Commit-ID: aaa9b089f54bd56d23504153dce0b7fea9f21393
Gitweb: http://git.kernel.org/tip/aaa9b089f54bd56d23504153dce0b7fea9f21393
Author: "Ingo Molnar" <mingo@xxxxxxx>
AuthorDate: Thu, 5 Mar 2009 21:19:55 +0100
Commit: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 5 Mar 2009 21:19:55 +0100
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@xxxxxxx>
---
kernel/trace/Kconfig | 29 ++++++++++++++++-------------
1 files changed, 16 insertions(+), 13 deletions(-)
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 999c6a2..5d733da 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -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
+
--
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