X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2FKconfig.debug;h=4448f91b865c10a48933a6a8d1c4ea645266b90c;hb=5a84d159061d914c8dd4aa372ac6e9529c2be453;hp=63f04c15e6f52924c98f91c1281c54cbdcb01ae9;hpb=463020ce428e2f00d4f33a383d6f39c7453a6854;p=linux-2.6

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 63f04c15e6..4448f91b86 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