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1// SPDX-License-Identifier: GPL-2.02#include <Python.h>3#include <structmember.h>4#include <inttypes.h>5#include <poll.h>6#include <linux/err.h>7#include <perf/cpumap.h>8#ifdef HAVE_LIBTRACEEVENT9#include <traceevent/event-parse.h>10#endif11#include <perf/mmap.h>12#include "evlist.h"13#include "evsel.h"14#include "event.h"15#include "print_binary.h"16#include "thread_map.h"17#include "trace-event.h"18#include "mmap.h"19#include "util/bpf-filter.h"20#include "util/env.h"21#include "util/kvm-stat.h"22#include "util/stat.h"23#include "util/kwork.h"24#include "util/sample.h"25#include "util/lock-contention.h"26#include <internal/lib.h>27#include "../builtin.h"28 29#if PY_MAJOR_VERSION < 330#define _PyUnicode_FromString(arg) \31 PyString_FromString(arg)32#define _PyUnicode_AsString(arg) \33 PyString_AsString(arg)34#define _PyUnicode_FromFormat(...) \35 PyString_FromFormat(__VA_ARGS__)36#define _PyLong_FromLong(arg) \37 PyInt_FromLong(arg)38 39#else40 41#define _PyUnicode_FromString(arg) \42 PyUnicode_FromString(arg)43#define _PyUnicode_FromFormat(...) \44 PyUnicode_FromFormat(__VA_ARGS__)45#define _PyLong_FromLong(arg) \46 PyLong_FromLong(arg)47#endif48 49#ifndef Py_TYPE50#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)51#endif52 53/* Define PyVarObject_HEAD_INIT for python 2.5 */54#ifndef PyVarObject_HEAD_INIT55# define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,56#endif57 58#if PY_MAJOR_VERSION < 359PyMODINIT_FUNC initperf(void);60#else61PyMODINIT_FUNC PyInit_perf(void);62#endif63 64#define member_def(type, member, ptype, help) \65 { #member, ptype, \66 offsetof(struct pyrf_event, event) + offsetof(struct type, member), \67 0, help }68 69#define sample_member_def(name, member, ptype, help) \70 { #name, ptype, \71 offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \72 0, help }73 74struct pyrf_event {75 PyObject_HEAD76 struct evsel *evsel;77 struct perf_sample sample;78 union perf_event event;79};80 81#define sample_members \82 sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \83 sample_member_def(sample_pid, pid, T_INT, "event pid"), \84 sample_member_def(sample_tid, tid, T_INT, "event tid"), \85 sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \86 sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \87 sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \88 sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \89 sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \90 sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"),91 92static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object.");93 94static PyMemberDef pyrf_mmap_event__members[] = {95 sample_members96 member_def(perf_event_header, type, T_UINT, "event type"),97 member_def(perf_event_header, misc, T_UINT, "event misc"),98 member_def(perf_record_mmap, pid, T_UINT, "event pid"),99 member_def(perf_record_mmap, tid, T_UINT, "event tid"),100 member_def(perf_record_mmap, start, T_ULONGLONG, "start of the map"),101 member_def(perf_record_mmap, len, T_ULONGLONG, "map length"),102 member_def(perf_record_mmap, pgoff, T_ULONGLONG, "page offset"),103 member_def(perf_record_mmap, filename, T_STRING_INPLACE, "backing store"),104 { .name = NULL, },105};106 107static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent)108{109 PyObject *ret;110 char *s;111 112 if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRI_lx64 ", "113 "length: %#" PRI_lx64 ", offset: %#" PRI_lx64 ", "114 "filename: %s }",115 pevent->event.mmap.pid, pevent->event.mmap.tid,116 pevent->event.mmap.start, pevent->event.mmap.len,117 pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) {118 ret = PyErr_NoMemory();119 } else {120 ret = _PyUnicode_FromString(s);121 free(s);122 }123 return ret;124}125 126static PyTypeObject pyrf_mmap_event__type = {127 PyVarObject_HEAD_INIT(NULL, 0)128 .tp_name = "perf.mmap_event",129 .tp_basicsize = sizeof(struct pyrf_event),130 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,131 .tp_doc = pyrf_mmap_event__doc,132 .tp_members = pyrf_mmap_event__members,133 .tp_repr = (reprfunc)pyrf_mmap_event__repr,134};135 136static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object.");137 138static PyMemberDef pyrf_task_event__members[] = {139 sample_members140 member_def(perf_event_header, type, T_UINT, "event type"),141 member_def(perf_record_fork, pid, T_UINT, "event pid"),142 member_def(perf_record_fork, ppid, T_UINT, "event ppid"),143 member_def(perf_record_fork, tid, T_UINT, "event tid"),144 member_def(perf_record_fork, ptid, T_UINT, "event ptid"),145 member_def(perf_record_fork, time, T_ULONGLONG, "timestamp"),146 { .name = NULL, },147};148 149static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent)150{151 return _PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, "152 "ptid: %u, time: %" PRI_lu64 "}",153 pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit",154 pevent->event.fork.pid,155 pevent->event.fork.ppid,156 pevent->event.fork.tid,157 pevent->event.fork.ptid,158 pevent->event.fork.time);159}160 161static PyTypeObject pyrf_task_event__type = {162 PyVarObject_HEAD_INIT(NULL, 0)163 .tp_name = "perf.task_event",164 .tp_basicsize = sizeof(struct pyrf_event),165 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,166 .tp_doc = pyrf_task_event__doc,167 .tp_members = pyrf_task_event__members,168 .tp_repr = (reprfunc)pyrf_task_event__repr,169};170 171static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object.");172 173static PyMemberDef pyrf_comm_event__members[] = {174 sample_members175 member_def(perf_event_header, type, T_UINT, "event type"),176 member_def(perf_record_comm, pid, T_UINT, "event pid"),177 member_def(perf_record_comm, tid, T_UINT, "event tid"),178 member_def(perf_record_comm, comm, T_STRING_INPLACE, "process name"),179 { .name = NULL, },180};181 182static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent)183{184 return _PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }",185 pevent->event.comm.pid,186 pevent->event.comm.tid,187 pevent->event.comm.comm);188}189 190static PyTypeObject pyrf_comm_event__type = {191 PyVarObject_HEAD_INIT(NULL, 0)192 .tp_name = "perf.comm_event",193 .tp_basicsize = sizeof(struct pyrf_event),194 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,195 .tp_doc = pyrf_comm_event__doc,196 .tp_members = pyrf_comm_event__members,197 .tp_repr = (reprfunc)pyrf_comm_event__repr,198};199 200static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object.");201 202static PyMemberDef pyrf_throttle_event__members[] = {203 sample_members204 member_def(perf_event_header, type, T_UINT, "event type"),205 member_def(perf_record_throttle, time, T_ULONGLONG, "timestamp"),206 member_def(perf_record_throttle, id, T_ULONGLONG, "event id"),207 member_def(perf_record_throttle, stream_id, T_ULONGLONG, "event stream id"),208 { .name = NULL, },209};210 211static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent)212{213 struct perf_record_throttle *te = (struct perf_record_throttle *)(&pevent->event.header + 1);214 215 return _PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRI_lu64 ", id: %" PRI_lu64216 ", stream_id: %" PRI_lu64 " }",217 pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un",218 te->time, te->id, te->stream_id);219}220 221static PyTypeObject pyrf_throttle_event__type = {222 PyVarObject_HEAD_INIT(NULL, 0)223 .tp_name = "perf.throttle_event",224 .tp_basicsize = sizeof(struct pyrf_event),225 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,226 .tp_doc = pyrf_throttle_event__doc,227 .tp_members = pyrf_throttle_event__members,228 .tp_repr = (reprfunc)pyrf_throttle_event__repr,229};230 231static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object.");232 233static PyMemberDef pyrf_lost_event__members[] = {234 sample_members235 member_def(perf_record_lost, id, T_ULONGLONG, "event id"),236 member_def(perf_record_lost, lost, T_ULONGLONG, "number of lost events"),237 { .name = NULL, },238};239 240static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent)241{242 PyObject *ret;243 char *s;244 245 if (asprintf(&s, "{ type: lost, id: %#" PRI_lx64 ", "246 "lost: %#" PRI_lx64 " }",247 pevent->event.lost.id, pevent->event.lost.lost) < 0) {248 ret = PyErr_NoMemory();249 } else {250 ret = _PyUnicode_FromString(s);251 free(s);252 }253 return ret;254}255 256static PyTypeObject pyrf_lost_event__type = {257 PyVarObject_HEAD_INIT(NULL, 0)258 .tp_name = "perf.lost_event",259 .tp_basicsize = sizeof(struct pyrf_event),260 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,261 .tp_doc = pyrf_lost_event__doc,262 .tp_members = pyrf_lost_event__members,263 .tp_repr = (reprfunc)pyrf_lost_event__repr,264};265 266static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object.");267 268static PyMemberDef pyrf_read_event__members[] = {269 sample_members270 member_def(perf_record_read, pid, T_UINT, "event pid"),271 member_def(perf_record_read, tid, T_UINT, "event tid"),272 { .name = NULL, },273};274 275static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent)276{277 return _PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }",278 pevent->event.read.pid,279 pevent->event.read.tid);280 /*281 * FIXME: return the array of read values,282 * making this method useful ;-)283 */284}285 286static PyTypeObject pyrf_read_event__type = {287 PyVarObject_HEAD_INIT(NULL, 0)288 .tp_name = "perf.read_event",289 .tp_basicsize = sizeof(struct pyrf_event),290 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,291 .tp_doc = pyrf_read_event__doc,292 .tp_members = pyrf_read_event__members,293 .tp_repr = (reprfunc)pyrf_read_event__repr,294};295 296static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object.");297 298static PyMemberDef pyrf_sample_event__members[] = {299 sample_members300 member_def(perf_event_header, type, T_UINT, "event type"),301 { .name = NULL, },302};303 304static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent)305{306 PyObject *ret;307 char *s;308 309 if (asprintf(&s, "{ type: sample }") < 0) {310 ret = PyErr_NoMemory();311 } else {312 ret = _PyUnicode_FromString(s);313 free(s);314 }315 return ret;316}317 318#ifdef HAVE_LIBTRACEEVENT319static bool is_tracepoint(struct pyrf_event *pevent)320{321 return pevent->evsel->core.attr.type == PERF_TYPE_TRACEPOINT;322}323 324static PyObject*325tracepoint_field(struct pyrf_event *pe, struct tep_format_field *field)326{327 