From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752531AbbIOG7H (ORCPT ); Tue, 15 Sep 2015 02:59:07 -0400 Received: from terminus.zytor.com ([198.137.202.10]:49977 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751558AbbIOG7G (ORCPT ); Tue, 15 Sep 2015 02:59:06 -0400 Date: Mon, 14 Sep 2015 23:58:43 -0700 From: tip-bot for Jan Stancek Message-ID: Cc: fweisbec@gmail.com, mingo@kernel.org, cjashfor@linux.vnet.ibm.com, acme@redhat.com, paulus@samba.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, jstancek@redhat.com, adrian.hunter@intel.com, dsahern@gmail.com, namhyung@kernel.org, jolsa@kernel.org, a.p.zijlstra@chello.nl, hpa@zytor.com Reply-To: fweisbec@gmail.com, mingo@kernel.org, cjashfor@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, acme@redhat.com, paulus@samba.org, tglx@linutronix.de, jstancek@redhat.com, adrian.hunter@intel.com, dsahern@gmail.com, namhyung@kernel.org, jolsa@kernel.org, a.p.zijlstra@chello.nl, hpa@zytor.com In-Reply-To: References: To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tests: Print objdump/dso buffers if they don 't match Git-Commit-ID: fd405cf6cfddd300377bd5fd9b93d2ff66fbc32d X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: fd405cf6cfddd300377bd5fd9b93d2ff66fbc32d Gitweb: http://git.kernel.org/tip/fd405cf6cfddd300377bd5fd9b93d2ff66fbc32d Author: Jan Stancek AuthorDate: Wed, 2 Sep 2015 10:19:17 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 14 Sep 2015 12:50:13 -0300 perf tests: Print objdump/dso buffers if they don't match Signed-off-by: Jan Stancek Acked-by: Adrian Hunter Cc: Corey Ashford Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/d0f42f786bc0e965918e0f422df25617a12a4021.1441181335.git.jstancek@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/code-reading.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 8145c67..2d21183 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -162,6 +162,18 @@ static int read_via_objdump(const char *filename, u64 addr, void *buf, return ret; } +static void dump_buf(unsigned char *buf, size_t len) +{ + size_t i; + + for (i = 0; i < len; i++) { + pr_debug("0x%02x ", buf[i]); + if (i % 16 == 15) + pr_debug("\n"); + } + pr_debug("\n"); +} + static int read_object_code(u64 addr, size_t len, u8 cpumode, struct thread *thread, struct state *state) { @@ -264,6 +276,10 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, /* The results should be identical */ if (memcmp(buf1, buf2, len)) { pr_debug("Bytes read differ from those read by objdump\n"); + pr_debug("buf1 (dso):\n"); + dump_buf(buf1, len); + pr_debug("buf2 (objdump):\n"); + dump_buf(buf2, len); return -1; } pr_debug("Bytes read match those read by objdump\n");