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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-10 10:20:51 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-10 10:20:51 +0400 |
| commit | 81faaae45701484bd7368336e02f2a846153b22f (patch) | |
| tree | d7d8dcafe5bb22decb0024537478fb667b0c896b /arch/x86/Kconfig.cpu | |
| parent | f69feff720497237ae9dd2f4604921bd3080c421 (diff) | |
| parent | 3c9339049df5cc3a468c11de6c4101a1ea8c3d83 (diff) | |
| download | linux-81faaae45701484bd7368336e02f2a846153b22f.tar.xz | |
Merge branch 'x86/pebs' into x86/unify-cpu-detect
Conflicts:
arch/x86/Kconfig.cpu
include/asm-x86/ds.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 ab77d409fee0..1b29d6a87563 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -477,3 +477,21 @@ config CPU_SUP_UMC_32 depends on !64BIT help This enables extended support for UMC processors + +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. |