struct tep_handle *pevent = field->event->tep;328 void *data = pe->sample.raw_data;329 PyObject *ret = NULL;330 unsigned long long val;331 unsigned int offset, len;332 333 if (field->flags & TEP_FIELD_IS_ARRAY) {334 offset = field->offset;335 len = field->size;336 if (field->flags & TEP_FIELD_IS_DYNAMIC) {337 val = tep_read_number(pevent, data + offset, len);338 offset = val;339 len = offset >> 16;340 offset &= 0xffff;341 if (tep_field_is_relative(field->flags))342 offset += field->offset + field->size;343 }344 if (field->flags & TEP_FIELD_IS_STRING &&345 is_printable_array(data + offset, len)) {346 ret = _PyUnicode_FromString((char *)data + offset);347 } else {348 ret = PyByteArray_FromStringAndSize((const char *) data + offset, len);349 field->flags &= ~TEP_FIELD_IS_STRING;350 }351 } else {352 val = tep_read_number(pevent, data + field->offset,353 field->size);354 if (field->flags & TEP_FIELD_IS_POINTER)355 ret = PyLong_FromUnsignedLong((unsigned long) val);356 else if (field->flags & TEP_FIELD_IS_SIGNED)357 ret = PyLong_FromLong((long) val);358 else359 ret = PyLong_FromUnsignedLong((unsigned long) val);360 }361 362 return ret;363}364 365static PyObject*366get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name)367{368 const char *str = _PyUnicode_AsString(PyObject_Str(attr_name));369 struct evsel *evsel = pevent->evsel;370 struct tep_format_field *field;371 372 if (!evsel->tp_format) {373 struct tep_event *tp_format;374 375 tp_format = trace_event__tp_format_id(evsel->core.attr.config);376 if (IS_ERR_OR_NULL(tp_format))377 return NULL;378 379 evsel->tp_format = tp_format;380 }381 382 field = tep_find_any_field(evsel->tp_format, str);383 if (!field)384 return NULL;385 386 return tracepoint_field(pevent, field);387}388#endif /* HAVE_LIBTRACEEVENT */389 390static PyObject*391pyrf_sample_event__getattro(struct pyrf_event *pevent, PyObject *attr_name)392{393 PyObject *obj = NULL;394 395#ifdef HAVE_LIBTRACEEVENT396 if (is_tracepoint(pevent))397 obj = get_tracepoint_field(pevent, attr_name);398#endif399 400 return obj ?: PyObject_GenericGetAttr((PyObject *) pevent, attr_name);401}402 403static PyTypeObject pyrf_sample_event__type = {404 PyVarObject_HEAD_INIT(NULL, 0)405 .tp_name = "perf.sample_event",406 .tp_basicsize = sizeof(struct pyrf_event),407 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,408 .tp_doc = pyrf_sample_event__doc,409 .tp_members = pyrf_sample_event__members,410 .tp_repr = (reprfunc)pyrf_sample_event__repr,411 .tp_getattro = (getattrofunc) pyrf_sample_event__getattro,412};413 414static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object.");415 416static PyMemberDef pyrf_context_switch_event__members[] = {417 sample_members418 member_def(perf_event_header, type, T_UINT, "event type"),419 member_def(perf_record_switch, next_prev_pid, T_UINT, "next/prev pid"),420 member_def(perf_record_switch, next_prev_tid, T_UINT, "next/prev tid"),421 { .name = NULL, },422};423 424static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent)425{426 PyObject *ret;427 char *s;428 429 if (asprintf(&s, "{ type: context_switch, next_prev_pid: %u, next_prev_tid: %u, switch_out: %u }",430 pevent->event.context_switch.next_prev_pid,431 pevent->event.context_switch.next_prev_tid,432 !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) {433 ret = PyErr_NoMemory();434 } else {435 ret = _PyUnicode_FromString(s);436 free(s);437 }438 return ret;439}440 441static PyTypeObject pyrf_context_switch_event__type = {442 PyVarObject_HEAD_INIT(NULL, 0)443 .tp_name = "perf.context_switch_event",444 .tp_basicsize = sizeof(struct pyrf_event),445 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,446 .tp_doc = pyrf_context_switch_event__doc,447 .tp_members = pyrf_context_switch_event__members,448 .tp_repr = (reprfunc)pyrf_context_switch_event__repr,449};450 451static int pyrf_event__setup_types(void)452{453 int err;454 pyrf_mmap_event__type.tp_new =455 pyrf_task_event__type.tp_new =456 pyrf_comm_event__type.tp_new =457 pyrf_lost_event__type.tp_new =458 pyrf_read_event__type.tp_new =459 pyrf_sample_event__type.tp_new =460 pyrf_context_switch_event__type.tp_new =461 pyrf_throttle_event__type.tp_new = PyType_GenericNew;462 err = PyType_Ready(&pyrf_mmap_event__type);463 if (err < 0)464 goto out;465 err = PyType_Ready(&pyrf_lost_event__type);466 if (err < 0)467 goto out;468 err = PyType_Ready(&pyrf_task_event__type);469 if (err < 0)470 goto out;471 err = PyType_Ready(&pyrf_comm_event__type);472 if (err < 0)473 goto out;474 err = PyType_Ready(&pyrf_throttle_event__type);475 if (err < 0)476 goto out;477 err = PyType_Ready(&pyrf_read_event__type);478 if (err < 0)479 goto out;480 err = PyType_Ready(&pyrf_sample_event__type);481 if (err < 0)482 goto out;483 err = PyType_Ready(&pyrf_context_switch_event__type);484 if (err < 0)485 goto out;486out:487 return err;488}489 490static PyTypeObject *pyrf_event__type[] = {491 [PERF_RECORD_MMAP] = &pyrf_mmap_event__type,492 [PERF_RECORD_LOST] = &pyrf_lost_event__type,493 [PERF_RECORD_COMM] = &pyrf_comm_event__type,494 [PERF_RECORD_EXIT] = &pyrf_task_event__type,495 [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type,496 [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type,497 [PERF_RECORD_FORK] = &pyrf_task_event__type,498 [PERF_RECORD_READ] = &pyrf_read_event__type,499 [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type,500 [PERF_RECORD_SWITCH] = &pyrf_context_switch_event__type,501 [PERF_RECORD_SWITCH_CPU_WIDE] = &pyrf_context_switch_event__type,502};503 504static PyObject *pyrf_event__new(union perf_event *event)505{506 struct pyrf_event *pevent;507 PyTypeObject *ptype;508 509 if ((event->header.type < PERF_RECORD_MMAP ||510 event->header.type > PERF_RECORD_SAMPLE) &&511 !