diff options
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 99193b160232..d82875820a15 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -9,6 +9,7 @@ config 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, @@ -30,6 +31,18 @@ config OPROFILE_IBS 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 bool @@ -70,6 +83,13 @@ config KRETPROBES def_bool y depends on KPROBES && HAVE_KRETPROBES +config USER_RETURN_NOTIFIER + bool + depends on HAVE_USER_RETURN_NOTIFIER + help + Provide a kernel-internal notification when a cpu is about to + switch to user mode. + config HAVE_IOREMAP_PROT bool @@ -113,4 +133,13 @@ config HAVE_DMA_API_DEBUG config HAVE_DEFAULT_NO_SPIN_MUTEXES bool +config HAVE_HW_BREAKPOINT + bool + depends on HAVE_PERF_EVENTS + select ANON_INODES + select PERF_EVENTS + +config HAVE_USER_RETURN_NOTIFIER + bool + source "kernel/gcov/Kconfig" |