[PATCH] per-task-delay-accounting: setup

[pandora-kernel.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index df864a3..90498a3 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1,3 +1,11 @@
+config DEFCONFIG_LIST
+       string
+       option defconfig_list
+       default "/lib/modules/$UNAME_RELEASE/.config"
+       default "/etc/kernel-config"
+       default "/boot/config-$UNAME_RELEASE"
+       default "arch/$ARCH/defconfig"
+
 menu "Code maturity level options"
 
 config EXPERIMENTAL
@@ -46,8 +54,8 @@ config LOCK_KERNEL
 
 config INIT_ENV_ARG_LIMIT
        int
-       default 32 if !USERMODE
-       default 128 if USERMODE
+       default 32 if !UML
+       default 128 if UML
        help
          Maximum of each of the number of arguments and environment
          variables passed to init from the kernel command line.
@@ -150,8 +158,19 @@ config BSD_PROCESS_ACCT_V3
          for processing it. A preliminary version of these tools is available
          at <http://www.physik3.uni-rostock.de/tim/kernel/utils/acct/>.
 
+config TASK_DELAY_ACCT
+       bool "Enable per-task delay accounting (EXPERIMENTAL)"
+       help
+         Collect information on time spent by a task waiting for system
+         resources like cpu, synchronous block I/O completion and swapping
+         in pages. Such statistics can help in setting a task's priorities
+         relative to other tasks for cpu, io, rss limits etc.
+
+         Say N if unsure.
+
 config SYSCTL
-       bool "Sysctl support"
+       bool "Sysctl support" if EMBEDDED
+       default y
        ---help---
          The sysctl interface provides a means of dynamically changing
          certain kernel parameters and variables on the fly without requiring
@@ -235,16 +254,6 @@ config UID16
        help
          This enables the legacy 16-bit UID syscall wrappers.
 
-config VM86
-       depends X86
-       default y
-       bool "Enable VM86 support" if EMBEDDED
-       help
-          This option is required by programs like DOSEMU to run 16-bit legacy
-         code on X86 processors. It also may be needed by software like
-          XFree86 to initialize some video cards via BIOS. Disabling this
-          option saves about 6k.
-
 config CC_OPTIMIZE_FOR_SIZE
        bool "Optimize for size (Look out for broken compilers!)"
        default y
@@ -340,9 +349,14 @@ config BASE_FULL
          kernel data structures. This saves memory on small machines,
          but may reduce performance.
 
+config RT_MUTEXES
+       boolean
+       select PLIST
+
 config FUTEX
        bool "Enable futex support" if EMBEDDED
        default y
+       select RT_MUTEXES
        help
          Disabling this option will cause the kernel to be built without
          support for "fast userspace mutexes".  The resulting kernel may not
@@ -375,6 +389,15 @@ config SLAB
          SLOB is more space efficient but does not scale well and is
          more susceptible to fragmentation.
 
+config VM_EVENT_COUNTERS
+       default y
+       bool "Enable VM event counters for /proc/vmstat" if EMBEDDED
+       help
+         VM event counters are only needed to for event counts to be
+         shown. They have no function for the kernel itself. This
+         option allows the disabling of the VM event counters.
+         /proc/vmstat will only show page counts.
+
 endmenu                # General setup
 
 config TINY_SHMEM