pbench pidstat-toolscript new gen - the actual pistat script

pidstat-toolsctip.sh

# index's
time_idx=1
pid=3
cpu_pres=7
mem_pres=13
rss=12
cmd=20

pidstat_in_mem=$(pidstat -l -w -u -h -d -r -p ALL |grep -v 'Time   UID\|Linux')
pids=$(echo "${pidstat_in_mem}" | awk '{print $3}' |sort |uniq |grep '[0-9]')
process=$(echo "${pidstat_in_mem}" | awk '{print $3"-"$20}' |sort |uniq |grep '[0-9]-')

# initialized the new csv's
pidstat_cpu_pres_csv=/tmp/pidstat_cpu_pres.csv
echo -n "timestamp" > $pidstat_cpu_pres_csv
for pid in $process; do
  echo -n ",$pid" >> $pidstat_cpu_pres_csv
done
echo "" >> $pidstat_cpu_pres_csv

# fill csv with data
counter=1
rcomma="" # set initial right comma
colomuns=$(echo $pids | awk -F ' ' '{ print NF }') # count colomuns

for pid in $pids; do
  # build a series of commas in order to parse the rotation.
  lcomma=""
  for x in $counter; do
    rcomma+="0,"
  done

  z=$(expr $colomuns - $counter)
  for i in $( seq 1 $z ); do
    lcomma+=",0"
  done
  
  # actually fill the pid column with data.
  # the time is already sorted.
  for line in `echo "${pidstat_in_mem}" | grep $pid |awk '{print $1","$7}'`; do
    timestamp=`echo $line |awk -F "," '{print $1}'` # get time
    let timestamp=$timestamp*1000 # get time in ms.
    data=`echo $line |awk -F "," '{print $2}'` # get data
    # dump line
    echo "$timestamp$rcomma$data$lcomma" >> $pidstat_cpu_pres_csv
  done
  let counter++
done