Commit 40ada30f authored by Ingo Molnar's avatar Ingo Molnar
Browse files

tracing: clean up menu 



Clean up menu structure, introduce TRACING_SUPPORT switch that signals
whether an architecture supports various instrumentation mechanisms.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 526211bc

arch/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ config OPROFILE 
	tristate "OProfile system profiling (EXPERIMENTAL)"

	depends on PROFILING

	depends on HAVE_OPROFILE

	depends on TRACING_SUPPORT

	select TRACING

	select RING_BUFFER

	help

kernel/trace/Kconfig

+16 −13
Original line number Diff line number Diff line
@@ -53,12 +53,22 @@ config TRACING 
	select TRACEPOINTS

	select NOP_TRACER



#

# Minimum requirements an architecture has to meet for us to

# be able to offer generic tracing facilities:

#

config TRACING_SUPPORT

	bool

	depends on TRACE_IRQFLAGS_SUPPORT

	depends on STACKTRACE_SUPPORT



if TRACING_SUPPORT



menu "Tracers"



config FUNCTION_TRACER

	bool "Kernel Function Tracer"

	depends on HAVE_FUNCTION_TRACER

	depends on DEBUG_KERNEL

	select FRAME_POINTER

	select KALLSYMS

	select TRACING
@@ -91,7 +101,6 @@ config IRQSOFF_TRACER 
	default n

	depends on TRACE_IRQFLAGS_SUPPORT

	depends on GENERIC_TIME

	depends on DEBUG_KERNEL

	select TRACE_IRQFLAGS

	select TRACING

	select TRACER_MAX_TRACE
@@ -114,7 +123,6 @@ config PREEMPT_TRACER 
	default n

	depends on GENERIC_TIME

	depends on PREEMPT

	depends on DEBUG_KERNEL

	select TRACING

	select TRACER_MAX_TRACE

	help
@@ -142,7 +150,6 @@ config SYSPROF_TRACER 


config SCHED_TRACER

	bool "Scheduling Latency Tracer"

	depends on DEBUG_KERNEL

	select TRACING

	select CONTEXT_SWITCH_TRACER

	select TRACER_MAX_TRACE
@@ -152,7 +159,6 @@ config SCHED_TRACER 


config CONTEXT_SWITCH_TRACER

	bool "Trace process context switches"

	depends on DEBUG_KERNEL

	select TRACING

	select MARKERS

	help
@@ -161,7 +167,6 @@ config CONTEXT_SWITCH_TRACER 


config EVENT_TRACER

	bool "Trace various events in the kernel"

	depends on DEBUG_KERNEL

	select TRACING

	help

	  This tracer hooks to various trace points in the kernel
@@ -170,7 +175,6 @@ config EVENT_TRACER 


config BOOT_TRACER

	bool "Trace boot initcalls"

	depends on DEBUG_KERNEL

	select TRACING

	select CONTEXT_SWITCH_TRACER

	help
@@ -188,7 +192,6 @@ config BOOT_TRACER 


config TRACE_BRANCH_PROFILING

	bool "Trace likely/unlikely profiler"

	depends on DEBUG_KERNEL

	select TRACING

	help

	  This tracer profiles all the the likely and unlikely macros
@@ -241,7 +244,6 @@ config BRANCH_TRACER 


config POWER_TRACER

	bool "Trace power consumption behavior"

	depends on DEBUG_KERNEL

	depends on X86

	select TRACING

	help
@@ -253,7 +255,6 @@ config POWER_TRACER 
config STACK_TRACER

	bool "Trace max stack"

	depends on HAVE_FUNCTION_TRACER

	depends on DEBUG_KERNEL

	select FUNCTION_TRACER

	select STACKTRACE

	select KALLSYMS
@@ -343,7 +344,6 @@ config DYNAMIC_FTRACE 
	bool "enable/disable ftrace tracepoints dynamically"

	depends on FUNCTION_TRACER

	depends on HAVE_DYNAMIC_FTRACE

	depends on DEBUG_KERNEL

	default y

	help

         This option will modify all the calls to ftrace dynamically
@@ -369,7 +369,7 @@ config FTRACE_SELFTEST 


config FTRACE_STARTUP_TEST

	bool "Perform a startup test on ftrace"

	depends on TRACING && DEBUG_KERNEL

	depends on TRACING

	select FTRACE_SELFTEST

	help

	  This option performs a series of startup tests on ftrace. On bootup
@@ -379,7 +379,7 @@ config FTRACE_STARTUP_TEST 


config MMIOTRACE

	bool "Memory mapped IO tracing"

	depends on HAVE_MMIOTRACE_SUPPORT && DEBUG_KERNEL && PCI

	depends on HAVE_MMIOTRACE_SUPPORT && PCI

	select TRACING

	help

	  Mmiotrace traces Memory Mapped I/O access and is meant for
@@ -401,3 +401,6 @@ config MMIOTRACE_TEST 
	  Say N, unless you absolutely know what you are doing.



endmenu



endif # TRACING_SUPPORT