mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 02:23:16 +00:00
0b265c3b3b
On some linux distributions, the default link of sh is dash which deoesn't support split array like "${var//,/ }" It's better to force to use bash shell directly. Link: http://lkml.kernel.org/r/20171208093751.GA175471@sofia Signed-off-by: Liu Changcheng <changcheng.liu@intel.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
276 lines
5.1 KiB
Bash
276 lines
5.1 KiB
Bash
#!/bin/bash
|
|
|
|
# Sergey Senozhatsky, 2015
|
|
# sergey.senozhatsky.work@gmail.com
|
|
#
|
|
# This software is licensed under the terms of the GNU General Public
|
|
# License version 2, as published by the Free Software Foundation, and
|
|
# may be copied, distributed, and modified under those terms.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
|
|
|
|
# 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
|
|
#
|
|
|
|
min_slab_name_size=11
|
|
xmin=0
|
|
xmax=0
|
|
width=1500
|
|
height=700
|
|
mode=preprocess
|
|
|
|
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' |\
|
|
egrep -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' |\
|
|
egrep -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
|
|
}
|
|
|
|
parse_opts "$@"
|
|
argstart=$?
|
|
parse_args "${@:$argstart}"
|
|
|
|
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
|