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