2 #include <structmember.h>
9 #include "thread_map.h"
12 * Support debug printing even though util/debug.c is not linked. That means
13 * implementing 'verbose' and 'eprintf'.
17 int eprintf(int level, int var, const char *fmt, ...)
24 ret = vfprintf(stderr, fmt, args);
31 /* Define PyVarObject_HEAD_INIT for python 2.5 */
32 #ifndef PyVarObject_HEAD_INIT
33 # define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,
36 PyMODINIT_FUNC initperf(void);
38 #define member_def(type, member, ptype, help) \
40 offsetof(struct pyrf_event, event) + offsetof(struct type, member), \
43 #define sample_member_def(name, member, ptype, help) \
45 offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \
50 struct perf_sample sample;
51 union perf_event event;
54 #define sample_members \
55 sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \
56 sample_member_def(sample_pid, pid, T_INT, "event pid"), \
57 sample_member_def(sample_tid, tid, T_INT, "event tid"), \
58 sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \
59 sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \
60 sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \
61 sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \
62 sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \
63 sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"),
65 static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object.");
67 static PyMemberDef pyrf_mmap_event__members[] = {
69 member_def(perf_event_header, type, T_UINT, "event type"),
70 member_def(perf_event_header, misc, T_UINT, "event misc"),
71 member_def(mmap_event, pid, T_UINT, "event pid"),
72 member_def(mmap_event, tid, T_UINT, "event tid"),
73 member_def(mmap_event, start, T_ULONGLONG, "start of the map"),
74 member_def(mmap_event, len, T_ULONGLONG, "map length"),
75 member_def(mmap_event, pgoff, T_ULONGLONG, "page offset"),
76 member_def(mmap_event, filename, T_STRING_INPLACE, "backing store"),
80 static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent)
85 if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRIx64 ", "
86 "length: %#" PRIx64 ", offset: %#" PRIx64 ", "
88 pevent->event.mmap.pid, pevent->event.mmap.tid,
89 pevent->event.mmap.start, pevent->event.mmap.len,
90 pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) {
91 ret = PyErr_NoMemory();
93 ret = PyString_FromString(s);
99 static PyTypeObject pyrf_mmap_event__type = {
100 PyVarObject_HEAD_INIT(NULL, 0)
101 .tp_name = "perf.mmap_event",
102 .tp_basicsize = sizeof(struct pyrf_event),
103 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
104 .tp_doc = pyrf_mmap_event__doc,
105 .tp_members = pyrf_mmap_event__members,
106 .tp_repr = (reprfunc)pyrf_mmap_event__repr,
109 static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object.");
111 static PyMemberDef pyrf_task_event__members[] = {
113 member_def(perf_event_header, type, T_UINT, "event type"),
114 member_def(fork_event, pid, T_UINT, "event pid"),
115 member_def(fork_event, ppid, T_UINT, "event ppid"),
116 member_def(fork_event, tid, T_UINT, "event tid"),
117 member_def(fork_event, ptid, T_UINT, "event ptid"),
118 member_def(fork_event, time, T_ULONGLONG, "timestamp"),
122 static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent)
124 return PyString_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, "
125 "ptid: %u, time: %" PRIu64 "}",
126 pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit",
127 pevent->event.fork.pid,
128 pevent->event.fork.ppid,
129 pevent->event.fork.tid,
130 pevent->event.fork.ptid,
