diff options
Diffstat (limited to 'arch/x86/Kconfig.cpu')
-rw-r--r-- | arch/x86/Kconfig.cpu | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index b225219c448c..60a85768cfcb 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu | |||
@@ -418,3 +418,21 @@ config X86_MINIMUM_CPU_FAMILY | |||
418 | config X86_DEBUGCTLMSR | 418 | config X86_DEBUGCTLMSR |
419 | def_bool y | 419 | def_bool y |
420 | depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) | 420 | depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) |
421 | |||
422 | config X86_DS | ||
423 | bool "Debug Store support" | ||
424 | default y | ||
425 | help | ||
426 | Add support for Debug Store. | ||
427 | This allows the kernel to provide a memory buffer to the hardware | ||
428 | to store various profiling and tracing events. | ||
429 | |||
430 | config X86_PTRACE_BTS | ||
431 | bool "ptrace interface to Branch Trace Store" | ||
432 | default y | ||
433 | depends on (X86_DS && X86_DEBUGCTLMSR) | ||
434 | help | ||
435 | Add a ptrace interface to allow collecting an execution trace | ||
436 | of the traced task. | ||
437 | This collects control flow changes in a (cyclic) buffer and allows | ||
438 | debuggers to fill in the gaps and show an execution trace of the debuggee. | ||