| 1 | #! /bin/sh |
| 2 | |
| 3 | usage() { |
| 4 | echo "EXAMPLE (whole tree) : $0 | neato -T png > ps.png && open ps.png" |
| 5 | echo "EXAMPLE (user clusters): $0 | sdp -T png > ps.png && open ps.png" |
| 6 | } |
| 7 | |
| 8 | |
| 9 | compile() { |
| 10 | awk -v kernel="$(uname -v)" -v whoami="$(whoami)" \ |
| 11 | ' |
| 12 | BEGIN { |
| 13 | p2cmd[0] = "swapper/sched" |
| 14 | color_base = 20 |
| 15 | color_incr = 30 |
| 16 | color_hi = sprintf("grey%d", (color_base + (color_incr * 0))) |
| 17 | color_mid = sprintf("grey%d", (color_base + (color_incr * 1))) |
| 18 | color_low = sprintf("grey%d", (color_base + (color_incr * 2))) |
| 19 | } |
| 20 | |
| 21 | NR > 1 { |
| 22 | p2pp[$1]=$2; |
| 23 | p2user_id[$1]=$3 |
| 24 | p2user_name[$1]=$4 |
| 25 | p2cmd[$1]=$5 |
| 26 | user_names[$4]=1 |
| 27 | } |
| 28 | |
| 29 | END { |
| 30 | print "strict digraph G {"; |
| 31 | |
| 32 | print "start=0;"; |
| 33 | print "colorscheme=brewer;"; |
| 34 | print "fontsize=8;"; |
| 35 | print "fontname=Helvetica;"; |
| 36 | print "label=\"" kernel "\";"; |
| 37 | |
| 38 | printf(\ |
| 39 | "edge [ fontsize=8 \ |
| 40 | , fontname=Helvetica \ |
| 41 | , len=2.0 \ |
| 42 | , color=%s \ |
| 43 | ];", |
| 44 | color_low\ |
| 45 | ) |
| 46 | |
| 47 | print "node [ fontsize=8 \ |
| 48 | , fontname=Helvetica \ |
| 49 | , shape=ellipse \ |
| 50 | ]; \ |
| 51 | "; |
| 52 | |
| 53 | ##### Vertices (clustered by user) |
| 54 | for (user in user_names) { |
| 55 | printf "subgraph \"cluster_%s\" {\n", user |
| 56 | printf "label=\"%s\"\n", user |
| 57 | for (p in p2pp) { |
| 58 | if (p2user_name[p] == user) { |
| 59 | color = p2user_name[p] == whoami ? color_hi : color_low |
| 60 | fontcolor = p2user_name[p] == whoami ? color_hi : color_mid |
| 61 | printf(\ |
| 62 | "\"%d\"\ |
| 63 | [ fontsize=8 \ |
| 64 | , fontname=Helvetica \ |
| 65 | , shape=ellipse \ |
| 66 | , label=\"%s\n%d\" \ |
| 67 | , color=\"%s\" \ |
| 68 | , fontcolor=\"%s\" \ |
| 69 | ];", |
| 70 | p, |
| 71 | p2cmd[p], |
| 72 | p, |
| 73 | color, |
| 74 | fontcolor\ |
| 75 | ) |
| 76 | } |
| 77 | } |
| 78 | print "}" |
| 79 | } |
| 80 | |
| 81 | ##### Vertices (without a user) |
| 82 | for (p in p2cmd) { |
| 83 | if (!p2user_name[p]) { |
| 84 | printf(\ |
| 85 | "\"%d\"\ |
| 86 | [ fontsize=8 \ |
| 87 | , fontname=Helvetica \ |
| 88 | , shape=ellipse \ |
| 89 | , label=\"%s\n%d\" \ |
| 90 | , color=\"%s\" \ |
| 91 | , fontcolor=\"%s\" \ |
| 92 | ];", |
| 93 | p, |
| 94 | p2cmd[p], |
| 95 | p, |
| 96 | color_low, |
| 97 | color_mid\ |
| 98 | ) |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | ##### Edges (across clusters) |
| 103 | for (p in p2pp) { |
| 104 | printf "\"%d\" -> \"%d\";\n", p2pp[p], p, p |
| 105 | } |
| 106 | |
| 107 | print "}"; |
| 108 | } |
| 109 | ' |
| 110 | } |
| 111 | |
| 112 | |
| 113 | procs() { |
| 114 | if [ "$(uname)" = 'Linux' ]; then |
| 115 | ps -eo pid,ppid,euid,euser,comm |
| 116 | else |
| 117 | ps -eco pid,ppid,euid,euser,comm |
| 118 | fi |
| 119 | } |
| 120 | |
| 121 | |
| 122 | main() { |
| 123 | case "$1" in |
| 124 | '--help') usage |
| 125 | ;; |
| 126 | *) procs | grep "$1" | compile |
| 127 | ;; |
| 128 | esac |
| 129 | } |
| 130 | |
| 131 | |
| 132 | main "$1" |