /* 787 * This will group just the fds for this single evsel, to group 788 * multiple events, use evlist.open(). 789 */ 790 if (perf_evsel__open(evsel, cpus, threads) < 0) { 791 PyErr_SetFromErrno(PyExc_OSError); 792 return NULL; 793 } 794 795 Py_INCREF(Py_None); 796 return Py_None; 797 } 798 799 static PyMethodDef pyrf_evsel__methods[] = { 800 { 801 .ml_name = "open", 802 .ml_meth = (PyCFunction)pyrf_evsel__open, 803 .ml_flags = METH_VARARGS | METH_KEYWORDS, 804 .ml_doc = PyDoc_STR("open the event selector file descriptor table.") 805 }, 806 { .ml_name = NULL, } 807 }; 808 809 static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object."); 810 811 static PyTypeObject pyrf_evsel__type = { 812 PyVarObject_HEAD_INIT(NULL, 0) 813 .tp_name = "perf.evsel", 814 .tp_basicsize = sizeof(struct pyrf_evsel), 815 .tp_dealloc = (destructor)pyrf_evsel__delete, 816 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 817 .tp_doc = pyrf_evsel__doc, 818 .tp_methods = pyrf_evsel__methods, 819 .tp_init = (initproc)pyrf_evsel__init, 820 }; 821 822 static int pyrf_evsel__setup_types(void) 823 { 824 pyrf_evsel__type.tp_new = PyType_GenericNew; 825 return PyType_Ready(&pyrf_evsel__type); 826 } 827 828 struct pyrf_evlist { 829 PyObject_HEAD 830 831 struct perf_evlist evlist; 832 }; 833 834 static int pyrf_evlist__init(struct pyrf_evlist *pevlist, 835 PyObject *args, PyObject *kwargs __maybe_unused) 836 { 837 PyObject *pcpus = NULL, *pthreads = NULL; 838 struct cpu_map *cpus; 839 struct thread_map *threads; 840 841 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads)) 842 return -1; 843 844 threads = ((struct pyrf_thread_map *)pthreads)->threads; 845 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; 846 perf_evlist__init(&pevlist->evlist, cpus, threads); 847 return 0; 848 } 849 850 static void pyrf_evlist__delete(struct pyrf_evlist *pevlist) 851 { 852 perf_evlist__exit(&pevlist->evlist); 853 pevlist->ob_type->tp_free((PyObject*)pevlist); 854 } 855 856 static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, 857 PyObject *args, PyObject *kwargs) 858 { 859 struct perf_evlist *evlist = &pevlist->evlist; 860 static char *kwlist[] = { "pages", "overwrite", NULL }; 861 int pages = 128, overwrite = false; 862 863 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist, 864 &pages, &overwrite)) 865 return NULL; 866 867 if (perf_evlist__mmap(evlist, pages) < 0) { 868 PyErr_SetFromErrno(PyExc_OSError); 869 return NULL; 870 } 871 872 Py_INCREF(Py_None); 873 return Py_None; 874 } 875 876 static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist, 877 PyObject *args, PyObject *kwargs) 878 { 879 struct perf_evlist *evlist = &pevlist->evlist; 880 static char *kwlist[] = { "timeout", NULL }; 881 int timeout = -1, n; 882 883 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout)) 884 return NULL; 885 886 n = perf_evlist__poll(evlist, timeout); 887 if (n < 0) { 888 PyErr_SetFromErrno(PyExc_OSError); 889 return NULL; 890 } 891 892 return Py_BuildValue("i", n); 