diff options
Diffstat (limited to 'arch/Kconfig')
-rw-r--r-- | arch/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index b0fabfa864ff..2651af48b2e5 100644 --- a/arch/Kconfig +++ b/arch/Kconfig | |||
@@ -13,6 +13,20 @@ config OPROFILE | |||
13 | 13 | ||
14 | If unsure, say N. | 14 | If unsure, say N. |
15 | 15 | ||
16 | config OPROFILE_IBS | ||
17 | bool "OProfile AMD IBS support (EXPERIMENTAL)" | ||
18 | default n | ||
19 | depends on OPROFILE && SMP && X86 | ||
20 | help | ||
21 | Instruction-Based Sampling (IBS) is a new profiling | ||
22 | technique that provides rich, precise program performance | ||
23 | information. IBS is introduced by AMD Family10h processors | ||
24 | (AMD Opteron Quad-Core processor “Barcelona”) to overcome | ||
25 | the limitations of conventional performance counter | ||
26 | sampling. | ||
27 | |||
28 | If unsure, say N. | ||
29 | |||
16 | config HAVE_OPROFILE | 30 | config HAVE_OPROFILE |
17 | def_bool n | 31 | def_bool n |
18 | 32 | ||