linux-kernel - [PATCH v2 0/4] Add binder state and statistics to binderfs

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Message-Id: <20190829211812.32520-1-hridya@google.com>
Date:   Thu, 29 Aug 2019 14:18:08 -0700
From:   Hridya Valsaraju <hridya@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Arve Hjønnevåg" <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <christian@...uner.io>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:     kernel-team@...roid.com, Hridya Valsaraju <hridya@...gle.com>
Subject: [PATCH v2 0/4] Add binder state and statistics to binderfs

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