From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752613AbdLCCCx (ORCPT ); Sat, 2 Dec 2017 21:02:53 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:51626 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751856AbdLCCCv (ORCPT ); Sat, 2 Dec 2017 21:02:51 -0500 From: Wang Nan To: , , , , CC: Wang Nan , Arnaldo Carvalho de Melo , Jiri Olsa , Zhang Mengting Subject: [PATCH v2 0/8] perf tools: perf tools: Clarify overwrite and backward, bugfix Date: Sun, 3 Dec 2017 02:00:36 +0000 Message-ID: <20171203020044.81680-1-wangnan0@huawei.com> X-Mailer: git-send-email 2.10.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org THe final result of this patchset is removing the concept of 'forward/backward', merge them into the concept of 'overwrite'. Patch 1 to 5 clear arguments lists of many functions, remove the 'overwrite'. Because all callers of these functions doesn't need the overwrite be set, we can simply remove them from arguments lists and adjust code as if a 'false' is given. Patch 6 fix a bug that forget to setting readonly for overwrite ring buffers. Patch 7 is suggested by Liang Kan, prevent dumpping duplicated data if there's no so many events between two dumpping commands. Patch 8 is 's/backward/overwrite'. After patch 8, the concept of 'backward' is removed from most of the code, make it uniform with user interface ('--overwrite'). Cc: Kan Liang Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Namhyung Kim Cc: Zhang Mengting Wang Nan (8): perf tools: Remove 'overwrite' parameter from perf_evlist__mmap perf tools: Remove 'overwrite' parameter from perf_evlist__mmap_ex perf tools: Remove evlist->overwrite perf tools: Remove overwrite from arguments list of perf_mmap__push perf tools: Remove overwrite and check_messup from mmap read perf mmap: Fix perf backward recording perf tool: Don't discard prev in backward mode perf tools: Replace 'backward' to 'overwrite' in evlist, mmap and record tools/perf/arch/x86/tests/perf-time-to-tsc.c | 2 +- tools/perf/builtin-kvm.c | 2 +- tools/perf/builtin-record.c | 16 +++--- tools/perf/builtin-top.c | 2 +- tools/perf/builtin-trace.c | 2 +- tools/perf/tests/backward-ring-buffer.c | 6 +-- tools/perf/tests/bpf.c | 2 +- tools/perf/tests/code-reading.c | 2 +- tools/perf/tests/keep-tracking.c | 2 +- tools/perf/tests/mmap-basic.c | 2 +- tools/perf/tests/openat-syscall-tp-fields.c | 2 +- tools/perf/tests/perf-record.c | 2 +- tools/perf/tests/sw-clock.c | 2 +- tools/perf/tests/switch-tracking.c | 2 +- tools/perf/tests/task-exit.c | 2 +- tools/perf/util/evlist.c | 53 ++++++++++---------- tools/perf/util/evlist.h | 8 ++- tools/perf/util/mmap.c | 73 ++++++++++------------------ tools/perf/util/mmap.h | 4 +- tools/perf/util/python.c | 2 +- 20 files changed, 81 insertions(+), 107 deletions(-) -- 2.10.1