1 files changed, 11 insertions, 0 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 63f04c15e6f5..4448f91b865c 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -134,6 +134,17 @@ config SCHEDSTATS
           application, you can say N to avoid the very slight overhead
           this adds.
 
+config TIMER_STATS
+        bool "Collect kernel timers statistics"
+        depends on DEBUG_KERNEL && PROC_FS
+        help
+          If you say Y here, additional code will be inserted into the
+          timer routines to collect statistics about kernel timers being
+          reprogrammed. The statistics can be read from /proc/timer_stats.
+          The statistics collection is started by writing 1 to /proc/timer_stats,
+          writing 0 stops it. This feature is useful to collect information
+          about timer usage patterns in kernel and userspace.
+
 config DEBUG_SLAB
         bool "Debug slab memory allocations"
         depends on DEBUG_KERNEL && SLAB