1config RESCTRL_FS 2 bool "CPU Resource Control Filesystem (resctrl)" 3 depends on ARCH_HAS_CPU_RESCTRL 4 select KERNFS 5 select PROC_CPU_RESCTRL if PROC_FS 6 help 7 Some architectures provide hardware facilities to group tasks and 8 monitor and control their usage of memory system resources such as 9 caches and memory bandwidth. Examples of such facilities include 10 Intel's Resource Director Technology (Intel(R) RDT) and AMD's 11 Platform Quality of Service (AMD QoS). 12 13 If your system has the necessary support and you want to be able to 14 assign tasks to groups and manipulate the associated resource 15 monitors and controls from userspace, say Y here to get a mountable 16 'resctrl' filesystem that lets you do just that. 17 18 If nothing mounts or prods the 'resctrl' filesystem, resource 19 controls and monitors are left in a quiescent, permissive state. 20 21 On architectures where this can be disabled independently, it is 22 safe to say N. 23 24 See <file:Documentation/filesystems/resctrl.rst> for more information. 25 26config RESCTRL_FS_PSEUDO_LOCK 27 bool 28 depends on RESCTRL_FS 29 help 30 Software mechanism to pin data in a cache portion using 31 micro-architecture specific knowledge. 32 33config RESCTRL_RMID_DEPENDS_ON_CLOSID 34 bool 35 depends on RESCTRL_FS 36 help 37 Enabled by the architecture when the RMID values depend on the CLOSID. 38 This causes the CLOSID allocator to search for CLOSID with clean 39 RMID. 40