From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965061AbbIEBIs (ORCPT ); Fri, 4 Sep 2015 21:08:48 -0400 Received: from casper.infradead.org ([85.118.1.10]:39019 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934993AbbIEBHx (ORCPT ); Fri, 4 Sep 2015 21:07:53 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Jan Stancek , Corey Ashford , David Ahern , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 04/15] perf tests: Print objdump/dso buffers if they don't match Date: Fri, 4 Sep 2015 22:06:32 -0300 Message-Id: <1441415203-7484-5-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1441415203-7484-1-git-send-email-acme@kernel.org> References: <1441415203-7484-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jan Stancek 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 8145c67fb43a..2d21183bd661 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"); -- 2.1.0