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1437 lines
38 KiB
1437 lines
38 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <Python.h> |
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#include <structmember.h> |
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#include <inttypes.h> |
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#include <poll.h> |
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#include <linux/err.h> |
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#include <perf/cpumap.h> |
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#include <traceevent/event-parse.h> |
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#include <perf/mmap.h> |
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#include "evlist.h" |
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#include "callchain.h" |
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#include "evsel.h" |
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#include "event.h" |
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#include "print_binary.h" |
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#include "thread_map.h" |
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#include "trace-event.h" |
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#include "mmap.h" |
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#include "stat.h" |
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#include "metricgroup.h" |
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#include "util/env.h" |
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#include <internal/lib.h> |
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#include "util.h" |
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|
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#if PY_MAJOR_VERSION < 3 |
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#define _PyUnicode_FromString(arg) \ |
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PyString_FromString(arg) |
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#define _PyUnicode_AsString(arg) \ |
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PyString_AsString(arg) |
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#define _PyUnicode_FromFormat(...) \ |
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PyString_FromFormat(__VA_ARGS__) |
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#define _PyLong_FromLong(arg) \ |
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PyInt_FromLong(arg) |
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|
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#else |
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|
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#define _PyUnicode_FromString(arg) \ |
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PyUnicode_FromString(arg) |
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#define _PyUnicode_FromFormat(...) \ |
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PyUnicode_FromFormat(__VA_ARGS__) |
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#define _PyLong_FromLong(arg) \ |
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PyLong_FromLong(arg) |
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#endif |
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|
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#ifndef Py_TYPE |
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#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) |
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#endif |
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|
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/* |
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* Provide these two so that we don't have to link against callchain.c and |
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* start dragging hist.c, etc. |
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*/ |
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struct callchain_param callchain_param; |
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|
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int parse_callchain_record(const char *arg __maybe_unused, |
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struct callchain_param *param __maybe_unused) |
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{ |
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return 0; |
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} |
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/* |
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* Add this one here not to drag util/env.c |
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*/ |
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struct perf_env perf_env; |
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/* |
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* Add this one here not to drag util/stat-shadow.c |
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*/ |
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void perf_stat__collect_metric_expr(struct evlist *evsel_list) |
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{ |
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} |
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/* |
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* Add this one here not to drag util/metricgroup.c |
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*/ |
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int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp, |
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struct rblist *new_metric_events, |
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struct rblist *old_metric_events) |
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{ |
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return 0; |
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} |
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|
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/* |
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* XXX: All these evsel destructors need some better mechanism, like a linked |
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* list of destructors registered when the relevant code indeed is used instead |
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* of having more and more calls in perf_evsel__delete(). -- acme |
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* |
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* For now, add some more: |
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* |
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* Not to drag the BPF bandwagon... |
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*/ |
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void bpf_counter__destroy(struct evsel *evsel); |
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int bpf_counter__install_pe(struct evsel *evsel, int cpu, int fd); |
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int bpf_counter__disable(struct evsel *evsel); |
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void bpf_counter__destroy(struct evsel *evsel __maybe_unused) |
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{ |
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} |
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int bpf_counter__install_pe(struct evsel *evsel __maybe_unused, int cpu __maybe_unused, int fd __maybe_unused) |
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{ |
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return 0; |
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} |
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int bpf_counter__disable(struct evsel *evsel __maybe_unused) |
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{ |
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return 0; |
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} |
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/* |
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* Support debug printing even though util/debug.c is not linked. That means |
