linux-kernel - Re: [RFC Patch v2 0/3] I2C statistics as sysfs attributes

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Message-ID: <YdLFc/sJDf8rrPQ6@ninjato>
Date:   Mon, 3 Jan 2022 10:44:19 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Sui Chen <suichen@...gle.com>
Cc:     linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
        linux-i2c@...r.kernel.org, joel@....id.au, andrew@...id.au,
        tali.perry1@...il.com, benjaminfair@...gle.com, krellan@...gle.com,
        joe@...ches.com
Subject: Re: [RFC Patch v2 0/3] I2C statistics as sysfs attributes


> - Because we're targeting at-scale monitoring of fleets of machines
>    in large numbers with identical hardware configuration, the
>    I2C counters (including NACK) can be used for apples-to-apples
>    comparison, for detecting anomaly, etc., while this may not be
>    applicable to a single machine.

Okay, I buy this argument. Let's work on this during the next cycle.
From a glimpse, we need some refactoring, like moving stuff away from
i2c-dev into the core and probably add a generic stats-struct which can
be attached to i2c_adapter. But I'll respond to that in more detail to
v3 when I have a better picture.


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