linux-kernel - Re: [PATCH v5] binder: transaction latency tracking for user build

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Message-ID: <1595252430.5899.6.camel@mtkswgap22>
Date:   Mon, 20 Jul 2020 21:40:30 +0800
From:   Frankie Chang <Frankie.Chang@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        ". Todd Kjos" <tkjos@...gle.com>
CC:     Joel Fernandes <joel@...lfernandes.org>,
        Martijn Coenen <maco@...roid.com>,
        Arve Hjønnevåg <arve@...roid.com>,
        Christian Brauner <christian@...uner.io>,
        LKML <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        wsd_upstream <wsd_upstream@...iatek.com>,
        Jian-Min Liu <Jian-Min.Liu@...iatek.com>
Subject: Re: [PATCH v5] binder: transaction latency tracking for user build

Hi Greg, Todd and all

Gentle ping for this patch set

Thanks

On Thu, 2020-07-02 at 21:25 +0800, Frankie Chang wrote:
> Hi Greg, Todd and all
> 
> Gentle remind of this patch set
> 
> Thanks.
> Frankie
> 
> On Wed, 2020-06-10 at 20:23 +0800, Frankie Chang wrote:
> > Frankie.Chang (3):
> >   binder: move structs from core file to header file
> >   binder: add trace at free transaction.
> >   binder: add transaction latency tracer
> > 
> >  drivers/android/Kconfig                 |   8 +
> >  drivers/android/Makefile                |   1 +
> >  drivers/android/binder.c                | 408 +----------------------
> >  drivers/android/binder_internal.h       | 416 ++++++++++++++++++++++++
> >  drivers/android/binder_latency_tracer.c | 108 ++++++
> >  drivers/android/binder_trace.h          |  49 +++
> >  6 files changed, 586 insertions(+), 404 deletions(-)  create mode 100644 drivers/android/binder_latency_tracer.c
> > 
> > Change from v5:
> >   - change config name to the proper one, CONFIG_BINDER_TRANSACTION_LATENCY_TRACKING.
> >   - change tracepoint name to more descriptive one, trace_binder_txn_latency_(alloc|info|free)
> >   - enhance some lock protection.
> > 
> > Change from v4:
> >   - split up into patch series.
> > 
> > Change from v3:
> >   - use tracepoints for binder_update_info and print_binder_transaction_ext,
> >     instead of custom registration functions.
> > 
> > Change from v2:
> >   - create transaction latency module to monitor slow transaction.
> > 
> > Change from v1:
> >   - first patchset.
>