From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CDA9C2B9F8 for ; Tue, 25 May 2021 09:51:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2588F61421 for ; Tue, 25 May 2021 09:51:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232827AbhEYJwo (ORCPT ); Tue, 25 May 2021 05:52:44 -0400 Received: from mga18.intel.com ([134.134.136.126]:18662 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232789AbhEYJwg (ORCPT ); Tue, 25 May 2021 05:52:36 -0400 IronPort-SDR: yGndgsryig2+gHi/b45dJTp7KFnVIYoc1Y9TWiVTIwRRLb5eMVSOdvJtx3yDV9kwKqU9o4h32Z w+uFbId0GJBA== X-IronPort-AV: E=McAfee;i="6200,9189,9994"; a="189531614" X-IronPort-AV: E=Sophos;i="5.82,328,1613462400"; d="scan'208";a="189531614" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2021 02:51:04 -0700 IronPort-SDR: Zu4ll7yHdFd6FdbHtnTFsFmlccfQ1+YsWZXBWbP+g2c0/rArHzUftw2AguDw6/YiDCwq0EfxiY TWR5XLyztV6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,328,1613462400"; d="scan'208";a="479224571" Received: from ahunter-desktop.fi.intel.com ([10.237.72.174]) by fmsmga002.fm.intel.com with ESMTP; 25 May 2021 02:51:02 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo , Jiri Olsa , Andi Kleen Cc: linux-kernel@vger.kernel.org Subject: [PATCH 08/10] perf scripting python: Add context switch Date: Tue, 25 May 2021 12:51:10 +0300 Message-Id: <20210525095112.1399-9-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210525095112.1399-1-adrian.hunter@intel.com> References: <20210525095112.1399-1-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add context_switch to general python scripting. Signed-off-by: Adrian Hunter --- .../scripting-engines/trace-event-python.c | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index cb708669e02e..c422901d5344 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -1019,6 +1019,11 @@ static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) return PyTuple_SetItem(t, pos, _PyLong_FromLong(val)); } +static int tuple_set_bool(PyObject *t, unsigned int pos, bool val) +{ + return PyTuple_SetItem(t, pos, PyBool_FromLong(val)); +} + static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) { return PyTuple_SetItem(t, pos, _PyUnicode_FromString(s)); @@ -1406,6 +1411,44 @@ static void python_process_event(union perf_event *event, } } +static void python_do_process_switch(union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + const char *handler_name = "context_switch"; + bool out = event->header.misc & PERF_RECORD_MISC_SWITCH_OUT; + bool out_preempt = out && (event->header.misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT); + pid_t np_pid = -1, np_tid = -1; + PyObject *handler, *t; + + handler = get_handler(handler_name); + if (!handler) + return; + + if (event->header.type == PERF_RECORD_SWITCH_CPU_WIDE) { + np_pid = event->context_switch.next_prev_pid; + np_tid = event->context_switch.next_prev_tid; + } + + t = tuple_new(9); + if (!t) + return; + + tuple_set_u64(t, 0, sample->time); + tuple_set_s32(t, 1, sample->cpu); + tuple_set_s32(t, 2, sample->pid); + tuple_set_s32(t, 3, sample->tid); + tuple_set_s32(t, 4, np_pid); + tuple_set_s32(t, 5, np_tid); + tuple_set_s32(t, 6, machine->pid); + tuple_set_bool(t, 7, out); + tuple_set_bool(t, 8, out_preempt); + + call_object(handler, t, handler_name); + + Py_DECREF(t); +} + static void python_process_switch(union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -1414,6 +1457,8 @@ static void python_process_switch(union perf_event *event, if (tables->db_export_mode) db_export__switch(&tables->dbe, event, sample, machine); + else + python_do_process_switch(event, sample, machine); } static void get_handler_name(char *str, size_t size, -- 2.17.1