From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753516AbdJTUKl (ORCPT ); Fri, 20 Oct 2017 16:10:41 -0400 Received: from mga05.intel.com ([192.55.52.43]:30588 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752041AbdJTUKU (ORCPT ); Fri, 20 Oct 2017 16:10:20 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.43,408,1503385200"; d="scan'208";a="325761695" From: kan.liang@intel.com To: acme@kernel.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: peterz@infradead.org, jolsa@kernel.org, wangnan0@huawei.com, hekuang@huawei.com, namhyung@kernel.org, alexander.shishkin@linux.intel.com, adrian.hunter@intel.com, ak@linux.intel.com, Kan Liang Subject: [PATCH V3 3/6] perf tools: expose copyfile_offset() Date: Fri, 20 Oct 2017 13:05:31 -0700 Message-Id: <1508529934-369393-4-git-send-email-kan.liang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1508529934-369393-1-git-send-email-kan.liang@intel.com> References: <1508529934-369393-1-git-send-email-kan.liang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kan Liang copyfile_offset could be used to merge per thread file to perf.data in the following patch. Signed-off-by: Kan Liang --- tools/perf/util/util.c | 2 +- tools/perf/util/util.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 97e0c8e..a003ce4 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -188,7 +188,7 @@ static int slow_copyfile(const char *from, const char *to, struct nsinfo *nsi) return err; } -static int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size) +int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size) { void *ptr; loff_t pgoff; diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 6c7e6cc..0e1358f 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -5,6 +5,7 @@ /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */ #define _DEFAULT_SOURCE 1 +#include #include #include #include @@ -34,6 +35,7 @@ bool lsdir_no_dot_filter(const char *name, struct dirent *d); int copyfile(const char *from, const char *to); int copyfile_mode(const char *from, const char *to, mode_t mode); int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi); +int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size); ssize_t readn(int fd, void *buf, size_t n); ssize_t writen(int fd, const void *buf, size_t n); -- 2.7.4