"The TIMER_STATS feature, which made some timer statistics available in /proc/timer_stats, has been removed. It was seen as a security problem, since it could leak process information across namespaces; the tracing subsystem should be used to get this information instead."
From https:/ /lwn.net/ Articles/ 714710/
"The TIMER_STATS feature, which made some timer statistics available in /proc/timer_stats, has been removed. It was seen as a security problem, since it could leak process information across namespaces; the tracing subsystem should be used to get this information instead."