From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753335Ab2IEFKc (ORCPT ); Wed, 5 Sep 2012 01:10:32 -0400 Received: from LGEMRELSE1Q.lge.com ([156.147.1.111]:47884 "EHLO LGEMRELSE1Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751505Ab2IEFKW (ORCPT ); Wed, 5 Sep 2012 01:10:22 -0400 X-AuditID: 9c93016f-b7cc0ae000000e9f-44-5046debcb367 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , LKML , Namhyung Kim , Robert Richter Subject: [PATCH 3/7] perf header: Swap pmu mapping numbers if needed Date: Wed, 5 Sep 2012 14:02:49 +0900 Message-Id: <1346821373-31621-4-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.4 In-Reply-To: <1346821373-31621-1-git-send-email-namhyung@kernel.org> References: <1346821373-31621-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Namhyung Kim Like others, the numbers can be saved in a different endian format than a host machine. Swap them if needed. Cc: Robert Richter Signed-off-by: Namhyung Kim --- tools/perf/util/header.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 05c9310c3da1..43425b75f0c9 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1440,6 +1440,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) if (ret != sizeof(pmu_num)) goto error; + if (ph->needs_swap) + pmu_num = bswap_32(pmu_num); + if (!pmu_num) { fprintf(fp, "# pmu mappings: not available\n"); return; @@ -1448,6 +1451,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) while (pmu_num) { if (read(fd, &type, sizeof(type)) != sizeof(type)) break; + if (ph->needs_swap) + type = bswap_32(type); + name = do_read_string(fd, ph); if (!name) break; -- 1.7.11.4