2 #include <structmember.h>
9 #include "thread_map.h"
11 struct throttle_event {
12 struct perf_event_header header;
18 PyMODINIT_FUNC initperf(void);
20 #define member_def(type, member, ptype, help) \
22 offsetof(struct pyrf_event, event) + offsetof(struct type, member), \
25 #define sample_member_def(name, member, ptype, help) \
27 offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \
32 struct perf_sample sample;
33 union perf_event event;
36 #define sample_members \
37 sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \
38 sample_member_def(sample_pid, pid, T_INT, "event pid"), \
39 sample_member_def(sample_tid, tid, T_INT, "event tid"), \
40 sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \
41 sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \
42 sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \
43 sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \
44 sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \
45 sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"),
47 static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object.");
49 static PyMemberDef pyrf_mmap_event__members[] = {
51 member_def(perf_event_header, type, T_UINT, "event type"),
52 member_def(mmap_event, pid, T_UINT, "event pid"),
53 member_def(mmap_event, tid, T_UINT, "event tid"),
54 member_def(mmap_event, start, T_ULONGLONG, "start of the map"),
55 member_def(mmap_event, len, T_ULONGLONG, "map length"),
56 member_def(mmap_event, pgoff, T_ULONGLONG, "page offset"),
57 member_def(mmap_event, filename, T_STRING_INPLACE, "backing store"),
61 static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent)
66 if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRIx64 ", "
67 "length: %#" PRIx64 ", offset: %#" PRIx64 ", "
69 pevent->event.mmap.pid, pevent->event.mmap.tid,
70 pevent->event.mmap.start, pevent->event.mmap.len,
71 pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) {
72 ret = PyErr_NoMemory();
74 ret = PyString_FromString(s);
80 static PyTypeObject pyrf_mmap_event__type = {
81 PyVarObject_HEAD_INIT(NULL, 0)
82 .tp_name = "perf.mmap_event",
83 .tp_basicsize = sizeof(struct pyrf_event),
84 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
85 .tp_doc = pyrf_mmap_event__doc,
86 .tp_members = pyrf_mmap_event__members,
87 .tp_repr = (reprfunc)pyrf_mmap_event__repr,
90 static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object.");
92 static PyMemberDef pyrf_task_event__members[] = {
94 member_def(perf_event_header, type, T_UINT, "event type"),
95 member_def(fork_event, pid, T_UINT, "event pid"),
96 member_def(fork_event, ppid, T_UINT, "event ppid"),
97 member_def(fork_event, tid, T_UINT, "event tid"),
98 member_def(fork_event, ptid, T_UINT, "event ptid"),
99 member_def(fork_event, time, T_ULONGLONG, "timestamp"),
103 static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent)
105 return PyString_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, "
106 "ptid: %u, time: %" PRIu64 "}",
107 pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit",
108 pevent->event.fork.pid,
109 pevent->event.fork.ppid,
110 pevent->event.fork.tid,
111 pevent->event.fork.ptid,
112 pevent->event.fork.time);
115 static PyTypeObject pyrf_task_event__type = {
116 PyVarObject_HEAD_INIT(NULL, 0)
117 .tp_name = "perf.task_event",
118 .tp_basicsize = sizeof(struct pyrf_event),
119 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
120 .tp_doc = pyrf_task_event__doc,
121 .tp_members = pyrf_task_event__members,
