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perf python: Add config file access

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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>
This commit is contained in:
Ian Rogers
2026-06-15 18:15:39 -07:00
committed by Namhyung Kim
parent be64b86ce8
commit 44a4bf577d
1 changed files with 20 additions and 0 deletions
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20
tools/perf/util/python.c
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@@ -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,