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(mmap_event, pid, T_UINT, "event pid"),
71 member_def(mmap_event, tid, T_UINT, "event tid"),
72 member_def(mmap_event, start, T_ULONGLONG, "start of the map"),
73 member_def(mmap_event, len, T_ULONGLONG, "map length"),
74 member_def(mmap_event, pgoff, T_ULONGLONG, "page offset"),
75 member_def(mmap_event, filename, T_STRING_INPLACE, "backing store"),
79 static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent)
84 if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRIx64 ", "
85 "length: %#" PRIx64 ", offset: %#" PRIx64 ", "
87 pevent->event.mmap.pid, pevent->event.mmap.tid,
88 pevent->event.mmap.start, pevent->event.mmap.len,
89 pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) {
90 ret = PyErr_NoMemory();
92 ret = PyString_FromString(s);
98 static PyTypeObject pyrf_mmap_event__type = {
99 PyVarObject_HEAD_INIT(NULL, 0)
100 .tp_name = "perf.mmap_event",
101 .tp_basicsize = sizeof(struct pyrf_event),
102 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
103 .tp_doc = pyrf_mmap_event__doc,
104 .tp_members = pyrf_mmap_event__members,
105 .tp_repr = (reprfunc)pyrf_mmap_event__repr,
108 static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object.");
110 static PyMemberDef pyrf_task_event__members[] = {
112 member_def(perf_event_header, type, T_UINT, "event type"),
113 member_def(fork_event, pid, T_UINT, "event pid"),
114 member_def(fork_event, ppid, T_UINT, "event ppid"),
115 member_def(fork_event, tid, T_UINT, "event tid"),
116 member_def(fork_event, ptid, T_UINT, "event ptid"),
117 member_def(fork_event, time, T_ULONGLONG, "timestamp"),
121 static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent)
123 return PyString_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, "
124 "ptid: %u, time: %" PRIu64 "}",
125 pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit",
126 pevent->event.fork.pid,
127 pevent->event.fork.ppid,
128 pevent->event.fork.tid,
129 pevent->event.fork.ptid,
130 pevent->event.fork.time);
133 static PyTypeObject pyrf_task_event__type = {
134 PyVarObject_HEAD_INIT(NULL, 0)
135 .tp_name = "perf.task_event",
136 .tp_basicsize = sizeof(struct pyrf_event),
137 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
138 .tp_doc = pyrf_task_event__doc,
139 .tp_members = pyrf_task_event__members,
140 .tp_repr = (reprfunc)pyrf_task_event__repr,
143 static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object.");
145 static PyMemberDef pyrf_comm_event__members[] = {
147 member_def(perf_event_header, type, T_UINT, "event type"),
148 member_def(comm_event, pid, T_UINT, "event pid"),
149 member_def(comm_event, tid, T_UINT, "event tid"),
150 member_def(comm_event, comm, T_STRING_INPLACE, "process name"),
154 static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent)
156 return PyString_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }",
157 pevent->event.comm.pid,
158 pevent->event.comm.tid,
159 pevent->event.comm.comm);
162 static PyTypeObject pyrf_comm_event__type = {
163 PyVarObject_HEAD_INIT(NULL, 0)
164 .tp_name = "perf.comm_event",
165 .tp_basicsize = sizeof(struct pyrf_event),
166 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
167 .tp_doc = pyrf_comm_event__doc,
168 .tp_members = pyrf_comm_event__members,
169 .tp_repr = (reprfunc)pyrf_comm_event__repr,
172 static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object.");
174 static PyMemberDef pyrf_throttle_event__members[] = {
176 member_def(perf_event_header, type, T_UINT, "event type"),
177 member_def(throttle_event, time, T_ULONGLONG, "timestamp"),
