Draw kernel module dependancy graph.

lsmod | perl -e 'print "digraph \"lsmod\" {";<>;while(<>){@_=split/\s+/; print "\"$_[0]\" -> \"$_\"\n" for split/,/,$_[3]}print "}"' | dot -Tpng | display -
parse `lsmod' output and pass to `dot' drawing utility then finally pass it to an image viewer

By: bandie91
2011-11-27 14:02:35

1 Alternatives + Submit Alt

What Others Think

kaedenn · 517 weeks and 3 days ago
"Imagemagick is smarter than you think. It can display dot files, so the dot command is unnecessary." - Comment by dratini0 8 hours ago
bandie91 · 517 weeks and 2 days ago
So how would you do this with ImageMagick?
SuperFly · 517 weeks and 2 days ago
If anyone's running into a missing helvetica error on debian or ubuntu, give this a try: sudo apt-get install xfs xfstt t1-xfree86-nonfree ttf-xfree86-nonfree ttf-xfree86-nonfree-syriac xfonts-75dpi xfonts-100dpi and reboot. (from http://root.cern.ch/phpBB3/viewtopic.php?f=3&t=12627#p54486)
psykotron · 517 weeks and 1 day ago
SuperFly: lsmod | perl -e 'print "digraph \"lsmod\" {";;while(){@_=split/\s+/; print "\"$_[0]\" -> \"$_\"\n" for split/,/,$_[3]}print "}"' | display - you can also replace 'display - ' with 'gm display - ' if you have GraphicsMagick installed instead of ImageMagick (or just install graphicsmagick-imagemagick-compat to replace GraphicsMagick completely)
psykotron · 517 weeks and 1 day ago
@SuperFly: with IM not the whole procedure, just the `dot | display' thing. `display' can interpret this format too and displays it on transparent (for me). @psykotron: i think reboot unneccessary. Run `fc-cache -r' !
bandie91 · 517 weeks and 1 day ago
I have ImageMagick- installed and I get this: lsmod | perl -e 'print "digraph \"lsmod\" {";<>;while(<>){@_=split/\s+/; print "\"$_[0]\" -> \"$_\"\n" for split/,/,$_[3]}print "}"' | display - display: no decode delegate for this image format `/tmp/magick-XX6QuBzg'.
SuperFly · 517 weeks and 1 day ago
type `display -list format' to get supported formata. display -list format | grep DOT DOT DOT r-- Graphviz I've: display -list configure Path: /usr/lib/ImageMagick-6.6.0/config/configure.xml Name Value ------------------------------------------------------------------------------- CC gcc -std=gnu99 -std=gnu99 CFLAGS -I/usr/include/lqr-1 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -fopenmp -g -O2 -Wall -W -pthread CONFIGURE ./configure '--prefix=/usr' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--with-modules' '--with-gs-font-dir=/usr/share/fonts/type1/gsfonts' '--with-magick-plus-plus' '--with-djvu' '--enable-shared' '--without-dps' '--without-fpx' '--with-perl-options=INSTALLDIRS=vendor' '--x-includes=/usr/include/X11' '--x-libraries=/usr/lib/X11' 'CFLAGS=-g -O2' 'LDFLAGS=' 'CPPFLAGS=' 'CXXFLAGS=-g -O2' COPYRIGHT Copyright (C) 1999-2010 ImageMagick Studio LLC CPPFLAGS -I/usr/include/ImageMagick CXX g++ CXXFLAGS -g -O2 -Wall -W -pthread DEFS -DHAVE_CONFIG_H DELEGATES bzlib djvu fontconfig freetype gvc jpeg jng jp2 lcms lqr openexr png rsvg tiff x11 xml wmf zlib DISTCHECK_CONFIG_FLAGS 'CFLAGS=-g -O2' 'CPPFLAGS=' 'LDFLAGS=' --disable-deprecated --with-quantum-depth=16 --with-umem=no --with-autotrace=no --with-dps=no --with-fpx=no --with-gslib=no --with-fontpath= --with-gs-font-dir=/usr/share/fonts/type1/gsfonts EXEC-PREFIX /usr HOST i686-pc-linux-gnu LDFLAGS -L/usr/lib -L/usr/lib/X11 LIB_VERSION 0x660 LIB_VERSION_NUMBER 6,6,0,4 LIBS -lMagickCore -llcms -ltiff -lfreetype -ljpeg -llqr-1 -lglib-2.0 -lfontconfig -lXext -lSM -lICE -lX11 -lXt -lbz2 -lz -lm -lgomp -lpthread -lltdl NAME ImageMagick PCFLAGS -fopenmp PREFIX /usr QuantumDepth 16 RELEASE_DATE 2010-11-16 VERSION 6.6.0 WEBSITE http://www.imagemagick.org
bandie91 · 517 weeks and 1 day ago
# `awk` is very good at parsing the output of `lsmod` lsmod | awk 'BEGIN{print "digraph lsmod {"}; NR!=1&&NF==4{printf("\t%s -> { %s };\n", $1, gensub(",", "", "g", $4))}; END{print "}"}' | dot -Tpng | display -
kev · 517 weeks and 1 day ago
# sorry, please change `gensub(",", "", "g", $4)` to `gensub(",", " ", "g", $4)`
kev · 517 weeks and 1 day ago
@unixmonkey21861: it not really works... how modulenames in 4th field filled? printf doesnt accept gensub's array.
bandie91 · 517 weeks and 1 day ago
alperyilmaz · 516 weeks and 3 days ago

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