37 lines
992 B
Perl
37 lines
992 B
Perl
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#! /usr/bin/perl
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# This script converts a "bb.out" file into a format
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# suitable for processing by gprof
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# Write a new-style gmon header
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print pack("A4Ix12", "gmon", 1);
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# The input file format contains header lines and data lines.
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# Header lines contain a count of how many data lines follow before
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# the next header line. $blockcount is set to the count that
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# appears in each header line, then decremented at each data line.
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# $blockcount should always be zero at the start of a header line,
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# and should never be zero at the start of a data line.
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$blockcount=0;
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while (<>) {
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if (/^File .*, ([0-9]+) basic blocks/) {
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print STDERR "Miscount: line $.\n" if ($blockcount != 0);
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$blockcount = $1;
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print pack("cI", 2, $blockcount);
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}
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if (/Block.*executed([ 0-9]+) time.* address= 0x([0-9a-fA-F]*)/) {
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print STDERR "Miscount: line $.\n" if ($blockcount == 0);
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$blockcount-- if ($blockcount > 0);
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$count = $1;
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$addr = hex $2;
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print pack("II",$addr,$count);
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}
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}
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