From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754877AbaGNKP7 (ORCPT ); Mon, 14 Jul 2014 06:15:59 -0400 Received: from mga11.intel.com ([192.55.52.93]:41894 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754099AbaGNKFb (ORCPT ); Mon, 14 Jul 2014 06:05:31 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,657,1400050800"; d="scan'208";a="561434344" From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Paul Mackerras , Stephane Eranian Subject: [PATCH 18/41] perf tools: Record whether a dso has data Date: Mon, 14 Jul 2014 13:02:42 +0300 Message-Id: <1405332185-4050-19-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1405332185-4050-1-git-send-email-adrian.hunter@intel.com> References: <1405332185-4050-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add 'data_status' to record whether a dso has data (i.e. an object file) as follows: dso->data_status meaning ---------------------------------- 0 don't know -1 no data 1 has data Signed-off-by: Adrian Hunter --- tools/perf/util/dso.c | 5 ++++- tools/perf/util/dso.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index fc006fe..91a4eb4 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -556,8 +556,11 @@ static ssize_t data_read_offset(struct dso *dso, u64 offset, ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, u64 offset, u8 *data, ssize_t size) { - if (dso__data_fd(dso, machine) < 0) + if (dso__data_fd(dso, machine) < 0) { + dso->data.data_status = -1; return -1; + } + dso->data.data_status = 1; return data_read_offset(dso, offset, data, size); } diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index c239e86..c5257aa 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -104,6 +104,7 @@ struct dso { struct { struct rb_root cache; int fd; + int data_status; size_t file_size; struct list_head open_entry; } data; -- 1.8.3.2