| 1 | #! /usr/bin/perl |
| 2 | |
| 3 | # This script converts a "bb.out" file into a format |
| 4 | # suitable for processing by gprof |
| 5 | |
| 6 | # Write a new-style gmon header |
| 7 | |
| 8 | print pack("A4Ix12", "gmon", 1); |
| 9 | |
| 10 | |
| 11 | # The input file format contains header lines and data lines. |
| 12 | # Header lines contain a count of how many data lines follow before |
| 13 | # the next header line. $blockcount is set to the count that |
| 14 | # appears in each header line, then decremented at each data line. |
| 15 | # $blockcount should always be zero at the start of a header line, |
| 16 | # and should never be zero at the start of a data line. |
| 17 | |
| 18 | $blockcount=0; |
| 19 | |
| 20 | while (<>) { |
| 21 | if (/^File .*, ([0-9]+) basic blocks/) { |
| 22 | print STDERR "Miscount: line $.\n" if ($blockcount != 0); |
| 23 | $blockcount = $1; |
| 24 | |
| 25 | print pack("cI", 2, $blockcount); |
| 26 | } |
| 27 | if (/Block.*executed([ 0-9]+) time.* address= 0x([0-9a-fA-F]*)/) { |
| 28 | print STDERR "Miscount: line $.\n" if ($blockcount == 0); |
| 29 | $blockcount-- if ($blockcount > 0); |
| 30 | |
| 31 | $count = $1; |
| 32 | $addr = hex $2; |
| 33 | |
| 34 | print pack("II",$addr,$count); |
| 35 | } |
| 36 | } |