From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f201.google.com (mail-dy1-f201.google.com [74.125.82.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C11313603F7 for ; Sat, 25 Apr 2026 17:49:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777139381; cv=none; b=mYFNMytvDI0dIr64eSpS+Viw0UzrOAR37gMGcoU2NTsREtC90p0DVhXXOL9CKg2zo/lU21CFXzSmK1jyeDwXMp1UWetx5/4aNZBjBDzkHxPMzD3KWZtwRCy+w65X+Cg1untnYziyDy4XUTCVQcDGT4VtAw3erE9ndWms9Fw8vg8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777139381; c=relaxed/simple; bh=0/grSbmQ0CiTb9xT/yGcjRxw7yEBV9o3vDAV5zrCKcI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=qF4SnlKOzLRmPqS+s9/LpAvSWGFIDmB1abl6gNXIusoKV/+n2mHa+4+e9I78/scj2ZumFP0SuMlXtCtZH3g/4PfUd4I/zb+1rGedz9+73cmNZ6BEpG5Qy0qSwBorsbXCWqpKGWihuoevh+YwChbVsiX/jMHSpuWhfwDg2T32a8A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=Vvl0LEDL; arc=none smtp.client-ip=74.125.82.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Vvl0LEDL" Received: by mail-dy1-f201.google.com with SMTP id 5a478bee46e88-2ddd8ef5343so8701950eec.1 for ; Sat, 25 Apr 2026 10:49:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1777139379; x=1777744179; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=CkVuk0SY+S7oULlsa6bLwazSaIq+Fl1rUEE6RaS7too=; b=Vvl0LEDLRitMiKvr315IhhrTtFGxOaCIm9OfxZo8ofTR5os3sLqbcdWMwHcHJTOpTu Vy55PBdrHOP6CYqSTY5VPJ78PgXJ7dtqOqiHnjSXG468RxipM+oNekRE1SlU05R0lPnD TUhK2l12V7Xia0h8C8SeuGQXj5+VofCB+hHkDbfd4BdkYPzKfvZPKZpD09GC/4PwGW+Z r2U6k8lPN5inQUeHQ62mok9+PbPf4X+lwsUU6O9URU7tLgKCMXapMv3ytOwdNGQmkT/I FjFN5E7X8p7oQ6DZlAHGUFKeLuMeik+Ax3SFAne3qTnhXIbhsXEDFa9RHPXAZsCCS9/U yjQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777139379; x=1777744179; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=CkVuk0SY+S7oULlsa6bLwazSaIq+Fl1rUEE6RaS7too=; b=kmGqiPjPDWOwMbzT2E7QLKTdTENzzwCowWGnOWiroSyEnHxNX7dJVj2Soi8LDyZr9j HQu6ZeR/BDF5WxDD6XkihSdhqGcj0FWkMcrmhpyBTkY8vwG1SuEBFrlUYLFw56MhEms4 /BJ2l4KnVzbKJ18aU2tudSJwHy5iAbf4GVkouo7xJZcLRRAP2toBjFipXPh+wzNOALd2 J1XA3ENMaLDjvu1X6Z8HHiarzXEoyStLukSd+378uNNmNw9OGbVU9S/gq9msaGalp2lv BP6NPdacRqzIdf+l6Sf4KjWbt710rtEk/0agX6Go+sNgPbAivW+F0hXum+8cJXwjuiPE 31PA== X-Forwarded-Encrypted: i=1; AFNElJ/RK2J/Ft1XHXlQa3pqhmYehnSPrJesJiBvY60PrcXDT4MRZhDadbk9brtvYBg2sJRAzrItPaMFw3MDEMM=@vger.kernel.org X-Gm-Message-State: AOJu0Yzw+T80IhdNK2q3r5kUOGAGhkuD1dJX54N/Cz3KOwo+huIGS1ny QuowoKMCVzz1UREJ4LsU6tjQRXr0XJ9N3o9btvJR9k35Bnujx+09U6VOzgfq7jWTa8y9SXgZu9d 13FzkdY0vmw== X-Received: from dyblf37.prod.google.com ([2002:a05:7301:a25:b0:2da:4e8f:1752]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7301:128d:b0:2da:a813:a5fd with SMTP id 5a478bee46e88-2e478936929mr21434649eec.22.1777139378769; Sat, 25 Apr 2026 10:49:38 -0700 (PDT) Date: Sat, 25 Apr 2026 10:48:17 -0700 In-Reply-To: <20260425174858.3922152-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260424164721.2229025-1-irogers@google.com> <20260425174858.3922152-1-irogers@google.com> X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog Message-ID: <20260425174858.3922152-20-irogers@google.com> Subject: [PATCH v6 19/59] perf python: Add config file access From: Ian Rogers To: acme@kernel.org, adrian.hunter@intel.com, james.clark@linaro.org, leo.yan@linux.dev, namhyung@kernel.org, tmricht@linux.ibm.com Cc: alice.mei.rogers@gmail.com, dapeng1.mi@linux.intel.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, Ian Rogers Content-Type: text/plain; charset="UTF-8" Add perf.config_get(name) to expose the perf configuration system. Assisted-by: Gemini:gemini-3.1-pro-preview Signed-off-by: Ian Rogers --- 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