From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754755AbaGVNUR (ORCPT ); Tue, 22 Jul 2014 09:20:17 -0400 Received: from mga02.intel.com ([134.134.136.20]:45360 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751088AbaGVNUO (ORCPT ); Tue, 22 Jul 2014 09:20:14 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,710,1400050800"; d="scan'208";a="576985486" 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 10/52] perf tools: Add dso__data_status_seen() Date: Tue, 22 Jul 2014 16:17:19 +0300 Message-Id: <1406035081-14301-11-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1406035081-14301-1-git-send-email-adrian.hunter@intel.com> References: <1406035081-14301-1-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 a function to track whether a caller has seen the data status of a dso. This is needed to enable callers to report the error exactly once only per dso. Signed-off-by: Adrian Hunter --- tools/perf/util/dso.c | 12 ++++++++++++ tools/perf/util/dso.h | 6 ++++++ 2 files changed, 18 insertions(+) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 8827db3..84e4a05 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -359,6 +359,18 @@ out: return dso->data.fd; } +bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by) +{ + u32 flag = 1 << by; + + if (dso->data.status_seen & flag) + return true; + + dso->data.status_seen |= flag; + + return false; +} + static void dso_cache__free(struct rb_root *root) { diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index aeb7bcb..c805f60 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -46,6 +46,10 @@ enum dso_data_status { DSO_DATA_STATUS_OK = 1, }; +enum dso_data_status_seen { + DSO_DATA_STATUS_SEEN_ITRACE, +}; + #define DSO__SWAP(dso, type, val) \ ({ \ type ____r = val; \ @@ -111,6 +115,7 @@ struct dso { struct rb_root cache; int fd; int status; + u32 status_seen; size_t file_size; struct list_head open_entry; } data; @@ -203,6 +208,7 @@ ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, ssize_t dso__data_read_addr(struct dso *dso, struct map *map, struct machine *machine, u64 addr, u8 *data, ssize_t size); +bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by); struct map *dso__new_map(const char *name); struct dso *dso__kernel_findnew(struct machine *machine, const char *name, -- 1.8.3.2