Merge branch 'linus' into x86/pebs

[pandora-kernel.git] / arch / x86 / Kconfig.cpu

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2c518fb..468ffc2 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -415,3 +415,21 @@ config X86_MINIMUM_CPU_FAMILY
 config X86_DEBUGCTLMSR
        def_bool y
        depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
+
+config X86_DS
+       bool "Debug Store support"
+       default y
+       help
+         Add support for Debug Store.
+         This allows the kernel to provide a memory buffer to the hardware
+         to store various profiling and tracing events.
+
+config X86_PTRACE_BTS
+       bool "ptrace interface to Branch Trace Store"
+       default y
+       depends on (X86_DS && X86_DEBUGCTLMSR)
+       help
+         Add a ptrace interface to allow collecting an execution trace
+         of the traced task.
+         This collects control flow changes in a (cyclic) buffer and allows
+         debuggers to fill in the gaps and show an execution trace of the debuggee.