summaryrefslogtreecommitdiffstats
path: root/arch/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 99193b16023..7f418bbc261 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