178 member_def(throttle_event, id, T_ULONGLONG, "event id"),
179 member_def(throttle_event, stream_id, T_ULONGLONG, "event stream id"),
183 static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent)
185 struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1);
187 return PyString_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64
188 ", stream_id: %" PRIu64 " }",
189 pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un",
190 te->time, te->id, te->stream_id);
193 static PyTypeObject pyrf_throttle_event__type = {
194 PyVarObject_HEAD_INIT(NULL, 0)
195 .tp_name = "perf.throttle_event",
196 .tp_basicsize = sizeof(struct pyrf_event),
197 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
198 .tp_doc = pyrf_throttle_event__doc,
199 .tp_members = pyrf_throttle_event__members,
200 .tp_repr = (reprfunc)pyrf_throttle_event__repr,
203 static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object.");
205 static PyMemberDef pyrf_lost_event__members[] = {
207 member_def(lost_event, id, T_ULONGLONG, "event id"),
208 member_def(lost_event, lost, T_ULONGLONG, "number of lost events"),
212 static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent)
217 if (asprintf(&s, "{ type: lost, id: %#" PRIx64 ", "
218 "lost: %#" PRIx64 " }",
219 pevent->event.lost.id, pevent->event.lost.lost) < 0) {
220 ret = PyErr_NoMemory();
222 ret = PyString_FromString(s);
228 static PyTypeObject pyrf_lost_event__type = {
229 PyVarObject_HEAD_INIT(NULL, 0)
230 .tp_name = "perf.lost_event",
231 .tp_basicsize = sizeof(struct pyrf_event),
232 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
233 .tp_doc = pyrf_lost_event__doc,
234 .tp_members = pyrf_lost_event__members,
235 .tp_repr = (reprfunc)pyrf_lost_event__repr,
238 static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object.");
240 static PyMemberDef pyrf_read_event__members[] = {
242 member_def(read_event, pid, T_UINT, "event pid"),
243 member_def(read_event, tid, T_UINT, "event tid"),
247 static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent)
249 return PyString_FromFormat("{ type: read, pid: %u, tid: %u }",
250 pevent->event.read.pid,
251 pevent->event.read.tid);
253 * FIXME: return the array of read values,
254 * making this method useful ;-)
258 static PyTypeObject pyrf_read_event__type = {
259 PyVarObject_HEAD_INIT(NULL, 0)
260 .tp_name = "perf.read_event",
261 .tp_basicsize = sizeof(struct pyrf_event),
262 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
263 .tp_doc = pyrf_read_event__doc,
264 .tp_members = pyrf_read_event__members,
265 .tp_repr = (reprfunc)pyrf_read_event__repr,
268 static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object.");
270 static PyMemberDef pyrf_sample_event__members[] = {
272 member_def(perf_event_header, type, T_UINT, "event type"),
276 static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent)
281 if (asprintf(&s, "{ type: sample }") < 0) {
282 ret = PyErr_NoMemory();
284 ret = PyString_FromString(s);
290 static PyTypeObject pyrf_sample_event__type = {
291 PyVarObject_HEAD_INIT(NULL, 0)
292 .tp_name = "perf.sample_event",
293 .tp_basicsize = sizeof(struct pyrf_event),
294 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
295 .tp_doc = pyrf_sample_event__doc,
296 .tp_members = pyrf_sample_event__members,
297 .tp_repr = (reprfunc)pyrf_sample_event__repr,
300 static int pyrf_event__setup_types(void)
303 pyrf_mmap_event__type.tp_new =
304 pyrf_task_event__type.tp_new =
305 pyrf_comm_event__type.tp_new =
306 pyrf_lost_event__type.tp_new =
307 pyrf_read_event__type.tp_new =
