libbb/time.c: new file, introducing monotonic_us() pscan, traceroute, arping: use it instead of gettimeofday ping, zcip: TODO function old new delta monotonic_us - 89 +89 find_pair 164 180 +16 .rodata 129747 129763 +16 refresh 1144 1152 +8 ............ timeout 8 4 -4 static.start 8 4 -4 last 8 4 -4 parse_conf 1303 1284 -19 time_main 1149 1124 -25 gettimeofday_us 39 - -39 arping_main 2042 1969 -73 hwclock_main 594 501 -93 catcher 485 380 -105 traceroute_main 4300 4117 -183 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 8/11 up/down: 157/-562) Total: -405 bytes
109 lines
2.7 KiB
Plaintext
109 lines
2.7 KiB
Plaintext
#
|
|
# For a description of the syntax of this configuration file,
|
|
# see scripts/kbuild/config-language.txt.
|
|
#
|
|
|
|
menu "Busybox Library Tuning"
|
|
|
|
config PASSWORD_MINLEN
|
|
int "Minimum password length"
|
|
default 6
|
|
range 5 32
|
|
help
|
|
Minimum allowable password length.
|
|
|
|
config MD5_SIZE_VS_SPEED
|
|
int " MD5: Trade Bytes for Speed"
|
|
default 2
|
|
range 0 3
|
|
help
|
|
Trade binary size versus speed for the md5sum algorithm.
|
|
Approximate values running uClibc and hashing
|
|
linux-2.4.4.tar.bz2 were:
|
|
user times (sec) text size (386)
|
|
0 (fastest) 1.1 6144
|
|
1 1.4 5392
|
|
2 3.0 5088
|
|
3 (smallest) 5.1 4912
|
|
|
|
config FEATURE_EDITING
|
|
bool "Command line editing"
|
|
default n
|
|
help
|
|
Enable line editing (mainly for shell command line).
|
|
|
|
config FEATURE_EDITING_MAX_LEN
|
|
int "Maximum length of input"
|
|
range 128 8192
|
|
default 1024
|
|
depends on FEATURE_EDITING
|
|
help
|
|
Line editing code uses on-stack buffers for storage.
|
|
You may want to decrease this parameter if your target machine
|
|
benefits from smaller stack usage.
|
|
|
|
config FEATURE_EDITING_FANCY_KEYS
|
|
bool "Additional editing keys"
|
|
default n
|
|
depends on FEATURE_EDITING
|
|
help
|
|
Enable additonal editing keys (Ctrl-E, Ctrl-U etc).
|
|
Arrow keys, Home/End/Delete and Ctrl-W work even without this option.
|
|
|
|
config FEATURE_EDITING_VI
|
|
bool "vi-style line editing commands"
|
|
default n
|
|
depends on FEATURE_EDITING
|
|
help
|
|
Enable vi-style line editing. In shells, this mode can be
|
|
turned on and off with "set -o vi" and "set +o vi".
|
|
|
|
config FEATURE_EDITING_HISTORY
|
|
int "History size"
|
|
range 0 99999
|
|
default 15
|
|
depends on FEATURE_EDITING
|
|
help
|
|
Specify command history size.
|
|
|
|
config FEATURE_EDITING_SAVEHISTORY
|
|
bool "History saving"
|
|
default n
|
|
depends on ASH && FEATURE_EDITING
|
|
help
|
|
Enable history saving in ash shell.
|
|
|
|
config FEATURE_TAB_COMPLETION
|
|
bool "Tab completion"
|
|
default n
|
|
depends on FEATURE_EDITING
|
|
help
|
|
Enable tab completion.
|
|
|
|
config FEATURE_USERNAME_COMPLETION
|
|
bool "Username completion"
|
|
default n
|
|
depends on FEATURE_TAB_COMPLETION
|
|
help
|
|
Enable username completion.
|
|
|
|
config FEATURE_EDITING_FANCY_PROMPT
|
|
bool "Fancy shell prompts"
|
|
default n
|
|
depends on FEATURE_EDITING
|
|
help
|
|
Setting this option allows for prompts to use things like \w and
|
|
\$ and escape codes.
|
|
|
|
config MONOTONIC_SYSCALL
|
|
bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
|
|
default y
|
|
help
|
|
Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
|
|
time intervals (time, ping, traceroute etc need this).
|
|
Probably requires Linux 2.6+. If not selected, gettimeofday
|
|
will be used instead (which gives wrong results if date/time
|
|
is reset).
|
|
|
|
endmenu
|