From patchwork Fri Feb 26 09:32:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Nan X-Patchwork-Id: 62983 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp610349lbc; Fri, 26 Feb 2016 01:33:38 -0800 (PST) X-Received: by 10.66.250.163 with SMTP id zd3mr629966pac.119.1456479218446; Fri, 26 Feb 2016 01:33:38 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b27si18797163pfd.82.2016.02.26.01.33.37; Fri, 26 Feb 2016 01:33:38 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752286AbcBZJda (ORCPT + 30 others); Fri, 26 Feb 2016 04:33:30 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:12459 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751983AbcBZJdR (ORCPT ); Fri, 26 Feb 2016 04:33:17 -0500 Received: from 172.24.1.48 (EHLO szxeml422-hub.china.huawei.com) ([172.24.1.48]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DBZ54310; Fri, 26 Feb 2016 17:33:09 +0800 (CST) Received: from linux-4hy3.site (10.107.193.248) by szxeml422-hub.china.huawei.com (10.82.67.152) with Microsoft SMTP Server id 14.3.235.1; Fri, 26 Feb 2016 17:32:57 +0800 From: Wang Nan To: Alexei Starovoitov , Arnaldo Carvalho de Melo , Arnaldo Carvalho de Melo CC: Jiri Olsa , Li Zefan , "Peter Zijlstra" , , Wang Nan , , He Kuang , Masami Hiramatsu , Namhyung Kim Subject: [PATCH 22/46] perf record: Introduce record__finish_output() to finish a perf.data Date: Fri, 26 Feb 2016 09:32:10 +0000 Message-ID: <1456479154-136027-23-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1456479154-136027-1-git-send-email-wangnan0@huawei.com> References: <1456479154-136027-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090202.56D01BD7.008A, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 135ec268bb60d123fa10cdd86e3616fd Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move code for finalizing 'perf.data' to record__finish_output(). It will be used by following commits to split output to multiple files. Signed-off-by: Wang Nan Signed-off-by: He Kuang Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Zefan Li Cc: pi3orama@163.com --- tools/perf/builtin-record.c | 37 +++++++++++++++++++++++++------------ 1 file changed, 25 insertions(+), 12 deletions(-) -- 1.8.3.4 diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 6257fd7..31aa1d4 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -504,6 +504,29 @@ static void record__init_features(struct record *rec) perf_header__clear_feat(&session->header, HEADER_STAT); } +static void +record__finish_output(struct record *rec) +{ + struct perf_data_file *file = &rec->file; + int fd = perf_data_file__fd(file); + + if (file->is_pipe) + return; + + rec->session->header.data_size += rec->bytes_written; + file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR); + + if (!rec->no_buildid) { + process_buildids(rec); + + if (rec->buildid_all) + dsos__hit_all(rec->session); + } + perf_session__write_header(rec->session, rec->evlist, fd, true); + + return; +} + static volatile int workload_exec_errno; /* @@ -824,18 +847,8 @@ out_child: /* this will be recalculated during process_buildids() */ rec->samples = 0; - if (!err && !file->is_pipe) { - rec->session->header.data_size += rec->bytes_written; - file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR); - - if (!rec->no_buildid) { - process_buildids(rec); - - if (rec->buildid_all) - dsos__hit_all(rec->session); - } - perf_session__write_header(rec->session, rec->evlist, fd, true); - } + if (!err) + record__finish_output(rec); if (!err && !quiet) { char samples[128];