122 .tp_repr = (reprfunc)pyrf_task_event__repr,
125 static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object.");
127 static PyMemberDef pyrf_comm_event__members[] = {
129 member_def(perf_event_header, type, T_UINT, "event type"),
130 member_def(comm_event, pid, T_UINT, "event pid"),
131 member_def(comm_event, tid, T_UINT, "event tid"),
132 member_def(comm_event, comm, T_STRING_INPLACE, "process name"),
136 static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent)
138 return PyString_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }",
139 pevent->event.comm.pid,
140 pevent->event.comm.tid,
141 pevent->event.comm.comm);
144 static PyTypeObject pyrf_comm_event__type = {
145 PyVarObject_HEAD_INIT(NULL, 0)
146 .tp_name = "perf.comm_event",
147 .tp_basicsize = sizeof(struct pyrf_event),
148 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
149 .tp_doc = pyrf_comm_event__doc,
150 .tp_members = pyrf_comm_event__members,
151 .tp_repr = (reprfunc)pyrf_comm_event__repr,
154 static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object.");
156 static PyMemberDef pyrf_throttle_event__members[] = {
158 member_def(perf_event_header, type, T_UINT, "event type"),
159 member_def(throttle_event, time, T_ULONGLONG, "timestamp"),
160 member_def(throttle_event, id, T_ULONGLONG, "event id"),
161 member_def(throttle_event, stream_id, T_ULONGLONG, "event stream id"),
165 static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent)
167 struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1);
169 return PyString_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64
170 ", stream_id: %" PRIu64 " }",
171 pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un",
172 te->time, te->id, te->stream_id);
175 static PyTypeObject pyrf_throttle_event__type = {
176 PyVarObject_HEAD_INIT(NULL, 0)
177 .tp_name = "perf.throttle_event",
178 .tp_basicsize = sizeof(struct pyrf_event),
179 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
180 .tp_doc = pyrf_throttle_event__doc,
181 .tp_members = pyrf_throttle_event__members,
182 .tp_repr = (reprfunc)pyrf_throttle_event__repr,
185 static int pyrf_event__setup_types(void)
188 pyrf_mmap_event__type.tp_new =
189 pyrf_task_event__type.tp_new =
190 pyrf_comm_event__type.tp_new =
191 pyrf_throttle_event__type.tp_new = PyType_GenericNew;
192 err = PyType_Ready(&pyrf_mmap_event__type);
195 err = PyType_Ready(&pyrf_task_event__type);
198 err = PyType_Ready(&pyrf_comm_event__type);
201 err = PyType_Ready(&pyrf_throttle_event__type);
208 static PyTypeObject *pyrf_event__type[] = {
209 [PERF_RECORD_MMAP] = &pyrf_mmap_event__type,
210 [PERF_RECORD_LOST] = &pyrf_mmap_event__type,
211 [PERF_RECORD_COMM] = &pyrf_comm_event__type,
212 [PERF_RECORD_EXIT] = &pyrf_task_event__type,
213 [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type,
214 [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type,
215 [PERF_RECORD_FORK] = &pyrf_task_event__type,
216 [PERF_RECORD_READ] = &pyrf_mmap_event__type,
217 [PERF_RECORD_SAMPLE] = &pyrf_mmap_event__type,
220 static PyObject *pyrf_event__new(union perf_event *event)
222 struct pyrf_event *pevent;
225 if (event->header.type < PERF_RECORD_MMAP ||
226 event->header.type > PERF_RECORD_SAMPLE)
229 ptype = pyrf_event__type[event->header.type];
230 pevent = PyObject_New(struct pyrf_event, ptype);
232 memcpy(&pevent->event, event, event->header.size);
233 return (PyObject *)pevent;
236 struct pyrf_cpu_map {
239 struct cpu_map *cpus;
