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/openbmc/linux/drivers/net/wireless/ath/ath10k/
H A Dtrace.c9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
H A Dtrace.h9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
H A Ddebug.h9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
H A Ddebug.c9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
H A Dcore.c9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
9d740d63 Mon May 27 07:32:13 CDT 2019 Venkateswara Naralasetty <vnaralas@codeaurora.org> ath10k: Add wrapper function to ath10k debug

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@chromium.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>