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charset="utf-8" Add support for perf_counts_values struct to enable the python bindings to read and return the counter data. Signed-off-by: Gautam Menghani --- tools/perf/util/python.c | 92 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 91 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index f3c05da25b4a..011ee2e27797 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -626,6 +626,92 @@ static int pyrf_thread_map__setup_types(void) return PyType_Ready(&pyrf_thread_map__type); } =20 +struct pyrf_counts_values { + PyObject_HEAD + + struct perf_counts_values values; +}; + +static const char pyrf_counts_values__doc[] =3D PyDoc_STR("perf counts val= ues object."); + +static void pyrf_counts_values__delete(struct pyrf_counts_values *pcounts_= values) +{ + Py_TYPE(pcounts_values)->tp_free((PyObject *)pcounts_values); +} + +#define counts_values_member_def(member, ptype, help) \ + { #member, ptype, \ + offsetof(struct pyrf_counts_values, values.member), \ + 0, help } + +static PyMemberDef pyrf_counts_values_members[] =3D { + counts_values_member_def(val, Py_T_ULONG, "Value of event"), + counts_values_member_def(ena, Py_T_ULONG, "Time for which enabled"), + counts_values_member_def(run, Py_T_ULONG, "Time for which running"), + counts_values_member_def(id, Py_T_ULONG, "Unique ID for an event"), + counts_values_member_def(lost, Py_T_ULONG, "Num of lost samples"), + {NULL} +}; + +static PyObject *pyrf_counts_values_get_values(struct pyrf_counts_values *= self, void *closure) +{ + PyObject *vals =3D PyList_New(5); + + if (!vals) + return NULL; + for (int i =3D 0; i < 5; i++) + PyList_SetItem(vals, i, PyLong_FromLong(self->values.values[i])); + + return vals; +} + +static int pyrf_counts_values_set_values(struct pyrf_counts_values *self, = PyObject *list, + void *closure) +{ + Py_ssize_t size; + PyObject *item =3D NULL; + + if (!PyList_Check(list)) { + PyErr_SetString(PyExc_TypeError, "Value assigned must be a list"); + return -1; + } + + size =3D PyList_Size(list); + for (Py_ssize_t i =3D 0; i < size; i++) { + item =3D PyList_GetItem(list, i); + if (!PyLong_Check(item)) { + PyErr_SetString(PyExc_TypeError, "List members should be numbers"); + return -1; + } + self->values.values[i] =3D PyLong_AsLong(item); + } + + return 0; +} + +static PyGetSetDef pyrf_counts_values_getset[] =3D { + {"values", (getter)pyrf_counts_values_get_values, (setter)pyrf_counts_val= ues_set_values, + "Name field", NULL}, + {NULL} +}; + +static PyTypeObject pyrf_counts_values__type =3D { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name =3D "perf.counts_values", + .tp_basicsize =3D sizeof(struct pyrf_counts_values), + .tp_dealloc =3D (destructor)pyrf_counts_values__delete, + .tp_flags =3D Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, + .tp_doc =3D pyrf_counts_values__doc, + .tp_members =3D pyrf_counts_values_members, + .tp_getset =3D pyrf_counts_values_getset, +}; + +static int pyrf_counts_values__setup_types(void) +{ + pyrf_counts_values__type.tp_new =3D PyType_GenericNew; + return PyType_Ready(&pyrf_counts_values__type); +} + struct pyrf_evsel { PyObject_HEAD =20 @@ -1442,7 +1528,8 @@ PyMODINIT_FUNC PyInit_perf(void) pyrf_evlist__setup_types() < 0 || pyrf_evsel__setup_types() < 0 || pyrf_thread_map__setup_types() < 0 || - pyrf_cpu_map__setup_types() < 0) + pyrf_cpu_map__setup_types() < 0 || + pyrf_counts_values__setup_types() < 0) return module; =20 /* The page_size is placed in util object. */ @@ -1487,6 +1574,9 @@ PyMODINIT_FUNC PyInit_perf(void) Py_INCREF(&pyrf_cpu_map__type); PyModule_AddObject(module, "cpu_map", (PyObject*)&pyrf_cpu_map__type); =20 + Py_INCREF(&pyrf_counts_values__type); + PyModule_AddObject(module, "counts_values", (PyObject *)&pyrf_counts_valu= es__type); + dict =3D PyModule_GetDict(module); if (dict =3D=3D NULL) goto error; --=20 2.49.0