893 } 894 895 static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist, 896 PyObject *args __maybe_unused, 897 PyObject *kwargs __maybe_unused) 898 { 899 struct perf_evlist *evlist = &pevlist->evlist; 900 PyObject *list = PyList_New(0); 901 int i; 902 903 for (i = 0; i < evlist->pollfd.nr; ++i) { 904 PyObject *file; 905 FILE *fp = fdopen(evlist->pollfd.entries[i].fd, "r"); 906 907 if (fp == NULL) 908 goto free_list; 909 910 file = PyFile_FromFile(fp, "perf", "r", NULL); 911 if (file == NULL) 912 goto free_list; 913 914 if (PyList_Append(list, file) != 0) { 915 Py_DECREF(file); 916 goto free_list; 917 } 918 919 Py_DECREF(file); 920 } 921 922 return list; 923 free_list: 924 return PyErr_NoMemory(); 925 } 926 927 928 static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist, 929 PyObject *args, 930 PyObject *kwargs __maybe_unused) 931 { 932 struct perf_evlist *evlist = &pevlist->evlist; 933 PyObject *pevsel; 934 struct perf_evsel *evsel; 935 936 if (!PyArg_ParseTuple(args, "O", &pevsel)) 937 return NULL; 938 939 Py_INCREF(pevsel); 940 evsel = &((struct pyrf_evsel *)pevsel)->evsel; 941 evsel->idx = evlist->nr_entries; 942 perf_evlist__add(evlist, evsel); 943 944 return Py_BuildValue("i", evlist->nr_entries); 945 } 946 947 static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, 948 PyObject *args, PyObject *kwargs) 949 { 950 struct perf_evlist *evlist = &pevlist->evlist; 951 union perf_event *event; 952 int sample_id_all = 1, cpu; 953 static char *kwlist[] = { "cpu", "sample_id_all", NULL }; 954 int err; 955 956 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist, 957 &cpu, &sample_id_all)) 958 return NULL; 959 960 event = perf_evlist__mmap_read(evlist, cpu); 961 if (event != NULL) { 962 PyObject *pyevent = pyrf_event__new(event); 963 struct pyrf_event *pevent = (struct pyrf_event *)pyevent; 964 struct perf_evsel *evsel; 965 966 if (pyevent == NULL) 967 return PyErr_NoMemory(); 968 969 evsel = perf_evlist__event2evsel(evlist, event); 970 if (!evsel) 971 return Py_None; 972 973 pevent->evsel = evsel; 974 975 err = perf_evsel__parse_sample(evsel, event, &pevent->sample); 976 977 /* Consume the even only after we parsed it out. */ 978 perf_evlist__mmap_consume(evlist, cpu); 979 980 if (err) 981 return PyErr_Format(PyExc_OSError, 982 "perf: can't parse sample, err=%d", err); 983 return pyevent; 984 } 985 986 Py_INCREF(Py_None); 987 return Py_None; 988 } 989 990 static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist, 991 PyObject *args, PyObject *kwargs) 992 { 993 struct perf_evlist *evlist = &pevlist->evlist; 994 int group = 0; 995 static char *kwlist[] = { "group", NULL }; 996 997 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group)) 998 return NULL; 999 1000 if (group) 1001 perf_evlist__set_leader(evlist); 1002 1003 if (perf_evlist__open(evlist) < 0) { 1004 PyErr_SetFromErrno(PyExc_OSError); 1005 return NULL; 1006 } 1007 1008 Py_INCREF(Py_None); 1009 return Py_None; 1010 } 1011 1012 static PyMethodDef pyrf_evlist__methods[] = { 1013 { 1014 .ml_name = "mmap", 1015 .ml_meth = (PyCFunction)pyrf_evlist__mmap, 1016 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1017 .ml_doc = PyDoc_STR("mmap the file descriptor table.") 