Edit the /etc/init.d/perf file and uncomment the following lines:
# if [ -z "$_INIT_RUN_LEVEL" ]; then # set -- `/usr/bin/who -r` # _INIT_RUN_LEVEL="$7" # _INIT_RUN_NPREV="$8" # _INIT_PREV_LEVEL="$9" # fi # # if [ $_INIT_RUN_LEVEL -ge 2 -a $_INIT_RUN_LEVEL -le 4 -a \ # $_INIT_RUN_NPREV -eq 0 -a \( $_INIT_PREV_LEVEL = 1 -o \ # $_INIT_PREV_LEVEL = S \) ]; then # # /usr/bin/su sys -c "/usr/lib/sa/sadc /var/adm/sa/sa`date +%d`" # fi |
This version of the sadc command writes a special record that marks the time when the counters are reset to zero (boot time).
Edit the /var/spool/cron/crontabs/sys crontab file and uncomment the following lines:
# 0 * * * 0-6 /usr/lib/sa/sa1 # 20,40 8-17 * * 1-5 /usr/lib/sa/sa1 # 5 18 * * 1-5 /usr/lib/sa/sa2 -s 8:00 -e 18:01 -i 1200 -A |