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* implementing 'verbose' and 'eprintf'. |
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*/ |
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int verbose; |
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int debug_peo_args; |
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int eprintf(int level, int var, const char *fmt, ...); |
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int eprintf(int level, int var, const char *fmt, ...) |
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{ |
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va_list args; |
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int ret = 0; |
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if (var >= level) { |
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va_start(args, fmt); |
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ret = vfprintf(stderr, fmt, args); |
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va_end(args); |
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} |
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return ret; |
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} |
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/* Define PyVarObject_HEAD_INIT for python 2.5 */ |
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#ifndef PyVarObject_HEAD_INIT |
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# define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, |
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#endif |
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#if PY_MAJOR_VERSION < 3 |
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PyMODINIT_FUNC initperf(void); |
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#else |
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PyMODINIT_FUNC PyInit_perf(void); |
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#endif |
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#define member_def(type, member, ptype, help) \ |
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{ #member, ptype, \ |
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offsetof(struct pyrf_event, event) + offsetof(struct type, member), \ |
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0, help } |
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#define sample_member_def(name, member, ptype, help) \ |
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{ #name, ptype, \ |
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offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \ |
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0, help } |
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struct pyrf_event { |
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PyObject_HEAD |
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struct evsel *evsel; |
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struct perf_sample sample; |
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union perf_event event; |
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}; |
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#define sample_members \ |
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sample_member_def(sample_ip, ip, T_ULONGLONG, "event type"), \ |
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sample_member_def(sample_pid, pid, T_INT, "event pid"), \ |
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sample_member_def(sample_tid, tid, T_INT, "event tid"), \ |
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sample_member_def(sample_time, time, T_ULONGLONG, "event timestamp"), \ |
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sample_member_def(sample_addr, addr, T_ULONGLONG, "event addr"), \ |
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sample_member_def(sample_id, id, T_ULONGLONG, "event id"), \ |
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sample_member_def(sample_stream_id, stream_id, T_ULONGLONG, "event stream id"), \ |
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sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \ |
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sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"), |
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static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object."); |
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static PyMemberDef pyrf_mmap_event__members[] = { |
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sample_members |
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member_def(perf_event_header, type, T_UINT, "event type"), |
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member_def(perf_event_header, misc, T_UINT, "event misc"), |
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member_def(perf_record_mmap, pid, T_UINT, "event pid"), |
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member_def(perf_record_mmap, tid, T_UINT, "event tid"), |
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member_def(perf_record_mmap, start, T_ULONGLONG, "start of the map"), |
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member_def(perf_record_mmap, len, T_ULONGLONG, "map length"), |
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member_def(perf_record_mmap, pgoff, T_ULONGLONG, "page offset"), |
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member_def(perf_record_mmap, filename, T_STRING_INPLACE, "backing store"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) |
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{ |
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PyObject *ret; |
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char *s; |
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if (asprintf(&s, "{ type: mmap, pid: %u, tid: %u, start: %#" PRI_lx64 ", " |
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"length: %#" PRI_lx64 ", offset: %#" PRI_lx64 ", " |
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"filename: %s }", |
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pevent->event.mmap.pid, pevent->event.mmap.tid, |
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pevent->event.mmap.start, pevent->event.mmap.len, |
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pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) { |
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ret = PyErr_NoMemory(); |
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} else { |
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ret = _PyUnicode_FromString(s); |
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free(s); |
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} |
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return ret; |
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} |
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static PyTypeObject pyrf_mmap_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.mmap_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_mmap_event__doc, |
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.tp_members = pyrf_mmap_event__members, |
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.tp_repr = (reprfunc)pyrf_mmap_event__repr, |
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}; |
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static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); |
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static PyMemberDef pyrf_task_event__members[] = { |
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sample_members |
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member_def(perf_event_header, type, T_UINT, "event type"), |
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member_def(perf_record_fork, pid, T_UINT, "event pid"), |
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member_def(perf_record_fork, ppid, T_UINT, "event ppid"), |
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member_def(perf_record_fork, tid, T_UINT, "event tid"), |
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member_def(perf_record_fork, ptid, T_UINT, "event ptid"), |