131 pevent->event.fork.time);
134 static PyTypeObject pyrf_task_event__type = {
135 PyVarObject_HEAD_INIT(NULL, 0)
136 .tp_name = "perf.task_event",
137 .tp_basicsize = sizeof(struct pyrf_event),
138 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
139 .tp_doc = pyrf_task_event__doc,
140 .tp_members = pyrf_task_event__members,
141 .tp_repr = (reprfunc)pyrf_task_event__repr,
144 static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object.");
146 static PyMemberDef pyrf_comm_event__members[] = {
148 member_def(perf_event_header, type, T_UINT, "event type"),
149 member_def(comm_event, pid, T_UINT, "event pid"),
150 member_def(comm_event, tid, T_UINT, "event tid"),
151 member_def(comm_event, comm, T_STRING_INPLACE, "process name"),
155 static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent)
157 return PyString_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }",
158 pevent->event.comm.pid,
159 pevent->event.comm.tid,
160 pevent->event.comm.comm);
163 static PyTypeObject pyrf_comm_event__type = {
164 PyVarObject_HEAD_INIT(NULL, 0)
165 .tp_name = "perf.comm_event",
166 .tp_basicsize = sizeof(struct pyrf_event),
167 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
168 .tp_doc = pyrf_comm_event__doc,
169 .tp_members = pyrf_comm_event__members,
170 .tp_repr = (reprfunc)pyrf_comm_event__repr,
173 static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object.");
175 static PyMemberDef pyrf_throttle_event__members[] = {
177 member_def(perf_event_header, type, T_UINT, "event type"),
178 member_def(throttle_event, time, T_ULONGLONG, "timestamp"),
179 member_def(throttle_event, id, T_ULONGLONG, "event id"),
180 member_def(throttle_event, stream_id, T_ULONGLONG, "event stream id"),
184 static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent)
186 struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1);
188 return PyString_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64
189 ", stream_id: %" PRIu64 " }",
190 pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un",
191 te->time, te->id, te->stream_id);
194 static PyTypeObject pyrf_throttle_event__type = {
195 PyVarObject_HEAD_INIT(NULL, 0)
196 .tp_name = "perf.throttle_event",
197 .tp_basicsize = sizeof(struct pyrf_event),
198 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
199 .tp_doc = pyrf_throttle_event__doc,
200 .tp_members = pyrf_throttle_event__members,
201 .tp_repr = (reprfunc)pyrf_throttle_event__repr,
204 static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object.");
206 static PyMemberDef pyrf_lost_event__members[] = {
208 member_def(lost_event, id, T_ULONGLONG, "event id"),
209 member_def(lost_event, lost, T_ULONGLONG, "number of lost events"),
213 static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent)
218 if (asprintf(&s, "{ type: lost, id: %#" PRIx64 ", "
219 "lost: %#" PRIx64 " }",
220 pevent->event.lost.id, pevent->event.lost.lost) < 0) {
221 ret = PyErr_NoMemory();
223 ret = PyString_FromString(s);
229 static PyTypeObject pyrf_lost_event__type = {
230 PyVarObject_HEAD_INIT(NULL, 0)
231 .tp_name = "perf.lost_event",
232 .tp_basicsize = sizeof(struct pyrf_event),
233 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
234 .tp_doc = pyrf_lost_event__doc,
235 .tp_members = pyrf_lost_event__members,
236 .tp_repr = (reprfunc)pyrf_lost_event__repr,
239 static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object.");
241 static PyMemberDef pyrf_read_event__members[] = {
243 member_def(read_event, pid, T_UINT, "event pid"),
244 member_def(read_event, tid, T_UINT, "event tid"),