242 static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus,
243 PyObject *args, PyObject *kwargs)
245 static char *kwlist[] = { "cpustr", NULL, NULL, };
248 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s",
252 pcpus->cpus = cpu_map__new(cpustr);
253 if (pcpus->cpus == NULL)
258 static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus)
260 cpu_map__delete(pcpus->cpus);
261 pcpus->ob_type->tp_free((PyObject*)pcpus);
264 static Py_ssize_t pyrf_cpu_map__length(PyObject *obj)
266 struct pyrf_cpu_map *pcpus = (void *)obj;
268 return pcpus->cpus->nr;
271 static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i)
273 struct pyrf_cpu_map *pcpus = (void *)obj;
275 if (i >= pcpus->cpus->nr)
278 return Py_BuildValue("i", pcpus->cpus->map[i]);
281 static PySequenceMethods pyrf_cpu_map__sequence_methods = {
282 .sq_length = pyrf_cpu_map__length,
283 .sq_item = pyrf_cpu_map__item,
286 static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object.");
288 static PyTypeObject pyrf_cpu_map__type = {
289 PyVarObject_HEAD_INIT(NULL, 0)
290 .tp_name = "perf.cpu_map",
291 .tp_basicsize = sizeof(struct pyrf_cpu_map),
292 .tp_dealloc = (destructor)pyrf_cpu_map__delete,
293 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
294 .tp_doc = pyrf_cpu_map__doc,
295 .tp_as_sequence = &pyrf_cpu_map__sequence_methods,
296 .tp_init = (initproc)pyrf_cpu_map__init,
299 static int pyrf_cpu_map__setup_types(void)
301 pyrf_cpu_map__type.tp_new = PyType_GenericNew;
302 return PyType_Ready(&pyrf_cpu_map__type);
305 struct pyrf_thread_map {
308 struct thread_map *threads;
311 static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads,
312 PyObject *args, PyObject *kwargs)
314 static char *kwlist[] = { "pid", "tid", NULL, NULL, };
315 int pid = -1, tid = -1;
317 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii",
321 pthreads->threads = thread_map__new(pid, tid);
322 if (pthreads->threads == NULL)
327 static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads)
329 thread_map__delete(pthreads->threads);
330 pthreads->ob_type->tp_free((PyObject*)pthreads);
333 static Py_ssize_t pyrf_thread_map__length(PyObject *obj)
335 struct pyrf_thread_map *pthreads = (void *)obj;
337 return pthreads->threads->nr;
340 static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i)
342 struct pyrf_thread_map *pthreads = (void *)obj;
344 if (i >= pthreads->threads->nr)
347 return Py_BuildValue("i", pthreads->threads->map[i]);
350 static PySequenceMethods pyrf_thread_map__sequence_methods = {
351 .sq_length = pyrf_thread_map__length,
352 .sq_item = pyrf_thread_map__item,
355 static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object.");
357 static PyTypeObject pyrf_thread_map__type = {
358 PyVarObject_HEAD_INIT(NULL, 0)
359 .tp_name = "perf.thread_map",
360 .tp_basicsize = sizeof(struct pyrf_thread_map),
361 .tp_dealloc = (destructor)pyrf_thread_map__delete,
362 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
363 .tp_doc = pyrf_thread_map__doc,
364 .tp_as_sequence = &pyrf_thread_map__sequence_methods,
365 .tp_init = (initproc)pyrf_thread_map__init,
368 static int pyrf_thread_map__setup_types(void)
370 pyrf_thread_map__type.tp_new = PyType_GenericNew;
371 return PyType_Ready(&pyrf_thread_map__type);
377 struct perf_evsel evsel;
380 static int pyrf_evsel__init(struct pyrf_evsel *pevsel,
381 PyObject *args, PyObject *kwargs)
383 struct perf_event_attr attr = {
384 .type = PERF_TYPE_HARDWARE,
385 .config = PERF_COUNT_HW_CPU_CYCLES,
