From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B6C3C3A5A3 for ; Tue, 27 Aug 2019 20:42:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BD6020656 for ; Tue, 27 Aug 2019 20:42:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ZuouN4ZF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730449AbfH0UmB (ORCPT ); Tue, 27 Aug 2019 16:42:01 -0400 Received: from mail-pl1-f201.google.com ([209.85.214.201]:33526 "EHLO mail-pl1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726332AbfH0UmA (ORCPT ); Tue, 27 Aug 2019 16:42:00 -0400 Received: by mail-pl1-f201.google.com with SMTP id f5so220026plr.0 for ; Tue, 27 Aug 2019 13:42:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=LJptmiK1btd/bB95w4TiVPIKC2dOAjGnNGL3U/KjokA=; b=ZuouN4ZFBETCtERSSVFZ0salbufQVVf0J3cVYgPxhSD9AoPdsTJvQRue6tIyh9GJ8h rAWP5LrnzvOTnNSOFrfH2ADODIW5lMqik8Bv+wLrBPnv1nqVdcY2+yaMQkvjVkxkH1y8 y/qBHf5A3gpeQZEKDqWu4oUgc+KUd5TBmyCv22fG9SsnbNOtFoo0VK7VPtqu2tWLwoOQ nt4dERai2jvfo3mQU6NpuN2DzPUYec31msebPLJGDZR6tpxIErKmxC/pfZrCsCaSdcXi Wjda+Hw873r10nlb6RduCNd4rgKm5zjJ4gH2aHkYUSxIS+6oZM+gjHtD/ZUHQe8kymOB phWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=LJptmiK1btd/bB95w4TiVPIKC2dOAjGnNGL3U/KjokA=; b=sXSEN1yzwZYrs1zJycK1BOr1iGbpMzMXcExVXUFCfF3uHBtdSCr7QAJV4lTrwNHlZ+ 068vv5FqjeKd2tv4SixHv7rdt/QBgrwxS5SHOWFNeiEJn3vgk5dRxRAIfLtYNGvJhxuY gi7SeG87gw/SyJUl3UxxuI+QvNdiAxh2o7h9LeCf74KaSZw5BlEYA/C/uzrLOYfRGloc 8fEg/KoM1TpzFihk2Jw0+4w33D1gvWmkrlSEEfDGDewdVRnm+y4eW36bpq2UOkB5v9XK TpyI/yLhwqBtpgowqbHYbnajA5Urgi+BX4WSOO4orPq+3+AxP45mf1SH665rQ7S7jgm0 oraQ== X-Gm-Message-State: APjAAAXl4ZcsAMuSEUx6+kEabwRKk1JTzLudv9Sy3R5tOPzAcnFEsfO2 vw9bd/B9lkQmZD90vjDiWVLxaLqLh/Y= X-Google-Smtp-Source: APXvYqxu3WEe3wPUja6mVcmwhx+wmdvvyBml5N7haGyA00rIigiytswt6qtesqDqnWVUqBQWtR6PH/BcxTg= X-Received: by 2002:a65:6557:: with SMTP id a23mr260111pgw.439.1566938519509; Tue, 27 Aug 2019 13:41:59 -0700 (PDT) Date: Tue, 27 Aug 2019 13:41:48 -0700 Message-Id: <20190827204152.114609-1-hridya@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.23.0.187.g17f5b7556c-goog Subject: [PATCH 0/4] Add binder state and statistics to binderfs From: Hridya Valsaraju To: Greg Kroah-Hartman , "=?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?=" , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Cc: kernel-team@android.com, Hridya Valsaraju Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently, the only way to access binder state and statistics is through debugfs. We need a way to access the same even when debugfs is not mounted. These patches add a mount option to make this information available in binderfs without affecting its presence in debugfs. The following debugfs nodes will be made available in a binderfs instance when mounted with the mount option 'stats=global' or 'stats=local'. /sys/kernel/debug/binder/failed_transaction_log /sys/kernel/debug/binder/proc /sys/kernel/debug/binder/state /sys/kernel/debug/binder/stats /sys/kernel/debug/binder/transaction_log /sys/kernel/debug/binder/transactions Hridya Valsaraju (4): binder: add a mount option to show global stats binder: Add stats, state and transactions files binder: Make transaction_log available in binderfs binder: Add binder_proc logging to binderfs drivers/android/binder.c | 87 +++++----- drivers/android/binder_internal.h | 84 ++++++++++ drivers/android/binderfs.c | 256 ++++++++++++++++++++++++++---- 3 files changed, 355 insertions(+), 72 deletions(-) -- 2.23.0.187.g17f5b7556c-goog