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-rw-r--r--tools/perf/util/python.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 7624324efad4..9dd47a4f2596 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -623,7 +623,11 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
evsel->attr.inherit = inherit;
- if (perf_evsel__open(evsel, cpus, threads, group) < 0) {
+ /*
+ * This will group just the fds for this single evsel, to group
+ * multiple events, use evlist.open().
+ */
+ if (perf_evsel__open(evsel, cpus, threads, group, NULL) < 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@@ -814,6 +818,25 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
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 (perf_evlist__open(evlist, group) < 0) {
+ PyErr_SetFromErrno(PyExc_OSError);
+ return NULL;
+ }
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
static PyMethodDef pyrf_evlist__methods[] = {
{
.ml_name = "mmap",
@@ -822,6 +845,12 @@ static PyMethodDef pyrf_evlist__methods[] = {
.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,