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Date:   Wed, 10 Apr 2019 14:41:39 -0600
From:   Ross Zwisler <zwisler@...gle.com>
To:     Raul E Rangel <rrangel@...omium.org>
Cc:     linux-kernel@...r.kernel.org, zwisler@...omium.org,
        djkurtz@...omium.org,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Benson Leung <bleung@...omium.org>
Subject: Re: [PATCH] cros_ec: Add trace event to trace EC commands

On Wed, Apr 10, 2019 at 02:24:08PM -0600, Raul E Rangel wrote:
> This is useful to see which EC commands are being executed and when.
> 
> To enable:
> 
>     echo 'cros_ec:*' >> /sys/kernel/debug/tracing/set_event
> 
> Example:
> 
>     /* cros_ec_cmd: version: 0, command: GET_VERSION */
>     /* cros_ec_cmd: version: 0, command: GET_PROTOCOL_INFO */
>     /* cros_ec_cmd: version: 1, command: GET_CMD_VERSIONS */
>     /* cros_ec_cmd: version: 1, command: USB_PD_CONTROL */
> 
> Signed-off-by: Raul E Rangel <rrangel@...omium.org>

Reviewed-by: Ross Zwisler <zwisler@...gle.com>

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