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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A3E4C001E0 for ; Tue, 25 Jul 2023 11:03:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233400AbjGYLDr (ORCPT ); Tue, 25 Jul 2023 07:03:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233928AbjGYLDV (ORCPT ); Tue, 25 Jul 2023 07:03:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A07CD5BA0 for ; Tue, 25 Jul 2023 04:00:40 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1370461693 for ; Tue, 25 Jul 2023 11:00:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE65FC433C7; Tue, 25 Jul 2023 11:00:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690282812; bh=SP7FcrL/n/JbIPYcqAj06Y4gPl8RVIcWqAmrAHKcOK0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w3qoMft5IT7BrDDWbHS8aQTvWZOpjSuWW5atzYgr5cgfUnQkcOh8duFCGMBwbZ7Ok v7psvp0Ae62snwYKITIgSbDvHxXnEpRf94X/W5IV0gVg/ydIa0WLpCD/3OLYlTq9zQ /kpZZSueyZ4EI2lOth9cuU4V6FOqwPNm/74Iaa2Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Georg=20M=C3=BCller?= , "Masami Hiramatsu (Google)" , Adrian Hunter , Alexander Shishkin , Ian Rogers , Ingo Molnar , Jiri Olsa , Mark Rutland , Namhyung Kim , Peter Zijlstra , regressions@lists.linux.dev, Arnaldo Carvalho de Melo Subject: [PATCH 6.1 008/183] perf probe: Add test for regression introduced by switch to die_get_decl_file() Date: Tue, 25 Jul 2023 12:43:56 +0200 Message-ID: <20230725104508.113776913@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230725104507.756981058@linuxfoundation.org> References: <20230725104507.756981058@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Georg Müller commit 56cbeacf143530576905623ac72ae0964f3293a6 upstream. This patch adds a test to validate that 'perf probe' works for binaries where DWARF info is split into multiple CUs Signed-off-by: Georg Müller Acked-by: Masami Hiramatsu (Google) Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Ian Rogers Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: regressions@lists.linux.dev Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230628084551.1860532-5-georgmueller@gmx.net Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- tools/perf/tests/shell/test_uprobe_from_different_cu.sh | 77 ++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100755 tools/perf/tests/shell/test_uprobe_from_different_cu.sh --- /dev/null +++ b/tools/perf/tests/shell/test_uprobe_from_different_cu.sh @@ -0,0 +1,77 @@ +#!/bin/bash +# test perf probe of function from different CU +# SPDX-License-Identifier: GPL-2.0 + +set -e + +temp_dir=$(mktemp -d /tmp/perf-uprobe-different-cu-sh.XXXXXXXXXX) + +cleanup() +{ + trap - EXIT TERM INT + if [[ "${temp_dir}" =~ ^/tmp/perf-uprobe-different-cu-sh.*$ ]]; then + echo "--- Cleaning up ---" + perf probe -x ${temp_dir}/testfile -d foo + rm -f "${temp_dir}/"* + rmdir "${temp_dir}" + fi +} + +trap_cleanup() +{ + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + +cat > ${temp_dir}/testfile-foo.h << EOF +struct t +{ + int *p; + int c; +}; + +extern int foo (int i, struct t *t); +EOF + +cat > ${temp_dir}/testfile-foo.c << EOF +#include "testfile-foo.h" + +int +foo (int i, struct t *t) +{ + int j, res = 0; + for (j = 0; j < i && j < t->c; j++) + res += t->p[j]; + + return res; +} +EOF + +cat > ${temp_dir}/testfile-main.c << EOF +#include "testfile-foo.h" + +static struct t g; + +int +main (int argc, char **argv) +{ + int i; + int j[argc]; + g.c = argc; + g.p = j; + for (i = 0; i < argc; i++) + j[i] = (int) argv[i][0]; + return foo (3, &g); +} +EOF + +gcc -g -Og -flto -c ${temp_dir}/testfile-foo.c -o ${temp_dir}/testfile-foo.o +gcc -g -Og -c ${temp_dir}/testfile-main.c -o ${temp_dir}/testfile-main.o +gcc -g -Og -o ${temp_dir}/testfile ${temp_dir}/testfile-foo.o ${temp_dir}/testfile-main.o + +perf probe -x ${temp_dir}/testfile --funcs foo +perf probe -x ${temp_dir}/testfile foo + +cleanup