# This program is intended to plot a `slabinfo -X' stats, collected, # for example, using the following command: # while [ 1 ]; do slabinfo -X >> stats; sleep 1; done # # Use `slabinfo-gnuplot.sh stats' to pre-process collected records # and generate graphs (totals, slabs sorted by size, slabs sorted # by size). # # Graphs can be [individually] regenerate with different ranges and # size (-r %d,%d and -s %d,%d options). # # To visually compare N `totals' graphs, do # slabinfo-gnuplot.sh -t FILE1-totals FILE2-totals ... FILEN-totals #
usage()
{ echo"Usage: [-s W,H] [-r MIN,MAX] [-t|-l] FILE1 [FILE2 ..]" echo"FILEs must contain 'slabinfo -X' samples" echo"-t - plot totals for FILE(s)" echo"-l - plot slabs stats for FILE(s)" echo"-s %d,%d - set image width and height" echo"-r %d,%d - use data samples from a given range"
}
check_file_exist()
{ if [ ! -f "$1" ]; then echo"File '$1' does not exist"
exit 1 fi
}
do_slabs_plotting()
{
local file=$1
local out_file
local range="every ::$xmin"
local xtic=""
local xtic_rotate="norotate"
local lines=2000000
local wc_lines
check_file_exist "$file"
out_file=`basename "$file"` if [ $xmax -ne 0 ]; then
range="$range::$xmax"
lines=$((xmax-xmin)) fi
wc_lines=`cat"$file" | wc -l` if [ $? -ne 0 ] || [ "$wc_lines" -eq 0 ] ; then
wc_lines=$lines fi
if [ "$wc_lines" -lt "$lines" ]; then
lines=$wc_lines fi
if [ $((width / lines)) -gt $min_slab_name_size ]; then
xtic=":xtic(1)"
xtic_rotate=90 fi
gnuplot -p << EOF #!/usr/bin/env gnuplot
set terminal png enhanced size $width,$height large
set output '$out_file.png'
set autoscale xy
set xlabel 'samples'
set ylabel 'bytes'
set style histogram columnstacked title textcolor lt -1
set style fill solid 0.15
set xtics rotate $xtic_rotate
set key left above Left title reverse
plot "$file" $range u 2$xtic title 'SIZE' with boxes,\ '' $range u 3 title 'LOSS' with boxes
EOF
if [ $? -eq 0 ]; then echo"$out_file.png" fi
}
do_totals_plotting()
{
local gnuplot_cmd=""
local range="every ::$xmin"
local file=""
if [ $xmax -ne 0 ]; then
range="$range::$xmax" fi
for i in "${t_files[@]}"; do
check_file_exist "$i"
file="$file"`basename "$i"`
gnuplot_cmd="$gnuplot_cmd '$i' $range using 1 title\ '$i Memory usage' with lines,"
gnuplot_cmd="$gnuplot_cmd '' $range using 2 title \ '$i Loss' with lines," done
gnuplot -p << EOF #!/usr/bin/env gnuplot
set terminal png enhanced size $width,$height large
set autoscale xy
set output '$file.png'
set xlabel 'samples'
set ylabel 'bytes'
set key left above Left title reverse
plot $gnuplot_cmd
EOF
if [ $? -eq 0 ]; then echo"$file.png" fi
}
do_preprocess()
{
local out
local lines
local in=$1
check_file_exist "$in"
# use only 'TOP' slab (biggest memory usage or loss)
let lines=3
out=`basename "$in"`"-slabs-by-loss"
`cat"$in" | grep -A "$lines"'Slabs sorted by loss' |\
grep -E -iv '\-\-|Name|Slabs'\
| awk '{print $1" "$4+$2*$3" "$4}' > "$out"` if [ $? -eq 0 ]; then
do_slabs_plotting "$out" fi
let lines=3
out=`basename "$in"`"-slabs-by-size"
`cat"$in" | grep -A "$lines"'Slabs sorted by size' |\
grep -E -iv '\-\-|Name|Slabs'\
| awk '{print $1" "$4" "$4-$2*$3}' > "$out"` if [ $? -eq 0 ]; then
do_slabs_plotting "$out" fi
out=`basename "$in"`"-totals"
`cat"$in" | grep "Memory used" |\
awk '{print $3" "$7}' > "$out"` if [ $? -eq 0 ]; then
t_files[0]=$out
do_totals_plotting fi
}
parse_opts()
{
local opt
while getopts "tlr::s::h" opt; do
case $opt in
t)
mode=totals
;;
l)
mode=slabs
;;
s)
array=(${OPTARG//,/ })
width=${array[0]}
height=${array[1]}
;;
r)
array=(${OPTARG//,/ })
xmin=${array[0]}
xmax=${array[1]}
;;
h)
usage
exit 0
;;
\?) echo"Invalid option: -$OPTARG" >&2
exit 1
;;
:) echo"-$OPTARG requires an argument." >&2
exit 1
;;
esac done
return $OPTIND
}
parse_args()
{
local idx=0
local p
for p in "$@"; do
case $mode in
preprocess)
files[$idx]=$p
idx=$idx+1
;;
totals)
t_files[$idx]=$p
idx=$idx+1
;;
slabs)
files[$idx]=$p
idx=$idx+1
;;
esac done
}
if [ ${#files[@]} -eq 0 ] && [ ${#t_files[@]} -eq 0 ]; then
usage
exit 1 fi
case $mode in
preprocess) for i in "${files[@]}"; do
do_preprocess "$i" done
;;
totals)
do_totals_plotting
;;
slabs) for i in "${files[@]}"; do
do_slabs_plotting "$i" done
;;
*) echo"Unknown mode $mode" >&2
usage
exit 1
;;
esac
Messung V0.5
¤ Dauer der Verarbeitung: 0.0 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.