1018 }, 1019 { 1020 .ml_name = "open", 1021 .ml_meth = (PyCFunction)pyrf_evlist__open, 1022 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1023 .ml_doc = PyDoc_STR("open the file descriptors.") 1024 }, 1025 { 1026 .ml_name = "poll", 1027 .ml_meth = (PyCFunction)pyrf_evlist__poll, 1028 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1029 .ml_doc = PyDoc_STR("poll the file descriptor table.") 1030 }, 1031 { 1032 .ml_name = "get_pollfd", 1033 .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd, 1034 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1035 .ml_doc = PyDoc_STR("get the poll file descriptor table.") 1036 }, 1037 { 1038 .ml_name = "add", 1039 .ml_meth = (PyCFunction)pyrf_evlist__add, 1040 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1041 .ml_doc = PyDoc_STR("adds an event selector to the list.") 1042 }, 1043 { 1044 .ml_name = "read_on_cpu", 1045 .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu, 1046 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1047 .ml_doc = PyDoc_STR("reads an event.") 1048 }, 1049 { .ml_name = NULL, } 1050 }; 1051 1052 static Py_ssize_t pyrf_evlist__length(PyObject *obj) 1053 { 1054 struct pyrf_evlist *pevlist = (void *)obj; 1055 1056 return pevlist->evlist.nr_entries; 1057 } 1058 1059 static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) 1060 { 1061 struct pyrf_evlist *pevlist = (void *)obj; 1062 struct perf_evsel *pos; 1063 1064 if (i >= pevlist->evlist.nr_entries) 1065 return NULL; 1066 1067 evlist__for_each_entry(&pevlist->evlist, pos) { 1068 if (i-- == 0) 1069 break; 1070 } 1071 1072 return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel)); 1073 } 1074 1075 static PySequenceMethods pyrf_evlist__sequence_methods = { 1076 .sq_length = pyrf_evlist__length, 1077 .sq_item = pyrf_evlist__item, 1078 }; 1079 1080 static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object."); 1081 1082 static PyTypeObject pyrf_evlist__type = { 1083 PyVarObject_HEAD_INIT(NULL, 0) 1084 .tp_name = "perf.evlist", 1085 .tp_basicsize = sizeof(struct pyrf_evlist), 1086 .tp_dealloc = (destructor)pyrf_evlist__delete, 1087 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, 1088 .tp_as_sequence = &pyrf_evlist__sequence_methods, 1089 .tp_doc = pyrf_evlist__doc, 1090 .tp_methods = pyrf_evlist__methods, 1091 .tp_init = (initproc)pyrf_evlist__init, 1092 }; 1093 1094 static int pyrf_evlist__setup_types(void) 1095 { 1096 pyrf_evlist__type.tp_new = PyType_GenericNew; 1097 return PyType_Ready(&pyrf_evlist__type); 1098 } 1099 1100 #define PERF_CONST(name) { #name, PERF_##name } 1101 1102 static struct { 1103 const char *name; 1104 int value; 1105 } perf__constants[] = { 1106 PERF_CONST(TYPE_HARDWARE), 1107 PERF_CONST(TYPE_SOFTWARE), 1108 PERF_CONST(TYPE_TRACEPOINT), 1109 