248 static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent)
250 return PyString_FromFormat("{ type: read, pid: %u, tid: %u }",
251 pevent->event.read.pid,
252 pevent->event.read.tid);
254 * FIXME: return the array of read values,
255 * making this method useful ;-)
259 static PyTypeObject pyrf_read_event__type = {
260 PyVarObject_HEAD_INIT(NULL, 0)
261 .tp_name = "perf.read_event",
262 .tp_basicsize = sizeof(struct pyrf_event),
263 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
264 .tp_doc = pyrf_read_event__doc,
265 .tp_members = pyrf_read_event__members,
266 .tp_repr = (reprfunc)pyrf_read_event__repr,
269 static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object.");
271 static PyMemberDef pyrf_sample_event__members[] = {
273 member_def(perf_event_header, type, T_UINT, "event type"),
277 static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent)
282 if (asprintf(&s, "{ type: sample }") < 0) {
283 ret = PyErr_NoMemory();
285 ret = PyString_FromString(s);
291 static PyTypeObject pyrf_sample_event__type = {
292 PyVarObject_HEAD_INIT(NULL, 0)
293 .tp_name = "perf.sample_event",
294 .tp_basicsize = sizeof(struct pyrf_event),
295 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
296 .tp_doc = pyrf_sample_event__doc,
297 .tp_members = pyrf_sample_event__members,
298 .tp_repr = (reprfunc)pyrf_sample_event__repr,
301 static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object.");
303 static PyMemberDef pyrf_context_switch_event__members[] = {
305 member_def(perf_event_header, type, T_UINT, "event type"),
306 member_def(context_switch_event, next_prev_pid, T_UINT, "next/prev pid"),
307 member_def(context_switch_event, next_prev_tid, T_UINT, "next/prev tid"),
311 static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent)
316 if (asprintf(&s, "{ type: context_switch, next_prev_pid: %u, next_prev_tid: %u, switch_out: %u }",
317 pevent->event.context_switch.next_prev_pid,
318 pevent->event.context_switch.next_prev_tid,
319 !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) {
320 ret = PyErr_NoMemory();
322 ret = PyString_FromString(s);
328 static PyTypeObject pyrf_context_switch_event__type = {
329 PyVarObject_HEAD_INIT(NULL, 0)
330 .tp_name = "perf.context_switch_event",
331 .tp_basicsize = sizeof(struct pyrf_event),
332 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
333 .tp_doc = pyrf_context_switch_event__doc,
334 .tp_members = pyrf_context_switch_event__members,
335 .tp_repr = (reprfunc)pyrf_context_switch_event__repr,
338 static int pyrf_event__setup_types(void)
341 pyrf_mmap_event__type.tp_new =
342 pyrf_task_event__type.tp_new =
343 pyrf_comm_event__type.tp_new =
344 pyrf_lost_event__type.tp_new =
345 pyrf_read_event__type.tp_new =
346 pyrf_sample_event__type.tp_new =
347 pyrf_context_switch_event__type.tp_new =
348 pyrf_throttle_event__type.tp_new = PyType_GenericNew;
349 err = PyType_Ready(&pyrf_mmap_event__type);
352 err = PyType_Ready(&pyrf_lost_event__type);
355 err = PyType_Ready(&pyrf_task_event__type);
358 err = PyType_Ready(&pyrf_comm_event__type);
361 err = PyType_Ready(&pyrf_throttle_event__type);
364 err = PyType_Ready(&pyrf_read_event__type);
367 err = PyType_Ready(&pyrf_sample_event__type);
370 err = PyType_Ready(&pyrf_context_switch_event__type);
377 static PyTypeObject *pyrf_event__type[] = {
378 [PERF_RECORD_MMAP] = &pyrf_mmap_event__type,
379 [PERF_RECORD_LOST] = &pyrf_lost_event__type,
380 [PERF_RECORD_COMM] = &pyrf_comm_event__type,
381 [PERF_RECORD_EXIT] = &pyrf_task_event__type,
