projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 7e4b21b8 | 2 | /* |
| 133dc4c3 | 3 | * Context.c. Python interfaces for perf script. |
| 7e4b21b8 TZ |
4 | * |
| 5 | * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com> | |
| 7e4b21b8 TZ |
6 | */ |
| 7 | ||
| 8 | #include <Python.h> | |
| 9 | #include "../../../perf.h" | |
| 10 | #include "../../../util/trace-event.h" | |
| 11 | ||
| 66dfdff0 JŠ |
12 | #if PY_MAJOR_VERSION < 3 |
| 13 | #define _PyCapsule_GetPointer(arg1, arg2) \ | |
| 14 | PyCObject_AsVoidPtr(arg1) | |
| 15 | ||
| 7e4b21b8 | 16 | PyMODINIT_FUNC initperf_trace_context(void); |
| 66dfdff0 JŠ |
17 | #else |
| 18 | #define _PyCapsule_GetPointer(arg1, arg2) \ | |
| 19 | PyCapsule_GetPointer((arg1), (arg2)) | |
| 20 | ||
| 21 | PyMODINIT_FUNC PyInit_perf_trace_context(void); | |
| 22 | #endif | |
| 7e4b21b8 | 23 | |
| 316c7136 | 24 | static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args) |
| 7e4b21b8 TZ |
25 | { |
| 26 | static struct scripting_context *scripting_context; | |
| 27 | PyObject *context; | |
| 28 | int retval; | |
| 29 | ||
| 30 | if (!PyArg_ParseTuple(args, "O", &context)) | |
| 31 | return NULL; | |
| 32 | ||
| 66dfdff0 | 33 | scripting_context = _PyCapsule_GetPointer(context, NULL); |
| 7e4b21b8 TZ |
34 | retval = common_pc(scripting_context); |
| 35 | ||
| 36 | return Py_BuildValue("i", retval); | |
| 37 | } | |
| 38 | ||
| 316c7136 | 39 | static PyObject *perf_trace_context_common_flags(PyObject *obj, |
| 7e4b21b8 TZ |
40 | PyObject *args) |
| 41 | { | |
| 42 | static struct scripting_context *scripting_context; | |
| 43 | PyObject *context; | |
| 44 | int retval; | |
| 45 | ||
| 46 | if (!PyArg_ParseTuple(args, "O", &context)) | |
| 47 | return NULL; | |
| 48 | ||
| 66dfdff0 | 49 | scripting_context = _PyCapsule_GetPointer(context, NULL); |
| 7e4b21b8 TZ |
50 | retval = common_flags(scripting_context); |
| 51 | ||
| 52 | return Py_BuildValue("i", retval); | |
| 53 | } | |
| 54 | ||
| 316c7136 | 55 | static PyObject *perf_trace_context_common_lock_depth(PyObject *obj, |
| 7e4b21b8 TZ |
56 | PyObject *args) |
| 57 | { | |
| 58 | static struct scripting_context *scripting_context; | |
| 59 | PyObject *context; | |
| 60 | int retval; | |
| 61 | ||
| 62 | if (!PyArg_ParseTuple(args, "O", &context)) | |
| 63 | return NULL; | |
| 64 | ||
| 66dfdff0 | 65 | scripting_context = _PyCapsule_GetPointer(context, NULL); |
| 7e4b21b8 TZ |
66 | retval = common_lock_depth(scripting_context); |
| 67 | ||
| 68 | return Py_BuildValue("i", retval); | |
| 69 | } | |
| 70 | ||
| 71 | static PyMethodDef ContextMethods[] = { | |
| 72 | { "common_pc", perf_trace_context_common_pc, METH_VARARGS, | |
| 73 | "Get the common preempt count event field value."}, | |
| 74 | { "common_flags", perf_trace_context_common_flags, METH_VARARGS, | |
| 75 | "Get the common flags event field value."}, | |
| 76 | { "common_lock_depth", perf_trace_context_common_lock_depth, | |
| 77 | METH_VARARGS, "Get the common lock depth event field value."}, | |
| 78 | { NULL, NULL, 0, NULL} | |
| 79 | }; | |
| 80 | ||
| 66dfdff0 | 81 | #if PY_MAJOR_VERSION < 3 |
| 7e4b21b8 TZ |
82 | PyMODINIT_FUNC initperf_trace_context(void) |
| 83 | { | |
| 84 | (void) Py_InitModule("perf_trace_context", ContextMethods); | |
| 85 | } | |
| 66dfdff0 JŠ |
86 | #else |
| 87 | PyMODINIT_FUNC PyInit_perf_trace_context(void) | |
| 88 | { | |
| 89 | static struct PyModuleDef moduledef = { | |
| 90 | PyModuleDef_HEAD_INIT, | |
| 91 | "perf_trace_context", /* m_name */ | |
| 92 | "", /* m_doc */ | |
| 93 | -1, /* m_size */ | |
| 94 | ContextMethods, /* m_methods */ | |
| 95 | NULL, /* m_reload */ | |
| 96 | NULL, /* m_traverse */ | |
| 97 | NULL, /* m_clear */ | |
| 98 | NULL, /* m_free */ | |
| 99 | }; | |
| 100 | return PyModule_Create(&moduledef); | |
| 101 | } | |
| 102 | #endif |