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tracing: clean up menu 

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

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-03-05 21:19:55 +01:00
parent 526211bc58
commit 40ada30f96
2 changed files with 17 additions and 13 deletions
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1
arch/Kconfig
View File

@ -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

29
kernel/trace/Kconfig
View File

@ -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