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,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 B8B2FC4743C for ; Mon, 21 Jun 2021 15:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3C3B60FE9 for ; Mon, 21 Jun 2021 15:05:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230397AbhFUPHq (ORCPT ); Mon, 21 Jun 2021 11:07:46 -0400 Received: from mga02.intel.com ([134.134.136.20]:58565 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230291AbhFUPHm (ORCPT ); Mon, 21 Jun 2021 11:07:42 -0400 IronPort-SDR: 0yA6vWL11V6xSibA9j/qtRBqGDCHf4z3hPFMBaVH1tZw0dJZl4ulpu99wNkkcNaGAUtUvSdVKl KFFQfdLu+7Ug== X-IronPort-AV: E=McAfee;i="6200,9189,10022"; a="193998961" X-IronPort-AV: E=Sophos;i="5.83,289,1616482800"; d="scan'208";a="193998961" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2021 08:05:27 -0700 IronPort-SDR: 4ctVNoP08vz7FbtzokVVCpedMsje9N9zb4X7XK6g1asnMT/16cRxecA3zNcm/2JlOCxMvXWUYc W4ge5uzFhnGA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,289,1616482800"; d="scan'208";a="486519595" Received: from ahunter-desktop.fi.intel.com ([10.237.72.79]) by orsmga001.jf.intel.com with ESMTP; 21 Jun 2021 08:05:24 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Andi Kleen , Peter Zijlstra , Ingo Molnar , Mark Rutland , Namhyung Kim , Leo Yan , Kan Liang , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RFC 09/11] perf dlfilter: Add srcline() to perf_dlfilter_fns Date: Mon, 21 Jun 2021 18:05:12 +0300 Message-Id: <20210621150514.32159-10-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210621150514.32159-1-adrian.hunter@intel.com> References: <20210621150514.32159-1-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-perf-users@vger.kernel.org Add a function, for use by dlfilters, to return source code file name and line number. Signed-off-by: Adrian Hunter --- tools/perf/Documentation/perf-dlfilter.txt | 5 +++- tools/perf/util/dlfilter.c | 28 ++++++++++++++++++++++ tools/perf/util/perf_dlfilter.h | 4 +++- 3 files changed, 35 insertions(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-dlfilter.txt b/tools/perf/Documentation/perf-dlfilter.txt index 5ed64bbf084e..b6f958983584 100644 --- a/tools/perf/Documentation/perf-dlfilter.txt +++ b/tools/perf/Documentation/perf-dlfilter.txt @@ -111,7 +111,8 @@ struct perf_dlfilter_fns { const struct perf_dlfilter_al *(*resolve_addr)(void *ctx); __s32 (*resolve_address)(void *ctx, __u64 address, struct perf_dlfilter_al *al); const __u8 *(*insn)(void *ctx, __u32 *length); - void *(*reserved[124])(void *); + const char *(*srcline)(void *ctx, __u32 *line_number); + void *(*reserved[123])(void *); }; ---- @@ -124,6 +125,8 @@ before calling. Returns 0 on success, -1 otherwise. 'insn' returns instruction bytes and length. +'srcline' return source file name and line number. + The perf_dlfilter_al structure ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c index 375fb01bdeb8..d71b0c97d1eb 100644 --- a/tools/perf/util/dlfilter.c +++ b/tools/perf/util/dlfilter.c @@ -17,6 +17,7 @@ #include "thread.h" #include "trace-event.h" #include "symbol.h" +#include "srcline.h" #include "dlfilter.h" #include "perf_dlfilter.h" @@ -190,11 +191,38 @@ static const __u8 *dlfilter__insn(void *ctx, __u32 *len) return (__u8 *)d->sample->insn; } +static const char *dlfilter__srcline(void *ctx, __u32 *line_no) +{ + struct dlfilter *d = (struct dlfilter *)ctx; + struct addr_location *al; + unsigned int line = 0; + char *srcfile = NULL; + struct map *map; + u64 addr; + + if (!d->ctx_valid || !line_no) + return NULL; + + al = get_al(d); + if (!al) + return NULL; + + map = al->map; + addr = al->addr; + + if (map && map->dso) + srcfile = get_srcline_split(map->dso, map__rip_2objdump(map, addr), &line); + + *line_no = line; + return srcfile; +} + static const struct perf_dlfilter_fns perf_dlfilter_fns = { .resolve_ip = dlfilter__resolve_ip, .resolve_addr = dlfilter__resolve_addr, .resolve_address = dlfilter__resolve_address, .insn = dlfilter__insn, + .srcline = dlfilter__srcline, }; #define CHECK_FLAG(x) BUILD_BUG_ON((u64)PERF_DLFILTER_FLAG_ ## x != (u64)PERF_IP_FLAG_ ## x) diff --git a/tools/perf/util/perf_dlfilter.h b/tools/perf/util/perf_dlfilter.h index 913b773af268..a91e314ba24a 100644 --- a/tools/perf/util/perf_dlfilter.h +++ b/tools/perf/util/perf_dlfilter.h @@ -97,8 +97,10 @@ struct perf_dlfilter_fns { __s32 (*resolve_address)(void *ctx, __u64 address, struct perf_dlfilter_al *al); /* Return instruction bytes and length */ const __u8 *(*insn)(void *ctx, __u32 *length); + /* Return source file name and line number */ + const char *(*srcline)(void *ctx, __u32 *line_number); /* Reserved */ - void *(*reserved[124])(void *); + void *(*reserved[123])(void *); }; /* -- 2.17.1