you want to run the DOS emulator dosemu under Linux (read the
DOSEMU-HOWTO, available from <http://www.tldp.org/docs.html#howto>),
you'll need to say Y here.
- DOSEMU-HOWTO, available from <http://www.tldp.org/docs.html#howto>),
- you'll need to say Y here.
You can find documentation about IPC with "info ipc" and also in
section 6.4 of the Linux Programmer's Guide, available from
one of the resource controllers below. Say N if you are unsure.
config RCFS_FS
- tristate "Resource Class File System (User API)"
- depends on CKRM
- help
+ tristate "Resource Class File System (User API)"
+ depends on CKRM
+ help
RCFS is the filesystem API for CKRM. This separate configuration
option is provided only for debugging and will eventually disappear
since rcfs will be automounted whenever CKRM is configured.
- Say N if unsure, Y if you've enabled CKRM, M to debug rcfs
+ Say N if unsure, Y if you've enabled CKRM, M to debug rcfs
initialization.
config CKRM_TYPE_TASKCLASS
bool "Class Manager for Task Groups"
- depends on CKRM
+ depends on CKRM && RCFS_FS
help
TASKCLASS provides the extensions for CKRM to track task classes
This is the base to enable task class based resource control for
tristate "Null Tasks Resource Manager"
depends on CKRM_TYPE_TASKCLASS
default m
+
+config CKRM_RES_MEM
+ bool "Class based physical memory controller"
+ default y
+ depends on CKRM
+ help
+ Provide the basic support for collecting physical memory usage
+ information among classes. Say Y if you want to know the memory
+ usage of each class.
+
+config CKRM_TYPE_SOCKETCLASS
+ bool "Class Manager for socket groups"
+ depends on CKRM && RCFS_FS
help
Provides a Null Resource Controller for CKRM that is purely for
demonstration purposes.
Say N if unsure, Y to use the feature.
+
config CKRM_RES_NUMTASKS
tristate "Number of Tasks Resource Manager"
depends on CKRM_TYPE_TASKCLASS
default m
help
- Provides a Resource Controller for CKRM that allows limiting no of
+ Provides a Resource Controller for CKRM that allows limiting number of
tasks a task class can have.
Say N if unsure, Y to use the feature.
+config CKRM_RES_NUMTASKS_FORKRATE
+ tristate "Number of Tasks Resource Manager for Fork Rate"
+ depends on CKRM_RES_NUMTASKS
+ default y
+ help
+ Provides a Resource Controller for CKRM that allows limiting the rate
+ of tasks a task class can fork per hour.
+
+ Say N if unsure, Y to use the feature.
+
+
config CKRM_CPU_SCHEDULE
bool "CKRM CPU scheduler"
depends on CKRM_TYPE_TASKCLASS
Say N if unsure, Y to use the feature.
-config CKRM_RES_MEM
- bool "Class based physical memory controller"
- default y
- depends on CKRM
- help
- Provide the basic support for collecting physical memory usage information
- among classes. Say Y if you want to know the memory usage of each class.
-
-config CKRM_MEM_LRUORDER_CHANGE
- bool "Change the LRU ordering of scanned pages"
- default n
- depends on CKRM_RES_MEM
- help
- While trying to free pages, by default(n), scanned pages are left were they
- are found if they belong to relatively under-used class. In this case the
- LRU ordering of the memory subsystemis left intact. If this option is chosen,
- then the scanned pages are moved to the tail of the list(active or inactive).
- Changing this to yes reduces the checking overhead but violates the approximate
- LRU order that is maintained by the paging subsystem.
-
config CKRM_CPU_SCHEDULE_AT_BOOT
bool "Turn on at boot time"
depends on CKRM_CPU_SCHEDULE
If unsure, say N.
+choice
+ prompt "Classification Engine"
+ depends on CKRM && RCFS_FS
+ optional
+ help
+ Select a classification engine (CE) that assists in
+ automatic classification of kernel objects managed by CKRM when
+ they are created. Without a CE, a user must manually
+ classify objects into classes. Processes inherit their parent's
+ classification.
+
+ Only one engine can be built into the kernel though all can be
+ built as modules (only one will load).
+
+ If unsure, say N.
+
config CKRM_RBCE
- tristate "Vanilla Rule-based Classification Engine (RBCE)"
- depends on CKRM && RCFS_FS
- default m
+ tristate "Vanilla RBCE"
help
- Provides an optional module to support creation of rules for automatic
- classification of kernel objects. Rules are created/deleted/modified
- through an rcfs interface. RBCE is not required for CKRM.
-
- If unsure, say N.
+ Vanilla Rule-based Classification Engine (RBCE). Rules for
+ classifying kernel objects are created/deleted/modified through
+ a RCFS directory using a filesystem interface.
+
+ Any CE is optional. If unsure, say N.
config CKRM_CRBCE
- tristate "Enhanced Rule-based Classification Engine (RBCE)"
- depends on CKRM && RCFS_FS && RELAYFS_FS && DELAY_ACCT
- default m
+ tristate "Enhanced RBCE"
+ depends on DELAY_ACCT && RELAYFS_FS
help
- Provides an optional module to support creation of rules for automatic
- classification of kernel objects, just like RBCE above. In addition,
- CRBCE provides per-process delay data (requires DELAY_ACCT configured)
- enabled) and makes information on significant kernel events available
- to userspace tools through relayfs (requires RELAYFS_FS configured).
+ Enhanced Rule-based Classification Engine (CRBCE). Like the Vanilla
+ RBCE, rules for classifying kernel objects are created, deleted and
+ modified through a RCFS directory using a filesystem interface
+ (requires CKRM_RCFS configured).
+
+ In addition, CRBCE provides per-process delay data
+ (requires DELAY_ACCT configured) and makes information on significant
+ kernel events available to userspace tools through relayfs
+ (requires RELAYFS_FS configured).
- If unsure, say N.
+ Any CE is optional. If unsure, say N.
+
+endchoice
endmenu
I/O delays are recorded for memory and regular I/O.
Information is accessible through /proc/<pid>/delay.
-
config KALLSYMS
bool "Load all symbols for debugging/kksymoops" if EMBEDDED
default y
git://git.onelab.eu / linux-2.6.git / blobdiff