308 pyrf_sample_event__type.tp_new =
309 pyrf_throttle_event__type.tp_new = PyType_GenericNew;
310 err = PyType_Ready(&pyrf_mmap_event__type);
313 err = PyType_Ready(&pyrf_lost_event__type);
316 err = PyType_Ready(&pyrf_task_event__type);
319 err = PyType_Ready(&pyrf_comm_event__type);
322 err = PyType_Ready(&pyrf_throttle_event__type);
325 err = PyType_Ready(&pyrf_read_event__type);
328 err = PyType_Ready(&pyrf_sample_event__type);
335 static PyTypeObject *pyrf_event__type[] = {
336 [PERF_RECORD_MMAP] = &pyrf_mmap_event__type,
337 [PERF_RECORD_LOST] = &pyrf_lost_event__type,
338 [PERF_RECORD_COMM] = &pyrf_comm_event__type,
339 [PERF_RECORD_EXIT] = &pyrf_task_event__type,
340 [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type,
341 [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type,
342 [PERF_RECORD_FORK] = &pyrf_task_event__type,
343 [PERF_RECORD_READ] = &pyrf_read_event__type,
344 [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type,
347 static PyObject *pyrf_event__new(union perf_event *event)
349 struct pyrf_event *pevent;
352 if (event->header.type < PERF_RECORD_MMAP ||
353 event->header.type > PERF_RECORD_SAMPLE)
356 ptype = pyrf_event__type[event->header.type];
357 pevent = PyObject_New(struct pyrf_event, ptype);
359 memcpy(&pevent->event, event, event->header.size);
360 return (PyObject *)pevent;
363 struct pyrf_cpu_map {
366 struct cpu_map *cpus;
369 static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus,
370 PyObject *args, PyObject *kwargs)
372 static char *kwlist[] = { "cpustr", NULL };
375 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s",
379 pcpus->cpus = cpu_map__new(cpustr);
380 if (pcpus->cpus == NULL)
385 static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus)
387 cpu_map__delete(pcpus->cpus);
388 pcpus->ob_type->tp_free((PyObject*)pcpus);
391 static Py_ssize_t pyrf_cpu_map__length(PyObject *obj)
393 struct pyrf_cpu_map *pcpus = (void *)obj;
395 return pcpus->cpus->nr;
398 static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i)
400 struct pyrf_cpu_map *pcpus = (void *)obj;
402 if (i >= pcpus->cpus->nr)
405 return Py_BuildValue("i", pcpus->cpus->map[i]);
408 static PySequenceMethods pyrf_cpu_map__sequence_methods = {
409 .sq_length = pyrf_cpu_map__length,
410 .sq_item = pyrf_cpu_map__item,
413 static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object.");
415 static PyTypeObject pyrf_cpu_map__type = {
416 PyVarObject_HEAD_INIT(NULL, 0)
417 .tp_name = "perf.cpu_map",
418 .tp_basicsize = sizeof(struct pyrf_cpu_map),
419 .tp_dealloc = (destructor)pyrf_cpu_map__delete,
420 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
421 .tp_doc = pyrf_cpu_map__doc,
422 .tp_as_sequence = &pyrf_cpu_map__sequence_methods,
423 .tp_init = (initproc)pyrf_cpu_map__init,
426 static int pyrf_cpu_map__setup_types(void)
428 pyrf_cpu_map__type.tp_new = PyType_GenericNew;
429 return PyType_Ready(&pyrf_cpu_map__type);
432 struct pyrf_thread_map {
435 struct thread_map *threads;
438 static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads,
439 PyObject *args, PyObject *kwargs)
441 static char *kwlist[] = { "pid", "tid", "uid", NULL };
442 int pid = -1, tid = -1, uid = UINT_MAX;
444 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii",
445 kwlist, &pid, &tid, &uid))
448 pthreads->threads = thread_map__new(pid, tid, uid);
449 if (pthreads->threads == NULL)
454 static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads)
456 thread_map__delete(pthreads->threads);
457 pthreads->ob_type->tp_free((PyObject*)pthreads);
460 static Py_ssize_t pyrf_thread_map__length(PyObject *obj)
