diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:59:49 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:59:49 +0100 |
commit | 2702e0a46c2d28da92b32c9b068ee1291fc0de35 (patch) | |
tree | c1e9868a4b91beeebd5f4e820588bc2ae8371911 /kernel/trace/Kconfig | |
parent | 42bb8cc5e81028e217105299001070d57eb84ad7 (diff) | |
parent | adfafefd104d840ee4461965f22624d77532675b (diff) |
Merge branch 'linus' into timers/hpet
Diffstat (limited to 'kernel/trace/Kconfig')
-rw-r--r-- | kernel/trace/Kconfig | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index e2a4ff6fc3a..34e707e5ab8 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -52,6 +52,7 @@ config FUNCTION_TRACER depends on HAVE_FUNCTION_TRACER depends on DEBUG_KERNEL select FRAME_POINTER + select KALLSYMS select TRACING select CONTEXT_SWITCH_TRACER help @@ -238,6 +239,7 @@ config STACK_TRACER depends on DEBUG_KERNEL select FUNCTION_TRACER select STACKTRACE + select KALLSYMS help This special tracer records the maximum stack footprint of the kernel and displays it in debugfs/tracing/stack_trace. @@ -302,4 +304,27 @@ config FTRACE_STARTUP_TEST functioning properly. It will do tests on all the configured tracers of ftrace. +config MMIOTRACE + bool "Memory mapped IO tracing" + depends on HAVE_MMIOTRACE_SUPPORT && DEBUG_KERNEL && PCI + select TRACING + help + Mmiotrace traces Memory Mapped I/O access and is meant for + debugging and reverse engineering. It is called from the ioremap + implementation and works via page faults. Tracing is disabled by + default and can be enabled at run-time. + + See Documentation/tracers/mmiotrace.txt. + If you are not helping to develop drivers, say N. + +config MMIOTRACE_TEST + tristate "Test module for mmiotrace" + depends on MMIOTRACE && m + help + This is a dumb module for testing mmiotrace. It is very dangerous + as it will write garbage to IO memory starting at a given address. + However, it should be safe to use on e.g. unused portion of VRAM. + + Say N, unless you absolutely know what you are doing. + endmenu |