| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Arnaldo Carvalho de Melo | 5356 | 80.76% | 20 | 40.00% |
| Jiri Olsa | 879 | 13.25% | 13 | 26.00% |
| Jaroslav Škarvada | 250 | 3.77% | 1 | 2.00% |
| Adrian Hunter | 62 | 0.93% | 2 | 4.00% |
| Frédéric Weisbecker | 31 | 0.47% | 4 | 8.00% |
| Kan Liang | 28 | 0.42% | 1 | 2.00% |
| Tzvetomir Stoyanov (VMware) | 12 | 0.18% | 5 | 10.00% |
| Petr Machata | 7 | 0.11% | 1 | 2.00% |
| Irina Tirdea | 4 | 0.06% | 1 | 2.00% |
| Tzvetomir Stoyanov | 2 | 0.03% | 1 | 2.00% |
| Greg Kroah-Hartman | 1 | 0.02% | 1 | 2.00% |
| Total | 6632 | 50 |
// SPDX-License-Identifier: GPL-2.0 #include <Python.h> #include <structmember.h> #include <inttypes.h> #include <poll.h> #include <linux/err.h> #include "evlist.h" #include "callchain.h" #include "evsel.h" #include "event.h" #include "cpumap.h" #include "print_binary.h" #include "thread_map.h" #include "mmap.h" #if PY_MAJOR_VERSION < 3 #define _PyUnicode_FromString(arg) \ PyString_FromString(arg) #define _PyUnicode_AsString(arg) \ PyString_AsString(arg) #define _PyUnicode_FromFormat(...) \ PyString_FromFormat(__VA_ARGS__) #define _PyLong_FromLong(arg) \ PyInt_FromLong(arg) #else #define _PyUnicode_FromString(arg) \ PyUnicode_FromString(arg) #define _PyUnicode_FromFormat(...) \ PyUnicode_FromFormat(__VA_ARGS__) #define _PyLong_FromLong(arg) \ PyLong_FromLong(arg) #endif #ifndef Py_TYPE #define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) #endif /* * Provide these two so that we don't have to link against callchain.c and * start dragging hist.c, etc. */ struct callchain_param callchain_param; int parse_callchain_record(const char *arg __maybe_unused, struct callchain_param *param __maybe_unused) { return 0; } /* * Support debug printing even though util/debug.c is not linked. That means * implementing 'verbose' and 'eprintf'. */ int verbose; int eprintf(int level, int var, const char *fmt, ...) { va_list args; int ret = 0; if (var >= level) { va_start(args, fmt); ret = vfprintf(stderr, fmt, args); va_end(args); } return ret; } /* Define PyVarObject_HEAD_INIT for python 2.5 */ #ifndef PyVarObject_HEAD_INIT # define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, #endif #if PY_MAJOR_VERSION < 3 PyMODINIT_FUNC initperf(void); #else PyMODINIT_FUNC PyInit_perf(void); #endif #define member_def(type, member, ptype, help) \ { #member, ptype, \ offsetof(struct pyrf_event, event) + offsetof(struct type, member), \ 0, help } #define sample_member_def(name, member, ptype, help) \ { #name, ptype, \ offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \ 0, help } struct pyrf_event { PyObject_HEAD struct perf_evsel *evsel; struct perf_sample sample; union perf_event event; }; #define sample_members \ sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \ sample_member_def(sample_pid, pid, T_INT, "event pid"), \ sample_member_def(sample_tid, tid, T_INT, "event tid"), \ sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \ sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \ sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \ sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \ sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \ sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"), static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object."); static PyMemberDef pyrf_mmap_event__members[] = { sample_members member_def(perf_event_header, type, T_UINT, "event type"), member_def(perf_event_header, misc, T_UINT, "event misc"), member_def(mmap_event, pid, T_UINT, "event pid"), member_def(mmap_event, tid, T_UINT, "event tid"), member_def(mmap_event, start, T_ULONGLONG, "start of the map"), member_def(mmap_event, len, T_ULONGLONG, "map length"), member_def(mmap_event, pgoff, T_ULONGLONG, "page offset"), member_def(mmap_event, filename, T_STRING_INPLACE, "backing store"), { .name = NULL, }, }; static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) { PyObject *ret; char *s; if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRIx64 ", " "length: %#" PRIx64 ", offset: %#" PRIx64 ", " "filename: %s }", pevent->event.mmap.pid, pevent->event.mmap.tid, pevent->event.mmap.start, pevent->event.mmap.len, pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) { ret = PyErr_NoMemory(); } else { ret = _PyUnicode_FromString(s); free(s); } return ret; } static PyTypeObject pyrf_mmap_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.mmap_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_mmap_event__doc, .tp_members = pyrf_mmap_event__members, .tp_repr = (reprfunc)pyrf_mmap_event__repr, }; static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); static PyMemberDef pyrf_task_event__members[] = { sample_members member_def(perf_event_header, type, T_UINT, "event type"), member_def(fork_event, pid, T_UINT, "event pid"), member_def(fork_event, ppid, T_UINT, "event ppid"), member_def(fork_event, tid, T_UINT, "event tid"), member_def(fork_event, ptid, T_UINT, "event ptid"), member_def(fork_event, time, T_ULONGLONG, "timestamp"), { .name = NULL, }, }; static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) { return _PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " "ptid: %u, time: %" PRIu64 "}", pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit", pevent->event.fork.pid, pevent->event.fork.ppid, pevent->event.fork.tid, pevent->event.fork.ptid, pevent->event.fork.time); } static PyTypeObject pyrf_task_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.task_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_task_event__doc, .tp_members = pyrf_task_event__members, .tp_repr = (reprfunc)pyrf_task_event__repr, }; static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object."); static PyMemberDef pyrf_comm_event__members[] = { sample_members member_def(perf_event_header, type, T_UINT, "event type"), member_def(comm_event, pid, T_UINT, "event pid"), member_def(comm_event, tid, T_UINT, "event tid"), member_def(comm_event, comm, T_STRING_INPLACE, "process name"), { .name = NULL, }, }; static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) { return _PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", pevent->event.comm.pid, pevent->event.comm.tid, pevent->event.comm.comm); } static PyTypeObject pyrf_comm_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.comm_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_comm_event__doc, .tp_members = pyrf_comm_event__members, .tp_repr = (reprfunc)pyrf_comm_event__repr, }; static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object."); static PyMemberDef pyrf_throttle_event__members[] = { sample_members member_def(perf_event_header, type, T_UINT, "event type"), member_def(throttle_event, time, T_ULONGLONG, "timestamp"), member_def(throttle_event, id, T_ULONGLONG, "event id"), member_def(throttle_event, stream_id, T_ULONGLONG, "event stream id"), { .name = NULL, }, }; static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) { struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1); return _PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64 ", stream_id: %" PRIu64 " }", pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un", te->time, te->id, te->stream_id); } static PyTypeObject pyrf_throttle_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.throttle_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_throttle_event__doc, .tp_members = pyrf_throttle_event__members, .tp_repr = (reprfunc)pyrf_throttle_event__repr, }; static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object."); static PyMemberDef pyrf_lost_event__members[] = { sample_members member_def(lost_event, id, T_ULONGLONG, "event id"), member_def(lost_event, lost, T_ULONGLONG, "number of lost events"), { .name = NULL, }, }; static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) { PyObject *ret; char *s; if (asprintf(&s, "{ type: lost, id: %#" PRIx64 ", " "lost: %#" PRIx64 " }", pevent->event.lost.id, pevent->event.lost.lost) < 0) { ret = PyErr_NoMemory(); } else { ret = _PyUnicode_FromString(s); free(s); } return ret; } static PyTypeObject pyrf_lost_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.lost_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_lost_event__doc, .tp_members = pyrf_lost_event__members, .tp_repr = (reprfunc)pyrf_lost_event__repr, }; static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object."); static PyMemberDef pyrf_read_event__members[] = { sample_members member_def(read_event, pid, T_UINT, "event pid"), member_def(read_event, tid, T_UINT, "event tid"), { .name = NULL, }, }; static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) { return _PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }", pevent->event.read.pid, pevent->event.read.tid); /* * FIXME: return the array of read values, * making this method useful ;-) */ } static PyTypeObject pyrf_read_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.read_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_read_event__doc, .tp_members = pyrf_read_event__members, .tp_repr = (reprfunc)pyrf_read_event__repr, }; static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object."); static PyMemberDef pyrf_sample_event__members[] = { sample_members member_def(perf_event_header, type, T_UINT, "event type"), { .name = NULL, }, }; static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) { PyObject *ret; char *s; if (asprintf(&s, "{ type: sample }") < 0) { ret = PyErr_NoMemory(); } else { ret = _PyUnicode_FromString(s); free(s); } return ret; } static bool is_tracepoint(struct pyrf_event *pevent) { return pevent->evsel->attr.type == PERF_TYPE_TRACEPOINT; } static PyObject* tracepoint_field(struct pyrf_event *pe, struct tep_format_field *field) { struct tep_handle *pevent = field->event->pevent; void *data = pe->sample.raw_data; PyObject *ret = NULL; unsigned long long val; unsigned int offset, len; if (field->flags & TEP_FIELD_IS_ARRAY) { offset = field->offset; len = field->size; if (field->flags & TEP_FIELD_IS_DYNAMIC) { val = tep_read_number(pevent, data + offset, len); offset = val; len = offset >> 16; offset &= 0xffff; } if (field->flags & TEP_FIELD_IS_STRING && is_printable_array(data + offset, len)) { ret = _PyUnicode_FromString((char *)data + offset); } else { ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); field->flags &= ~TEP_FIELD_IS_STRING; } } else { val = tep_read_number(pevent, data + field->offset, field->size); if (field->flags & TEP_FIELD_IS_POINTER) ret = PyLong_FromUnsignedLong((unsigned long) val); else if (field->flags & TEP_FIELD_IS_SIGNED) ret = PyLong_FromLong((long) val); else ret = PyLong_FromUnsignedLong((unsigned long) val); } return ret; } static PyObject* get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) { const char *str = _PyUnicode_AsString(PyObject_Str(attr_name)); struct perf_evsel *evsel = pevent->evsel; struct tep_format_field *field; if (!evsel->tp_format) { struct tep_event *tp_format; tp_format = trace_event__tp_format_id(evsel->attr.config); if (!tp_format) return NULL; evsel->tp_format = tp_format; } field = tep_find_any_field(evsel->tp_format, str); if (!field) return NULL; return tracepoint_field(pevent, field); } static PyObject* pyrf_sample_event__getattro(struct pyrf_event *pevent, PyObject *attr_name) { PyObject *obj = NULL; if (is_tracepoint(pevent)) obj = get_tracepoint_field(pevent, attr_name); return obj ?: PyObject_GenericGetAttr((PyObject *) pevent, attr_name); } static PyTypeObject pyrf_sample_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.sample_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_sample_event__doc, .tp_members = pyrf_sample_event__members, .tp_repr = (reprfunc)pyrf_sample_event__repr, .tp_getattro = (getattrofunc) pyrf_sample_event__getattro, }; static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); static PyMemberDef pyrf_context_switch_event__members[] = { sample_members member_def(perf_event_header, type, T_UINT, "event type"), member_def(context_switch_event, next_prev_pid, T_UINT, "next/prev pid"), member_def(context_switch_event, next_prev_tid, T_UINT, "next/prev tid"), { .name = NULL, }, }; static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) { PyObject *ret; char *s; if (asprintf(&s, "{ type: context_switch, next_prev_pid: %u, next_prev_tid: %u, switch_out: %u }", pevent->event.context_switch.next_prev_pid, pevent->event.context_switch.next_prev_tid, !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) { ret = PyErr_NoMemory(); } else { ret = _PyUnicode_FromString(s); free(s); } return ret; } static PyTypeObject pyrf_context_switch_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.context_switch_event", .tp_basicsize = sizeof(struct pyrf_event), .