462 struct pyrf_thread_map *pthreads = (void *)obj;
464 return pthreads->threads->nr;
467 static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i)
469 struct pyrf_thread_map *pthreads = (void *)obj;
471 if (i >= pthreads->threads->nr)
474 return Py_BuildValue("i", pthreads->threads->map[i]);
477 static PySequenceMethods pyrf_thread_map__sequence_methods = {
478 .sq_length = pyrf_thread_map__length,
479 .sq_item = pyrf_thread_map__item,
482 static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object.");
484 static PyTypeObject pyrf_thread_map__type = {
485 PyVarObject_HEAD_INIT(NULL, 0)
486 .tp_name = "perf.thread_map",
487 .tp_basicsize = sizeof(struct pyrf_thread_map),
488 .tp_dealloc = (destructor)pyrf_thread_map__delete,
489 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
490 .tp_doc = pyrf_thread_map__doc,
491 .tp_as_sequence = &pyrf_thread_map__sequence_methods,
492 .tp_init = (initproc)pyrf_thread_map__init,
495 static int pyrf_thread_map__setup_types(void)
497 pyrf_thread_map__type.tp_new = PyType_GenericNew;
498 return PyType_Ready(&pyrf_thread_map__type);
504 struct perf_evsel evsel;
507 static int pyrf_evsel__init(struct pyrf_evsel *pevsel,
508 PyObject *args, PyObject *kwargs)
510 struct perf_event_attr attr = {
511 .type = PERF_TYPE_HARDWARE,
512 .config = PERF_COUNT_HW_CPU_CYCLES,
513 .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID,
515 static char *kwlist[] = {
546 u64 sample_period = 0;
567 if (!PyArg_ParseTupleAndKeywords(args, kwargs,
568 "|iKiKKiiiiiiiiiiiiiiiiiiiiiKK", kwlist,
569 &attr.type, &attr.config, &attr.sample_freq,
570 &sample_period, &attr.sample_type,
571 &attr.read_format, &disabled, &inherit,
572 &pinned, &exclusive, &exclude_user,
573 &exclude_kernel, &exclude_hv, &exclude_idle,
574 &mmap, &comm, &freq, &inherit_stat,
575 &enable_on_exec, &task, &watermark,
576 &precise_ip, &mmap_data, &sample_id_all,
577 &attr.wakeup_events, &attr.bp_type,
578 &attr.bp_addr, &attr.bp_len, &idx))
582 if (sample_period != 0) {
583 if (attr.sample_freq != 0)
584 return -1; /* FIXME: throw right exception */
585 attr.sample_period = sample_period;
589 attr.disabled = disabled;
590 attr.inherit = inherit;
591 attr.pinned = pinned;
592 attr.exclusive = exclusive;
593 attr.exclude_user = exclude_user;
594 attr.exclude_kernel = exclude_kernel;
595 attr.exclude_hv = exclude_hv;
596 attr.exclude_idle = exclude_idle;
600 attr.inherit_stat = inherit_stat;
601 attr.enable_on_exec = enable_on_exec;
603 attr.watermark = watermark;
604 attr.precise_ip = precise_ip;
605 attr.mmap_data = mmap_data;
606 attr.sample_id_all = sample_id_all;
608 perf_evsel__init(&pevsel->evsel, &attr, idx);
612 static void pyrf_evsel__delete(struct pyrf_evsel *pevsel)
614 perf_evsel__exit(&pevsel->evsel);
615 pevsel->ob_type->tp_free((PyObject*)pevsel);
618 static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
619 PyObject *args, PyObject *kwargs)
621 struct perf_evsel *evsel = &pevsel->evsel;
622 struct cpu_map *cpus = NULL;
623 struct thread_map *threads = NULL;
624 PyObject *pcpus = NULL, *pthreads = NULL;
625 int group = 0, inherit = 0;
626 static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL };
628 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist,
629 &pcpus, &pthreads, &group, &inherit))
632 if (pthreads != NULL)
633 threads = ((struct pyrf_thread_map *)pthreads)->threads;
636 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
638 evsel->attr.inherit = inherit;
640 * This will group just the fds for this single evsel, to group
641 * multiple events, use evlist.open().
