linux-kernel - [PATCH v1] binder: transaction latency tracking for user build

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Date:   Tue, 4 Feb 2020 17:15:14 +0800
From:   Frankie Chang <Frankie.Chang@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Arve Hjønnevåg <arve@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <christian@...uner.io>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <wsd_upstream@...iatek.com>,
        <Jian-Min.Liu@...iatek.com>
Subject: [PATCH v1] binder: transaction latency tracking for user build

Record start/end timestamp to binder transaction.
When transaction is completed or transaction is free,
it would be checked if transaction latency over threshold (2 sec),
if yes, printing related information for tracing.


Frankie Chang (1):
  binder: transaction latency tracking for user build

 drivers/android/Kconfig           |    8 +++
 drivers/android/binder.c          |  107 +++++++++++++++++++++++++++++++++++++
 drivers/android/binder_internal.h |    4 ++
 3 files changed, 119 insertions(+)