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1 #!/usr/perl5/bin/perl |
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2 # |
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3 # CDDL HEADER START |
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4 # |
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5 # The contents of this file are subject to the terms of the |
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6 # Common Development and Distribution License (the "License"). |
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7 # You may not use this file except in compliance with the License. |
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8 # |
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9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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10 # or http://www.opensolaris.org/os/licensing. |
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11 # See the License for the specific language governing permissions |
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12 # and limitations under the License. |
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13 # |
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14 # When distributing Covered Code, include this CDDL HEADER in each |
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15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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16 # If applicable, add the following below this CDDL HEADER, with the |
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17 # fields enclosed by brackets "[]" replaced with your own identifying |
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18 # information: Portions Copyright [yyyy] [name of copyright owner] |
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19 # |
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20 # CDDL HEADER END |
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21 # |
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22 # Copyright (c) 2010, Oracle and/or it's affiliates. All rights reserved. |
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23 # |
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24 # |
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25 # build-watch.pl - a simple utility to watch a process and it's children under |
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26 # dtrace and process the results for dependency information. |
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27 # |
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28 # Ex: |
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29 # $ export WS_TOP=/top/of/your/workspace |
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30 # $ cd $(WS_TOP)/components/{component} |
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31 # $ $(WS_TOP)/tools/build-watch.pl -c "gmake install" |
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32 # |
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33 |
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34 use File::Temp qw/tempfile/; |
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35 use Getopt::Long; |
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36 |
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37 my $verbose = 0; |
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38 |
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39 my @ignore = ( |
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40 '^[^/\.].*', # ignore paths that don't begin with / or . |
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41 '^/dev/', # ignore devices |
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42 '^/etc/', # ignore config files |
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43 '^/proc/', # ignore /proc |
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44 '^/tmp/', # ignore temp files |
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45 '^/var/', # ignore more temp/volatile files |
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46 '^/usr/lib/locale/', # ignore locale support |
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47 '^/usr/share/lib/make/', # ignore make bits |
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48 '^/usr/share/lib/zoneinfo/', # ignore timezone info |
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49 '/SUNWspro/', # ignore compiler bits |
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50 '/sunstudio12.1/', # ignore more compiler bits |
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51 '^/ws/', # nothing in /ws can be interesting |
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52 '^\.[/\.]{0,1}$' # ignore ., .., and ./ |
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53 ); |
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54 |
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55 sub match |
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56 { |
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57 local($string, @expressions) = @_; |
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58 |
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59 foreach (@expressions) { |
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60 ($string =~ m{$_}) && return (1); |
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61 } |
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62 return (0); |
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63 } |
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64 |
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65 sub process_dtrace_results |
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66 { |
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67 local ($filename) = @_; |
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68 my (%tools, %files, $fh) = (); |
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69 |
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70 open($fh, "<$filename") || die "open($filename): $!\n"; |
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71 while (<$fh>) { |
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72 if (/^TOOL:\s+(\S+) = (\S+)$/) { |
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73 $tools{$2} = $1; |
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74 } elsif ((/^FILE:\s+(\S+)\s*$/) && (match($1, @ignore) == 0) && |
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75 (-e $1)) { |
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76 $files{$1} = $1; |
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77 } |
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78 } |
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79 close($fh); |
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80 |
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81 return (\%tools, \%files); |
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82 } |
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83 |
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84 sub generate_package_requirements |
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85 { |
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86 local (*tools, *files) = @_; |
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87 my ($count, %pkgs, @search_strings, $search_string) = (0); |
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88 |
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89 # create a set of search strings to query the package DB |
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90 foreach (sort (keys %tools, keys %files)) { |
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91 if ($count++ % 100 == 0) { |
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92 defined($search_string) && \ |
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93 push(@search_strings, $search_string); |
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94 $search_string = $_; |
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95 } else { |
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96 $search_string .= " OR $_"; |
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97 } |
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98 } |
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99 push(@search_strings, $search_string); |
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100 |
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101 # walk through the search strings and query the package DB |
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102 foreach (@search_strings) { |
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103 my $IFH; |
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104 |
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105 open($IFH, "pkg search -l -H -o path,pkg.name '$_'|"); |
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106 while (<$IFH>) { |
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107 (/^(\S+)\s+(\S+)$/) && ($pkgs{$1} = $2); |
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108 } |
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109 close($IFH); |
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110 } |
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111 |
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112 return (\%pkgs); |
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113 } |
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114 |
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115 # |
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116 # Main execution begins here |
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117 # |
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118 GetOptions("c|command=s" => \$cmd, "i|input-file=s" => \@file, |
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119 "v|verbose" => \$verbose); |
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120 |
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121 if (defined($cmd)) { |
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122 $file = (tempfile(UNLINK => 1))[1]; |
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123 |
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124 if (!defined($ENV{'WS_TOP'})) { |
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125 print("WS_TOP must be set in the calling environment\n"); |
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126 exit(1); |
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127 } |
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128 ($verbose == 1) && print("*** Executing '$cmd' under dtrace...\n"); |
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129 system($ENV{'WS_TOP'}."/tools/build-watch.d", "-o", $file, "-c", $cmd); |
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130 } |
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131 |
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132 ($verbose == 1) && printf("*** Processing results...\n"); |
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133 my ($tools, $files) = process_dtrace_results($file); |
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134 |
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135 ($verbose == 1) && printf("*** Generating package requirements...\n"); |
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136 my ($pkgs) = generate_package_requirements($tools, $files); |
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137 |
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138 if (defined($tools)) { |
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139 print "TOOL: $_\n" for (sort keys %$tools); |
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140 } |
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141 |
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142 if (defined($files)) { |
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143 print "FILE: $_\n" for (sort keys %$files); |
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144 } |
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145 |
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146 if (defined($pkgs)) { |
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147 @unique{values %$pkgs} = (); |
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148 print "PKG: $_\n" for (sort keys %unique); |
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149 } |
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150 |
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151 exit(0); |