diff options
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 7f418bbc261a..215e46073c45 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -3,11 +3,9 @@ # config OPROFILE - tristate "OProfile system profiling (EXPERIMENTAL)" + tristate "OProfile system profiling" depends on PROFILING depends on HAVE_OPROFILE - depends on TRACING_SUPPORT - select TRACING select RING_BUFFER select RING_BUFFER_ALLOW_SWAP help @@ -17,20 +15,6 @@ config OPROFILE If unsure, say N. -config OPROFILE_IBS - bool "OProfile AMD IBS support (EXPERIMENTAL)" - default n - depends on OPROFILE && SMP && X86 - help - Instruction-Based Sampling (IBS) is a new profiling - technique that provides rich, precise program performance - information. IBS is introduced by AMD Family10h processors - (AMD Opteron Quad-Core processor "Barcelona") to overcome - the limitations of conventional performance counter - sampling. - - If unsure, say N. - config OPROFILE_EVENT_MULTIPLEX bool "OProfile multiplexing support (EXPERIMENTAL)" default n @@ -83,6 +67,13 @@ config KRETPROBES def_bool y depends on KPROBES && HAVE_KRETPROBES +config USER_RETURN_NOTIFIER + bool + depends on HAVE_USER_RETURN_NOTIFIER + help + Provide a kernel-internal notification when a cpu is about to + switch to user mode. + config HAVE_IOREMAP_PROT bool @@ -114,6 +105,14 @@ config HAVE_DMA_ATTRS config USE_GENERIC_SMP_HELPERS bool +config HAVE_REGS_AND_STACK_ACCESS_API + bool + help + This symbol should be selected by an architecure if it supports + the API needed to access registers and stack entries from pt_regs, + declared in asm/ptrace.h + For example the kprobes-based event tracer needs this API. + config HAVE_CLK bool help @@ -126,4 +125,11 @@ config HAVE_DMA_API_DEBUG config HAVE_DEFAULT_NO_SPIN_MUTEXES bool +config HAVE_HW_BREAKPOINT + bool + depends on PERF_EVENTS + +config HAVE_USER_RETURN_NOTIFIER + bool + source "kernel/gcov/Kconfig" |