382 [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type,
383 [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type,
384 [PERF_RECORD_FORK] = &pyrf_task_event__type,
385 [PERF_RECORD_READ] = &pyrf_read_event__type,
386 [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type,
387 [PERF_RECORD_SWITCH] = &pyrf_context_switch_event__type,
388 [PERF_RECORD_SWITCH_CPU_WIDE] = &pyrf_context_switch_event__type,
391 static PyObject *pyrf_event__new(union perf_event *event)
393 struct pyrf_event *pevent;
396 if ((event->header.type < PERF_RECORD_MMAP ||
397 event->header.type > PERF_RECORD_SAMPLE) &&
398 !(event->header.type == PERF_RECORD_SWITCH ||
399 event->header.type == PERF_RECORD_SWITCH_CPU_WIDE))
402 ptype = pyrf_event__type[event->header.type];
403 pevent = PyObject_New(struct pyrf_event, ptype);
405 memcpy(&pevent->event, event, event->header.size);
406 return (PyObject *)pevent;
409 struct pyrf_cpu_map {
412 struct cpu_map *cpus;
415 static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus,
416 PyObject *args, PyObject *kwargs)
418 static char *kwlist[] = { "cpustr", NULL };
421 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s",
425 pcpus->cpus = cpu_map__new(cpustr);
426 if (pcpus->cpus == NULL)
431 static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus)
433 cpu_map__put(pcpus->cpus);
434 pcpus->ob_type->tp_free((PyObject*)pcpus);
437 static Py_ssize_t pyrf_cpu_map__length(PyObject *obj)
439 struct pyrf_cpu_map *pcpus = (void *)obj;
441 return pcpus->cpus->nr;
444 static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i)
446 struct pyrf_cpu_map *pcpus = (void *)obj;
448 if (i >= pcpus->cpus->nr)
451 return Py_BuildValue("i", pcpus->cpus->map[i]);
454 static PySequenceMethods pyrf_cpu_map__sequence_methods = {
455 .sq_length = pyrf_cpu_map__length,
456 .sq_item = pyrf_cpu_map__item,
459 static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object.");
461 static PyTypeObject pyrf_cpu_map__type = {
462 PyVarObject_HEAD_INIT(NULL, 0)
463 .tp_name = "perf.cpu_map",
464 .tp_basicsize = sizeof(struct pyrf_cpu_map),
465 .tp_dealloc = (destructor)pyrf_cpu_map__delete,
466 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
467 .tp_doc = pyrf_cpu_map__doc,
468 .tp_as_sequence = &pyrf_cpu_map__sequence_methods,
469 .tp_init = (initproc)pyrf_cpu_map__init,
472 static int pyrf_cpu_map__setup_types(void)
474 pyrf_cpu_map__type.tp_new = PyType_GenericNew;
475 return PyType_Ready(&pyrf_cpu_map__type);
478 struct pyrf_thread_map {
481 struct thread_map *threads;
484 static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads,
485 PyObject *args, PyObject *kwargs)
487 static char *kwlist[] = { "pid", "tid", "uid", NULL };
488 int pid = -1, tid = -1, uid = UINT_MAX;
490 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii",
491 kwlist, &pid, &tid, &uid))
494 pthreads->threads = thread_map__new(pid, tid, uid);
495 if (pthreads->threads == NULL)
500 static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads)
502 thread_map__put(pthreads->threads);
503 pthreads->ob_type->tp_free((PyObject*)pthreads);
506 static Py_ssize_t pyrf_thread_map__length(PyObject *obj)
508 struct pyrf_thread_map *pthreads = (void *)obj;
510 return pthreads->threads->nr;
513 static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i)
515 struct pyrf_thread_map *pthreads = (void *)obj;
517 if (i >= pthreads->threads->nr)
520 return Py_BuildValue("i", pthreads->threads->map[i]);
523 static PySequenceMethods pyrf_thread_map__sequence_methods = {
524 .sq_length = pyrf_thread_map__length,
