> -----Original Message----- > From: Jeff Johnson (QUIC) <quic_jjohnson@xxxxxxxxxxx> > Sent: Tuesday, April 30, 2024 3:05 AM > To: Ramya Gnanasekar (Temp) (QUIC) <quic_rgnanase@xxxxxxxxxxx>; > ath12k@xxxxxxxxxxxxxxxxxxx > Cc: linux-wireless@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 0/4] wifi: ath12k: Add support to enable debugfs_htt_stats > > On 4/29/2024 10:38 AM, Ramya Gnanasekar wrote: > > Bring in the basic infrastructure necessary for enabling htt_stats via debugfs. > > Patch series bring support to request stats type to firmware, dump the > > stats and request to reset the stats from firmware. > > > > Schema with one ath12k device: > > > > ath12k > > `-- pci-0000:06:00.0 > > |-- mac0 > > `-- htt_stats > > |-- htt_stats_type > > |-- htt_stats_reset > > > > Dinesh Karthikeyan (3): > > wifi: ath12k: Add support to enable debugfs_htt_stats > > wifi: ath12k: Add htt_stats_dump file ops support > > wifi: ath12k: Add support to parse requested stats_type > > > > Ramya Gnanasekar (1): > > wifi: ath12k: Dump additional Tx PDEV HTT stats > > > > drivers/net/wireless/ath/ath12k/Makefile | 2 +- > > drivers/net/wireless/ath/ath12k/core.h | 11 + > > drivers/net/wireless/ath/ath12k/debugfs.c | 3 + > > .../wireless/ath/ath12k/debugfs_htt_stats.c | 713 ++++++++++++++++++ > > .../wireless/ath/ath12k/debugfs_htt_stats.h | 300 ++++++++ > > drivers/net/wireless/ath/ath12k/dp_rx.c | 10 +- > > drivers/net/wireless/ath/ath12k/dp_rx.h | 4 + > > 7 files changed, 1038 insertions(+), 5 deletions(-) create mode > > 100644 drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c > > create mode 100644 > > drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h > > > > > > base-commit: 326f8f68f28b0b831233acfabffb486a5b0f4717 > > testing on my laptop > > good news is the files are being populated: > # ls /sys/kernel/debug/ath12k/pci-0000\:03\:00.0/mac0/ > dfs_simulate_radar htt_stats htt_stats_reset htt_stats_type > > bad news is: > # echo 1 > /sys/kernel/debug/ath12k/pci-0000\:03\:00.0/mac0/htt_stats_type > # cat /sys/kernel/debug/ath12k/pci-0000\:03\:00.0/mac0/htt_stats > cat: '/sys/kernel/debug/ath12k/pci-0000:03:00.0/mac0/htt_stats': Connection > timed out > > journalctl shows: > Apr 29 14:17:16 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: htc rx > completion ep 2 skb ffff8c4e50e5ed00 Apr 29 14:17:19 qca-HP-ZBook-14-G2 > kernel: ath12k_pci 0000:03:00.0: stats request timed out > > so something isn't right, at least for WCN7850 > > has this been tested with upstream kernel? Tested on QCN9274 upstream kernel. HTT stats event is not received by host upon stats request. Will check further on this.