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_context_switch_event__doc, .tp_members = pyrf_context_switch_event__members, .tp_repr = (reprfunc)pyrf_context_switch_event__repr, }; static int pyrf_event__setup_types(void) { int err; pyrf_mmap_event__type.tp_new = pyrf_task_event__type.tp_new = pyrf_comm_event__type.tp_new = pyrf_lost_event__type.tp_new = pyrf_read_event__type.tp_new = pyrf_sample_event__type.tp_new = pyrf_context_switch_event__type.tp_new = pyrf_throttle_event__type.tp_new = PyType_GenericNew; err = PyType_Ready(&pyrf_mmap_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_lost_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_task_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_comm_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_throttle_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_read_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_sample_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_context_switch_event__type); if (err < 0) goto out; out: return err; } static PyTypeObject *pyrf_event__type[] = { [PERF_RECORD_MMAP] = &pyrf_mmap_event__type, [PERF_RECORD_LOST] = &pyrf_lost_event__type, [PERF_RECORD_COMM] = &pyrf_comm_event__type, [PERF_RECORD_EXIT] = &pyrf_task_event__type, [PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type, [PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type, [PERF_RECORD_FORK] = &pyrf_task_event__type, [PERF_RECORD_READ] = &pyrf_read_event__type, [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type, [PERF_RECORD_SWITCH] = &pyrf_context_switch_event__type, [PERF_RECORD_SWITCH_CPU_WIDE] = &pyrf_context_switch_event__type, }; static PyObject *pyrf_event__new(union perf_event *event) { struct pyrf_event *pevent; PyTypeObject *ptype; if ((event->header.type < PERF_RECORD_MMAP || event->header.type > PERF_RECORD_SAMPLE) && !(event->header.type == PERF_RECORD_SWITCH || event->header.type == PERF_RECORD_SWITCH_CPU_WIDE)) return NULL; ptype = pyrf_event__type[event->header.type]; pevent = PyObject_New(struct pyrf_event, ptype); if (pevent != NULL) memcpy(&pevent->event, event, event->header.size); return (PyObject *)pevent; } struct pyrf_cpu_map { PyObject_HEAD struct cpu_map *cpus; }; static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus, PyObject *args, PyObject *kwargs) { static char *kwlist[] = { "cpustr", NULL }; char *cpustr = NULL; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", kwlist, &cpustr)) return -1; pcpus->cpus = cpu_map__new(cpustr); if (pcpus->cpus == NULL) return -1; return 0; } static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus) { cpu_map__put(pcpus->cpus); Py_TYPE(pcpus)->tp_free((PyObject*)pcpus); } static Py_ssize_t pyrf_cpu_map__length(PyObject *obj) { struct pyrf_cpu_map *pcpus = (void *)obj; return pcpus->cpus->nr; } static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i) { struct pyrf_cpu_map *pcpus = (void *)obj; if (i >= pcpus->cpus->nr) return NULL; return Py_BuildValue("i", pcpus->cpus->map[i]); } static PySequenceMethods pyrf_cpu_map__sequence_methods = { .sq_length = pyrf_cpu_map__length, .sq_item = pyrf_cpu_map__item, }; static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object."); static PyTypeObject pyrf_cpu_map__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.cpu_map", .tp_basicsize = sizeof(struct pyrf_cpu_map), .tp_dealloc = (destructor)pyrf_cpu_map__delete, .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_cpu_map__doc, .tp_as_sequence = &pyrf_cpu_map__sequence_methods, .tp_init = (initproc)pyrf_cpu_map__init, }; static int pyrf_cpu_map__setup_types(void) { pyrf_cpu_map__type.tp_new = PyType_GenericNew; return PyType_Ready(&pyrf_cpu_map__type); } struct pyrf_thread_map { PyObject_HEAD struct thread_map *threads; }; static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, PyObject *args, PyObject *kwargs) { static char *kwlist[] = { "pid", "tid", "uid", NULL }; int pid = -1, tid = -1, uid = UINT_MAX; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii", kwlist, &pid, &tid, &uid)) return -1; pthreads->threads = thread_map__new(pid, tid, uid); if (pthreads->threads == NULL) return -1; return 0; } static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads) { thread_map__put(pthreads->threads); Py_TYPE(pthreads)->tp_free((PyObject*)pthreads); } static Py_ssize_t pyrf_thread_map__length(PyObject *obj) { struct pyrf_thread_map *pthreads = (void *)obj; return pthreads->threads->nr; } static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i) { struct pyrf_thread_map *pthreads = (void *)obj; if (i >= pthreads->threads->nr) return NULL; return Py_BuildValue("i", pthreads->threads->map[i]); } static PySequenceMethods pyrf_thread_map__sequence_methods = { .sq_length = pyrf_thread_map__length, .sq_item = pyrf_thread_map__item, }; static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object."); static PyTypeObject pyrf_thread_map__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.thread_map", .tp_basicsize = sizeof(struct pyrf_thread_map), .tp_dealloc = (destructor)pyrf_thread_map__delete, .