(event->header.type == PERF_RECORD_SWITCH ||512 event->header.type == PERF_RECORD_SWITCH_CPU_WIDE))513 return NULL;514 515 ptype = pyrf_event__type[event->header.type];516 pevent = PyObject_New(struct pyrf_event, ptype);517 if (pevent != NULL)518 memcpy(&pevent->event, event, event->header.size);519 return (PyObject *)pevent;520}521 522struct pyrf_cpu_map {523 PyObject_HEAD524 525 struct perf_cpu_map *cpus;526};527 528static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus,529 PyObject *args, PyObject *kwargs)530{531 static char *kwlist[] = { "cpustr", NULL };532 char *cpustr = NULL;533 534 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s",535 kwlist, &cpustr))536 return -1;537 538 pcpus->cpus = perf_cpu_map__new(cpustr);539 if (pcpus->cpus == NULL)540 return -1;541 return 0;542}543 544static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus)545{546 perf_cpu_map__put(pcpus->cpus);547 Py_TYPE(pcpus)->tp_free((PyObject*)pcpus);548}549 550static Py_ssize_t pyrf_cpu_map__length(PyObject *obj)551{552 struct pyrf_cpu_map *pcpus = (void *)obj;553 554 return perf_cpu_map__nr(pcpus->cpus);555}556 557static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i)558{559 struct pyrf_cpu_map *pcpus = (void *)obj;560 561 if (i >= perf_cpu_map__nr(pcpus->cpus))562 return NULL;563 564 return Py_BuildValue("i", perf_cpu_map__cpu(pcpus->cpus, i).cpu);565}566 567static PySequenceMethods pyrf_cpu_map__sequence_methods = {568 .sq_length = pyrf_cpu_map__length,569 .sq_item = pyrf_cpu_map__item,570};571 572static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object.");573 574static PyTypeObject pyrf_cpu_map__type = {575 PyVarObject_HEAD_INIT(NULL, 0)576 .tp_name = "perf.cpu_map",577 .tp_basicsize = sizeof(struct pyrf_cpu_map),578 .tp_dealloc = (destructor)pyrf_cpu_map__delete,579 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,580 .tp_doc = pyrf_cpu_map__doc,581 .tp_as_sequence = &pyrf_cpu_map__sequence_methods,582 .tp_init = (initproc)pyrf_cpu_map__init,583};584 585static int pyrf_cpu_map__setup_types(void)586{587 pyrf_cpu_map__type.tp_new = PyType_GenericNew;588 return PyType_Ready(&pyrf_cpu_map__type);589}590 591struct pyrf_thread_map {592 PyObject_HEAD593 594 struct perf_thread_map *threads;595};596 597static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads,598 PyObject *args, PyObject *kwargs)599{600 static char *kwlist[] = { "pid", "tid", "uid", NULL };601 int pid = -1, tid = -1, uid = UINT_MAX;602 603 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii",604 kwlist, &pid, &tid, &uid))605 return -1;606 607 pthreads->threads = thread_map__new(pid, tid, uid);608 if (pthreads->threads == NULL)609 return -1;610 return 0;611}612 613static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads)614{615 perf_thread_map__put(pthreads->threads);616 Py_TYPE(pthreads)->tp_free((PyObject*)pthreads);617}618 619static Py_ssize_t pyrf_thread_map__length(PyObject *obj)620{621 struct pyrf_thread_map *pthreads = (void *)obj;622 623 return perf_thread_map__nr(pthreads->threads);624}625 626static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i)627{628 struct pyrf_thread_map *pthreads = (void *)obj;629 630 if (i >= perf_thread_map__nr(pthreads->threads))631 return NULL;632 633 return Py_BuildValue("i", perf_thread_map__pid(pthreads->threads, i));634}635 636static PySequenceMethods pyrf_thread_map__sequence_methods = {637 .sq_length = pyrf_thread_map__length,638 .sq_item = pyrf_thread_map__item,639};640 641static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object.");642 643static PyTypeObject pyrf_thread_map__type = {644 PyVarObject_HEAD_INIT(NULL, 0)645 .tp_name = "perf.thread_map",646 .tp_basicsize = sizeof(struct pyrf_thread_map),647 .tp_dealloc = (destructor)pyrf_thread_map__delete,648 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,649 .tp_doc = pyrf_thread_map__doc,650 .tp_as_sequence = &pyrf_thread_map__sequence_methods,651 .tp_init = (initproc)pyrf_thread_map__init,652};653 654static int pyrf_thread_map__setup_types(void)655{656 pyrf_thread_map__type.tp_new = PyType_GenericNew;657 return PyType_Ready(&pyrf_thread_map__type);658}659 660struct pyrf_evsel {661 PyObject_HEAD662 663 struct evsel evsel;664};665 666static int pyrf_evsel__init(struct pyrf_evsel *pevsel,667 PyObject *args, PyObject *kwargs)668{669 struct perf_event_attr attr = {670 .type = PERF_TYPE_HARDWARE,671 .config = PERF_COUNT_HW_CPU_CYCLES,672 .