menuconfig STM_TRACE bool "STM MIPI Trace driver" depends on ARCH_U8500 help Simple System Trace Module driver. It allows to use and configure the STM, either from kernel space, or from user space. if STM_TRACE config STM_NUMBER_OF_CHANNEL int default 512 if ARCH_U8500 default 256 help Number Max of channels always a multiple of 256 config STM_PRINTK bool "printk support" depends on STM_TRACE help Duplicate printk output on STM printk channel & activate stm_printk config STM_PRINTK_CHANNEL int "printk channel" range 0 255 depends on STM_PRINTK default 255 help STM printk channel number config STM_FTRACE bool "functions tracing" depends on FTRACE default y help Output function tracing on STM dedicated channel config STM_FTRACE_CHANNEL int "ftrace channel" range 0 255 depends on STM_FTRACE default 254 help STM ftrace channel number config STM_CTX_SWITCH bool "Context switch tracing" depends on CONTEXT_SWITCH_TRACER default y help Output scheduler context switch on STM dedicated channel config STM_CTX_SWITCH_CHANNEL int "Context switch channel" range 0 255 depends on STM_CTX_SWITCH default 253 help STM Context switch channel number config STM_WAKEUP bool "Scheduler wakeup tracing" depends on CONTEXT_SWITCH_TRACER default y help Output scheduler wakeup on STM dedicated channel config STM_WAKEUP_CHANNEL int "Wakeup channel" range 0 255 depends on STM_WAKEUP default 252 help STM scheduler wakeup channel number config STM_STACK_TRACE bool "Stack tracing" depends on STACKTRACE default y help Output stack tracing on STM dedicated channel config STM_STACK_TRACE_CHANNEL int "Stack trace channel" range 0 255 depends on STM_STACK_TRACE default 251 help STM stack trace channel number config STM_TRACE_PRINTK bool "trace printk & binary printk support" depends on TRACING default y help Duplicate trace printk output on STM printk channel config STM_TRACE_PRINTK_CHANNEL int "trace_printk channel" range 0 255 depends on TRACING default 250 help STM trace_printk channel number config STM_TRACE_BPRINTK_CHANNEL int "trace_bprintk channel" range 0 255 depends on TRACING default 249 help STM trace binary printk channel number endif