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member_def(perf_record_fork, time, T_ULONGLONG, "timestamp"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) |
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{ |
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return _PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " |
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"ptid: %u, time: %" PRI_lu64 "}", |
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pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit", |
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pevent->event.fork.pid, |
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pevent->event.fork.ppid, |
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pevent->event.fork.tid, |
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pevent->event.fork.ptid, |
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pevent->event.fork.time); |
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} |
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static PyTypeObject pyrf_task_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.task_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_task_event__doc, |
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.tp_members = pyrf_task_event__members, |
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.tp_repr = (reprfunc)pyrf_task_event__repr, |
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}; |
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static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object."); |
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static PyMemberDef pyrf_comm_event__members[] = { |
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sample_members |
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member_def(perf_event_header, type, T_UINT, "event type"), |
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member_def(perf_record_comm, pid, T_UINT, "event pid"), |
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member_def(perf_record_comm, tid, T_UINT, "event tid"), |
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member_def(perf_record_comm, comm, T_STRING_INPLACE, "process name"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) |
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{ |
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return _PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", |
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pevent->event.comm.pid, |
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pevent->event.comm.tid, |
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pevent->event.comm.comm); |
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} |
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static PyTypeObject pyrf_comm_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.comm_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_comm_event__doc, |
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.tp_members = pyrf_comm_event__members, |
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.tp_repr = (reprfunc)pyrf_comm_event__repr, |
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}; |
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static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object."); |
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static PyMemberDef pyrf_throttle_event__members[] = { |
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sample_members |
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member_def(perf_event_header, type, T_UINT, "event type"), |
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member_def(perf_record_throttle, time, T_ULONGLONG, "timestamp"), |
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member_def(perf_record_throttle, id, T_ULONGLONG, "event id"), |
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member_def(perf_record_throttle, stream_id, T_ULONGLONG, "event stream id"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) |
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{ |
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struct perf_record_throttle *te = (struct perf_record_throttle *)(&pevent->event.header + 1); |
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return _PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRI_lu64 ", id: %" PRI_lu64 |
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", stream_id: %" PRI_lu64 " }", |
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pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un", |
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te->time, te->id, te->stream_id); |
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} |
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static PyTypeObject pyrf_throttle_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.throttle_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_throttle_event__doc, |
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.tp_members = pyrf_throttle_event__members, |
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.tp_repr = (reprfunc)pyrf_throttle_event__repr, |
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}; |
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static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object."); |
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static PyMemberDef pyrf_lost_event__members[] = { |
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sample_members |
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member_def(perf_record_lost, id, T_ULONGLONG, "event id"), |
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member_def(perf_record_lost, lost, T_ULONGLONG, "number of lost events"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) |
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{ |
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PyObject *ret; |
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char *s; |
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if (asprintf(&s, "{ type: lost, id: %#" PRI_lx64 ", " |
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"lost: %#" PRI_lx64 " }", |
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pevent->event.lost.id, pevent->event.lost.lost) < 0) { |
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ret = PyErr_NoMemory(); |
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} else { |
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ret = _PyUnicode_FromString(s); |
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free(s); |
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} |
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return ret; |
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} |
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static PyTypeObject pyrf_lost_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.lost_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_lost_event__doc, |
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.tp_members = pyrf_lost_event__members, |
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.tp_repr = (reprfunc)pyrf_lost_event__repr, |
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}; |
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static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object."); |
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static PyMemberDef pyrf_read_event__members[] = { |
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sample_members |
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member_def(perf_record_read, pid, T_UINT, "event pid"), |
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member_def(perf_record_read, tid, T_UINT, "event tid"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) |
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{ |
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return _PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }", |
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pevent->event.read.pid, |
