68 lines
1.8 KiB
Batchfile
68 lines
1.8 KiB
Batchfile
@rem = '--*-Perl-*--
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@set "ErrorLevel="
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@if "%OS%" == "Windows_NT" @goto WinNT
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@perl -x -S "%0" %1 %2 %3 %4 %5 %6 %7 %8 %9
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@set ErrorLevel=%ErrorLevel%
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@goto endofperl
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:WinNT
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@perl -x -S %0 %*
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@set ErrorLevel=%ErrorLevel%
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@if NOT "%COMSPEC%" == "%SystemRoot%\system32\cmd.exe" @goto endofperl
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@if %ErrorLevel% == 9009 @echo You do not have Perl in your PATH.
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@goto endofperl
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@rem ';
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#!perl
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#line 30
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=head1 NAME
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dbilogstrip - filter to normalize DBI trace logs for diff'ing
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=head1 SYNOPSIS
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Read DBI trace file C<dbitrace.log> and write out a stripped version to C<dbitrace_stripped.log>
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dbilogstrip dbitrace.log > dbitrace_stripped.log
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Run C<yourscript.pl> twice, each with different sets of arguments, with
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DBI_TRACE enabled. Filter the output and trace through C<dbilogstrip> into a
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separate file for each run. Then compare using diff. (This example assumes
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you're using a standard shell.)
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DBI_TRACE=2 perl yourscript.pl ...args1... 2>&1 | dbilogstrip > dbitrace1.log
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DBI_TRACE=2 perl yourscript.pl ...args2... 2>&1 | dbilogstrip > dbitrace2.log
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diff -u dbitrace1.log dbitrace2.log
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=head1 DESCRIPTION
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Replaces any hex addresses, e.g, C<0x128f72ce> with C<0xN>.
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Replaces any references to process id or thread id, like C<pid#6254> with C<pidN>.
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So a DBI trace line like this:
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-> STORE for DBD::DBM::st (DBI::st=HASH(0x19162a0)~0x191f9c8 'f_params' ARRAY(0x1922018)) thr#1800400
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will look like this:
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-> STORE for DBD::DBM::st (DBI::st=HASH(0xN)~0xN 'f_params' ARRAY(0xN)) thrN
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=cut
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use strict;
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while (<>) {
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# normalize hex addresses: 0xDEADHEAD => 0xN
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s/ \b 0x [0-9a-f]+ /0xN/gx;
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# normalize process and thread id number
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s/ \b (pid|tid|thr) \W? \d+ /${1}N/gx;
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} continue {
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print or die "-p destination: $!\n";
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}
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__END__
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:endofperl
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@set "ErrorLevel=" & @goto _undefined_label_ 2>NUL || @"%COMSPEC%" /d/c @exit %ErrorLevel%
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