linux-kernel - [PATCH 0/7] perf tools: Clarify overwrite and backward, bugfix

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Message-ID: <20171113013809.212417-1-wangnan0@huawei.com>
Date:   Mon, 13 Nov 2017 01:38:02 +0000
From:   Wang Nan <wangnan0@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <kan.liang@...el.com>,
        <acme@...nel.org>, <jolsa@...hat.com>, <namhyung@...nel.org>
CC:     Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 0/7] perf tools: Clarify overwrite and backward, bugfix

Based on previous discussion, perf needs to support only two types
of ringbuffer: read-write + forward, readonly + backward. This patchset
completly removes the concept of 'overwrite' from code level, controls
mapping permission using write_backward instead.

Wang Nan (7):
  perf mmap: Fix perf backward recording
  perf tests: Set evlist of test__backward_ring_buffer() to !overwrite
  perf tests: Set evlist of test__sw_clock_freq() to !overwrite
  perf tests: Set evlist of test__basic_mmap() to !overwrite
  perf tests: Set evlist of test__task_exit() to !overwrite
  perf tools: Remove 'overwrite' concept from code level
  perf tools: Remove prot field in mmap param

 tools/perf/arch/x86/tests/perf-time-to-tsc.c |  2 +-
 tools/perf/builtin-kvm.c                     |  2 +-
 tools/perf/builtin-record.c                  |  4 ++--
 tools/perf/builtin-top.c                     |  2 +-
 tools/perf/builtin-trace.c                   |  2 +-
 tools/perf/tests/backward-ring-buffer.c      |  2 +-
 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                     | 21 ++++++++++-----------
 tools/perf/util/evlist.h                     |  6 ++----
 tools/perf/util/mmap.c                       | 10 +++++-----
 tools/perf/util/mmap.h                       |  6 +++---
 tools/perf/util/python.c                     | 10 +++++-----
 20 files changed, 41 insertions(+), 44 deletions(-)

-- 
2.10.1