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pevent->event.read.tid); |
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/* |
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* FIXME: return the array of read values, |
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* making this method useful ;-) |
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*/ |
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} |
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static PyTypeObject pyrf_read_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.read_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_read_event__doc, |
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.tp_members = pyrf_read_event__members, |
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.tp_repr = (reprfunc)pyrf_read_event__repr, |
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}; |
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static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object."); |
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|
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static PyMemberDef pyrf_sample_event__members[] = { |
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sample_members |
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member_def(perf_event_header, type, T_UINT, "event type"), |
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{ .name = NULL, }, |
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}; |
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static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) |
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{ |
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PyObject *ret; |
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char *s; |
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|
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if (asprintf(&s, "{ type: sample }") < 0) { |
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ret = PyErr_NoMemory(); |
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} else { |
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ret = _PyUnicode_FromString(s); |
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free(s); |
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} |
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return ret; |
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} |
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static bool is_tracepoint(struct pyrf_event *pevent) |
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{ |
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return pevent->evsel->core.attr.type == PERF_TYPE_TRACEPOINT; |
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} |
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static PyObject* |
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tracepoint_field(struct pyrf_event *pe, struct tep_format_field *field) |
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{ |
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struct tep_handle *pevent = field->event->tep; |
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void *data = pe->sample.raw_data; |
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PyObject *ret = NULL; |
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unsigned long long val; |
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unsigned int offset, len; |
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|
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if (field->flags & TEP_FIELD_IS_ARRAY) { |
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offset = field->offset; |
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len = field->size; |
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if (field->flags & TEP_FIELD_IS_DYNAMIC) { |
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val = tep_read_number(pevent, data + offset, len); |
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offset = val; |
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len = offset >> 16; |
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offset &= 0xffff; |
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} |
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if (field->flags & TEP_FIELD_IS_STRING && |
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is_printable_array(data + offset, len)) { |
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ret = _PyUnicode_FromString((char *)data + offset); |
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} else { |
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ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); |
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field->flags &= ~TEP_FIELD_IS_STRING; |
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} |
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} else { |
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val = tep_read_number(pevent, data + field->offset, |
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field->size); |
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if (field->flags & TEP_FIELD_IS_POINTER) |
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ret = PyLong_FromUnsignedLong((unsigned long) val); |
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else if (field->flags & TEP_FIELD_IS_SIGNED) |
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ret = PyLong_FromLong((long) val); |
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else |
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ret = PyLong_FromUnsignedLong((unsigned long) val); |
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} |
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|
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return ret; |
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} |
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|
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static PyObject* |
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get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) |
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{ |
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const char *str = _PyUnicode_AsString(PyObject_Str(attr_name)); |
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struct evsel *evsel = pevent->evsel; |
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struct tep_format_field *field; |
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|
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if (!evsel->tp_format) { |
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struct tep_event *tp_format; |
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|
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tp_format = trace_event__tp_format_id(evsel->core.attr.config); |
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if (!tp_format) |
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return NULL; |
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|
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evsel->tp_format = tp_format; |
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} |
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|
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field = tep_find_any_field(evsel->tp_format, str); |
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if (!field) |
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return NULL; |
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|
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return tracepoint_field(pevent, field); |
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} |
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static PyObject* |
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pyrf_sample_event__getattro(struct pyrf_event *pevent, PyObject *attr_name) |
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{ |
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PyObject *obj = NULL; |
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|