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID,673 };674 static char *kwlist[] = {675 "type",676 "config",677 "sample_freq",678 "sample_period",679 "sample_type",680 "read_format",681 "disabled",682 "inherit",683 "pinned",684 "exclusive",685 "exclude_user",686 "exclude_kernel",687 "exclude_hv",688 "exclude_idle",689 "mmap",690 "context_switch",691 "comm",692 "freq",693 "inherit_stat",694 "enable_on_exec",695 "task",696 "watermark",697 "precise_ip",698 "mmap_data",699 "sample_id_all",700 "wakeup_events",701 "bp_type",702 "bp_addr",703 "bp_len",704 NULL705 };706 u64 sample_period = 0;707 u32 disabled = 0,708 inherit = 0,709 pinned = 0,710 exclusive = 0,711 exclude_user = 0,712 exclude_kernel = 0,713 exclude_hv = 0,714 exclude_idle = 0,715 mmap = 0,716 context_switch = 0,717 comm = 0,718 freq = 1,719 inherit_stat = 0,720 enable_on_exec = 0,721 task = 0,722 watermark = 0,723 precise_ip = 0,724 mmap_data = 0,725 sample_id_all = 1;726 int idx = 0;727 728 if (!PyArg_ParseTupleAndKeywords(args, kwargs,729 "|iKiKKiiiiiiiiiiiiiiiiiiiiiiKK", kwlist,730 &attr.type, &attr.config, &attr.sample_freq,731 &sample_period, &attr.sample_type,732 &attr.read_format, &disabled, &inherit,733 &pinned, &exclusive, &exclude_user,734 &exclude_kernel, &exclude_hv, &exclude_idle,735 &mmap, &context_switch, &comm, &freq, &inherit_stat,736 &enable_on_exec, &task, &watermark,737 &precise_ip, &mmap_data, &sample_id_all,738 &attr.wakeup_events, &attr.bp_type,739 &attr.bp_addr, &attr.bp_len, &idx))740 return -1;741 742 /* union... */743 if (sample_period != 0) {744 if (attr.sample_freq != 0)745 return -1; /* FIXME: throw right exception */746 attr.sample_period = sample_period;747 }748 749 /* Bitfields */750 attr.disabled = disabled;751 attr.inherit = inherit;752 attr.pinned = pinned;753 attr.exclusive = exclusive;754 attr.exclude_user = exclude_user;755 attr.exclude_kernel = exclude_kernel;756 attr.exclude_hv = exclude_hv;757 attr.exclude_idle = exclude_idle;758 attr.mmap = mmap;759 attr.context_switch = context_switch;760 attr.comm = comm;761 attr.freq = freq;762 attr.inherit_stat = inherit_stat;763 attr.enable_on_exec = enable_on_exec;764 attr.task = task;765 attr.watermark = watermark;766 attr.precise_ip = precise_ip;767 attr.mmap_data = mmap_data;768 attr.sample_id_all = sample_id_all;769 attr.size = sizeof(attr);770 771 evsel__init(&pevsel->evsel, &attr, idx);772 return 0;773}774 775static void pyrf_evsel__delete(struct pyrf_evsel *pevsel)776{777 evsel__exit(&pevsel->evsel);778 Py_TYPE(pevsel)->tp_free((PyObject*)pevsel);779}780 781static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,782 PyObject *args, PyObject *kwargs)783{784 struct evsel *evsel = &pevsel->evsel;785 struct perf_cpu_map *cpus = NULL;786 struct perf_thread_map *threads = NULL;787 PyObject *pcpus = NULL, *pthreads = NULL;788 int group = 0, inherit = 0;789 static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL };790 791 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist,792 &pcpus, &pthreads, &group, &inherit))793 return NULL;794 795 if (pthreads != NULL)796 threads = ((struct pyrf_thread_map *)pthreads)->threads;797 798 if (pcpus != NULL)799 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;800 801 evsel->core.attr.inherit = inherit;802 /*803 * This will group just the fds for this single evsel, to group804 * multiple events, use evlist.open().805 */806 if (evsel__open(evsel, cpus, threads) < 0) {807 PyErr_SetFromErrno(PyExc_OSError);808 return NULL;809 }810 811 Py_INCREF(Py_None);812 return Py_None;813}814 815static PyMethodDef pyrf_evsel__methods[] = {816 {817 .ml_name = "open",818 .ml_meth = (PyCFunction)pyrf_evsel__open,819 .ml_flags = METH_VARARGS | METH_KEYWORDS,820 .ml_doc = PyDoc_STR("open the event selector file descriptor table.")821 },822 { .ml_name = NULL, }823};824 825static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object.");826 827static PyTypeObject pyrf_evsel__type = {828 PyVarObject_HEAD_INIT(NULL, 0)829 .tp_name = "perf.evsel",830 .tp_basicsize = sizeof(struct pyrf_evsel),831 .tp_dealloc = (destructor)pyrf_evsel__delete,832 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,833 .tp_doc = pyrf_evsel__doc,834 .tp_methods = pyrf_evsel__methods,835 .tp_init = (initproc)pyrf_evsel__init,836};837 838static int pyrf_evsel__setup_types(void)839{840 pyrf_evsel__type.tp_new = PyType_GenericNew;841 return PyType_Ready(&pyrf_evsel__type);842}843 844struct pyrf_evlist {845 PyObject_HEAD846 847 struct evlist evlist;848};849 850static int pyrf_evlist__init(struct pyrf_evlist *pevlist,851 PyObject *args, PyObject *kwargs __maybe_unused)852{853 PyObject *pcpus = NULL, *pthreads = NULL;854 struct perf_cpu_map *cpus;855 struct perf_thread_map *threads;856 857 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads))858 return -1;859 860 threads = ((struct pyrf_thread_map *)pthreads)->threads;861 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;862 evlist__init(&pevlist->evlist, cpus, threads);863 return 0;864}865 866static void pyrf_evlist__delete(struct pyrf_evlist *pevlist)867{868 evlist__exit(&pevlist->evlist);869 Py_TYPE(pevlist)->tp_free((PyObject*)pevlist);870}871 872static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist,873 PyObject *args, PyObject *kwargs)874{875 struct evlist *evlist = &pevlist->evlist;876 static char *kwlist[] = { "pages", "overwrite", NULL };877 int pages = 128, overwrite = false;878 879 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist,880 &pages, &overwrite))881 return NULL;882 883 if (evlist__mmap(evlist, pages) < 0) {884 PyErr_SetFromErrno(PyExc_OSError);885 return NULL;886 }887 888 Py_INCREF(Py_None);889 return Py_None;890}891 892static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,893 PyObject *args, PyObject *kwargs)894{895 struct evlist *evlist = &pevlist->evlist;896 static char *kwlist[] = { "timeout", NULL };897 int timeout = -1, n;898 899 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout))900 return NULL;901 902 n = evlist__poll(evlist, timeout);903 if (n < 0) {904 PyErr_SetFromErrno(PyExc_OSError);905 return NULL;906 }907 908 return Py_BuildValue("i", n);909}910 911static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,912 PyObject *args __maybe_unused,913 PyObject *kwargs __maybe_unused)914{915 struct evlist *evlist = &pevlist->evlist;916 PyObject *list = PyList_New(0);917 int i;918 919 for (i = 0; i < evlist->core.pollfd.nr; ++i) {920 PyObject *file;921#if PY_MAJOR_VERSION < 3922 FILE *fp = fdopen(evlist->core.pollfd.entries[i].fd, "r");923 924 if (fp == NULL)925 goto free_list;926 927 file = PyFile_FromFile(fp, "perf", "r", NULL);928#else929 file = PyFile_FromFd(evlist->core.pollfd.entries[i].fd, "perf", "r", -1,930 NULL, NULL, NULL, 0);931#endif932 if (file == NULL)933 goto free_list;934 935 if (PyList_Append(list, file) != 0) {936 Py_DECREF(file);937 goto free_list;938 }939 940 Py_DECREF(file);941 }942 943 return list;944free_list:945 return PyErr_NoMemory();946}947 948 949static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,950 PyObject *args,951 PyObject *kwargs __maybe_unused)952{953 struct evlist *evlist = &pevlist->evlist;954 PyObject *pevsel;955 struct evsel *evsel;956 957 if (!PyArg_ParseTuple(args, "O", &pevsel))958 return NULL;959 960 Py_INCREF(pevsel);961 evsel = &((struct pyrf_evsel *)pevsel)->evsel;962 evsel->core.idx = evlist->core.nr_entries;963 evlist__add(evlist, evsel);964 965 return Py_BuildValue("i", evlist->core.nr_entries);966}967 968static struct mmap *get_md(struct evlist *evlist, int cpu)969{970 int i;971 972 for (i = 0; i < evlist->core.nr_mmaps; i++) {973 struct mmap *md = &evlist->mmap[i];974 975 if (md->core.cpu.cpu == cpu)976 return md;977 }978 979 return NULL;980}981 982static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,983 PyObject *args, PyObject *kwargs)984{985 struct evlist *evlist = &pevlist->evlist;986 union perf_event *event;987 int sample_id_all = 1, cpu;988 static char *kwlist[] = { "cpu", "sample_id_all", NULL };989 struct mmap *md;990 int err;991 992 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,993 &cpu, &sample_id_all))994 return NULL;995 996 md = get_md(evlist, cpu);997 if (!md)998 return NULL;999 1000 if (perf_mmap__read_init(&md->core) < 0)1001 goto end;1002 1003 event = perf_mmap__read_event(&md->core);1004 if (event != NULL) {1005 PyObject *pyevent = pyrf_event__new(event);1006 struct pyrf_event *pevent = (struct pyrf_event *)pyevent;1007 struct evsel *evsel;1008 1009 if (pyevent == NULL)1010 return PyErr_NoMemory();1011 1012 evsel = evlist__event2evsel(evlist, event);1013 if (!evsel) {1014 Py_INCREF(Py_None);1015 return Py_None;1016 }1017 1018 pevent->evsel = evsel;1019 1020 err = evsel__parse_sample(evsel, event, &pevent->sample);1021 1022 /* Consume the even only after we parsed it out. */1023 perf_mmap__consume(&md->core);1024 1025 if (err)1026 return PyErr_Format(PyExc_OSError,1027 "perf: can't parse sample, err=%d", err);1028 return pyevent;1029 }1030end:1031 Py_INCREF(Py_None);1032 return Py_None;1033}1034 1035static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist,1036 PyObject *args, PyObject *kwargs)1037{1038 struct evlist *evlist = &pevlist->evlist;1039 1040 if (evlist__open(evlist) < 0) {1041 PyErr_SetFromErrno(PyExc_OSError);1042 return NULL;1043 }1044 1045 Py_INCREF(Py_None);1046 return Py_None;1047}1048 1049static PyMethodDef pyrf_evlist__methods[] = {1050 {1051 .ml_name = "mmap",1052 .ml_meth = (PyCFunction)pyrf_evlist__mmap,1053 .ml_flags = METH_VARARGS | METH_KEYWORDS,1054 .ml_doc = PyDoc_STR("mmap the file descriptor table.")1055 },1056 {1057 .ml_name = "open",1058 .ml_meth = (PyCFunction)pyrf_evlist__open,1059 .ml_flags = METH_VARARGS | METH_KEYWORDS,1060 .ml_doc = PyDoc_STR("open the file descriptors.")1061 },1062 {1063 .ml_name = "poll",1064 .ml_meth = (PyCFunction)pyrf_evlist__poll,1065 .ml_flags = METH_VARARGS | METH_KEYWORDS,1066 .ml_doc = PyDoc_STR("poll the file descriptor table.")1067 },1068 {1069 .ml_name = "get_pollfd",1070 .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd,1071 .ml_flags = METH_VARARGS | METH_KEYWORDS,1072 .ml_doc = PyDoc_STR("get the poll file descriptor table.")1073 },1074 {1075 .ml_name = "add",1076 .ml_meth = (PyCFunction)pyrf_evlist__add,1077 .ml_flags = METH_VARARGS | METH_KEYWORDS,1078 .ml_doc = PyDoc_STR("adds an event selector to the list.")1079 },1080 {1081 .ml_name = "read_on_cpu",1082 .