From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751920AbeANNud (ORCPT + 1 other); Sun, 14 Jan 2018 08:50:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:42240 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751305AbeANNub (ORCPT ); Sun, 14 Jan 2018 08:50:31 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B303D2175A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=mhiramat@kernel.org From: Masami Hiramatsu To: linux-kselftest@vger.kernel.org, shuah@kernel.org, Steven Rostedt Cc: mhiramat@kernel.org, linux-kernel@vger.kernel.org, Alex Shi , Russell King - ARM Linux , Jon Medhurst , linux-arm-kernel@lists.infradead.org Subject: [RESEND PATCH 1/2] [BUGFIX] selftest: ftrace: Fix to pick text symbols for kprobes Date: Sun, 14 Jan 2018 22:50:07 +0900 Message-Id: <151593780745.23875.14592346020233219552.stgit@devbox> X-Mailer: git-send-email 2.13.6 In-Reply-To: <151593777761.23875.10360397710751679883.stgit@devbox> References: <151593777761.23875.10360397710751679883.stgit@devbox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Fix to pick text symbols for multiple kprobe testcase. kallsyms shows text symbols with " t " or " T " but current testcase picks all symbols including "t", so it picks data symbols if it includes 't' (e.g. "str"). This fixes it to find symbol lines with " t " or " T " (including spaces). Signed-off-by: Masami Hiramatsu Reported-by: Russell King --- .../ftrace/test.d/kprobe/multiple_kprobes.tc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc index bb16cf91f1b5..e297bd7a2e79 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -12,8 +12,8 @@ case `uname -m` in *) OFFS=0;; esac -echo "Setup up to 256 kprobes" -grep t /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ +echo "Setup up kprobes on first 256 text symbols" +grep -i " t " /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ head -n 256 | while read i; do echo p ${i}+${OFFS} ; done > kprobe_events ||: echo 1 > events/kprobes/enable