PERF_CONST(TYPE_HW_CACHE), 1110 PERF_CONST(TYPE_RAW), 1111 PERF_CONST(TYPE_BREAKPOINT), 1112 1113 PERF_CONST(COUNT_HW_CPU_CYCLES), 1114 PERF_CONST(COUNT_HW_INSTRUCTIONS), 1115 PERF_CONST(COUNT_HW_CACHE_REFERENCES), 1116 PERF_CONST(COUNT_HW_CACHE_MISSES), 1117 PERF_CONST(COUNT_HW_BRANCH_INSTRUCTIONS), 1118 PERF_CONST(COUNT_HW_BRANCH_MISSES), 1119 PERF_CONST(COUNT_HW_BUS_CYCLES), 1120 PERF_CONST(COUNT_HW_CACHE_L1D), 1121 PERF_CONST(COUNT_HW_CACHE_L1I), 1122 PERF_CONST(COUNT_HW_CACHE_LL), 1123 PERF_CONST(COUNT_HW_CACHE_DTLB), 1124 PERF_CONST(COUNT_HW_CACHE_ITLB), 1125 PERF_CONST(COUNT_HW_CACHE_BPU), 1126 PERF_CONST(COUNT_HW_CACHE_OP_READ), 1127 PERF_CONST(COUNT_HW_CACHE_OP_WRITE), 1128 PERF_CONST(COUNT_HW_CACHE_OP_PREFETCH), 1129 PERF_CONST(COUNT_HW_CACHE_RESULT_ACCESS), 1130 PERF_CONST(COUNT_HW_CACHE_RESULT_MISS), 1131 1132 PERF_CONST(COUNT_HW_STALLED_CYCLES_FRONTEND), 1133 PERF_CONST(COUNT_HW_STALLED_CYCLES_BACKEND), 1134 1135 PERF_CONST(COUNT_SW_CPU_CLOCK), 1136 PERF_CONST(COUNT_SW_TASK_CLOCK), 1137 PERF_CONST(COUNT_SW_PAGE_FAULTS), 1138 PERF_CONST(COUNT_SW_CONTEXT_SWITCHES), 1139 PERF_CONST(COUNT_SW_CPU_MIGRATIONS), 1140 PERF_CONST(COUNT_SW_PAGE_FAULTS_MIN), 1141 PERF_CONST(COUNT_SW_PAGE_FAULTS_MAJ), 1142 PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS), 1143 PERF_CONST(COUNT_SW_EMULATION_FAULTS), 1144 PERF_CONST(COUNT_SW_DUMMY), 1145 1146 PERF_CONST(SAMPLE_IP), 1147 PERF_CONST(SAMPLE_TID), 1148 PERF_CONST(SAMPLE_TIME), 1149 PERF_CONST(SAMPLE_ADDR), 1150 PERF_CONST(SAMPLE_READ), 1151 PERF_CONST(SAMPLE_CALLCHAIN), 1152 PERF_CONST(SAMPLE_ID), 1153 PERF_CONST(SAMPLE_CPU), 1154 PERF_CONST(SAMPLE_PERIOD), 1155 PERF_CONST(SAMPLE_STREAM_ID), 1156 PERF_CONST(SAMPLE_RAW), 1157 1158 PERF_CONST(FORMAT_TOTAL_TIME_ENABLED), 1159 PERF_CONST(FORMAT_TOTAL_TIME_RUNNING), 1160 PERF_CONST(FORMAT_ID), 1161 PERF_CONST(FORMAT_GROUP), 1162 1163 PERF_CONST(RECORD_MMAP), 1164 PERF_CONST(RECORD_LOST), 1165 PERF_CONST(RECORD_COMM), 1166 PERF_CONST(RECORD_EXIT), 1167 PERF_CONST(RECORD_THROTTLE), 1168 PERF_CONST(RECORD_UNTHROTTLE), 1169 PERF_CONST(RECORD_FORK), 1170 PERF_CONST(RECORD_READ), 1171 PERF_CONST(RECORD_SAMPLE), 1172 PERF_CONST(RECORD_MMAP2), 1173 PERF_CONST(RECORD_AUX), 1174 PERF_CONST(RECORD_ITRACE_START), 1175 PERF_CONST(RECORD_LOST_SAMPLES), 1176 PERF_CONST(RECORD_SWITCH), 1177 PERF_CONST(RECORD_SWITCH_CPU_WIDE), 1178 1179 PERF_CONST(RECORD_MISC_SWITCH_OUT), 1180 { .name = NULL, }, 1181 }; 1182 1183 static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, 1184 PyObject *args, PyObject *kwargs) 1185 { 1186 struct event_format *tp_format; 1187 static char *kwlist[] = { "sys", "name", NULL }; 1188 char *sys = NULL; 1189 char *name = NULL; 1190 1191 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss", kwlist, 1192 &sys, &name)) 1193 return NULL; 1194 1195 tp_format = trace_event__tp_format(sys, name); 1196 if (IS_ERR(tp_format)) 1197 return PyInt_FromLong(-1); 1198 1199 return PyInt_FromLong(tp_format->id); 1200 } 1201 1202 static PyMethodDef perf__methods[] = { 1203 { 1204 .ml_name = "tracepoint", 1205 .ml_meth = (PyCFunction) pyrf__tracepoint, 1206 .ml_flags = METH_VARARGS | METH_KEYWORDS, 1207 .ml_doc = PyDoc_STR("Get tracepoint config.") 