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu,1083 .ml_flags = METH_VARARGS | METH_KEYWORDS,1084 .ml_doc = PyDoc_STR("reads an event.")1085 },1086 { .ml_name = NULL, }1087};1088 1089static Py_ssize_t pyrf_evlist__length(PyObject *obj)1090{1091 struct pyrf_evlist *pevlist = (void *)obj;1092 1093 return pevlist->evlist.core.nr_entries;1094}1095 1096static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i)1097{1098 struct pyrf_evlist *pevlist = (void *)obj;1099 struct evsel *pos;1100 1101 if (i >= pevlist->evlist.core.nr_entries)1102 return NULL;1103 1104 evlist__for_each_entry(&pevlist->evlist, pos) {1105 if (i-- == 0)1106 break;1107 }1108 1109 return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel));1110}1111 1112static PySequenceMethods pyrf_evlist__sequence_methods = {1113 .sq_length = pyrf_evlist__length,1114 .sq_item = pyrf_evlist__item,1115};1116 1117static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object.");1118 1119static PyTypeObject pyrf_evlist__type = {1120 PyVarObject_HEAD_INIT(NULL, 0)1121 .tp_name = "perf.evlist",1122 .tp_basicsize = sizeof(struct pyrf_evlist),1123 .tp_dealloc = (destructor)pyrf_evlist__delete,1124 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,1125 .tp_as_sequence = &pyrf_evlist__sequence_methods,1126 .tp_doc = pyrf_evlist__doc,1127 .tp_methods = pyrf_evlist__methods,1128 .tp_init = (initproc)pyrf_evlist__init,1129};1130 1131static int pyrf_evlist__setup_types(void)1132{1133 pyrf_evlist__type.tp_new = PyType_GenericNew;1134 return PyType_Ready(&pyrf_evlist__type);1135}1136 1137#define PERF_CONST(name) { #name, PERF_##name }1138 1139static struct {1140 const char *name;1141 int value;1142} perf__constants[] = {1143 PERF_CONST(TYPE_HARDWARE),1144 PERF_CONST(TYPE_SOFTWARE),1145 PERF_CONST(TYPE_TRACEPOINT),1146 PERF_CONST(TYPE_HW_CACHE),1147 PERF_CONST(TYPE_RAW),1148 PERF_CONST(TYPE_BREAKPOINT),1149 1150 PERF_CONST(COUNT_HW_CPU_CYCLES),1151 PERF_CONST(COUNT_HW_INSTRUCTIONS),1152 PERF_CONST(COUNT_HW_CACHE_REFERENCES),1153 PERF_CONST(COUNT_HW_CACHE_MISSES),1154 PERF_CONST(COUNT_HW_BRANCH_INSTRUCTIONS),1155 PERF_CONST(COUNT_HW_BRANCH_MISSES),1156 PERF_CONST(COUNT_HW_BUS_CYCLES),1157 PERF_CONST(COUNT_HW_CACHE_L1D),1158 PERF_CONST(COUNT_HW_CACHE_L1I),1159 PERF_CONST(COUNT_HW_CACHE_LL),1160 PERF_CONST(COUNT_HW_CACHE_DTLB),1161 PERF_CONST(COUNT_HW_CACHE_ITLB),1162 PERF_CONST(COUNT_HW_CACHE_BPU),1163 PERF_CONST(COUNT_HW_CACHE_OP_READ),1164 PERF_CONST(COUNT_HW_CACHE_OP_WRITE),1165 PERF_CONST(COUNT_HW_CACHE_OP_PREFETCH),1166 PERF_CONST(COUNT_HW_CACHE_RESULT_ACCESS),1167 PERF_CONST(COUNT_HW_CACHE_RESULT_MISS),1168 1169 PERF_CONST(COUNT_HW_STALLED_CYCLES_FRONTEND),1170 PERF_CONST(COUNT_HW_STALLED_CYCLES_BACKEND),1171 1172 PERF_CONST(COUNT_SW_CPU_CLOCK),1173 PERF_CONST(COUNT_SW_TASK_CLOCK),1174 PERF_CONST(COUNT_SW_PAGE_FAULTS),1175 PERF_CONST(COUNT_SW_CONTEXT_SWITCHES),1176 PERF_CONST(COUNT_SW_CPU_MIGRATIONS),1177 PERF_CONST(COUNT_SW_PAGE_FAULTS_MIN),1178 PERF_CONST(COUNT_SW_PAGE_FAULTS_MAJ),1179 PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS),1180 PERF_CONST(COUNT_SW_EMULATION_FAULTS),1181 PERF_CONST(COUNT_SW_DUMMY),1182 1183 PERF_CONST(SAMPLE_IP),1184 PERF_CONST(SAMPLE_TID),1185 PERF_CONST(SAMPLE_TIME),1186 PERF_CONST(SAMPLE_ADDR),1187 PERF_CONST(SAMPLE_READ),1188 PERF_CONST(SAMPLE_CALLCHAIN),1189 PERF_CONST(SAMPLE_ID),1190 PERF_CONST(SAMPLE_CPU),1191 PERF_CONST(SAMPLE_PERIOD),1192 PERF_CONST(SAMPLE_STREAM_ID),1193 PERF_CONST(SAMPLE_RAW),1194 1195 PERF_CONST(FORMAT_TOTAL_TIME_ENABLED),1196 PERF_CONST(FORMAT_TOTAL_TIME_RUNNING),1197 PERF_CONST(FORMAT_ID),1198 PERF_CONST(FORMAT_GROUP),1199 1200 PERF_CONST(RECORD_MMAP),1201 PERF_CONST(RECORD_LOST),1202 PERF_CONST(RECORD_COMM),1203 PERF_CONST(RECORD_EXIT),1204 PERF_CONST(RECORD_THROTTLE),1205 PERF_CONST(RECORD_UNTHROTTLE),1206 PERF_CONST(RECORD_FORK),1207 PERF_CONST(RECORD_READ),1208 PERF_CONST(RECORD_SAMPLE),1209 PERF_CONST(RECORD_MMAP2),1210 PERF_CONST(RECORD_AUX),1211 PERF_CONST(RECORD_ITRACE_START),1212 PERF_CONST(RECORD_LOST_SAMPLES),1213 PERF_CONST(RECORD_SWITCH),1214 PERF_CONST(RECORD_SWITCH_CPU_WIDE),1215 1216 PERF_CONST(RECORD_MISC_SWITCH_OUT),1217 { .name = NULL, },1218};1219 1220static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel,1221 PyObject *args, PyObject *kwargs)1222{1223#ifndef HAVE_LIBTRACEEVENT1224 return NULL;1225#else1226 struct tep_event *tp_format;1227 static char *kwlist[] = { "sys", "name", NULL };1228 char *sys = NULL;1229 char *name = NULL;1230 1231 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss", kwlist,1232 &sys, &name))1233 return NULL;1234 1235 tp_format = trace_event__tp_format(sys, name);1236 if (IS_ERR(tp_format))1237 return _PyLong_FromLong(-1);1238 1239 return _PyLong_FromLong(tp_format->id);1240#endif // HAVE_LIBTRACEEVENT1241}1242 1243static PyMethodDef perf__methods[] = {1244 {1245 .ml_name = "tracepoint",1246 .ml_meth = (PyCFunction) pyrf__tracepoint,1247 .ml_flags = METH_VARARGS | METH_KEYWORDS,1248 .ml_doc = PyDoc_STR("Get tracepoint config.")1249 },1250 { .ml_name = NULL, }1251};1252 1253#if PY_MAJOR_VERSION < 31254PyMODINIT_FUNC initperf(void)1255#else1256PyMODINIT_FUNC PyInit_perf(void)1257#endif1258{1259 PyObject *obj;1260 int i;1261 PyObject *dict;1262#if PY_MAJOR_VERSION < 31263 PyObject *module = Py_InitModule("perf", perf__methods);1264#else1265 static struct PyModuleDef moduledef = {1266 PyModuleDef_HEAD_INIT,1267 "perf", /* m_name */1268 "", /* m_doc */1269 -1, /* m_size */1270 