iwmc3200wifi: add ftrace event tracing support
Add event tracer for iwmc3200wifi driver. When enabled, all the
commands and responses between the driver and firmware (also
including Tx/Rx frames) will be recorded in the ftrace ring buffer.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwmc3200wifi/Kconfig b/drivers/net/wireless/iwmc3200wifi/Kconfig
index b9d34a7..03f998d 100644
--- a/drivers/net/wireless/iwmc3200wifi/Kconfig
+++ b/drivers/net/wireless/iwmc3200wifi/Kconfig
@@ -17,7 +17,7 @@
config IWM_DEBUG
bool "Enable full debugging output in iwmc3200wifi"
depends on IWM && DEBUG_FS
- ---help---
+ help
This option will enable debug tracing and setting for iwm
You can set the debug level and module through debugfs. By
@@ -30,3 +30,10 @@
Or, if you want the full debug, for all modules:
echo 0xff > /sys/kernel/debug/iwm/phyN/debug/level
echo 0xff > /sys/kernel/debug/iwm/phyN/debug/modules
+
+config IWM_TRACING
+ bool "Enable event tracing for iwmc3200wifi"
+ depends on IWM && EVENT_TRACING
+ help
+ Say Y here to trace all the commands and responses between
+ the driver and firmware (including TX/RX frames) with ftrace.