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config RESCTRL_FS
bool "CPU Resource Control Filesystem (resctrl)"
depends on ARCH_HAS_CPU_RESCTRL
select KERNFS
select PROC_CPU_RESCTRL if PROC_FS
help
Some architectures provide hardware facilities to group tasks and
monitor and control their usage of memory system resources such as
caches and memory bandwidth. Examples of such facilities include
Intel's Resource Director Technology (Intel(R) RDT) and AMD's
Platform Quality of Service (AMD QoS).
If your system has the necessary support and you want to be able to
assign tasks to groups and manipulate the associated resource
monitors and controls from userspace, say Y here to get a mountable
'resctrl' filesystem that lets you do just that.
If nothing mounts or prods the 'resctrl' filesystem, resource
controls and monitors are left in a quiescent, permissive state.
On architectures where this can be disabled independently, it is
safe to say N.
See <file:Documentation/filesystems/resctrl.rst> for more information.
config RESCTRL_FS_PSEUDO_LOCK
bool
depends on RESCTRL_FS
help
Software mechanism to pin data in a cache portion using
micro-architecture specific knowledge.
config RESCTRL_RMID_DEPENDS_ON_CLOSID
bool
depends on RESCTRL_FS
help
Enabled by the architecture when the RMID values depend on the CLOSID.
This causes the CLOSID allocator to search for CLOSID with clean
RMID.
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