1208 }, 1209 { .ml_name = NULL, } 1210 }; 1211 1212 PyMODINIT_FUNC initperf(void) 1213 { 1214 PyObject *obj; 1215 int i; 1216 PyObject *dict, *module = Py_InitModule("perf", perf__methods); 1217 1218 if (module == NULL || 1219 pyrf_event__setup_types() < 0 || 1220 pyrf_evlist__setup_types() < 0 || 1221 pyrf_evsel__setup_types() < 0 || 1222 pyrf_thread_map__setup_types() < 0 || 1223 pyrf_cpu_map__setup_types() < 0) 1224 return; 1225 1226 /* The page_size is placed in util object. */ 1227 page_size = sysconf(_SC_PAGE_SIZE); 1228 1229 Py_INCREF(&pyrf_evlist__type); 1230 PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type); 1231 1232 Py_INCREF(&pyrf_evsel__type); 1233 PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type); 1234 1235 Py_INCREF(&pyrf_mmap_event__type); 1236 PyModule_AddObject(module, "mmap_event", (PyObject *)&pyrf_mmap_event__type); 1237 1238 Py_INCREF(&pyrf_lost_event__type); 1239 PyModule_AddObject(module, "lost_event", (PyObject *)&pyrf_lost_event__type); 1240 1241 Py_INCREF(&pyrf_comm_event__type); 1242 PyModule_AddObject(module, "comm_event", (PyObject *)&pyrf_comm_event__type); 1243 1244 Py_INCREF(&pyrf_task_event__type); 1245 PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); 1246 1247 Py_INCREF(&pyrf_throttle_event__type); 1248 PyModule_AddObject(module, "throttle_event", (PyObject *)&pyrf_throttle_event__type); 1249 1250 Py_INCREF(&pyrf_task_event__type); 1251 PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); 1252 1253 Py_INCREF(&pyrf_read_event__type); 1254 PyModule_AddObject(module, "read_event", (PyObject *)&pyrf_read_event__type); 1255 1256 Py_INCREF(&pyrf_sample_event__type); 1257 PyModule_AddObject(module, "sample_event", (PyObject *)&pyrf_sample_event__type); 1258 1259 Py_INCREF(&pyrf_context_switch_event__type); 1260 PyModule_AddObject(module, "switch_event", (PyObject *)&pyrf_context_switch_event__type); 1261 1262 Py_INCREF(&pyrf_thread_map__type); 1263 PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type); 1264 1265 Py_INCREF(&pyrf_cpu_map__type); 1266 PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type); 1267 1268 dict = PyModule_GetDict(module); 1269 if (dict == NULL) 1270 goto error; 1271 1272 for (i = 0; perf__constants[i].name != NULL; i++) { 1273 obj = PyInt_FromLong(perf__constants[i].value); 1274 if (obj == NULL) 1275 goto error; 1276 PyDict_SetItemString(dict, perf__constants[i].name, obj); 1277 Py_DECREF(obj); 1278 } 1279 1280 error: 1281 if (PyErr_Occurred()) 1282 PyErr_SetString(PyExc_ImportError, "perf: Init failed!"); 1283 } 1284 1285 /* 1286 * Dummy, to avoid dragging all the test_attr infrastructure in the python 1287 * binding. 1288 */ 1289 void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, 1290 int fd, int group_fd, unsigned long flags) 1291 { 1292 } 1293