perf__methods, /* m_methods */1271 NULL, /* m_reload */1272 NULL, /* m_traverse */1273 NULL, /* m_clear */1274 NULL, /* m_free */1275 };1276 PyObject *module = PyModule_Create(&moduledef);1277#endif1278 1279 if (module == NULL ||1280 pyrf_event__setup_types() < 0 ||1281 pyrf_evlist__setup_types() < 0 ||1282 pyrf_evsel__setup_types() < 0 ||1283 pyrf_thread_map__setup_types() < 0 ||1284 pyrf_cpu_map__setup_types() < 0)1285#if PY_MAJOR_VERSION < 31286 return;1287#else1288 return module;1289#endif1290 1291 /* The page_size is placed in util object. */1292 page_size = sysconf(_SC_PAGE_SIZE);1293 1294 Py_INCREF(&pyrf_evlist__type);1295 PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type);1296 1297 Py_INCREF(&pyrf_evsel__type);1298 PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type);1299 1300 Py_INCREF(&pyrf_mmap_event__type);1301 PyModule_AddObject(module, "mmap_event", (PyObject *)&pyrf_mmap_event__type);1302 1303 Py_INCREF(&pyrf_lost_event__type);1304 PyModule_AddObject(module, "lost_event", (PyObject *)&pyrf_lost_event__type);1305 1306 Py_INCREF(&pyrf_comm_event__type);1307 PyModule_AddObject(module, "comm_event", (PyObject *)&pyrf_comm_event__type);1308 1309 Py_INCREF(&pyrf_task_event__type);1310 PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type);1311 1312 Py_INCREF(&pyrf_throttle_event__type);1313 PyModule_AddObject(module, "throttle_event", (PyObject *)&pyrf_throttle_event__type);1314 1315 Py_INCREF(&pyrf_task_event__type);1316 PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type);1317 1318 Py_INCREF(&pyrf_read_event__type);1319 PyModule_AddObject(module, "read_event", (PyObject *)&pyrf_read_event__type);1320 1321 Py_INCREF(&pyrf_sample_event__type);1322 PyModule_AddObject(module, "sample_event", (PyObject *)&pyrf_sample_event__type);1323 1324 Py_INCREF(&pyrf_context_switch_event__type);1325 PyModule_AddObject(module, "switch_event", (PyObject *)&pyrf_context_switch_event__type);1326 1327 Py_INCREF(&pyrf_thread_map__type);1328 PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type);1329 1330 Py_INCREF(&pyrf_cpu_map__type);1331 PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type);1332 1333 dict = PyModule_GetDict(module);1334 if (dict == NULL)1335 goto error;1336 1337 for (i = 0; perf__constants[i].name != NULL; i++) {1338 obj = _PyLong_FromLong(perf__constants[i].value);1339 if (obj == NULL)1340 goto error;1341 PyDict_SetItemString(dict, perf__constants[i].name, obj);1342 Py_DECREF(obj);1343 }1344 1345error:1346 if (PyErr_Occurred())1347 PyErr_SetString(PyExc_ImportError, "perf: Init failed!");1348#if PY_MAJOR_VERSION >= 31349 return module;1350#endif1351}1352 1353 1354/* The following are stubs to avoid dragging in builtin-* objects. */1355/* TODO: move the code out of the builtin-* file into util. */1356 1357unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;1358 1359#ifdef HAVE_KVM_STAT_SUPPORT1360bool kvm_entry_event(struct evsel *evsel __maybe_unused)1361{1362 return false;1363}1364 1365bool kvm_exit_event(struct evsel *evsel __maybe_unused)1366{1367 return false;1368}1369 1370bool exit_event_begin(struct evsel *evsel __maybe_unused,1371 struct perf_sample *sample __maybe_unused,1372 struct event_key *key __maybe_unused)1373{1374 return false;1375}1376 1377bool exit_event_end(struct evsel *evsel __maybe_unused,1378 struct perf_sample *sample __maybe_unused,1379 struct event_key *key __maybe_unused)1380{1381 return false;1382}1383 1384void exit_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused,1385 struct event_key *key __maybe_unused,1386 char *decode __maybe_unused)1387{1388}1389#endif // HAVE_KVM_STAT_SUPPORT1390 1391int find_scripts(char **scripts_array __maybe_unused, char **scripts_path_array __maybe_unused,1392 int num __maybe_unused, int pathlen __maybe_unused)1393{1394 return -1;1395}1396 1397void perf_stat__set_no_csv_summary(int set __maybe_unused)1398{1399}1400 1401void perf_stat__set_big_num(int set __maybe_unused)1402{1403}1404 1405int script_spec_register(const char *spec __maybe_unused, struct scripting_ops *ops __maybe_unused)1406{1407 return -1;1408}1409 1410arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch __maybe_unused)1411{1412 return NULL;1413}1414 1415struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused,1416 struct kwork_class *class __maybe_unused,1417 struct kwork_work *key __maybe_unused)1418{1419 return NULL;1420}1421 1422void script_fetch_insn(struct perf_sample *sample __maybe_unused,1423 struct thread *thread __maybe_unused,1424 struct machine *machine __maybe_unused)1425{1426}1427 1428int perf_sample__sprintf_flags(u32 flags __maybe_unused, char *str __maybe_unused,1429 size_t sz __maybe_unused)1430{1431 return -1;1432}1433 1434bool match_callstack_filter(struct machine *machine __maybe_unused, u64 *callstack __maybe_unused)1435{1436 return false;1437}1438 1439struct lock_stat *lock_stat_find(u64 addr __maybe_unused)1440{1441 return NULL;1442}1443 1444struct lock_stat *lock_stat_findnew(u64 addr __maybe_unused, const char *name __maybe_unused,1445 int flags __maybe_unused)1446{1447 return NULL;1448}1449 1450int cmd_inject(int argc __maybe_unused, const char *argv[] __maybe_unused)1451{1452 return -1;1453}1454