386 .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID,
388 static char *kwlist[] = {
416 "bp_len", NULL, NULL, };
417 u64 sample_period = 0;
438 if (!PyArg_ParseTupleAndKeywords(args, kwargs,
439 "|iKiKKiiiiiiiiiiiiiiiiiiiiiKK", kwlist,
440 &attr.type, &attr.config, &attr.sample_freq,
441 &sample_period, &attr.sample_type,
442 &attr.read_format, &disabled, &inherit,
443 &pinned, &exclusive, &exclude_user,
444 &exclude_kernel, &exclude_hv, &exclude_idle,
445 &mmap, &comm, &freq, &inherit_stat,
446 &enable_on_exec, &task, &watermark,
447 &precise_ip, &mmap_data, &sample_id_all,
448 &attr.wakeup_events, &attr.bp_type,
449 &attr.bp_addr, &attr.bp_len, &idx))
453 if (sample_period != 0) {
454 if (attr.sample_freq != 0)
455 return -1; /* FIXME: throw right exception */
456 attr.sample_period = sample_period;
460 attr.disabled = disabled;
461 attr.inherit = inherit;
462 attr.pinned = pinned;
463 attr.exclusive = exclusive;
464 attr.exclude_user = exclude_user;
465 attr.exclude_kernel = exclude_kernel;
466 attr.exclude_hv = exclude_hv;
467 attr.exclude_idle = exclude_idle;
471 attr.inherit_stat = inherit_stat;
472 attr.enable_on_exec = enable_on_exec;
474 attr.watermark = watermark;
475 attr.precise_ip = precise_ip;
476 attr.mmap_data = mmap_data;
477 attr.sample_id_all = sample_id_all;
479 perf_evsel__init(&pevsel->evsel, &attr, idx);
483 static void pyrf_evsel__delete(struct pyrf_evsel *pevsel)
485 perf_evsel__exit(&pevsel->evsel);
486 pevsel->ob_type->tp_free((PyObject*)pevsel);
489 static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
490 PyObject *args, PyObject *kwargs)
492 struct perf_evsel *evsel = &pevsel->evsel;
493 struct cpu_map *cpus = NULL;
494 struct thread_map *threads = NULL;
495 PyObject *pcpus = NULL, *pthreads = NULL;
496 int group = 0, overwrite = 0;
497 static char *kwlist[] = {"cpus", "threads", "group", "overwrite", NULL, NULL};
499 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist,
500 &pcpus, &pthreads, &group, &overwrite))
503 if (pthreads != NULL)
504 threads = ((struct pyrf_thread_map *)pthreads)->threads;
507 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
509 if (perf_evsel__open(evsel, cpus, threads, group, overwrite) < 0) {
510 PyErr_SetFromErrno(PyExc_OSError);
518 static PyMethodDef pyrf_evsel__methods[] = {
521 .ml_meth = (PyCFunction)pyrf_evsel__open,
522 .ml_flags = METH_VARARGS | METH_KEYWORDS,
523 .ml_doc = PyDoc_STR("open the event selector file descriptor table.")
528 static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object.");
530 static PyTypeObject pyrf_evsel__type = {
531 PyVarObject_HEAD_INIT(NULL, 0)
532 .tp_name = "perf.evsel",
533 .tp_basicsize = sizeof(struct pyrf_evsel),
534 .tp_dealloc = (destructor)pyrf_evsel__delete,
535 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
536 .tp_doc = pyrf_evsel__doc,
537 .tp_methods = pyrf_evsel__methods,
538 .tp_init = (initproc)pyrf_evsel__init,
541 static int pyrf_evsel__setup_types(void)
543 pyrf_evsel__type.tp_new = PyType_GenericNew;
544 return PyType_Ready(&pyrf_evsel__type);
550 struct perf_evlist evlist;
553 static int pyrf_evlist__init(struct pyrf_evlist *pevlist,
554 PyObject *args, PyObject *kwargs __used)
556 PyObject *pcpus = NULL, *pthreads = NULL;
557 struct cpu_map *cpus;
558 struct thread_map *threads;
560 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads))
563 threads = ((struct pyrf_thread_map *)pthreads)->threads;
564 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
