Add support utils for tracing

Following patch adds a userspace util genprof
which is able to convert the console printed
traces to gmon.out file used by gprof & friends.
The log2dress will replace the adresses in logfile
with a line numbers.

Change-Id: I9f716f3ff2522a24fbc844a1dd5e32ef49b540c5
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Reviewed-on: http://review.coreboot.org/179
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

util/genprof/log2dress

@@ -0,0 +1,20 @@
+#!/bin/bash
+#Parse a log and get back the function names and line numbers
+#Provide a log file as first argument
+
+#Please rewrite to something more saner !
+
+cat $1 | while read line ; do
+A=`echo $line | cut -c 1`
+
+if [ "$A" = '~' ] ; then
+FROM=`echo $line | tr \~ \( | tr \) \(  | awk -F\( '{print $3}'`
+TO=`echo $line  | tr \~ \( | tr \) \(|awk -F\( '{print $2}'`
+addr2line -e ../../build/coreboot_ram.debug "$FROM" | tr -d "\n"
+echo -n " calls "
+addr2line -e ../../build/coreboot_ram.debug "$TO"
+else
+echo "$line"
+fi
+
+done