This allows the values in the evlist to be shown in the REPL like:
```
Python 3.11.9 (main, Jun 19 2024, 00:38:48) [GCC 13.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path.insert(0,'/tmp/perf/python')
>>> import perf
>>> perf.parse_events('cycles,data_read')
evlist([cycles,uncore_imc_free_running_0/data_read/,uncore_imc_free_running_1/data_read/])
```
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/python.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 1a53a97c513d..a71bad3418da 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1069,6 +1069,30 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i)
return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel));
}
+static PyObject *pyrf_evlist__str(PyObject *self)
+{
+ struct pyrf_evlist *pevlist = (void *)self;
+ struct evsel *pos;
+ struct strbuf sb = STRBUF_INIT;
+ bool first = true;
+ PyObject *result;
+
+ strbuf_addstr(&sb, "evlist([");
+ evlist__for_each_entry(&pevlist->evlist, pos) {
+ if (!first)
+ strbuf_addch(&sb, ',');
+ if (!pos->pmu)
+ strbuf_addstr(&sb, evsel__name(pos));
+ else
+ strbuf_addf(&sb, "%s/%s/", pos->pmu->name, evsel__name(pos));
+ first = false;
+ }
+ strbuf_addstr(&sb, "])");
+ result = PyUnicode_FromString(sb.buf);
+ strbuf_release(&sb);
+ return result;
+}
+
static PySequenceMethods pyrf_evlist__sequence_methods = {
.sq_length = pyrf_evlist__length,
.sq_item = pyrf_evlist__item,
@@ -1086,6 +1110,8 @@ static PyTypeObject pyrf_evlist__type = {
.tp_doc = pyrf_evlist__doc,
.tp_methods = pyrf_evlist__methods,
.tp_init = (initproc)pyrf_evlist__init,
+ .tp_repr = pyrf_evlist__str,
+ .tp_str = pyrf_evlist__str,
};
static int pyrf_evlist__setup_types(void)
--
2.47.0.277.g8800431eea-goog