643 if (perf_evsel__open(evsel, cpus, threads) < 0) {
644 PyErr_SetFromErrno(PyExc_OSError);
652 static PyMethodDef pyrf_evsel__methods[] = {
655 .ml_meth = (PyCFunction)pyrf_evsel__open,
656 .ml_flags = METH_VARARGS | METH_KEYWORDS,
657 .ml_doc = PyDoc_STR("open the event selector file descriptor table.")
662 static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object.");
664 static PyTypeObject pyrf_evsel__type = {
665 PyVarObject_HEAD_INIT(NULL, 0)
666 .tp_name = "perf.evsel",
667 .tp_basicsize = sizeof(struct pyrf_evsel),
668 .tp_dealloc = (destructor)pyrf_evsel__delete,
669 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
670 .tp_doc = pyrf_evsel__doc,
671 .tp_methods = pyrf_evsel__methods,
672 .tp_init = (initproc)pyrf_evsel__init,
675 static int pyrf_evsel__setup_types(void)
677 pyrf_evsel__type.tp_new = PyType_GenericNew;
678 return PyType_Ready(&pyrf_evsel__type);
684 struct perf_evlist evlist;
687 static int pyrf_evlist__init(struct pyrf_evlist *pevlist,
688 PyObject *args, PyObject *kwargs __maybe_unused)
690 PyObject *pcpus = NULL, *pthreads = NULL;
691 struct cpu_map *cpus;
692 struct thread_map *threads;
694 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads))
697 threads = ((struct pyrf_thread_map *)pthreads)->threads;
698 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
699 perf_evlist__init(&pevlist->evlist, cpus, threads);
703 static void pyrf_evlist__delete(struct pyrf_evlist *pevlist)
705 perf_evlist__exit(&pevlist->evlist);
706 pevlist->ob_type->tp_free((PyObject*)pevlist);
709 static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist,
710 PyObject *args, PyObject *kwargs)
712 struct perf_evlist *evlist = &pevlist->evlist;
713 static char *kwlist[] = { "pages", "overwrite", NULL };
714 int pages = 128, overwrite = false;
716 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist,
720 if (perf_evlist__mmap(evlist, pages, overwrite) < 0) {
721 PyErr_SetFromErrno(PyExc_OSError);
729 static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,
730 PyObject *args, PyObject *kwargs)
732 struct perf_evlist *evlist = &pevlist->evlist;
733 static char *kwlist[] = { "timeout", NULL };
736 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout))
739 n = poll(evlist->pollfd, evlist->nr_fds, timeout);
741 PyErr_SetFromErrno(PyExc_OSError);
745 return Py_BuildValue("i", n);
748 static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
749 PyObject *args __maybe_unused,
750 PyObject *kwargs __maybe_unused)
752 struct perf_evlist *evlist = &pevlist->evlist;
753 PyObject *list = PyList_New(0);
756 for (i = 0; i < evlist->nr_fds; ++i) {
758 FILE *fp = fdopen(evlist->pollfd[i].fd, "r");
763 file = PyFile_FromFile(fp, "perf", "r", NULL);
767 if (PyList_Append(list, file) != 0) {
777 return PyErr_NoMemory();
781 static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,
