From: tip-bot for Jiri Olsa <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
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
Subject: [tip:perf/core] perf python: Add perf.tracepoint method
Date: Wed, 13 Jul 2016 00:27:08 -0700 [thread overview]
Message-ID: <tip-1075fbb22f095c857930190e30fd3ae422d424b6@git.kernel.org> (raw)
In-Reply-To: <1468148882-10362-7-git-send-email-jolsa@kernel.org>
Commit-ID: 1075fbb22f095c857930190e30fd3ae422d424b6
Gitweb: http://git.kernel.org/tip/1075fbb22f095c857930190e30fd3ae422d424b6
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Sun, 10 Jul 2016 13:07:58 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
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 <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1468148882-10362-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
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 <structmember.h>
#include <inttypes.h>
#include <poll.h>
+#include <linux/err.h>
#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, }
};
next prev parent reply other threads:[~2016-07-13 7:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-10 11:07 [PATCH 00/10] perf python: Add support to access tracepoint fields Jiri Olsa
2016-07-10 11:07 ` [PATCH 01/10] perf tools: Make perf_evlist__event2evsel public Jiri Olsa
2016-07-13 7:24 ` [tip:perf/core] perf evlist: Make event2evsel public tip-bot for Jiri Olsa
2016-07-10 11:07 ` [PATCH 02/10] perf tools: Introduce trace_event__tp_format_id function Jiri Olsa
2016-07-13 7:25 ` [tip:perf/core] perf tools: Introduce trace_event__tp_format_id() tip-bot for Jiri Olsa
2016-07-10 11:07 ` [PATCH 03/10] perf python: Init perf_event_attr::size in perf.evsel constructor Jiri Olsa
2016-07-13 7:25 ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-07-10 11:07 ` [PATCH 04/10] perf python: Fix pyrf_evlist__read_on_cpu event consuming Jiri Olsa
2016-07-13 7:26 ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-07-10 11:07 ` [PATCH 05/10] perf python: Put perf.event objects into dictionary Jiri Olsa
2016-07-13 7:26 ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-07-10 11:07 ` [PATCH 06/10] perf python: Add perf.tracepoint method Jiri Olsa
2016-07-13 7:27 ` tip-bot for Jiri Olsa [this message]
2016-07-10 11:07 ` [PATCH 07/10] perf python: Add struct evsel into struct pyrf_event Jiri Olsa
2016-07-13 7:27 ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-07-10 11:08 ` [PATCH 08/10] perf python: Add support to resolve tracepoint fields Jiri Olsa
2016-07-13 7:27 ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-07-10 11:08 ` [PATCH 09/10] perf python: Add tracepoint example Jiri Olsa
2016-07-13 7:28 ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-07-10 11:08 ` [PATCH 10/10] perf script python: Fix string vs byte array resolving Jiri Olsa
2016-07-11 15:54 ` Steven Rostedt
2016-07-12 8:11 ` Jiri Olsa
2016-07-12 12:37 ` Steven Rostedt
2016-07-12 12:52 ` Jiri Olsa
2016-07-12 13:00 ` Steven Rostedt
2016-07-12 13:35 ` Jiri Olsa
2016-07-12 13:48 ` Steven Rostedt
2016-07-12 19:27 ` Arnaldo Carvalho de Melo
2016-07-12 19:48 ` Steven Rostedt
2016-07-13 9:06 ` Jiri Olsa
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