Venkateswara Naralasetty <vnaralas@xxxxxxxxxxxxxx> wrote: > ath10k_dbg() is called in ath10k_process_rx() with huge set of arguments > which is causing CPU overhead even when debug_mask is not set. > Good improvement was observed in the receive side performance when call > to ath10k_dbg() is avoided in the RX path. > > Since currently all debug messages are sent via tracing infrastructure, > we cannot entirely avoid calling ath10k_dbg. Therefore, call to > ath10k_dbg() is made conditional based on tracing config in the driver. > > Trasmit performance remains unchanged with this patch; below are some > experimental results with this patch and tracing disabled. > > mesh mode: > > w/o this patch with this patch > Traffic TP CPU Usage TP CPU usage > > TCP 840Mbps 76.53% 960Mbps 78.14% > UDP 1030Mbps 74.58% 1132Mbps 74.31% > > Infra mode: > > w/o this patch with this patch > Traffic TP CPU Usage TP CPU usage > > TCP Rx 1241Mbps 80.89% 1270Mbps 73.50% > UDP Rx 1433Mbps 81.77% 1472Mbps 72.80% > > Tested platform : IPQ8064 > hardware used : QCA9984 > firmware ver : ver 10.4-3.5.3-00057 > > Signed-off-by: Kan Yan <kyan@xxxxxxxxxxxx> > Signed-off-by: Venkateswara Naralasetty <vnaralas@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 9d740d6380e5 ath10k: Add wrapper function to ath10k debug -- https://patchwork.kernel.org/patch/10919117/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