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_thread_map__doc, .tp_as_sequence = &pyrf_thread_map__sequence_methods, .tp_init = (initproc)pyrf_thread_map__init, }; static int pyrf_thread_map__setup_types(void) { pyrf_thread_map__type.tp_new = PyType_GenericNew; return PyType_Ready(&pyrf_thread_map__type); } struct pyrf_evsel { PyObject_HEAD struct perf_evsel evsel; }; static int pyrf_evsel__init(struct pyrf_evsel *pevsel, PyObject *args, PyObject *kwargs) { struct perf_event_attr attr = { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES, .sample_type = PERF_SAMPLE_PERIOD | PERF_SAMPLE_TID, }; static char *kwlist[] = { "type", "config", "sample_freq", "sample_period", "sample_type", "read_format", "disabled", "inherit", "pinned", "exclusive", "exclude_user", "exclude_kernel", "exclude_hv", "exclude_idle", "mmap", "context_switch", "comm", "freq", "inherit_stat", "enable_on_exec", "task", "watermark", "precise_ip", "mmap_data", "sample_id_all", "wakeup_events", "bp_type", "bp_addr", "bp_len", NULL }; u64 sample_period = 0; u32 disabled = 0, inherit = 0, pinned = 0, exclusive = 0, exclude_user = 0, exclude_kernel = 0, exclude_hv = 0, exclude_idle = 0, mmap = 0, context_switch = 0, comm = 0, freq = 1, inherit_stat = 0, enable_on_exec = 0, task = 0, watermark = 0, precise_ip = 0, mmap_data = 0, sample_id_all = 1; int idx = 0; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iKiKKiiiiiiiiiiiiiiiiiiiiiiKK", kwlist, &attr.type, &attr.config, &attr.sample_freq, &sample_period, &attr.sample_type, &attr.read_format, &disabled, &inherit, &pinned, &exclusive, &exclude_user, &exclude_kernel, &exclude_hv, &exclude_idle, &mmap, &context_switch, &comm, &freq, &inherit_stat, &enable_on_exec, &task, &watermark, &precise_ip, &mmap_data, &sample_id_all, &attr.wakeup_events, &attr.bp_type, &attr.bp_addr, &attr.bp_len, &idx)) return -1; /* union... */ if (sample_period != 0) { if (attr.sample_freq != 0) return -1; /* FIXME: throw right exception */ attr.sample_period = sample_period; } /* Bitfields */ attr.disabled = disabled; attr.inherit = inherit; attr.pinned = pinned; attr.exclusive = exclusive; attr.exclude_user = exclude_user; attr.exclude_kernel = exclude_kernel; attr.exclude_hv = exclude_hv; attr.exclude_idle = exclude_idle; attr.mmap = mmap; attr.context_switch = context_switch; attr.comm = comm; attr.freq = freq; attr.inherit_stat = inherit_stat; attr.enable_on_exec = enable_on_exec; attr.task = task; attr.watermark = watermark; attr.precise_ip = precise_ip; attr.mmap_data = mmap_data; attr.sample_id_all = sample_id_all; attr.size = sizeof(attr); perf_evsel__init(&pevsel->evsel, &attr, idx); return 0; } static void pyrf_evsel__delete(struct pyrf_evsel *pevsel) { perf_evsel__exit(&pevsel->evsel); Py_TYPE(pevsel)->tp_free((PyObject*)pevsel); } static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel, PyObject *args, PyObject *kwargs) { struct perf_evsel *evsel = &pevsel->evsel; struct cpu_map *cpus = NULL; struct thread_map *threads = NULL; PyObject *pcpus = NULL, *pthreads = NULL; int group = 0, inherit = 0; static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL }; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &pcpus, &pthreads, &group, &inherit)) return NULL; if (pthreads != NULL) threads = ((struct pyrf_thread_map *)pthreads)->threads; if (pcpus != NULL) cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; evsel->attr.inherit = inherit; /* * This will group just the fds for this single evsel, to group * multiple events, use evlist.open(). */ if (perf_evsel__open(evsel, cpus, threads) < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } Py_INCREF(Py_None); return Py_None; } static PyMethodDef pyrf_evsel__methods[] = { { .ml_name = "open", .ml_meth = (PyCFunction)pyrf_evsel__open, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("open the event selector file descriptor table.") }, { .ml_name = NULL, } }; static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object."); static PyTypeObject pyrf_evsel__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.evsel", .tp_basicsize = sizeof(struct pyrf_evsel), .tp_dealloc = (destructor)pyrf_evsel__delete, .