linux-kernel - Re: [PATCH v3 0/7] Venus dynamic debug

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Date:   Tue, 9 Jun 2020 09:03:39 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Matthew Wilcox <willy@...radead.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-acpi@...r.kernel.org,
        netdev@...r.kernel.org, Joe Perches <joe@...ches.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Baron <jbaron@...mai.com>
Subject: Re: [PATCH v3 0/7] Venus dynamic debug

On 6/9/20 4:13 AM, Matthew Wilcox wrote:
> On Tue, Jun 09, 2020 at 01:45:57PM +0300, Stanimir Varbanov wrote:
>> Here is the third version of dynamic debug improvements in Venus
>> driver.  As has been suggested on previous version by Joe [1] I've
>> made the relevant changes in dynamic debug core to handle leveling
>> as more generic way and not open-code/workaround it in the driver.
>>
>> About changes:
>>  - added change in the dynamic_debug and in documentation
>>  - added respective pr_debug_level and dev_dbg_level
> 
> Honestly, this seems like you want to use tracepoints, not dynamic debug.
> 

Also see this patch series:
https://lore.kernel.org/lkml/20200605162645.289174-1-jim.cromie@gmail.com/
[PATCH 00/16] dynamic_debug: cleanups, 2 features

It adds/expands dynamic debug flags quite a bit.

-- 
~Randy