Re: [PATCH ath-next v2 0/3] wifi: ath12k: Improve dp stats

On 6/26/2026 4:52 PM, Sreeramya Soratkal wrote:
> This short series improves the device_dp_stats debugfs interface in
> ath12k to produce more useful and accurate diagnostic output in MLO
> configurations.
> 
> Patch 1 fixes a latent correctness issue where the REO Rx and WBM
> release error tables were unconditionally printed for
> ATH12K_MAX_DEVICES columns showing zero-filled entries for device
> slots that have no hardware. Replacing the compile-time constant
> with the runtime device count keeps the output compact and correct.
> 
> Patch 2 prepends a ktime-based millisecond timestamp to the top of
> the dump. In MLO setups the per-device file is to be read
> independently for each ath12k instance, so without a common timestamp
> it is difficult to verify whether two snapshots are contemporaneous,
> making cross-device counter comparisons unreliable.
> 
> Patch 3 extends the existing per-radio section to report the center
> frequency on which each radio is currently operating.  This allows
> the reader to correlate throughput and error counters with the channel
> without having to cross-reference iw/nl80211 output separately.
> 
> ---
> Changes in v2:
> - Rebased the patch series on the latest tip of ath-next
> ---
> 
> Sreeramya Soratkal (3):
>   wifi: ath12k: Use runtime device count in dp stats display
>   wifi: ath12k: Add timestamp to dp stats display
>   wifi: ath12k: Show per-radio center freq in dp stats
> 
>  drivers/net/wireless/ath/ath12k/debugfs.c | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
> 
> 
> base-commit: 972c4dd19cb92e03d75b66c426cfade07582a1ba

Reviewed-by: Baochen Qiang <[email protected]>