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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
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+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
+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