525 .sq_item = pyrf_thread_map__item,
528 static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object.");
530 static PyTypeObject pyrf_thread_map__type = {
531 PyVarObject_HEAD_INIT(NULL, 0)
532 .tp_name = "perf.thread_map",
533 .tp_basicsize = sizeof(struct pyrf_thread_map),
534 .tp_dealloc = (destructor)pyrf_thread_map__delete,
535 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
536 .tp_doc = pyrf_thread_map__doc,
537 .tp_as_sequence = &pyrf_thread_map__sequence_methods,
538 .tp_init = (initproc)pyrf_thread_map__init,
541 static int pyrf_thread_map__setup_types(void)
543 pyrf_thread_map__type.tp_new = PyType_GenericNew;
544 return PyType_Ready(&pyrf_thread_map__type);
550 struct perf_evsel evsel;
553 static int pyrf_evsel__init(struct pyrf_evsel *pevsel,
554 PyObject *args, PyObject *kwargs)
556 struct perf_event_attr attr = {
557 .type = PERF_TYPE_HARDWARE,
558 .config = PERF_COUNT_HW_CPU_CYCLES,
559 .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID,
561 static char *kwlist[] = {
593 u64 sample_period = 0;
615 if (!PyArg_ParseTupleAndKeywords(args, kwargs,
616 "|iKiKKiiiiiiiiiiiiiiiiiiiiiiKK", kwlist,
617 &attr.type, &attr.config, &attr.sample_freq,
618 &sample_period, &attr.sample_type,
619 &attr.read_format, &disabled, &inherit,
620 &pinned, &exclusive, &exclude_user,
621 &exclude_kernel, &exclude_hv, &exclude_idle,
622 &mmap, &context_switch, &comm, &freq, &inherit_stat,
623 &enable_on_exec, &task, &watermark,
624 &precise_ip, &mmap_data, &sample_id_all,
625 &attr.wakeup_events, &attr.bp_type,
626 &attr.bp_addr, &attr.bp_len, &idx))
630 if (sample_period != 0) {
631 if (attr.sample_freq != 0)
632 return -1; /* FIXME: throw right exception */
633 attr.sample_period = sample_period;
637 attr.disabled = disabled;
638 attr.inherit = inherit;
639 attr.pinned = pinned;
640 attr.exclusive = exclusive;
641 attr.exclude_user = exclude_user;
642 attr.exclude_kernel = exclude_kernel;
643 attr.exclude_hv = exclude_hv;
644 attr.exclude_idle = exclude_idle;
646 attr.context_switch = context_switch;
649 attr.inherit_stat = inherit_stat;
650 attr.enable_on_exec = enable_on_exec;
652 attr.watermark = watermark;
653 attr.precise_ip = precise_ip;
654 attr.mmap_data = mmap_data;
655 attr.sample_id_all = sample_id_all;
657 perf_evsel__init(&pevsel->evsel, &attr, idx);
661 static void pyrf_evsel__delete(struct pyrf_evsel *pevsel)
663 perf_evsel__exit(&pevsel->evsel);
664 pevsel->ob_type->tp_free((PyObject*)pevsel);
667 static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
668 PyObject *args, PyObject *kwargs)
670 struct perf_evsel *evsel = &pevsel->evsel;
671 struct cpu_map *cpus = NULL;
672 struct thread_map *threads = NULL;
673 PyObject *pcpus = NULL, *pthreads = NULL;
674 int group = 0, inherit = 0;
675 static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL };
677 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist,
678 &pcpus, &pthreads, &group, &inherit))
681 if (pthreads != NULL)
682 threads = ((struct pyrf_thread_map *)pthreads)->threads;
685 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
687 evsel->attr.inherit = inherit;
689 * This will group just the fds for this single evsel, to group
690 * multiple events, use evlist.open().
692 if (perf_evsel__open(evsel, cpus, threads) < 0) {
693 PyErr_SetFromErrno(PyExc_OSError);
701 static PyMethodDef pyrf_evsel__methods[] = {
704 .ml_meth = (PyCFunction)pyrf_evsel__open,
705 .ml_flags = METH_VARARGS | METH_KEYWORDS,
706 .ml_doc = PyDoc_STR("open the event selector file descriptor table.")
