[PATCH v6 19/59] perf python: Add config file access

[Ian Rogers]

Add perf.config_get(name) to expose the perf configuration system.

Assisted-by: Gemini:gemini-3.1-pro-preview
Signed-off-by: Ian Rogers <irogers at google.com>
---
 tools/perf/util/python.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 70b5ad2b9b6f..b358852b3528 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -12,6 +12,7 @@
 #include "build-id.h"
 #include "callchain.h"
 #include "comm.h"
+#include "config.h"
 #include "counts.h"
 #include "data.h"
 #include "debug.h"
@@ -3229,7 +3230,26 @@ static PyObject *pyrf__syscall_id(PyObject *self, PyObject *args, PyObject *kwar
 	return PyLong_FromLong(id);
 }
 
+static PyObject *pyrf__config_get(PyObject *self, PyObject *args)
+{
+	const char *config_name, *val;
+
+	if (!PyArg_ParseTuple(args, "s", &config_name))
+		return NULL;
+
+	val = perf_config_get(config_name);
+	if (!val)
+		Py_RETURN_NONE;
+	return PyUnicode_FromString(val);
+}
+
 static PyMethodDef perf__methods[] = {
+	{
+		.ml_name  = "config_get",
+		.ml_meth  = (PyCFunction) pyrf__config_get,
+		.ml_flags = METH_VARARGS,
+		.ml_doc	  = PyDoc_STR("Get a perf config value.")
+	},
 	{
 		.ml_name  = "metrics",
 		.ml_meth  = (PyCFunction) pyrf__metrics,
-- 
2.54.0.545.g6539524ca2-goog