565 perf_evlist__init(&pevlist->evlist, cpus, threads);
569 static void pyrf_evlist__delete(struct pyrf_evlist *pevlist)
571 perf_evlist__exit(&pevlist->evlist);
572 pevlist->ob_type->tp_free((PyObject*)pevlist);
575 static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist,
576 PyObject *args, PyObject *kwargs)
578 struct perf_evlist *evlist = &pevlist->evlist;
579 static char *kwlist[] = {"pages", "overwrite",
581 int pages = 128, overwrite = false;
583 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist,
587 if (perf_evlist__mmap(evlist, pages, overwrite) < 0) {
588 PyErr_SetFromErrno(PyExc_OSError);
596 static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,
597 PyObject *args, PyObject *kwargs)
599 struct perf_evlist *evlist = &pevlist->evlist;
600 static char *kwlist[] = {"timeout", NULL, NULL};
603 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout))
606 n = poll(evlist->pollfd, evlist->nr_fds, timeout);
608 PyErr_SetFromErrno(PyExc_OSError);
612 return Py_BuildValue("i", n);
615 static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
616 PyObject *args __used, PyObject *kwargs __used)
618 struct perf_evlist *evlist = &pevlist->evlist;
619 PyObject *list = PyList_New(0);
622 for (i = 0; i < evlist->nr_fds; ++i) {
624 FILE *fp = fdopen(evlist->pollfd[i].fd, "r");
629 file = PyFile_FromFile(fp, "perf", "r", NULL);
633 if (PyList_Append(list, file) != 0) {
643 return PyErr_NoMemory();
647 static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,
648 PyObject *args, PyObject *kwargs __used)
650 struct perf_evlist *evlist = &pevlist->evlist;
652 struct perf_evsel *evsel;
654 if (!PyArg_ParseTuple(args, "O", &pevsel))
658 evsel = &((struct pyrf_evsel *)pevsel)->evsel;
659 evsel->idx = evlist->nr_entries;
660 perf_evlist__add(evlist, evsel);
662 return Py_BuildValue("i", evlist->nr_entries);
665 static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
666 PyObject *args, PyObject *kwargs)
668 struct perf_evlist *evlist = &pevlist->evlist;
669 union perf_event *event;
670 int sample_id_all = 1, cpu;
671 static char *kwlist[] = {"sample_id_all", NULL, NULL};
673 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
674 &cpu, &sample_id_all))
677 event = perf_evlist__read_on_cpu(evlist, cpu);
679 struct perf_evsel *first;
680 PyObject *pyevent = pyrf_event__new(event);
681 struct pyrf_event *pevent = (struct pyrf_event *)pyevent;
684 return PyErr_NoMemory();
686 first = list_entry(evlist->entries.next, struct perf_evsel, node);
687 perf_event__parse_sample(event, first->attr.sample_type, sample_id_all,
696 static PyMethodDef pyrf_evlist__methods[] = {
699 .ml_meth = (PyCFunction)pyrf_evlist__mmap,
700 .ml_flags = METH_VARARGS | METH_KEYWORDS,
701 .ml_doc = PyDoc_STR("mmap the file descriptor table.")
705 .ml_meth = (PyCFunction)pyrf_evlist__poll,
706 .ml_flags = METH_VARARGS | METH_KEYWORDS,
707 .ml_doc = PyDoc_STR("poll the file descriptor table.")
710 .ml_name = "get_pollfd",
711 .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd,
712 .ml_flags = METH_VARARGS | METH_KEYWORDS,
713 .ml_doc = PyDoc_STR("get the poll file descriptor table.")
717 .ml_meth = (PyCFunction)pyrf_evlist__add,
718 .ml_flags = METH_VARARGS | METH_KEYWORDS,
719 .ml_doc = PyDoc_STR("adds an event selector to the list.")
722 .ml_name = "read_on_cpu",
723 .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu,
724 .ml_flags = METH_VARARGS | METH_KEYWORDS,
725 .ml_doc = PyDoc_STR("reads an event.")