711 static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object.");
713 static PyTypeObject pyrf_evsel__type = {
714 PyVarObject_HEAD_INIT(NULL, 0)
715 .tp_name = "perf.evsel",
716 .tp_basicsize = sizeof(struct pyrf_evsel),
717 .tp_dealloc = (destructor)pyrf_evsel__delete,
718 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
719 .tp_doc = pyrf_evsel__doc,
720 .tp_methods = pyrf_evsel__methods,
721 .tp_init = (initproc)pyrf_evsel__init,
724 static int pyrf_evsel__setup_types(void)
726 pyrf_evsel__type.tp_new = PyType_GenericNew;
727 return PyType_Ready(&pyrf_evsel__type);
733 struct perf_evlist evlist;
736 static int pyrf_evlist__init(struct pyrf_evlist *pevlist,
737 PyObject *args, PyObject *kwargs __maybe_unused)
739 PyObject *pcpus = NULL, *pthreads = NULL;
740 struct cpu_map *cpus;
741 struct thread_map *threads;
743 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads))
746 threads = ((struct pyrf_thread_map *)pthreads)->threads;
747 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
748 perf_evlist__init(&pevlist->evlist, cpus, threads);
752 static void pyrf_evlist__delete(struct pyrf_evlist *pevlist)
754 perf_evlist__exit(&pevlist->evlist);
755 pevlist->ob_type->tp_free((PyObject*)pevlist);
758 static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist,
759 PyObject *args, PyObject *kwargs)
761 struct perf_evlist *evlist = &pevlist->evlist;
762 static char *kwlist[] = { "pages", "overwrite", NULL };
763 int pages = 128, overwrite = false;
765 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist,
769 if (perf_evlist__mmap(evlist, pages, overwrite) < 0) {
770 PyErr_SetFromErrno(PyExc_OSError);
778 static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,
779 PyObject *args, PyObject *kwargs)
781 struct perf_evlist *evlist = &pevlist->evlist;
782 static char *kwlist[] = { "timeout", NULL };
785 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout))
788 n = perf_evlist__poll(evlist, timeout);
790 PyErr_SetFromErrno(PyExc_OSError);
794 return Py_BuildValue("i", n);
797 static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
798 PyObject *args __maybe_unused,
799 PyObject *kwargs __maybe_unused)
801 struct perf_evlist *evlist = &pevlist->evlist;
802 PyObject *list = PyList_New(0);
805 for (i = 0; i < evlist->pollfd.nr; ++i) {
807 FILE *fp = fdopen(evlist->pollfd.entries[i].fd, "r");
812 file = PyFile_FromFile(fp, "perf", "r", NULL);
816 if (PyList_Append(list, file) != 0) {
826 return PyErr_NoMemory();
830 static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,
832 PyObject *kwargs __maybe_unused)
834 struct perf_evlist *evlist = &pevlist->evlist;
836 struct perf_evsel *evsel;
838 if (!PyArg_ParseTuple(args, "O", &pevsel))
842 evsel = &((struct pyrf_evsel *)pevsel)->evsel;
843 evsel->idx = evlist->nr_entries;
844 perf_evlist__add(evlist, evsel);
846 return Py_BuildValue("i", evlist->nr_entries);
849 static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
850 PyObject *args, PyObject *kwargs)
852 struct perf_evlist *evlist = &pevlist->evlist;
853 union perf_event *event;
854 int sample_id_all = 1, cpu;
855 static char *kwlist[] = { "cpu", "sample_id_all", NULL };
858 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
859 &cpu, &sample_id_all))
862 event = perf_evlist__mmap_read(evlist, cpu);
864 PyObject *pyevent = pyrf_event__new(event);
865 struct pyrf_event *pevent = (struct pyrf_event *)pyevent;
867 perf_evlist__mmap_consume(evlist, cpu);
870 return PyErr_NoMemory();
872 err = perf_evlist__parse_sample(evlist, event, &pevent->sample);
874 return PyErr_Format(PyExc_OSError,
875 "perf: can't parse sample, err=%d", err);
883 static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist,
884 PyObject *args, PyObject *kwargs)
886 struct perf_evlist *evlist = &pevlist->evlist;
888 static char *kwlist[] = { "group", NULL };
890 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group))
894 perf_evlist__set_leader(evlist);
896 if (perf_evlist__open(evlist) < 0) {
897 PyErr_SetFromErrno(PyExc_OSError);
905 static PyMethodDef pyrf_evlist__methods[] = {
908 .ml_meth = (PyCFunction)pyrf_evlist__mmap,
909 .ml_flags = METH_VARARGS | METH_KEYWORDS,
910 .ml_doc = PyDoc_STR("mmap the file descriptor table.")
914 .ml_meth = (PyCFunction)pyrf_evlist__open,
915 .ml_flags = METH_VARARGS | METH_KEYWORDS,
916 .ml_doc = PyDoc_STR("open the file descriptors.")
920 .ml_meth = (PyCFunction)pyrf_evlist__poll,
921 .ml_flags = METH_VARARGS | METH_KEYWORDS,
922 .ml_doc = PyDoc_STR("poll the file descriptor table.")
925 .ml_name = "get_pollfd",
926 .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd,
927 .ml_flags = METH_VARARGS | METH_KEYWORDS,
928 .ml_doc = PyDoc_STR("get the poll file descriptor table.")