783 PyObject *kwargs __maybe_unused)
785 struct perf_evlist *evlist = &pevlist->evlist;
787 struct perf_evsel *evsel;
789 if (!PyArg_ParseTuple(args, "O", &pevsel))
793 evsel = &((struct pyrf_evsel *)pevsel)->evsel;
794 evsel->idx = evlist->nr_entries;
795 perf_evlist__add(evlist, evsel);
797 return Py_BuildValue("i", evlist->nr_entries);
800 static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
801 PyObject *args, PyObject *kwargs)
803 struct perf_evlist *evlist = &pevlist->evlist;
804 union perf_event *event;
805 int sample_id_all = 1, cpu;
806 static char *kwlist[] = { "cpu", "sample_id_all", NULL };
809 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
810 &cpu, &sample_id_all))
813 event = perf_evlist__mmap_read(evlist, cpu);
815 PyObject *pyevent = pyrf_event__new(event);
816 struct pyrf_event *pevent = (struct pyrf_event *)pyevent;
818 perf_evlist__mmap_consume(evlist, cpu);
821 return PyErr_NoMemory();
823 err = perf_evlist__parse_sample(evlist, event, &pevent->sample);
825 return PyErr_Format(PyExc_OSError,
826 "perf: can't parse sample, err=%d", err);
834 static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist,
835 PyObject *args, PyObject *kwargs)
837 struct perf_evlist *evlist = &pevlist->evlist;
839 static char *kwlist[] = { "group", NULL };
841 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group))
845 perf_evlist__set_leader(evlist);
847 if (perf_evlist__open(evlist) < 0) {
848 PyErr_SetFromErrno(PyExc_OSError);
856 static PyMethodDef pyrf_evlist__methods[] = {
859 .ml_meth = (PyCFunction)pyrf_evlist__mmap,
860 .ml_flags = METH_VARARGS | METH_KEYWORDS,
861 .ml_doc = PyDoc_STR("mmap the file descriptor table.")
865 .ml_meth = (PyCFunction)pyrf_evlist__open,
866 .ml_flags = METH_VARARGS | METH_KEYWORDS,
867 .ml_doc = PyDoc_STR("open the file descriptors.")
871 .ml_meth = (PyCFunction)pyrf_evlist__poll,
872 .ml_flags = METH_VARARGS | METH_KEYWORDS,
873 .ml_doc = PyDoc_STR("poll the file descriptor table.")
876 .ml_name = "get_pollfd",
877 .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd,
878 .ml_flags = METH_VARARGS | METH_KEYWORDS,
879 .ml_doc = PyDoc_STR("get the poll file descriptor table.")
883 .ml_meth = (PyCFunction)pyrf_evlist__add,
884 .ml_flags = METH_VARARGS | METH_KEYWORDS,
885 .ml_doc = PyDoc_STR("adds an event selector to the list.")
888 .ml_name = "read_on_cpu",
889 .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu,
890 .ml_flags = METH_VARARGS | METH_KEYWORDS,
891 .ml_doc = PyDoc_STR("reads an event.")
896 static Py_ssize_t pyrf_evlist__length(PyObject *obj)
898 struct pyrf_evlist *pevlist = (void *)obj;
900 return pevlist->evlist.nr_entries;
903 static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i)
905 struct pyrf_evlist *pevlist = (void *)obj;
906 struct perf_evsel *pos;
