From patchwork Fri Mar 24 12:37:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: pengdonglin X-Patchwork-Id: 13186740 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B5E89C76196 for ; Fri, 24 Mar 2023 12:38:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kzD4T8ILONGYTus0FcHEAHcxg0B8OwvAllHpLwgJqwQ=; b=0hj8oawIgFPKXQ JRKDGyApAmn8KejWvGvprenF44TftoMBa8c4Ate+tI0/1xwcsDjOqZOnr92MuAFoD31xwACdMC/E4 ghntkdDzFsxL3/L4oSAoNnP08PkFJK+H+6HJoaP166Q8k07/JNPsUXiZJEkXgw+jT2VXHYQRRQvGH nfMvjkcmbPhHL6eCmEC5FHySX8on/6a8+K1uagRrGXbkbgL0Ep/DGltXWq0hGkFBryfelNI5k0fiF nlc5tUGjWrkt0RH1PCtzYsWz3HOA+F0zIp/TJ6jwyisLND/ZDSOQjEC4dzugX/Nrn3RCmTMuswBty 4M7J2oQyPwuow7LG85aQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pfggf-004NMg-15; Fri, 24 Mar 2023 12:38:29 +0000 Received: from mail-m118111.qiye.163.com ([115.236.118.111]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pfggR-004N8V-18; Fri, 24 Mar 2023 12:38:17 +0000 Received: from ubuntu.localdomain (unknown [117.133.56.22]) by mail-m118111.qiye.163.com (Hmail) with ESMTPA id 650CD580A4D; Fri, 24 Mar 2023 20:37:48 +0800 (CST) From: Donglin Peng To: mhiramat@kernel.org, rostedt@goodmis.org, linux@armlinux.org.uk, mark.rutland@arm.com, will@kernel.org, catalin.marinas@arm.com, palmer@dabbelt.com, paul.walmsley@sifive.com, tglx@linutronix.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, chenhuacai@kernel.org, zhangqing@loongson.cn, kernel@xen0n.name, mingo@redhat.com, peterz@infradead.org, xiehuan09@gmail.com, dinghui@sangfor.com.cn, huangcun@sangfor.com.cn, dolinux.peng@gmail.com Cc: linux-trace-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Donglin Peng Subject: [PATCH v7 8/8] selftests/ftrace: Add funcgraph-retval test case Date: Fri, 24 Mar 2023 05:37:31 -0700 Message-Id: <20230324123731.3801920-9-pengdonglin@sangfor.com.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230324123731.3801920-1-pengdonglin@sangfor.com.cn> References: <20230324123731.3801920-1-pengdonglin@sangfor.com.cn> MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVlCSUIdVk5NGEhPSkxIGEpDTVUTARMWGhIXJBQOD1 lXWRgSC1lBWUpKTFVKSEhVTk1VSUlZV1kWGg8SFR0UWUFZT0tIVUpKS09ISFVKS0tVS1kG X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6OAg6Sio4Lj0cHw8LT0gXEQ0t HDwwChlVSlVKTUxCTU1KT01CQ0NLVTMWGhIXVQseFRwfFBUcFxIVOwgaFRwdFAlVGBQWVRgVRVlX WRILWUFZSkpMVUpISFVOTVVJSVlXWQgBWUFIQk9MNwY+ X-HM-Tid: 0a8713a00efc2eb7kusn650cd580a4d X-HM-MType: 1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230324_053815_657920_EDB285E6 X-CRM114-Status: UNSURE ( 9.77 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add a test case for the funcgraph-retval and funcgraph-retval-hex trace options. Signed-off-by: Donglin Peng --- .../ftrace/test.d/ftrace/fgraph-retval.tc | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc new file mode 100644 index 000000000000..bee466bef8b2 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc @@ -0,0 +1,43 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: ftrace - function graph print function return value +# requires: set_graph_function options/funcgraph-retval options/funcgraph-retval-hex function_graph:tracer + +# Make sure that funcgraph-retval works + +fail() { # msg + echo $1 + exit_fail +} + +disable_tracing +clear_trace + +echo proc_reg_write > set_graph_function +echo function_graph > current_tracer +echo funcgraph-retval > trace_options + +enable_tracing + +set +e +echo > /proc/interrupts 2>/dev/null +set -e + +disable_tracing + +: "Test printing the error code in signed decimal format" +echo nofuncgraph-retval-hex > trace_options +count=`cat trace | grep 'proc_reg_write = -5' | wc -l` +if [ $count -eq 0 ]; then + fail "Return value can not be printed in signed decimal format" +fi + +: "Test printing the error code in hexadecimal format" +echo funcgraph-retval-hex > trace_options +count=`cat trace | grep 'proc_reg_write' | grep 'fffffffb' | wc -l` +if [ $count -eq 0 ]; then + fail "Return value can not be printed in hexadecimal format" +fi + +exit 0 +