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if (is_tracepoint(pevent)) |
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obj = get_tracepoint_field(pevent, attr_name); |
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|
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return obj ?: PyObject_GenericGetAttr((PyObject *) pevent, attr_name); |
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} |
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|
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static PyTypeObject pyrf_sample_event__type = { |
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PyVarObject_HEAD_INIT(NULL, 0) |
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.tp_name = "perf.sample_event", |
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.tp_basicsize = sizeof(struct pyrf_event), |
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.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, |
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.tp_doc = pyrf_sample_event__doc, |
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.tp_members = pyrf_sample_event__members, |
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.tp_repr = (reprfunc)pyrf_sample_event__repr, |
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.tp_getattro = (getattrofunc) pyrf_sample_event__getattro, |
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}; |
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|
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static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); |
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|
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static PyMemberDef pyrf_context_switch_event__members[] = { |
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sample_members |
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member_def(perf_event_header, type, T_UINT, "event type"), |
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member_def(perf_record_switch, next_prev_pid, T_UINT, "next/prev pid"), |
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member_def(perf_record_switch, next_prev_tid, T_UINT, "next/prev tid"), |
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{ .name = NULL, }, |
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}; |
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|
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static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) |
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{ |
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PyObject *ret; |
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char *s; |
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|
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if (asprintf(&s, "{ type: context_switch, next_prev_pid: %u, next_prev_tid: %u, switch_out: %u }", |
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pevent->event.context_switch.next_prev_pid, |
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pevent->event.context_switch.next_prev_tid, |
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!!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) { |
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ret = PyErr_NoMemory(); |
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} else { |
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ret = _PyUnicode_FromString(s); |
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free(s); |
|
} |
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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 perf_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 = perf_cpu_map__new(cpustr); |
|
if (pcpus->cpus == NULL) |
|
return -1; |
|
return 0; |
|
} |
|
|
|
static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus) |
|
{ |
|
perf_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 perf_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) |
|
{ |
|
perf_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 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); |
|
|
|
evsel__init(&pevsel->evsel, &attr, idx); |
|
return 0; |
|
} |
|
|
|
static void pyrf_evsel__delete(struct pyrf_evsel *pevsel) |
|
{ |
|
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 evsel *evsel = &pevsel->evsel; |
|
struct perf_cpu_map *cpus = NULL; |
|
struct perf_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->core.attr.inherit = inherit; |
|
/* |
|
* This will group just the fds for this single evsel, to group |
|
* multiple events, use evlist.open(). |
|
*/ |
|
if (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 evlist evlist; |
|
}; |
|
|
|
static int pyrf_evlist__init(struct pyrf_evlist *pevlist, |
|
PyObject *args, PyObject *kwargs __maybe_unused) |
|
{ |
|
PyObject *pcpus = NULL, *pthreads = NULL; |
|
struct perf_cpu_map *cpus; |
|
struct perf_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; |
|
evlist__init(&pevlist->evlist, cpus, threads); |
|
return 0; |
|
} |
|
|
|
static void pyrf_evlist__delete(struct pyrf_evlist *pevlist) |
|
{ |
|
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 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 (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 evlist *evlist = &pevlist->evlist; |
|
static char *kwlist[] = { "timeout", NULL }; |
|
int timeout = -1, n; |
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout)) |
|
return NULL; |
|
|
|
n = 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 evlist *evlist = &pevlist->evlist; |
|
PyObject *list = PyList_New(0); |
|
int i; |
|
|
|
for (i = 0; i < evlist->core.pollfd.nr; ++i) { |
|
PyObject *file; |
|
#if PY_MAJOR_VERSION < 3 |
|
FILE *fp = fdopen(evlist->core.pollfd.entries[i].fd, "r"); |
|
|
|
if (fp == NULL) |
|
goto free_list; |
|
|
|
file = PyFile_FromFile(fp, "perf", "r", NULL); |
|
#else |
|
file = PyFile_FromFd(evlist->core.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 evlist *evlist = &pevlist->evlist; |
|
PyObject *pevsel; |
|
struct evsel *evsel; |
|
|
|
if (!PyArg_ParseTuple(args, "O", &pevsel)) |
|
return NULL; |
|
|
|
Py_INCREF(pevsel); |
|
evsel = &((struct pyrf_evsel *)pevsel)->evsel; |
|
evsel->core.idx = evlist->core.nr_entries; |
|
evlist__add(evlist, evsel); |
|
|
|
return Py_BuildValue("i", evlist->core.nr_entries); |
|
} |
|
|
|
static struct mmap *get_md(struct evlist *evlist, int cpu) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < evlist->core.nr_mmaps; i++) { |
|
struct mmap *md = &evlist->mmap[i]; |
|
|
|
if (md->core.cpu == cpu) |
|
return md; |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, |
|
PyObject *args, PyObject *kwargs) |
|
{ |
|
struct evlist *evlist = &pevlist->evlist; |
|
union perf_event *event; |
|
int sample_id_all = 1, cpu; |
|
static char *kwlist[] = { "cpu", "sample_id_all", NULL }; |
|
struct 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->core) < 0) |
|
goto end; |
|
|
|
event = perf_mmap__read_event(&md->core); |
|
if (event != NULL) { |
|
PyObject *pyevent = pyrf_event__new(event); |
|
struct pyrf_event *pevent = (struct pyrf_event *)pyevent; |
|
struct evsel *evsel; |
|
|
|
if (pyevent == NULL) |
|
return PyErr_NoMemory(); |
|
|
|
evsel = evlist__event2evsel(evlist, event); |
|
if (!evsel) { |
|
Py_INCREF(Py_None); |
|
return Py_None; |
|
} |
|
|
|
pevent->evsel = evsel; |
|
|
|
err = evsel__parse_sample(evsel, event, &pevent->sample); |
|
|
|
/* Consume the even only after we parsed it out. */ |
|
perf_mmap__consume(&md->core); |
|
|
|
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 evlist *evlist = &pevlist->evlist; |
|
int group = 0; |
|
static char *kwlist[] = { "group", NULL }; |
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group)) |
|
return NULL; |
|
|
|
if (group) |
|
evlist__set_leader(evlist); |
|
|
|
if (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.core.nr_entries; |
|
} |
|
|
|
static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) |
|
{ |
|
struct pyrf_evlist *pevlist = (void *)obj; |
|
struct evsel *pos; |
|
|
|
if (i >= pevlist->evlist.core.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) |
|
{ |
|
}
|
|
|