908 if (i >= pevlist->evlist.nr_entries)
911 evlist__for_each(&pevlist->evlist, pos) {
916 return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel));
919 static PySequenceMethods pyrf_evlist__sequence_methods = {
920 .sq_length = pyrf_evlist__length,
921 .sq_item = pyrf_evlist__item,
924 static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object.");
926 static PyTypeObject pyrf_evlist__type = {
927 PyVarObject_HEAD_INIT(NULL, 0)
928 .tp_name = "perf.evlist",
929 .tp_basicsize = sizeof(struct pyrf_evlist),
930 .tp_dealloc = (destructor)pyrf_evlist__delete,
931 .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
932 .tp_as_sequence = &pyrf_evlist__sequence_methods,
933 .tp_doc = pyrf_evlist__doc,
934 .tp_methods = pyrf_evlist__methods,
935 .tp_init = (initproc)pyrf_evlist__init,
938 static int pyrf_evlist__setup_types(void)
940 pyrf_evlist__type.tp_new = PyType_GenericNew;
941 return PyType_Ready(&pyrf_evlist__type);
947 } perf__constants[] = {
948 { "TYPE_HARDWARE", PERF_TYPE_HARDWARE },
949 { "TYPE_SOFTWARE", PERF_TYPE_SOFTWARE },
950 { "TYPE_TRACEPOINT", PERF_TYPE_TRACEPOINT },
951 { "TYPE_HW_CACHE", PERF_TYPE_HW_CACHE },
952 { "TYPE_RAW", PERF_TYPE_RAW },
953 { "TYPE_BREAKPOINT", PERF_TYPE_BREAKPOINT },
955 { "COUNT_HW_CPU_CYCLES", PERF_COUNT_HW_CPU_CYCLES },
956 { "COUNT_HW_INSTRUCTIONS", PERF_COUNT_HW_INSTRUCTIONS },
957 { "COUNT_HW_CACHE_REFERENCES", PERF_COUNT_HW_CACHE_REFERENCES },
958 { "COUNT_HW_CACHE_MISSES", PERF_COUNT_HW_CACHE_MISSES },
959 { "COUNT_HW_BRANCH_INSTRUCTIONS", PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
960 { "COUNT_HW_BRANCH_MISSES", PERF_COUNT_HW_BRANCH_MISSES },
961 { "COUNT_HW_BUS_CYCLES", PERF_COUNT_HW_BUS_CYCLES },
962 { "COUNT_HW_CACHE_L1D", PERF_COUNT_HW_CACHE_L1D },
963 { "COUNT_HW_CACHE_L1I", PERF_COUNT_HW_CACHE_L1I },
964 { "COUNT_HW_CACHE_LL", PERF_COUNT_HW_CACHE_LL },
965 { "COUNT_HW_CACHE_DTLB", PERF_COUNT_HW_CACHE_DTLB },
966 { "COUNT_HW_CACHE_ITLB", PERF_COUNT_HW_CACHE_ITLB },
967 { "COUNT_HW_CACHE_BPU", PERF_COUNT_HW_CACHE_BPU },
968 { "COUNT_HW_CACHE_OP_READ", PERF_COUNT_HW_CACHE_OP_READ },
969 { "COUNT_HW_CACHE_OP_WRITE", PERF_COUNT_HW_CACHE_OP_WRITE },
970 { "COUNT_HW_CACHE_OP_PREFETCH", PERF_COUNT_HW_CACHE_OP_PREFETCH },
971 { "COUNT_HW_CACHE_RESULT_ACCESS", PERF_COUNT_HW_CACHE_RESULT_ACCESS },
972 { "COUNT_HW_CACHE_RESULT_MISS", PERF_COUNT_HW_CACHE_RESULT_MISS },
974 { "COUNT_HW_STALLED_CYCLES_FRONTEND", PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
975 { "COUNT_HW_STALLED_CYCLES_BACKEND", PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
977 { "COUNT_SW_CPU_CLOCK", PERF_COUNT_SW_CPU_CLOCK },
978 { "COUNT_SW_TASK_CLOCK", PERF_COUNT_SW_TASK_CLOCK },
979 { "COUNT_SW_PAGE_FAULTS", PERF_COUNT_SW_PAGE_FAULTS },
980 { "COUNT_SW_CONTEXT_SWITCHES", PERF_COUNT_SW_CONTEXT_SWITCHES },
