summaryrefslogtreecommitdiff
path: root/init/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig5
1 files changed, 4 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index c6c8903cb534..e44e25422f22 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -944,8 +944,11 @@ config PERF_USE_VMALLOC
config PERF_EVENTS_NMI
bool
+ depends on PERF_EVENTS
help
- Arch has support for nmi_watchdog
+ System hardware can generate an NMI using the perf event
+ subsystem. Also has support for calculating CPU cycle events
+ to determine how many clock cycles in a given period.
menu "Kernel Performance Events And Counters"