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- #
- # For a description of the syntax of this configuration file,
- # see scripts/kbuild/config-language.txt.
- #
- menu "Init Utilities"
- config BUSYBOX_BOOTCHARTD
- bool "bootchartd"
- default n
- help
- bootchartd is commonly used to profile the boot process
- for the purpose of speeding it up. In this case, it is started
- by the kernel as the init process. This is configured by adding
- the init=/sbin/bootchartd option to the kernel command line.
- It can also be used to monitor the resource usage of a specific
- application or the running system in general. In this case,
- bootchartd is started interactively by running bootchartd start
- and stopped using bootchartd stop.
- config BUSYBOX_FEATURE_BOOTCHARTD_BLOATED_HEADER
- bool "bootchartd"
- default y
- depends on BOOTCHARTD
- help
- Create extended header file compatible with "big" bootchartd.
- "Big" bootchartd is a shell script and it dumps some
- "convenient" info int the header, such as:
- title = Boot chart for `hostname` (`date`)
- system.uname = `uname -srvm`
- system.release = `cat /etc/DISTRO-release`
- system.cpu = `grep '^model name' /proc/cpuinfo | head -1` ($cpucount)
- system.kernel.options = `cat /proc/cmdline`
- This data is not mandatory for bootchart graph generation,
- and is considered bloat. Nevertheless, this option
- makes bootchartd applet to dump a subset of it.
- config BUSYBOX_FEATURE_BOOTCHARTD_CONFIG_FILE
- bool "bootchartd"
- default y
- depends on BOOTCHARTD
- help
- Enable reading and parsing of $PWD/bootchartd.conf
- and /etc/bootchartd.conf files.
- config BUSYBOX_INIT
- bool "init"
- default y
- select BUSYBOX_FEATURE_SYSLOG
- help
- init is the first program run when the system boots.
- config BUSYBOX_FEATURE_USE_INITTAB
- bool "Support reading an inittab file"
- default y
- depends on BUSYBOX_INIT
- help
- Allow init to read an inittab file when the system boot.
- config BUSYBOX_FEATURE_KILL_REMOVED
- bool "Support killing processes that have been removed from inittab"
- default n
- depends on BUSYBOX_FEATURE_USE_INITTAB
- help
- When respawn entries are removed from inittab and a SIGHUP is
- sent to init, this feature will kill the processes that have
- been removed.
- config BUSYBOX_FEATURE_KILL_DELAY
- int "How long to wait between TERM and KILL (0 - send TERM only)" if FEATURE_KILL_REMOVED
- range 0 1024
- default 0
- depends on BUSYBOX_FEATURE_KILL_REMOVED
- help
- With nonzero setting, init sends TERM, forks, child waits N
- seconds, sends KILL and exits. Setting it too high is unwise
- (child will hang around for too long and could actually kill
- the wrong process!)
- config BUSYBOX_FEATURE_INIT_SCTTY
- bool "Run commands with leading dash with controlling tty"
- default y
- depends on BUSYBOX_INIT
- help
- If this option is enabled, init will try to give a controlling
- tty to any command which has leading hyphen (often it's "-/bin/sh").
- More precisely, init will do "ioctl(STDIN_FILENO, TIOCSCTTY, 0)".
- If device attached to STDIN_FILENO can be a ctty but is not yet
- a ctty for other session, it will become this process' ctty.
- This is not the traditional init behavour, but is often what you want
- in an embedded system where the console is only accessed during
- development or for maintenance.
- NB: using cttyhack applet may work better.
- config BUSYBOX_FEATURE_INIT_SYSLOG
- bool "Enable init to write to syslog"
- default y
- depends on BUSYBOX_INIT
- config BUSYBOX_FEATURE_EXTRA_QUIET
- bool "Be _extra_ quiet on boot"
- default y
- depends on BUSYBOX_INIT
- help
- Prevent init from logging some messages to the console during boot.
- config BUSYBOX_FEATURE_INIT_COREDUMPS
- bool "Support dumping core for child processes (debugging only)"
- default n
- depends on BUSYBOX_INIT
- help
- If this option is enabled and the file /.init_enable_core
- exists, then init will call setrlimit() to allow unlimited
- core file sizes. If this option is disabled, processes
- will not generate any core files.
- config BUSYBOX_FEATURE_INITRD
- bool "Support running init from within an initrd (not initramfs)"
- default n
- depends on BUSYBOX_INIT
- help
- Legacy support for running init under the old-style initrd. Allows
- the name linuxrc to act as init, and it doesn't assume init is PID 1.
- This does not apply to initramfs, which runs /init as PID 1 and
- requires no special support.
- config BUSYBOX_HALT
- bool "poweroff, halt, and reboot"
- default y
- help
- Stop all processes and either halt, reboot, or power off the system.
- config BUSYBOX_FEATURE_CALL_TELINIT
- bool "Call telinit on shutdown and reboot"
- default n
- depends on BUSYBOX_HALT && !BUSYBOX_INIT
- help
- Call an external program (normally telinit) to facilitate
- a switch to a proper runlevel.
- This option is only available if you selected halt and friends,
- but did not select init.
- config BUSYBOX_TELINIT_PATH
- string "Path to telinit executable"
- default "/sbin/telinit"
- depends on BUSYBOX_FEATURE_CALL_TELINIT
- help
- When busybox halt and friends have to call external telinit
- to facilitate proper shutdown, this path is to be used when
- locating telinit executable.
- config BUSYBOX_MESG
- bool "mesg"
- default n
- help
- Mesg controls access to your terminal by others. It is typically
- used to allow or disallow other users to write to your terminal
- endmenu
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