981 { "COUNT_SW_CPU_MIGRATIONS", PERF_COUNT_SW_CPU_MIGRATIONS },
982 { "COUNT_SW_PAGE_FAULTS_MIN", PERF_COUNT_SW_PAGE_FAULTS_MIN },
983 { "COUNT_SW_PAGE_FAULTS_MAJ", PERF_COUNT_SW_PAGE_FAULTS_MAJ },
984 { "COUNT_SW_ALIGNMENT_FAULTS", PERF_COUNT_SW_ALIGNMENT_FAULTS },
985 { "COUNT_SW_EMULATION_FAULTS", PERF_COUNT_SW_EMULATION_FAULTS },
986 { "COUNT_SW_DUMMY", PERF_COUNT_SW_DUMMY },
988 { "SAMPLE_IP", PERF_SAMPLE_IP },
989 { "SAMPLE_TID", PERF_SAMPLE_TID },
990 { "SAMPLE_TIME", PERF_SAMPLE_TIME },
991 { "SAMPLE_ADDR", PERF_SAMPLE_ADDR },
992 { "SAMPLE_READ", PERF_SAMPLE_READ },
993 { "SAMPLE_CALLCHAIN", PERF_SAMPLE_CALLCHAIN },
994 { "SAMPLE_ID", PERF_SAMPLE_ID },
995 { "SAMPLE_CPU", PERF_SAMPLE_CPU },
996 { "SAMPLE_PERIOD", PERF_SAMPLE_PERIOD },
997 { "SAMPLE_STREAM_ID", PERF_SAMPLE_STREAM_ID },
998 { "SAMPLE_RAW", PERF_SAMPLE_RAW },
1000 { "FORMAT_TOTAL_TIME_ENABLED", PERF_FORMAT_TOTAL_TIME_ENABLED },
1001 { "FORMAT_TOTAL_TIME_RUNNING", PERF_FORMAT_TOTAL_TIME_RUNNING },
1002 { "FORMAT_ID", PERF_FORMAT_ID },
1003 { "FORMAT_GROUP", PERF_FORMAT_GROUP },
1005 { "RECORD_MMAP", PERF_RECORD_MMAP },
1006 { "RECORD_LOST", PERF_RECORD_LOST },
1007 { "RECORD_COMM", PERF_RECORD_COMM },
1008 { "RECORD_EXIT", PERF_RECORD_EXIT },
1009 { "RECORD_THROTTLE", PERF_RECORD_THROTTLE },
1010 { "RECORD_UNTHROTTLE", PERF_RECORD_UNTHROTTLE },
1011 { "RECORD_FORK", PERF_RECORD_FORK },
1012 { "RECORD_READ", PERF_RECORD_READ },
1013 { "RECORD_SAMPLE", PERF_RECORD_SAMPLE },
1017 static PyMethodDef perf__methods[] = {
1018 { .ml_name = NULL, }
1021 PyMODINIT_FUNC initperf(void)
1025 PyObject *dict, *module = Py_InitModule("perf", perf__methods);
1027 if (module == NULL ||
1028 pyrf_event__setup_types() < 0 ||
1029 pyrf_evlist__setup_types() < 0 ||
1030 pyrf_evsel__setup_types() < 0 ||
1031 pyrf_thread_map__setup_types() < 0 ||
1032 pyrf_cpu_map__setup_types() < 0)
1035 /* The page_size is placed in util object. */
1036 page_size = sysconf(_SC_PAGE_SIZE);
1038 Py_INCREF(&pyrf_evlist__type);
1039 PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type);
1041 Py_INCREF(&pyrf_evsel__type);
1042 PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type);
1044 Py_INCREF(&pyrf_thread_map__type);
1045 PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type);
1047 Py_INCREF(&pyrf_cpu_map__type);
1048 PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type);
1050 dict = PyModule_GetDict(module);
1054 for (i = 0; perf__constants[i].name != NULL; i++) {
1055 obj = PyInt_FromLong(perf__constants[i].value);
1058 PyDict_SetItemString(dict, perf__constants[i].name, obj);
1063 if (PyErr_Occurred())
1064 PyErr_SetString(PyExc_ImportError, "perf: Init failed!");
1068 * Dummy, to avoid dragging all the test_attr infrastructure in the python
1071 void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
1072 int fd, int group_fd, unsigned long flags)