932 .ml_meth = (PyCFunction)pyrf_evlist__add,
933 .ml_flags = METH_VARARGS | METH_KEYWORDS,
934 .ml_doc = PyDoc_STR("adds an event selector to the list.")
937 .ml_name = "read_on_cpu",
938 .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu,
939 .ml_flags = METH_VARARGS | METH_KEYWORDS,
940 .ml_doc = PyDoc_STR("reads an event.")
945 static Py_ssize_t pyrf_evlist__length(PyObject *obj)
947 struct pyrf_evlist *pevlist = (void *)obj;
949 return pevlist->evlist.nr_entries;
952 static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i)
954 struct pyrf_evlist *pevlist = (void *)obj;
955 struct perf_evsel *pos;
957 if (i >= pevlist->evlist.nr_entries)
960 evlist__for_each(&pevlist->evlist, pos) {
965 return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel));
968 static PySequenceMethods pyrf_evlist__sequence_methods = {
969 .sq_length = pyrf_evlist__length,
970 .sq_item = pyrf_evlist__item,
973 static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object.");
975 static PyTypeObject pyrf_evlist__type = {
976 PyVarObject_HEAD_INIT(NULL, 0)
977 .tp_name = "perf.evlist",
978 .tp_basicsize = sizeof(struct pyrf_evlist),
979 .tp_dealloc = (destructor)pyrf_evlist__delete,
980 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
981 .tp_as_sequence = &pyrf_evlist__sequence_methods,
982 .tp_doc = pyrf_evlist__doc,
983 .tp_methods = pyrf_evlist__methods,
984 .tp_init = (initproc)pyrf_evlist__init,
987 static int pyrf_evlist__setup_types(void)
989 pyrf_evlist__type.tp_new = PyType_GenericNew;
990 return PyType_Ready(&pyrf_evlist__type);
993 #define PERF_CONST(name) { #name, PERF_##name }
998 } perf__constants[] = {
999 PERF_CONST(TYPE_HARDWARE),
1000 PERF_CONST(TYPE_SOFTWARE),
1001 PERF_CONST(TYPE_TRACEPOINT),
1002 PERF_CONST(TYPE_HW_CACHE),
1003 PERF_CONST(TYPE_RAW),
1004 PERF_CONST(TYPE_BREAKPOINT),
1006 PERF_CONST(COUNT_HW_CPU_CYCLES),
1007 PERF_CONST(COUNT_HW_INSTRUCTIONS),
1008 PERF_CONST(COUNT_HW_CACHE_REFERENCES),
1009 PERF_CONST(COUNT_HW_CACHE_MISSES),
1010 PERF_CONST(COUNT_HW_BRANCH_INSTRUCTIONS),
1011 PERF_CONST(COUNT_HW_BRANCH_MISSES),
1012 PERF_CONST(COUNT_HW_BUS_CYCLES),
1013 PERF_CONST(COUNT_HW_CACHE_L1D),
1014 PERF_CONST(COUNT_HW_CACHE_L1I),
1015 PERF_CONST(COUNT_HW_CACHE_LL),
1016 PERF_CONST(COUNT_HW_CACHE_DTLB),
1017 PERF_CONST(COUNT_HW_CACHE_ITLB),
1018 PERF_CONST(COUNT_HW_CACHE_BPU),
1019 PERF_CONST(COUNT_HW_CACHE_OP_READ),
1020 PERF_CONST(COUNT_HW_CACHE_OP_WRITE),
1021 PERF_CONST(COUNT_HW_CACHE_OP_PREFETCH),
1022 PERF_CONST(COUNT_HW_CACHE_RESULT_ACCESS),
1023 PERF_CONST(COUNT_HW_CACHE_RESULT_MISS),
1025 PERF_CONST(COUNT_HW_STALLED_CYCLES_FRONTEND),
1026 PERF_CONST(COUNT_HW_STALLED_CYCLES_BACKEND),
1028 PERF_CONST(COUNT_SW_CPU_CLOCK),
1029 PERF_CONST(COUNT_SW_TASK_CLOCK),
