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-rw-r--r--tools/perf/util/python.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 6f9728d365ae..cf1128435022 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -670,6 +670,71 @@ static PyObject *pyrf_pmu__name(PyObject *self)
return PyUnicode_FromString(ppmu->pmu->name);
}
+static bool add_to_dict(PyObject *dict, const char *key, const char *value)
+{
+ PyObject *pkey, *pvalue;
+ bool ret;
+
+ if (value == NULL)
+ return true;
+
+ pkey = PyUnicode_FromString(key);
+ pvalue = PyUnicode_FromString(value);
+
+ ret = pkey && pvalue && PyDict_SetItem(dict, pkey, pvalue) == 0;
+ Py_XDECREF(pkey);
+ Py_XDECREF(pvalue);
+ return ret;
+}
+
+static int pyrf_pmu__events_cb(void *state, struct pmu_event_info *info)
+{
+ PyObject *py_list = state;
+ PyObject *dict = PyDict_New();
+
+ if (!dict)
+ return -ENOMEM;
+
+ if (!add_to_dict(dict, "name", info->name) ||
+ !add_to_dict(dict, "alias", info->alias) ||
+ !add_to_dict(dict, "scale_unit", info->scale_unit) ||
+ !add_to_dict(dict, "desc", info->desc) ||
+ !add_to_dict(dict, "long_desc", info->long_desc) ||
+ !add_to_dict(dict, "encoding_desc", info->encoding_desc) ||
+ !add_to_dict(dict, "topic", info->topic) ||
+ !add_to_dict(dict, "event_type_desc", info->event_type_desc) ||
+ !add_to_dict(dict, "str", info->str) ||
+ !add_to_dict(dict, "deprecated", info->deprecated ? "deprecated" : NULL) ||
+ PyList_Append(py_list, dict) != 0) {
+ Py_DECREF(dict);
+ return -ENOMEM;
+ }
+ Py_DECREF(dict);
+ return 0;
+}
+
+static PyObject *pyrf_pmu__events(PyObject *self)
+{
+ struct pyrf_pmu *ppmu = (void *)self;
+ PyObject *py_list = PyList_New(0);
+ int ret;
+
+ if (!py_list)
+ return NULL;
+
+ ret = perf_pmu__for_each_event(ppmu->pmu,
+ /*skip_duplicate_pmus=*/false,
+ py_list,
+ pyrf_pmu__events_cb);
+ if (ret) {
+ Py_DECREF(py_list);
+ errno = -ret;
+ PyErr_SetFromErrno(PyExc_OSError);
+ return NULL;
+ }
+ return py_list;
+}
+
static PyObject *pyrf_pmu__repr(PyObject *self)
{
struct pyrf_pmu *ppmu = (void *)self;
@@ -681,6 +746,12 @@ static const char pyrf_pmu__doc[] = PyDoc_STR("perf Performance Monitoring Unit
static PyMethodDef pyrf_pmu__methods[] = {
{
+ .ml_name = "events",
+ .ml_meth = (PyCFunction)pyrf_pmu__events,
+ .ml_flags = METH_NOARGS,
+ .ml_doc = PyDoc_STR("Returns a sequence of events encoded as a dictionaries.")
+ },
+ {
.ml_name = "name",
.ml_meth = (PyCFunction)pyrf_pmu__name,
.ml_flags = METH_NOARGS,