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_doc = pyrf_evsel__doc, .tp_methods = pyrf_evsel__methods, .tp_init = (initproc)pyrf_evsel__init, }; static int pyrf_evsel__setup_types(void) { pyrf_evsel__type.tp_new = PyType_GenericNew; return PyType_Ready(&pyrf_evsel__type); } struct pyrf_evlist { PyObject_HEAD struct perf_evlist evlist; }; static int pyrf_evlist__init(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs __maybe_unused) { PyObject *pcpus = NULL, *pthreads = NULL; struct cpu_map *cpus; struct thread_map *threads; if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads)) return -1; threads = ((struct pyrf_thread_map *)pthreads)->threads; cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; perf_evlist__init(&pevlist->evlist, cpus, threads); return 0; } static void pyrf_evlist__delete(struct pyrf_evlist *pevlist) { perf_evlist__exit(&pevlist->evlist); Py_TYPE(pevlist)->tp_free((PyObject*)pevlist); } static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; static char *kwlist[] = { "pages", "overwrite", NULL }; int pages = 128, overwrite = false; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist, &pages, &overwrite)) return NULL; if (perf_evlist__mmap(evlist, pages) < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } Py_INCREF(Py_None); return Py_None; } static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; static char *kwlist[] = { "timeout", NULL }; int timeout = -1, n; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout)) return NULL; n = perf_evlist__poll(evlist, timeout); if (n < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } return Py_BuildValue("i", n); } static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist, PyObject *args __maybe_unused, PyObject *kwargs __maybe_unused) { struct perf_evlist *evlist = &pevlist->evlist; PyObject *list = PyList_New(0); int i; for (i = 0; i < evlist->pollfd.nr; ++i) { PyObject *file; #if PY_MAJOR_VERSION < 3 FILE *fp = fdopen(evlist->pollfd.entries[i].fd, "r"); if (fp == NULL) goto free_list; file = PyFile_FromFile(fp, "perf", "r", NULL); #else file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1, NULL, NULL, NULL, 0); #endif if (file == NULL) goto free_list; if (PyList_Append(list, file) != 0) { Py_DECREF(file); goto free_list; } Py_DECREF(file); } return list; free_list: return PyErr_NoMemory(); } static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs __maybe_unused) { struct perf_evlist *evlist = &pevlist->evlist; PyObject *pevsel; struct perf_evsel *evsel; if (!PyArg_ParseTuple(args, "O", &pevsel)) return NULL; Py_INCREF(pevsel); evsel = &((struct pyrf_evsel *)pevsel)->evsel; evsel->idx = evlist->nr_entries; perf_evlist__add(evlist, evsel); return Py_BuildValue("i", evlist->nr_entries); } static struct perf_mmap *get_md(struct perf_evlist *evlist, int cpu) { int i; for (i = 0; i < evlist->nr_mmaps; i++) { struct perf_mmap *md = &evlist->mmap[i]; if (md->cpu == cpu) return md; } return NULL; } static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; union perf_event *event; int sample_id_all = 1, cpu; static char *kwlist[] = { "cpu", "sample_id_all", NULL }; struct perf_mmap *md; int err; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist, &cpu, &sample_id_all)) return NULL; md = get_md(evlist, cpu); if (!md) return NULL; if (perf_mmap__read_init(md) < 0) goto end; event = perf_mmap__read_event(md); if (event != NULL) { PyObject *pyevent = pyrf_event__new(event); struct pyrf_event *pevent = (struct pyrf_event *)pyevent; struct perf_evsel *evsel; if (pyevent == NULL) return PyErr_NoMemory(); evsel = perf_evlist__event2evsel(evlist, event); if (!evsel) { Py_INCREF(Py_None); return Py_None; } pevent->evsel = evsel; err = perf_evsel__parse_sample(evsel, event, &pevent->sample); /* Consume the even only after