730 static Py_ssize_t pyrf_evlist__length(PyObject *obj)
732 struct pyrf_evlist *pevlist = (void *)obj;
734 return pevlist->evlist.nr_entries;
737 static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i)
739 struct pyrf_evlist *pevlist = (void *)obj;
740 struct perf_evsel *pos;
742 if (i >= pevlist->evlist.nr_entries)
745 list_for_each_entry(pos, &pevlist->evlist.entries, node)
749 return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel));
752 static PySequenceMethods pyrf_evlist__sequence_methods = {
753 .sq_length = pyrf_evlist__length,
754 .sq_item = pyrf_evlist__item,
757 static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object.");
759 static PyTypeObject pyrf_evlist__type = {
760 PyVarObject_HEAD_INIT(NULL, 0)
761 .tp_name = "perf.evlist",
762 .tp_basicsize = sizeof(struct pyrf_evlist),
763 .tp_dealloc = (destructor)pyrf_evlist__delete,
764 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
765 .tp_as_sequence = &pyrf_evlist__sequence_methods,
766 .tp_doc = pyrf_evlist__doc,
767 .tp_methods = pyrf_evlist__methods,
768 .tp_init = (initproc)pyrf_evlist__init,
771 static int pyrf_evlist__setup_types(void)
773 pyrf_evlist__type.tp_new = PyType_GenericNew;
774 return PyType_Ready(&pyrf_evlist__type);
780 } perf__constants[] = {
781 { "TYPE_HARDWARE", PERF_TYPE_HARDWARE },
782 { "TYPE_SOFTWARE", PERF_TYPE_SOFTWARE },
783 { "TYPE_TRACEPOINT", PERF_TYPE_TRACEPOINT },
784 { "TYPE_HW_CACHE", PERF_TYPE_HW_CACHE },
785 { "TYPE_RAW", PERF_TYPE_RAW },
786 { "TYPE_BREAKPOINT", PERF_TYPE_BREAKPOINT },
788 { "COUNT_HW_CPU_CYCLES", PERF_COUNT_HW_CPU_CYCLES },
789 { "COUNT_HW_INSTRUCTIONS", PERF_COUNT_HW_INSTRUCTIONS },
790 { "COUNT_HW_CACHE_REFERENCES", PERF_COUNT_HW_CACHE_REFERENCES },
791 { "COUNT_HW_CACHE_MISSES", PERF_COUNT_HW_CACHE_MISSES },
792 { "COUNT_HW_BRANCH_INSTRUCTIONS", PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
793 { "COUNT_HW_BRANCH_MISSES", PERF_COUNT_HW_BRANCH_MISSES },
794 { "COUNT_HW_BUS_CYCLES", PERF_COUNT_HW_BUS_CYCLES },
795 { "COUNT_HW_CACHE_L1D", PERF_COUNT_HW_CACHE_L1D },
796 { "COUNT_HW_CACHE_L1I", PERF_COUNT_HW_CACHE_L1I },
797 { "COUNT_HW_CACHE_LL", PERF_COUNT_HW_CACHE_LL },
798 { "COUNT_HW_CACHE_DTLB", PERF_COUNT_HW_CACHE_DTLB },
799 { "COUNT_HW_CACHE_ITLB", PERF_COUNT_HW_CACHE_ITLB },
800 { "COUNT_HW_CACHE_BPU", PERF_COUNT_HW_CACHE_BPU },
801 { "COUNT_HW_CACHE_OP_READ", PERF_COUNT_HW_CACHE_OP_READ },
802 { "COUNT_HW_CACHE_OP_WRITE", PERF_COUNT_HW_CACHE_OP_WRITE },
803 { "COUNT_HW_CACHE_OP_PREFETCH", PERF_COUNT_HW_CACHE_OP_PREFETCH },
804 { "COUNT_HW_CACHE_RESULT_ACCESS", PERF_COUNT_HW_CACHE_RESULT_ACCESS },
805 { "COUNT_HW_CACHE_RESULT_MISS", PERF_COUNT_HW_CACHE_RESULT_MISS },
