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=-14.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, 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 C472AC47091 for ; Sun, 30 May 2021 19:23:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A49696121E for ; Sun, 30 May 2021 19:23:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230057AbhE3TY7 (ORCPT ); Sun, 30 May 2021 15:24:59 -0400 Received: from mga02.intel.com ([134.134.136.20]:21290 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229995AbhE3TYt (ORCPT ); Sun, 30 May 2021 15:24:49 -0400 IronPort-SDR: FDkwBQ54ZCC4PMtO5s18SIlCv/WD0uWuf9YzAkP/IvQsU30xZqQY+eClIcxGPntaXDttC+9stV 3A+DQAHdh3Ug== X-IronPort-AV: E=McAfee;i="6200,9189,10000"; a="190362467" X-IronPort-AV: E=Sophos;i="5.83,234,1616482800"; d="scan'208";a="190362467" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 May 2021 12:23:07 -0700 IronPort-SDR: 9E0IYUC5AxmHLr0UXpDrPfdAlpRAuhukgSIvKJHe/8UYF88QssyUfmGFZn0ntg1B55fTyB0cTq K/7cIP0pRK4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,234,1616482800"; d="scan'208";a="415926313" Received: from ahunter-desktop.fi.intel.com ([10.237.72.174]) by orsmga002.jf.intel.com with ESMTP; 30 May 2021 12:23:05 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo , Jiri Olsa , Andi Kleen Cc: linux-kernel@vger.kernel.org Subject: [PATCH 10/13] perf scripting python: Add perf_sample_srcline() and perf_sample_srccode() Date: Sun, 30 May 2021 22:23:05 +0300 Message-Id: <20210530192308.7382-11-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210530192308.7382-1-adrian.hunter@intel.com> References: <20210530192308.7382-1-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 perf_sample_srcline() and perf_sample_srccode() to the perf_trace_context module so that a script can get the srcline or srccode information. Signed-off-by: Adrian Hunter --- .../scripts/python/Perf-Trace-Util/Context.c | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c index 3c9bc12a1332..895f5fc23965 100644 --- a/tools/perf/scripts/python/Perf-Trace-Util/Context.c +++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c @@ -5,14 +5,23 @@ * Copyright (C) 2010 Tom Zanussi */ +/* + * Use Py_ssize_t for '#' formats to avoid DeprecationWarning: PY_SSIZE_T_CLEAN + * will be required for '#' formats. + */ +#define PY_SSIZE_T_CLEAN + #include #include "../../../util/trace-event.h" #include "../../../util/event.h" #include "../../../util/symbol.h" #include "../../../util/thread.h" +#include "../../../util/map.h" #include "../../../util/maps.h" #include "../../../util/auxtrace.h" #include "../../../util/session.h" +#include "../../../util/srcline.h" +#include "../../../util/srccode.h" #if PY_MAJOR_VERSION < 3 #define _PyCapsule_GetPointer(arg1, arg2) \ @@ -125,6 +134,49 @@ static PyObject *perf_set_itrace_options(PyObject *obj, PyObject *args) return Py_BuildValue("i", retval); } +static PyObject *perf_sample_src(PyObject *obj, PyObject *args, bool get_srccode) +{ + struct scripting_context *c = get_scripting_context(args); + unsigned int line = 0; + char *srcfile = NULL; + char *srccode = NULL; + PyObject *result; + struct map *map; + int len = 0; + u64 addr; + + if (!c) + return NULL; + + map = c->al->map; + addr = c->al->addr; + + if (map && map->dso) + srcfile = get_srcline_split(map->dso, map__rip_2objdump(map, addr), &line); + + if (get_srccode) { + if (srcfile) + srccode = find_sourceline(srcfile, line, &len); + result = Py_BuildValue("(sIs#)", srcfile, line, srccode, (Py_ssize_t)len); + } else { + result = Py_BuildValue("(sI)", srcfile, line); + } + + free(srcfile); + + return result; +} + +static PyObject *perf_sample_srcline(PyObject *obj, PyObject *args) +{ + return perf_sample_src(obj, args, false); +} + +static PyObject *perf_sample_srccode(PyObject *obj, PyObject *args) +{ + return perf_sample_src(obj, args, true); +} + static PyMethodDef ContextMethods[] = { { "common_pc", perf_trace_context_common_pc, METH_VARARGS, "Get the common preempt count event field value."}, @@ -136,6 +188,10 @@ static PyMethodDef ContextMethods[] = { METH_VARARGS, "Get the machine code instruction."}, { "perf_set_itrace_options", perf_set_itrace_options, METH_VARARGS, "Set --itrace options."}, + { "perf_sample_srcline", perf_sample_srcline, + METH_VARARGS, "Get source file name and line number."}, + { "perf_sample_srccode", perf_sample_srccode, + METH_VARARGS, "Get source file name, line number and line."}, { NULL, NULL, 0, NULL} }; -- 2.17.1