File mkinitrd-boot.sh of Package bootchart
#!/bin/bash
#
#%stage: setup
#%provides: killprogs
#%depends: killblogd2
#%programs: /sbin/bootchartd /sbin/accton sleep usleep mv tar /bin/gzip hostname uname /bin/grep
#%if: "$bootchart"
#%dontshow
#
##### stop bootchartd
##
## fake a running xterm/getty (symlink to sleep) so bootchartd stops logging
##
#
. /etc/bootchartd.conf
stopinitrd 5
while [ -f "$BOOTLOG_LOCK" ]; do
usleep 50000
done
if test "$init" == "/sbin/init"; then
init=/sbin/bootchartd
fi