column f_days new_value v_days
select &days f_days from dual;
column f_secs new_value v_secs
select 900 f_secs from dual;
--select &seconds f_secs from dual;
column f_bars new_value v_bars
select 5 f_bars from dual;
column aveact format 999.99
column f_graph new_value v_graph
select 30 f_graph from dual;
column graph format a30
column total format 99999
column npts format 99999

select
        to_char(to_date(tday||' '||tmod*&v_secs,'YYMMDD SSSSS'),'DD-MON  HH24:MI:SS') tm,
        samples npts,
        total/samples aveact,
        substr(
        substr(substr(rpad('+',round((cpu*&v_bars)/samples),'+') ||
        rpad('-',round((waits*&v_bars)/samples),'-')  ||
        rpad(' ',p.value * &v_bars,' '),0,(p.value * &v_bars)) ||
        p.value  ||
        substr(rpad('+',round((cpu*&v_bars)/samples),'+') ||
        rpad('-',round((waits*&v_bars)/samples),'-')  ||
        rpad(' ',p.value * &v_bars,' '),(p.value * &v_bars),10) ,0,30)
        ,0,&v_graph)
        graph,
        -- total,
        cpu,
        waits
from (
   select
       to_char(sample_time,'YYMMDD')                   tday
     , trunc(to_char(sample_time,'SSSSS')/&v_secs) tmod
     , sum(decode(session_state,'ON CPU',1,decode(session_type,81,0,1)))  total
     , (max(sample_id) - min(sample_id) + 1 )      samples
     , sum(decode(session_state,'ON CPU' ,1,0))    cpu
     , sum(decode(session_state,'WAITING',1,0)) -
       sum(decode(session_type,81,decode(session_state,'WAITING',1,0)))    waits
       /* for waits I want to subtract out the BACKGROUND
          but for CPU I want to count everyon */
   from
      sash
   where sample_time > sysdate - &v_days
   group by  trunc(to_char(sample_time,'SSSSS')/&v_secs),
             to_char(sample_time,'YYMMDD')
   order by
             to_char(sample_time,'YYMMDD'),
             trunc(to_char(sample_time,'SSSSS')/&v_secs)
) ash,
  sash_params p
where p.name='cpu_count'
order by to_date(tday||' '||tmod*&v_secs,'YYMMDD SSSSS')
/