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- #!/usr/bin/ruby
- # display the kernel module dependencies
- #based on: modgraph.tcl by: John Ellson <[email protected]>
- #ruby adaptation by: Patricio Ros <[email protected]>
- #additional fixes: Ralph Mueller <[email protected]>
- require 'gv'
- G = Gv.digraph("G")
- N = Gv.protonode(G)
- E = Gv.protoedge(G)
- Gv.setv(G, 'rankdir', 'LR')
- Gv.setv(G, 'nodesep', '0.05')
- Gv.setv(N, 'shape', 'box')
- Gv.setv(N, 'width', '0')
- Gv.setv(N, 'height', '0')
- Gv.setv(N, 'margin', '.03')
- Gv.setv(N, 'fontsize', '8')
- Gv.setv(N, 'fontname', 'helvetica')
- Gv.setv(E, 'arrowsize', '.4')
- modules = File.open('/proc/modules', mode="r").readlines
- modules.each {|rec|
- fields = rec.split(' ')
- n = Gv.node(G, fields[0])
- fields[3].split(',').each {|usedby|
- Gv.edge(n, Gv.node(G, usedby)) if (usedby != '-') and (usedby != '')
- }
- }
- Gv.layout(G, 'dot')
- Gv.render(G, 'xlib')
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