807 { "COUNT_SW_CPU_CLOCK", PERF_COUNT_SW_CPU_CLOCK },
808 { "COUNT_SW_TASK_CLOCK", PERF_COUNT_SW_TASK_CLOCK },
809 { "COUNT_SW_PAGE_FAULTS", PERF_COUNT_SW_PAGE_FAULTS },
810 { "COUNT_SW_CONTEXT_SWITCHES", PERF_COUNT_SW_CONTEXT_SWITCHES },
811 { "COUNT_SW_CPU_MIGRATIONS", PERF_COUNT_SW_CPU_MIGRATIONS },
812 { "COUNT_SW_PAGE_FAULTS_MIN", PERF_COUNT_SW_PAGE_FAULTS_MIN },
813 { "COUNT_SW_PAGE_FAULTS_MAJ", PERF_COUNT_SW_PAGE_FAULTS_MAJ },
814 { "COUNT_SW_ALIGNMENT_FAULTS", PERF_COUNT_SW_ALIGNMENT_FAULTS },
815 { "COUNT_SW_EMULATION_FAULTS", PERF_COUNT_SW_EMULATION_FAULTS },
817 { "SAMPLE_IP", PERF_SAMPLE_IP },
818 { "SAMPLE_TID", PERF_SAMPLE_TID },
819 { "SAMPLE_TIME", PERF_SAMPLE_TIME },
820 { "SAMPLE_ADDR", PERF_SAMPLE_ADDR },
821 { "SAMPLE_READ", PERF_SAMPLE_READ },
822 { "SAMPLE_CALLCHAIN", PERF_SAMPLE_CALLCHAIN },
823 { "SAMPLE_ID", PERF_SAMPLE_ID },
824 { "SAMPLE_CPU", PERF_SAMPLE_CPU },
825 { "SAMPLE_PERIOD", PERF_SAMPLE_PERIOD },
826 { "SAMPLE_STREAM_ID", PERF_SAMPLE_STREAM_ID },
827 { "SAMPLE_RAW", PERF_SAMPLE_RAW },
829 { "FORMAT_TOTAL_TIME_ENABLED", PERF_FORMAT_TOTAL_TIME_ENABLED },
830 { "FORMAT_TOTAL_TIME_RUNNING", PERF_FORMAT_TOTAL_TIME_RUNNING },
831 { "FORMAT_ID", PERF_FORMAT_ID },
832 { "FORMAT_GROUP", PERF_FORMAT_GROUP },
834 { "RECORD_MMAP", PERF_RECORD_MMAP },
835 { "RECORD_LOST", PERF_RECORD_LOST },
836 { "RECORD_COMM", PERF_RECORD_COMM },
837 { "RECORD_EXIT", PERF_RECORD_EXIT },
838 { "RECORD_THROTTLE", PERF_RECORD_THROTTLE },
839 { "RECORD_UNTHROTTLE", PERF_RECORD_UNTHROTTLE },
840 { "RECORD_FORK", PERF_RECORD_FORK },
841 { "RECORD_READ", PERF_RECORD_READ },
842 { "RECORD_SAMPLE", PERF_RECORD_SAMPLE },
846 static PyMethodDef perf__methods[] = {
850 PyMODINIT_FUNC initperf(void)
854 PyObject *dict, *module = Py_InitModule("perf", perf__methods);
856 if (module == NULL ||
857 pyrf_event__setup_types() < 0 ||
858 pyrf_evlist__setup_types() < 0 ||
859 pyrf_evsel__setup_types() < 0 ||
860 pyrf_thread_map__setup_types() < 0 ||
861 pyrf_cpu_map__setup_types() < 0)
864 Py_INCREF(&pyrf_evlist__type);
865 PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type);
867 Py_INCREF(&pyrf_evsel__type);
868 PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type);
870 Py_INCREF(&pyrf_thread_map__type);
871 PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type);
873 Py_INCREF(&pyrf_cpu_map__type);
874 PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type);
876 dict = PyModule_GetDict(module);
880 for (i = 0; perf__constants[i].name != NULL; i++) {
881 obj = PyInt_FromLong(perf__constants[i].value);
884 PyDict_SetItemString(dict, perf__constants[i].name, obj);
889 if (PyErr_Occurred())
890 PyErr_SetString(PyExc_ImportError, "perf: Init failed!");