1030 PERF_CONST(COUNT_SW_PAGE_FAULTS),
1031 PERF_CONST(COUNT_SW_CONTEXT_SWITCHES),
1032 PERF_CONST(COUNT_SW_CPU_MIGRATIONS),
1033 PERF_CONST(COUNT_SW_PAGE_FAULTS_MIN),
1034 PERF_CONST(COUNT_SW_PAGE_FAULTS_MAJ),
1035 PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS),
1036 PERF_CONST(COUNT_SW_EMULATION_FAULTS),
1037 PERF_CONST(COUNT_SW_DUMMY),
1039 PERF_CONST(SAMPLE_IP),
1040 PERF_CONST(SAMPLE_TID),
1041 PERF_CONST(SAMPLE_TIME),
1042 PERF_CONST(SAMPLE_ADDR),
1043 PERF_CONST(SAMPLE_READ),
1044 PERF_CONST(SAMPLE_CALLCHAIN),
1045 PERF_CONST(SAMPLE_ID),
1046 PERF_CONST(SAMPLE_CPU),
1047 PERF_CONST(SAMPLE_PERIOD),
1048 PERF_CONST(SAMPLE_STREAM_ID),
1049 PERF_CONST(SAMPLE_RAW),
1051 PERF_CONST(FORMAT_TOTAL_TIME_ENABLED),
1052 PERF_CONST(FORMAT_TOTAL_TIME_RUNNING),
1053 PERF_CONST(FORMAT_ID),
1054 PERF_CONST(FORMAT_GROUP),
1056 PERF_CONST(RECORD_MMAP),
1057 PERF_CONST(RECORD_LOST),
1058 PERF_CONST(RECORD_COMM),
1059 PERF_CONST(RECORD_EXIT),
1060 PERF_CONST(RECORD_THROTTLE),
1061 PERF_CONST(RECORD_UNTHROTTLE),
1062 PERF_CONST(RECORD_FORK),
1063 PERF_CONST(RECORD_READ),
1064 PERF_CONST(RECORD_SAMPLE),
1065 PERF_CONST(RECORD_MMAP2),
1066 PERF_CONST(RECORD_AUX),
1067 PERF_CONST(RECORD_ITRACE_START),
1068 PERF_CONST(RECORD_LOST_SAMPLES),
1069 PERF_CONST(RECORD_SWITCH),
1070 PERF_CONST(RECORD_SWITCH_CPU_WIDE),
1072 PERF_CONST(RECORD_MISC_SWITCH_OUT),
1076 static PyMethodDef perf__methods[] = {
1077 { .ml_name = NULL, }
1080 PyMODINIT_FUNC initperf(void)
1084 PyObject *dict, *module = Py_InitModule("perf", perf__methods);
1086 if (module == NULL ||
1087 pyrf_event__setup_types() < 0 ||
1088 pyrf_evlist__setup_types() < 0 ||
1089 pyrf_evsel__setup_types() < 0 ||
1090 pyrf_thread_map__setup_types() < 0 ||
1091 pyrf_cpu_map__setup_types() < 0)
1094 /* The page_size is placed in util object. */
1095 page_size = sysconf(_SC_PAGE_SIZE);
1097 Py_INCREF(&pyrf_evlist__type);
1098 PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type);
1100 Py_INCREF(&pyrf_evsel__type);
1101 PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type);
1103 Py_INCREF(&pyrf_thread_map__type);
1104 PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type);
1106 Py_INCREF(&pyrf_cpu_map__type);
1107 PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type);
1109 dict = PyModule_GetDict(module);
1113 for (i = 0; perf__constants[i].name != NULL; i++) {
1114 obj = PyInt_FromLong(perf__constants[i].value);
1117 PyDict_SetItemString(dict, perf__constants[i].name, obj);
1122 if (PyErr_Occurred())
1123 PyErr_SetString(PyExc_ImportError, "perf: Init failed!");
1127 * Dummy, to avoid dragging all the test_attr infrastructure in the python
1130 void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
1131 int fd, int group_fd, unsigned long flags)