2020-06-27 15:30:39

by Ben Greear

[permalink] [raw]
Subject: Re: [PATCH] ath10k: Add history for tracking certain events



On 06/26/2020 11:22 PM, Rakesh Pillai wrote:
> For debugging many issues, a history of the
> below mentioned events can help get an idea
> of what exactly was going on just before any
> issue occurred in the system. These event
> history will be collected only when the host
> driver is run in debug mode (i.e. with the
> config ATH10K_DEBUG enabled).

This should be disabled by default unless user specifically pokes some debugfs
value to turn it on so that it does not impact performance.

Thanks,
Ben

>
> Add history for tracking the below events
> - register read
> - register write
> - IRQ trigger
> - IRQ Enable
> - IRQ Disable
> - NAPI poll
> - CE service
> - WMI cmd
> - WMI event
> - WMI tx completion
>
> This will help in debugging any crash or any
> improper behaviour.


--
Ben Greear <[email protected]>
Candela Technologies Inc http://www.candelatech.com