Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934036Ab3GQRuv (ORCPT ); Wed, 17 Jul 2013 13:50:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59835 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933394Ab3GQRuo (ORCPT ); Wed, 17 Jul 2013 13:50:44 -0400 From: Jiri Olsa To: linux-kernel@vger.kernel.org Cc: Jiri Olsa , Corey Ashford , Frederic Weisbecker , Ingo Molnar , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Arnaldo Carvalho de Melo , Andi Kleen , David Ahern Subject: [PATCH 07/23] perf tools: Recognize version number for perf data file Date: Wed, 17 Jul 2013 19:49:47 +0200 Message-Id: <1374083403-14591-8-git-send-email-jolsa@redhat.com> In-Reply-To: <1374083403-14591-1-git-send-email-jolsa@redhat.com> References: <1374083403-14591-1-git-send-email-jolsa@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2304 Lines: 80 Keep the recognized data file version within 'struct perf_header'. Signed-off-by: Jiri Olsa Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: David Ahern --- tools/perf/util/header.c | 2 ++ tools/perf/util/header.h | 16 +++++++++++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index eefb052..f558f83 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2480,6 +2480,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz, /* check for legacy format */ ret = memcmp(&magic, __perf_magic1, sizeof(magic)); if (ret == 0) { + ph->version = PERF_HEADER_VERSION_1; pr_debug("legacy perf.data format\n"); if (is_pipe) return try_all_pipe_abis(hdr_sz, ph); @@ -2501,6 +2502,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz, return -1; ph->needs_swap = true; + ph->version = PERF_HEADER_VERSION_2; return 0; } diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index e6387dc..307c9ae 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -34,6 +34,11 @@ enum { HEADER_FEAT_BITS = 256, }; +enum perf_header_version { + PERF_HEADER_VERSION_1, + PERF_HEADER_VERSION_2, +}; + struct perf_file_section { u64 offset; u64 size; @@ -85,12 +90,13 @@ struct perf_session_env { }; struct perf_header { - bool needs_swap; - u64 data_offset; - u64 data_size; - u64 feat_offset; + enum perf_header_version version; + bool needs_swap; + u64 data_offset; + u64 data_size; + u64 feat_offset; DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); - struct perf_session_env env; + struct perf_session_env env; }; struct perf_evlist; -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/