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[[Category: Development]]
 
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== Description ==
 
== Description ==
  
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== Source code ==
 
== Source code ==
 +
 
=== Collect data ===
 
=== Collect data ===
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Here is the script to produce the data for the graph, called <code>count</code>:
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Here is the script to produce the data for the graph:
  
 
<small><source lang="bash">
 
<small><source lang="bash">
 
#!/bin/sh
 
#!/bin/sh
  
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# Whose patches to count
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latest=$(git tag | grep -v -- -rc | tail -n1 | sed -e 's/^.*\.\(.*\)$/\1/')
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#PAT='@openvz.org|@parallels.com|@sw.ru|@swsoft.com|@sw.com.sg|kuznet@'
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((latest++))
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#PAT='@openvz.org|@parallels.com|@sw.ru|@swsoft.com|@sw.com.sg|adobriyan@|kuznet@|gorcunov@'
 
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PAT='@openvz.org|@parallels.com|@sw.ru|@swsoft.com|@sw.com.sg|@virtuozzo.com|kuznet@|gorcunov@'
 
  
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# Return the date of the given tag, in a format usable by gnuplot
 
 
get_tag_date() {
 
get_tag_date() {
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echo $(git show $1 | egrep ^Date: | head -n1) |  
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        echo $(git show $1 | egrep ^Date: | head -n1) |
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sed 's/^Date: ... \(.*\) [-+]....$/\1/' |
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                sed 's/^Date: ... \(.*\) [-+]....$/\1/' |
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sed 's/ ..:..:..//' | sed 's/ /-/g'
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                sed 's/ ..:..:..//' | sed 's/ /-/g'
 
}
 
}
  
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# Count the number of patches whose authors match $PAT,
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for f in $(seq 13 $latest); do
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# for the period between two given git tags
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        v1=v2.6.$((f-1))
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count_patches() {
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        d1=$(get_tag_date $v1)
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git log --pretty=short --no-merges $1..$2 |
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        if [ $f = $latest ]; then
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egrep '^Author: ' | egrep $PAT | wc -l
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                v2="HEAD  "
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}
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        else
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                v2=v2.6.$f
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        fi
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        d2=$(get_tag_date $v2)
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        echo -n $d2 $v2 " "
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        git log --pretty=short --no-merges $v1..$v2 | grep 'Author:' | egrep \
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                '@openvz.org|@parallels.com|@sw.ru|@swsoft.com|@sw.com.sg|adobriyan@|kuznet@' | wc -l
 +
done | sed 's/ /\t/g'
  
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count_total_patches() {
 
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git log --pretty=short --no-merges $1..$2 | grep -c '^commit '
 
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}
 
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# Latest 3.x kernel
 
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#latest3=$(git tag | grep -v -- -rc | tail -n1 | sed -e 's/^.*\.\(.*\)$/\1/')
 
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latest3=$(git tag | grep -v -- -rc | grep -F 'v3.' | \
 
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awk -F . '{print $2}' | sort -n | tail -n1)
 
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# Latest 2.6.x kernel
 
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latest26=39
 
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# Find out if number of patches for HEAD is much more
 
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# than for latest -rc. If yes, use HEAD, otherwise -rc.:
 
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last_rc=$(git describe --abbrev=0)
 
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HEAD=$last_rc
 
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if ! test -z "$last_rc"; then
 
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much_more=10
 
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count_head=$(count_patches v3.$latest3 HEAD)
 
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count_rc=$(count_patches v3.$latest3 $last_rc)
 
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if test $count_head -gt $((count_rc+much_more)); then
 
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HEAD="HEAD  "
 
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fi
 
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fi
 
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pv=''
 
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for v in $(git for-each-ref --sort='*authordate' --format='%(tag)' refs/tags |\
 
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grep -v -E -- '-rc|-tree|v2.6.11') HEAD; do
 
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if [ -z "$pv" ]; then
 
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pv=$v
 
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continue
 
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fi
 
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pd=$(get_tag_date $pv)
 
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d=$(get_tag_date $v)
 
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count_ours=$(count_patches $pv $v)
 
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count_total=$(count_total_patches $pv $v)
 
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if test "$count_ours" -gt 0; then
 
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echo $d $v " " $count_ours $count_total
 
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fi
 
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pv=$v
 
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done | sed 's/ /\t/g'
 
 
</source></small>
 
</source></small>
  
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<small><source lang="bash">
 
<small><source lang="bash">
 
#!/bin/sh
 
#!/bin/sh
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REPO=~/git/linux/.git
 
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COUNT=$(pwd)/count
 
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OUT=$(pwd)/time.dat
 
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export GDFONTPATH=/usr/share/fonts/microsoft
 
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export GIT_DIR=$REPO
 
  
 
if test "$1" != "-f"; then
 
if test "$1" != "-f"; then
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echo "== Previous (old) stats =="
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git pull
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tail -n 2 $OUT
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sh count > time.dat
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# Update the repo and count new stats
 
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(cd $REPO && cd .. && git pull) && sh $COUNT > $OUT
 
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echo "== New stats =="
 
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tail -n 2 $OUT
 
 
fi
 
fi
  
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DATE=$(tail -n 1 $OUT | cut -f 1 | awk -F- '{print $2,$1,$3}')
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DATE=$(date '+%d %b %Y')
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MAXY=$(awk 'BEGIN {max=0}; ($3 > max) {max=$3}; END {print max+80}' < time.dat)
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MAXY=$(awk 'BEGIN {max=0}; ($3 > max) {max=$3}; END {print max+50}' < time.dat)
 
# GNU date is powerful!
 
# GNU date is powerful!
 
MAXX=$(date +%b-1-%Y --date='+2 months')
 
MAXX=$(date +%b-1-%Y --date='+2 months')
  
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export GDFONTPATH=/usr/share/fonts/msttcorefonts/
 
cat << EOF | gnuplot > plot.png
 
cat << EOF | gnuplot > plot.png
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set terminal png enhanced font "verdana,13" size 1600,1200
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set terminal png enhanced font "verdanab,20" size 1600,1200
−
 
 
  
 
set title "OpenVZ team kernel patches progress as of ${DATE}"
 
set title "OpenVZ team kernel patches progress as of ${DATE}"
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set xrange [ : "${MAXX}" ]
 
set xrange [ : "${MAXX}" ]
 
set yrange [ 0 : ${MAXY} ]
 
set yrange [ 0 : ${MAXY} ]
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set ylabel "Number of patches from OpenVZ team,\n per kernel release, accepted into mainstream"
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set ylabel "Number of patches, per kernel release,\naccepted into mainstream"
  
 
set border 3 # no lines at right and top
 
set border 3 # no lines at right and top
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set ytics nomirror # no tics at right
 
set ytics nomirror # no tics at right
  
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plot '${OUT}' using 1:3 with linespoints pt 6 ps 1 lw 2 lt 2 notitle, \
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plot 'time.dat' using 1:3 with linespoints pt 6 ps 1 lw 2 lt 2 notitle, \
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'' using 1:3:2 with labels left offset 0,5.5 rotate notitle, \
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'' using 1:3:2 with labels left offset 0,1 rotate notitle, \
 
'' using 1:3:3 with labels left offset 0.7,0 notitle
 
'' using 1:3:3 with labels left offset 0.7,0 notitle
  
 
EOF
 
EOF
 
</source></small>
 
</source></small>

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