we parsed it out. */ perf_mmap__consume(md); if (err) return PyErr_Format(PyExc_OSError, "perf: can't parse sample, err=%d", err); return pyevent; } end: Py_INCREF(Py_None); return Py_None; } static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; int group = 0; static char *kwlist[] = { "group", NULL }; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group)) return NULL; if (group) perf_evlist__set_leader(evlist); if (perf_evlist__open(evlist) < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } Py_INCREF(Py_None); return Py_None; } static PyMethodDef pyrf_evlist__methods[] = { { .ml_name = "mmap", .ml_meth = (PyCFunction)pyrf_evlist__mmap, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("mmap the file descriptor table.") }, { .ml_name = "open", .ml_meth = (PyCFunction)pyrf_evlist__open, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("open the file descriptors.") }, { .ml_name = "poll", .ml_meth = (PyCFunction)pyrf_evlist__poll, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("poll the file descriptor table.") }, { .ml_name = "get_pollfd", .ml_meth = (PyCFunction)pyrf_evlist__get_pollfd, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("get the poll file descriptor table.") }, { .ml_name = "add", .ml_meth = (PyCFunction)pyrf_evlist__add, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("adds an event selector to the list.") }, { .ml_name = "read_on_cpu", .ml_meth = (PyCFunction)pyrf_evlist__read_on_cpu, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("reads an event.") }, { .ml_name = NULL, } }; static Py_ssize_t pyrf_evlist__length(PyObject *obj) { struct pyrf_evlist *pevlist = (void *)obj; return pevlist->evlist.nr_entries; } static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) { struct pyrf_evlist *pevlist = (void *)obj; struct perf_evsel *pos; if (i >= pevlist->evlist.nr_entries) return NULL; evlist__for_each_entry(&pevlist->evlist, pos) { if (i-- == 0) break; } return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel)); } static PySequenceMethods pyrf_evlist__sequence_methods = { .sq_length = pyrf_evlist__length, .sq_item = pyrf_evlist__item, }; static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object."); static PyTypeObject pyrf_evlist__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.evlist", .tp_basicsize = sizeof(struct pyrf_evlist), .tp_dealloc = (destructor)pyrf_evlist__delete, .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, .tp_as_sequence = &pyrf_evlist__sequence_methods, .tp_doc = pyrf_evlist__doc, .tp_methods = pyrf_evlist__methods, .tp_init = (initproc)pyrf_evlist__init, }; static int pyrf_evlist__setup_types(void) { pyrf_evlist__type.tp_new = PyType_GenericNew; return PyType_Ready(&pyrf_evlist__type); } #define PERF_CONST(name) { #name, PERF_##name } static struct { const char *name; int value; } perf__constants[] = { PERF_CONST(TYPE_HARDWARE), PERF_CONST(TYPE_SOFTWARE), PERF_CONST(TYPE_TRACEPOINT), PERF_CONST(TYPE_HW_CACHE), PERF_CONST(TYPE_RAW), PERF_CONST(TYPE_BREAKPOINT), PERF_CONST(COUNT_HW_CPU_CYCLES), PERF_CONST(COUNT_HW_INSTRUCTIONS), PERF_CONST(COUNT_HW_CACHE_REFERENCES), PERF_CONST(COUNT_HW_CACHE_MISSES), PERF_CONST(COUNT_HW_BRANCH_INSTRUCTIONS), PERF_CONST(COUNT_HW_BRANCH_MISSES), PERF_CONST(COUNT_HW_BUS_CYCLES), PERF_CONST(COUNT_HW_CACHE_L1D), PERF_CONST(COUNT_HW_CACHE_L1I), PERF_CONST(COUNT_HW_CACHE_LL), PERF_CONST(COUNT_HW_CACHE_DTLB), PERF_CONST(COUNT_HW_CACHE_ITLB), PERF_CONST(COUNT_HW_CACHE_BPU), PERF_CONST(COUNT_HW_CACHE_OP_READ), PERF_CONST(COUNT_HW_CACHE_OP_WRITE), PERF_CONST(COUNT_HW_CACHE_OP_PREFETCH), PERF_CONST(COUNT_HW_CACHE_RESULT_ACCESS), PERF_CONST(COUNT_HW_CACHE_RESULT_MISS), PERF_CONST(COUNT_HW_STALLED_CYCLES_FRONTEND), PERF_CONST(COUNT_HW_STALLED_CYCLES_BACKEND), PERF_CONST(COUNT_SW_CPU_CLOCK), PERF_CONST(COUNT_SW_TASK_CLOCK), PERF_CONST(COUNT_SW_PAGE_FAULTS), PERF_CONST(COUNT_SW_CONTEXT_SWITCHES), PERF_CONST(COUNT_SW_CPU_MIGRATIONS), PERF_CONST(COUNT_SW_PAGE_FAULTS_MIN), PERF_CONST(COUNT_SW_PAGE_FAULTS_MAJ), PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS), PERF_CONST(COUNT_SW_EMULATION_FAULTS), PERF_CONST(COUNT_SW_DUMMY), PERF_CONST(SAMPLE_IP), PERF_CONST(SAMPLE_TID), PERF_CONST(SAMPLE_TIME), PERF_CONST(SAMPLE_ADDR), PERF_CONST(SAMPLE_READ), PERF_CONST(SAMPLE_CALLCHAIN), PERF_CONST(SAMPLE_ID), PERF_CONST(SAMPLE_CPU), PERF_CONST(SAMPLE_PERIOD), PERF_CONST(SAMPLE_STREAM_ID), PERF_CONST(SAMPLE_RAW), PERF_CONST(FORMAT_TOTAL_TIME_ENABLED), PERF_CONST(FORMAT_TOTAL_TIME_RUNNING), PERF_CONST(FORMAT_ID), PERF_CONST(FORMAT_GROUP), PERF_CONST(RECORD_MMAP), PERF_CONST(RECORD_LOST), PERF_CONST(RECORD_COMM), PERF_CONST(RECORD_EXIT), PERF_CONST(RECORD_THROTTLE), PERF_CONST(RECORD_UNTHROTTLE), PERF_CONST(RECORD_FORK), PERF_CONST(RECORD_READ), PERF_CONST(RECORD_SAMPLE), PERF_CONST(RECORD_MMAP2), PERF_CONST(RECORD_AUX), PERF_CONST(RECORD_ITRACE_START), PERF_CONST(RECORD_LOST_SAMPLES), PERF_CONST(RECORD_SWITCH), PERF_CONST(RECORD_SWITCH_CPU_WIDE), PERF_CONST(RECORD_MISC_SWITCH_OUT), { .name = NULL, }, }; static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, PyObject *args, PyObject *kwargs) { struct tep_event *tp_format; static char *kwlist[] = { "sys", "name", NULL }; char *sys = NULL; char *name = NULL; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss", kwlist, &sys, &name)) return NULL; tp_format = trace_event__tp_format(sys, name); if (IS_ERR(tp_format)) return _PyLong_FromLong(-1); return _PyLong_FromLong(tp_format->id); } static PyMethodDef perf__methods[] = { { .ml_name = "tracepoint", .ml_meth = (PyCFunction) pyrf__tracepoint, .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("Get tracepoint config.") }, { .ml_name = NULL, } }; #if PY_MAJOR_VERSION < 3 PyMODINIT_FUNC initperf(void) #else PyMODINIT_FUNC PyInit_perf(void) #endif { PyObject *obj; int i; PyObject *dict; #if PY_MAJOR_VERSION < 3 PyObject *module = Py_InitModule("perf", perf__methods); #else static struct PyModuleDef moduledef = { PyModuleDef_HEAD_INIT, "perf", /* m_name */ "", /* m_doc */ -1, /* m_size */ perf__methods, /* m_methods */ NULL, /* m_reload */ NULL, /* m_traverse */ NULL, /* m_clear */ NULL, /* m_free */ }; PyObject *module = PyModule_Create(&moduledef); #endif if (module == NULL || pyrf_event__setup_types() < 0 || pyrf_evlist__setup_types() < 0 || pyrf_evsel__setup_types() < 0 || pyrf_thread_map__setup_types() < 0 || pyrf_cpu_map__setup_types() < 0) #if PY_MAJOR_VERSION < 3 return; #else return module; #endif /* The page_size is placed in util object. */ page_size = sysconf(_SC_PAGE_SIZE); Py_INCREF(&pyrf_evlist__type); PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type); Py_INCREF(&pyrf_evsel__type); PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type); Py_INCREF(&pyrf_mmap_event__type); PyModule_AddObject(module, "mmap_event", (PyObject *)&pyrf_mmap_event__type); Py_INCREF(&pyrf_lost_event__type); PyModule_AddObject(module, "lost_event", (PyObject *)&pyrf_lost_event__type); Py_INCREF(&pyrf_comm_event__type); PyModule_AddObject(module, "comm_event", (PyObject *)&pyrf_comm_event__type); Py_INCREF(&pyrf_task_event__type); PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); Py_INCREF(&pyrf_throttle_event__type); PyModule_AddObject(module, "throttle_event", (PyObject *)&pyrf_throttle_event__type); Py_INCREF(&pyrf_task_event__type); PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); Py_INCREF(&pyrf_read_event__type); PyModule_AddObject(module, "read_event", (PyObject *)&pyrf_read_event__type); Py_INCREF(&pyrf_sample_event__type); PyModule_AddObject(module, "sample_event", (PyObject *)&pyrf_sample_event__type); Py_INCREF(&pyrf_context_switch_event__type); PyModule_AddObject(module, "switch_event", (PyObject *)&pyrf_context_switch_event__type); Py_INCREF(&pyrf_thread_map__type); PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type); Py_INCREF(&pyrf_cpu_map__type); PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type); dict = PyModule_GetDict(module); if (dict == NULL) goto error; for (i = 0; perf__constants[i].name != NULL; i++) { obj = _PyLong_FromLong(perf__constants[i].value); if (obj == NULL) goto error; PyDict_SetItemString(dict, perf__constants[i].name, obj); Py_DECREF(obj); } error: if (PyErr_Occurred()) PyErr_SetString(PyExc_ImportError, "perf: Init failed!"); #if PY_MAJOR_VERSION >= 3 return module; #endif } /* * Dummy, to avoid dragging all the test_attr infrastructure in the python * binding. */ void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, int fd, int group_fd, unsigned long flags) { }
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