a15860dca3
Create unit tests for Trace2. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
77 lines
1.9 KiB
Perl
77 lines
1.9 KiB
Perl
#!/usr/bin/perl
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#
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# Scrub the variable fields from the perf trace2 output to
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# make testing easier.
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use strict;
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use warnings;
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my $qpath = '\'[^\']*\'|[^ ]*';
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my $col_depth=0;
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my $col_thread=1;
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my $col_event=2;
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my $col_repo=3;
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my $col_t_abs=4;
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my $col_t_rel=5;
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my $col_category=6;
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my $col_rest=7;
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# This code assumes that the trace2 data was written with bare
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# turned on (which omits the "<clock> <file>:<line> | <parents>"
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# prefix.
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while (<>) {
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my @tokens = split /\|/;
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foreach my $col (@tokens) { $col =~ s/^\s+|\s+$//g; }
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if ($tokens[$col_event] =~ m/^start/) {
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# The 'start' message lists the contents of argv in $col_rest.
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# On some platforms (Windows), argv[0] is *sometimes* a canonical
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# absolute path to the EXE rather than the value passed in the
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# shell script. Replace it with a placeholder to simplify our
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# HEREDOC in the test script.
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my $argv0;
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my $argvRest;
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$tokens[$col_rest] =~ s/^($qpath)\W*(.*)/_EXE_ $2/;
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}
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elsif ($tokens[$col_event] =~ m/cmd_path/) {
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# Likewise, the 'cmd_path' message breaks out argv[0].
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#
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# This line is only emitted when RUNTIME_PREFIX is defined,
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# so just omit it for testing purposes.
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# $tokens[$col_rest] = "_EXE_";
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goto SKIP_LINE;
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}
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elsif ($tokens[$col_event] =~ m/child_exit/) {
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$tokens[$col_rest] =~ s/ pid:\d* / pid:_PID_ /;
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}
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elsif ($tokens[$col_event] =~ m/data/) {
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if ($tokens[$col_category] =~ m/process/) {
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# 'data' and 'data_json' events containing 'process'
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# category data are assumed to be platform-specific
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# and highly variable. Just omit them.
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goto SKIP_LINE;
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}
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}
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# t_abs and t_rel are either blank or a float. Replace the float
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# with a constant for matching the HEREDOC in the test script.
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if ($tokens[$col_t_abs] =~ m/\d/) {
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$tokens[$col_t_abs] = "_T_ABS_";
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}
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if ($tokens[$col_t_rel] =~ m/\d/) {
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$tokens[$col_t_rel] = "_T_REL_";
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}
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my $out;
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$out = join('|', @tokens);
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print "$out\n";
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SKIP_LINE:
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}
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