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#!/usr/perl5/bin/perl |
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# |
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# CDDL HEADER START |
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# |
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# The contents of this file are subject to the terms of the |
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# Common Development and Distribution License (the "License"). |
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# You may not use this file except in compliance with the License. |
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# |
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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# or http://www.opensolaris.org/os/licensing. |
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# See the License for the specific language governing permissions |
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# and limitations under the License. |
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# |
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# When distributing Covered Code, include this CDDL HEADER in each |
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# file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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# If applicable, add the following below this CDDL HEADER, with the |
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# fields enclosed by brackets "[]" replaced with your own identifying |
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# information: Portions Copyright [yyyy] [name of copyright owner] |
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# |
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# CDDL HEADER END |
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# |
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# Copyright (c) 2010, Oracle and/or it's affiliates. All rights reserved. |
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# |
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# |
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# build-watch.pl - a simple utility to watch a process and it's children under |
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# dtrace and process the results for dependency information. |
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# |
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# Ex: |
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# $ export WS_TOP=/top/of/your/workspace |
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# $ cd $(WS_TOP)/components/{component} |
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# $ $(WS_TOP)/tools/build-watch.pl -c "gmake install" |
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# |
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use File::Temp qw/tempfile/; |
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use Getopt::Long; |
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my $verbose = 0; |
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my @ignore = ( |
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'^[^/\.].*', # ignore paths that don't begin with / or . |
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'^/dev/', # ignore devices |
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'^/etc/', # ignore config files |
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'^/proc/', # ignore /proc |
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'^/tmp/', # ignore temp files |
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'^/var/', # ignore more temp/volatile files |
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'^/usr/lib/locale/', # ignore locale support |
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'^/usr/share/lib/make/', # ignore make bits |
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'^/usr/share/lib/zoneinfo/', # ignore timezone info |
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'^/ws/', # nothing in /ws can be interesting |
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'^\.[/\.]{0,1}$' # ignore ., .., and ./ |
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); |
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sub match |
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{ |
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local($string, @expressions) = @_; |
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foreach (@expressions) { |
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($string =~ m{$_}) && return (1); |
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} |
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return (0); |
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} |
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sub process_dtrace_results |
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{ |
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local ($filename) = @_; |
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my (%tools, %files, $fh) = (); |
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open($fh, "<$filename") || die "open($filename): $!\n"; |
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while (<$fh>) { |
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if (/^TOOL:\s+(\S+) = (\S+)$/) { |
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$tools{$2} = $1; |
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} elsif ((/^FILE:\s+(\S+)\s*$/) && (match($1, @ignore) == 0) && |
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(-e $1)) { |
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$files{$1} = $1; |
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} |
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} |
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close($fh); |
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return (\%tools, \%files); |
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} |
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sub generate_package_requirements |
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{ |
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local (*tools, *files) = @_; |
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my ($count, %pkgs, @search_strings, $search_string) = (0); |
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# create a set of search strings to query the package DB |
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foreach (sort (keys %tools, keys %files)) { |
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if ($count++ % 100 == 0) { |
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defined($search_string) && \ |
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push(@search_strings, $search_string); |
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$search_string = $_; |
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} else { |
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$search_string .= " OR $_"; |
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} |
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} |
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push(@search_strings, $search_string); |
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# walk through the search strings and query the package DB |
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foreach (@search_strings) { |
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my $IFH; |
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open($IFH, "pkg search -l -H -o path,pkg.name '$_'|"); |
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while (<$IFH>) { |
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(/^(\S+)\s+(\S+)$/) && ($pkgs{$1} = $2); |
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} |
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close($IFH); |
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} |
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return (\%pkgs); |
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} |
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# |
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# Main execution begins here |
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# |
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GetOptions("c|command=s" => \$cmd, "i|input-file=s" => \@file, |
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"p|pkg" => \$pkg_flag, "v|verbose" => \$verbose); |
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if (defined($cmd)) { |
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$file = (tempfile(UNLINK => 1))[1]; |
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if (!defined($ENV{'WS_TOP'})) { |
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print("WS_TOP must be set in the calling environment\n"); |
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exit(1); |
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} |
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($verbose == 1) && print("*** Executing '$cmd' under dtrace...\n"); |
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system($ENV{'WS_TOP'}."/tools/build-watch.d", "-o", $file, "-c", $cmd); |
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} |
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($verbose == 1) && printf("*** Processing results...\n"); |
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my ($tools, $files) = process_dtrace_results($file); |
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if (defined($pkg_flag)) { |
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($verbose == 1) && printf("*** Generating package requirements...\n"); |
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my ($pkgs) = generate_package_requirements($tools, $files); |
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} |
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if (defined($tools)) { |
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print "\n"; |
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print "REQUIRED_TOOL +=\t$_\n" for (sort keys %$tools); |
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} |
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if (defined($files)) { |
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print "\n"; |
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print "REQUIRED_FILE +=\t$_\n" for (sort keys %$files); |
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} |
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if (defined($pkgs)) { |
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@unique{values %$pkgs} = (); |
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print "\n"; |
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print "REQUIRED_PKG +=\t$_\n" for (sort keys %unique); |
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} |
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exit(0); |