From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752543AbcGMH1q (ORCPT ); Wed, 13 Jul 2016 03:27:46 -0400 Received: from terminus.zytor.com ([198.137.202.10]:42276 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751886AbcGMH1d (ORCPT ); Wed, 13 Jul 2016 03:27:33 -0400 Date: Wed, 13 Jul 2016 00:27:08 -0700 From: tip-bot for Jiri Olsa Message-ID: Cc: mingo@kernel.org, tglx@linutronix.de, hpa@zytor.com, namhyung@kernel.org, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, jolsa@kernel.org, dsahern@gmail.com, acme@redhat.com Reply-To: acme@redhat.com, a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, jolsa@kernel.org, dsahern@gmail.com, namhyung@kernel.org, hpa@zytor.com, tglx@linutronix.de, mingo@kernel.org In-Reply-To: <1468148882-10362-7-git-send-email-jolsa@kernel.org> References: <1468148882-10362-7-git-send-email-jolsa@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf python: Add perf.tracepoint method Git-Commit-ID: 1075fbb22f095c857930190e30fd3ae422d424b6 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 1075fbb22f095c857930190e30fd3ae422d424b6 Gitweb: http://git.kernel.org/tip/1075fbb22f095c857930190e30fd3ae422d424b6 Author: Jiri Olsa AuthorDate: Sun, 10 Jul 2016 13:07:58 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 12 Jul 2016 16:17:54 -0300 perf python: Add perf.tracepoint method To get id of the tracepoint from subsystem and name strings. The interface is: id = perf.tracepoint(sys, name) In case of error -1 is returned. It will be used to get python tracepoint event's config value for tracepoint event. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1468148882-10362-7-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index fc277e4..45fdd4a 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -2,6 +2,7 @@ #include #include #include +#include #include "evlist.h" #include "evsel.h" #include "event.h" @@ -1076,7 +1077,32 @@ static struct { { .name = NULL, }, }; +static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, + PyObject *args, PyObject *kwargs) +{ + struct event_format *tp_format; + static char *kwlist[] = { "sys", "name", NULL }; + char *sys = NULL; + char *name = NULL; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss", kwlist, + &sys, &name)) + return NULL; + + tp_format = trace_event__tp_format(sys, name); + if (IS_ERR(tp_format)) + return PyInt_FromLong(-1); + + return PyInt_FromLong(tp_format->id); +} + static PyMethodDef perf__methods[] = { + { + .ml_name = "tracepoint", + .ml_meth = (PyCFunction) pyrf__tracepoint, + .ml_flags = METH_VARARGS | METH_KEYWORDS, + .ml_doc = PyDoc_STR("Get tracepoint config.") + }, { .ml_name = NULL, } };