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-rw-r--r--init/Kconfig5
1 files changed, 4 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index c6c8903cb53..e44e25422f2 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"