X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2FKconfig;h=7f418bbc261a0f825ab6072f935f1f974a2f746c;hb=ad0cd62ab632afe9b562b5f09343c21e1521505d;hp=b0fabfa864ffa12be40160f9b2c6d3b1010ab149;hpb=58340a07c194e0aed7bc58b61ff24330bb2a409f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/Kconfig b/arch/Kconfig index b0fabfa..7f418bb 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -6,6 +6,10 @@ config OPROFILE tristate "OProfile system profiling (EXPERIMENTAL)" depends on PROFILING depends on HAVE_OPROFILE + depends on TRACING_SUPPORT + select TRACING + select RING_BUFFER + select RING_BUFFER_ALLOW_SWAP help OProfile is a profiling system capable of profiling the whole system, include the kernel, kernel modules, libraries, @@ -13,8 +17,34 @@ 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 + depends on OPROFILE && X86 + help + The number of hardware counters is limited. The multiplexing + feature enables OProfile to gather more events than counters + are provided by the hardware. This is realized by switching + between events at an user specified time interval. + + If unsure, say N. + config HAVE_OPROFILE - def_bool n + bool config KPROBES bool "Kprobes" @@ -28,7 +58,7 @@ config KPROBES If in doubt, say "N". config HAVE_EFFICIENT_UNALIGNED_ACCESS - def_bool n + bool help Some architectures are unable to perform unaligned accesses without the use of get_unaligned/put_unaligned. Others are @@ -46,28 +76,54 @@ config HAVE_EFFICIENT_UNALIGNED_ACCESS See Documentation/unaligned-memory-access.txt for more information on the topic of unaligned memory accesses. +config HAVE_SYSCALL_WRAPPERS + bool + config KRETPROBES def_bool y depends on KPROBES && HAVE_KRETPROBES config HAVE_IOREMAP_PROT - def_bool n + bool config HAVE_KPROBES - def_bool n + bool config HAVE_KRETPROBES - def_bool n + bool + +# +# An arch should select this if it provides all these things: +# +# task_pt_regs() in asm/processor.h or asm/ptrace.h +# arch_has_single_step() if there is hardware single-step support +# arch_has_block_step() if there is hardware block-step support +# asm/syscall.h supplying asm-generic/syscall.h interface +# linux/regset.h user_regset interfaces +# CORE_DUMP_USE_REGSET #define'd in linux/elf.h +# TIF_SYSCALL_TRACE calls tracehook_report_syscall_{entry,exit} +# TIF_NOTIFY_RESUME calls tracehook_notify_resume() +# signal delivery calls tracehook_signal_handler() +# +config HAVE_ARCH_TRACEHOOK + bool config HAVE_DMA_ATTRS - def_bool n + bool config USE_GENERIC_SMP_HELPERS - def_bool n + bool config HAVE_CLK - def_bool n + bool help The calls support software clock gating and thus are a key power management tool on many systems. +config HAVE_DMA_API_DEBUG + bool + +config HAVE_DEFAULT_NO_SPIN_MUTEXES + bool + +source "kernel/gcov/Kconfig"