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 0B79AC3A5A2 for ; Tue, 3 Sep 2019 16:17:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2C8522CF8 for ; Tue, 3 Sep 2019 16:17:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="kSu3Gk9P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730014AbfICQRD (ORCPT ); Tue, 3 Sep 2019 12:17:03 -0400 Received: from mail-pf1-f201.google.com ([209.85.210.201]:47491 "EHLO mail-pf1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728571AbfICQRD (ORCPT ); Tue, 3 Sep 2019 12:17:03 -0400 Received: by mail-pf1-f201.google.com with SMTP id t65so6181415pfd.14 for ; Tue, 03 Sep 2019 09:17:03 -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=UrlqrCIUzfMhHCe5wLYX0g77V45RijxDNiDyP3pgT14=; b=kSu3Gk9PM4NfwgdqpreP7IkrcxZKUGfh/Gg2sQoZAg2CdsYxa8/nOjytFhOHd2YQvY sDChXAY8pVl0ut4pI8JJimC7cOyd0egf6mtNQrRgTeRRPhG86RGOVUOEOHm74Xvg0TSJ ilk0dgeJec4iYaHwUhXXDvtacqrE65ifpiOtnrVSuFXQ6jBzvaqUGoRcTYsid92kONeh nsaIodZbK3IpsB54D+2AxH8vC8Pa1ApnCRHrDR46CLc6OcRjEgX4OygtVvPXTFgfl1Fw Pm3d5HVb8TQJLgrIL17SUCFT602XI4YiwEeKAzmEfeBcYZma/vBqdO3qUAl1OwUUXSlw 96CQ== 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=UrlqrCIUzfMhHCe5wLYX0g77V45RijxDNiDyP3pgT14=; b=H3zrX0mFSj2hxeXoK/118Ta6Md+O92WPn5UHmbkVExhyvMUfwl8YXducNDkTobPJSz asBwb4U2pmrkO0012UK1S6fVWPbMBCLkuFRM8l7ekDlUb373LXRXSbizoCBbL+3JelcN Q4tJhp6TIIe9b4gyKRSfbT/iphf+nRCP/UvUu8O/IQ5xiRijYMdrN3bckBgRMHga+154 EJxFOyiU9i8InwOI37HbgLrhHkkO7TBsevY24Q2LMPEDJZqqm9v67/+40rByTtdnmA1d qi6XIa6jfP/V7lW7U0fxvLwM8XnjLWwWPk0QWnYNz7W5hXNv0GbHcpzG4zPil+RrfBLW Pnfw== X-Gm-Message-State: APjAAAXE3H7u12nTC136enCV+uA/OFiD9KnXnzUo+ozF4mWxPcpARLcg XgyMwtmPxnsQlPuFqhWRtDHl7Qtag34= X-Google-Smtp-Source: APXvYqx514tvSIuvTeW1+JBrh6dQloiVYGBy9lkamMCGeewg5BgyrCFeE8lQdhAeGjwqHdAf0hlbC5cQ+lQ= X-Received: by 2002:a65:684a:: with SMTP id q10mr31337177pgt.417.1567527422227; Tue, 03 Sep 2019 09:17:02 -0700 (PDT) Date: Tue, 3 Sep 2019 09:16:51 -0700 Message-Id: <20190903161655.107408-1-hridya@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.23.0.187.g17f5b7556c-goog Subject: [PATCH v3 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 | 95 ++++++----- drivers/android/binder_internal.h | 84 ++++++++++ drivers/android/binderfs.c | 255 ++++++++++++++++++++++++++---- 3 files changed, 362 insertions(+), 72 deletions(-) -- 2.23.0.187.g17f5b7556c-goog