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AJvYcCXnNGdC2XiF4yZ1wtOkyIKtbntYXaEzpn4pVmFw+czJ/JPeyIBV+zn82Ci+EBtwxccczOcvv2txaZoh4ymnJmEh@vger.kernel.org X-Gm-Message-State: AOJu0Yx2p+3nzaxxANUjr9FzGPVNea5+SPOdn3ixq/ZTqa0vO07bAD0Q TAarEZRmx3KyghHXf9f3MD8SAqjsWot8FtqwF3lLLe9hvLYtSL1emh8+e0XaK1VEF3rvGLqja7w 999kk5VWxiQ== X-Google-Smtp-Source: AGHT+IF+xxZSEDuibZ447qr1lEdxF5eqLdcI/dMQoFhe3SPYlME8LKCSsUdHdyZ3ziTAaX+mA+o9UpTdLIMj X-Received: from pjca7.prod.google.com ([2002:a17:90b:5b87:b0:31f:b2f:aeed]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e54e:b0:258:f033:3ff9 with SMTP id d9443c01a7336-294deede339mr21502015ad.48.1761716075602; Tue, 28 Oct 2025 22:34:35 -0700 (PDT) Date: Tue, 28 Oct 2025 22:34:08 -0700 In-Reply-To: <20251029053413.355154-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251029053413.355154-1-irogers@google.com> X-Mailer: git-send-email 2.51.1.851.g4ebd6896fd-goog Message-ID: <20251029053413.355154-11-irogers@google.com> Subject: [RFC PATCH v1 10/15] perf python: Add wrapper for perf_data file abstraction From: Ian Rogers To: Suzuki K Poulose , Mike Leach , James Clark , John Garry , Will Deacon , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Greg Kroah-Hartman , Charlie Jenkins , Thomas Falcon , Yicong Yang , Thomas Richter , Athira Rajeev , Howard Chu , Song Liu , Dapeng Mi , Levi Yun , Zhongqiu Han , Blake Jones , Anubhav Shelat , Chun-Tse Shao , Christophe Leroy , Jean-Philippe Romain , Gautam Menghani , Dmitry Vyukov , Yang Li , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Andi Kleen , Weilin Wang Content-Type: text/plain; charset="UTF-8" The perf_data struct is needed for session supported. Signed-off-by: Ian Rogers --- tools/perf/util/python.c | 62 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 61 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 0366142184d8..f96c1f6dca56 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -11,6 +11,7 @@ #include #include "callchain.h" #include "counts.h" +#include "data.h" #include "evlist.h" #include "evsel.h" #include "event.h" @@ -2163,6 +2164,61 @@ static PyObject *pyrf__metrics(PyObject *self, PyObject *args) return list; } +struct pyrf_data { + PyObject_HEAD + + struct perf_data data; +}; + +static int pyrf_data__init(struct pyrf_data *pdata, PyObject *args, PyObject *kwargs) +{ + static char *kwlist[] = { "path", "fd", NULL }; + char *path = NULL; + int fd = -1; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|si", kwlist, &path, &fd)) + return -1; + + pdata->data.path = strdup(path); + pdata->data.mode = PERF_DATA_MODE_READ; + pdata->data.file.fd = fd; + return perf_data__open(&pdata->data) < 0 ? -1 : 0; +} + +static void pyrf_data__delete(struct pyrf_data *pdata) +{ + perf_data__close(&pdata->data); + free((char *)pdata->data.path); + Py_TYPE(pdata)->tp_free((PyObject *)pdata); +} + +static PyObject *pyrf_data__str(PyObject *self) +{ + const struct pyrf_data *pdata = (const struct pyrf_data *)self; + + return PyUnicode_FromString(pdata->data.path); +} + +static const char pyrf_data__doc[] = PyDoc_STR("perf data file object."); + +static PyTypeObject pyrf_data__type = { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name = "perf.data", + .tp_basicsize = sizeof(struct pyrf_data), + .tp_dealloc = (destructor)pyrf_data__delete, + .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, + .tp_doc = pyrf_data__doc, + .tp_init = (initproc)pyrf_data__init, + .tp_repr = pyrf_data__str, + .tp_str = pyrf_data__str, +}; + +static int pyrf_data__setup_types(void) +{ + pyrf_data__type.tp_new = PyType_GenericNew; + return PyType_Ready(&pyrf_data__type); +} + static PyMethodDef perf__methods[] = { { .ml_name = "metrics", @@ -2225,7 +2281,8 @@ PyMODINIT_FUNC PyInit_perf(void) pyrf_cpu_map__setup_types() < 0 || pyrf_pmu_iterator__setup_types() < 0 || pyrf_pmu__setup_types() < 0 || - pyrf_counts_values__setup_types() < 0) + pyrf_counts_values__setup_types() < 0 || + pyrf_data__setup_types() < 0) return module; /* The page_size is placed in util object. */ @@ -2273,6 +2330,9 @@ PyMODINIT_FUNC PyInit_perf(void) Py_INCREF(&pyrf_counts_values__type); PyModule_AddObject(module, "counts_values", (PyObject *)&pyrf_counts_values__type); + Py_INCREF(&pyrf_data__type); + PyModule_AddObject(module, "data", (PyObject *)&pyrf_data__type); + dict = PyModule_GetDict(module); if (dict == NULL) goto error; -- 2.51.1.851.g4ebd6896fd-goog