From 44a4bf577d51f3d6fd8279a25ec11e542bc23ea5 Mon Sep 17 00:00:00 2001
From: Ian Rogers <irogers@google.com>
Date: Mon, 15 Jun 2026 18:15:39 -0700
Subject: [PATCH] perf python: Add config file access

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@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alice Rogers <alice.mei.rogers@gmail.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 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 c5f567c15cc7..3a9f4e35d0bb 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -17,6 +17,7 @@
 #include "build-id.h"
 #include "callchain.h"
 #include "comm.h"
+#include "config.h"
 #include "counts.h"
 #include "data.h"
 #include "debug.h"
@@ -3993,7 +3994,26 @@ 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,