wvdschel

(presentation :output "foo.pdf" :width 1024 :height 768
 (slide
  (title "foo")
  (image "foo.png" :width 200 :height 200 :caption "A typical foo."))
 
 (slide
  (title "bar")
  (ulist
   "test 1"
   "test 2"))

wvdschel

while(true) do if( curl http://www.iwt.be/nieuws/feed/92 2> /dev/null | grep "Dec 2010" ); then amixer sset Master,0 80%,80%; curl http://www.wavsource.com/snds_2010-11-21_1584521671331348/video_games/duke/make_day.wav > alert.wav; mpg123 alert.wav; break; fi; sleep 2; done

wvdschel

require 'gserver'
require 'timeout'
require 'thread'

class ForwardThread < Thread
  MAX_DATA = 1000 * 1024
  TIME_SLOT = 0.3
  @@lock = Mutex.new
  @@data_sent = 0

wvdschel

### memset2 ###
.macro f_fill64 dst, offset, val, fixup
9:  sw \val, (\offset + 0 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 1 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 2 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 3 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 4 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 5 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 6 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous
9:  sw \val, (\offset + 7 * 4)(\dst); .section __ex_table,"a"; .word 9b, \fixup; .previous

wvdschel

OLD MEMSET: 170963885 loops, 2 bytes/loop, 10 sec, 32 MB/sec
NEW MEMSET: 238815611 loops, 2 bytes/loop, 10 sec, 45 MB/sec
====================================
OLD MEMSET: 182202651 loops, 4 bytes/loop, 10 sec, 69 MB/sec
NEW MEMSET: 177544626 loops, 4 bytes/loop, 10 sec, 67 MB/sec
====================================
OLD MEMSET: 197814868 loops, 8 bytes/loop, 10 sec, 150 MB/sec
NEW MEMSET: 177487994 loops, 8 bytes/loop, 10 sec, 135 MB/sec
====================================
OLD MEMSET: 177510297 loops, 16 bytes/loop, 10 sec, 270 MB/sec

wvdschel

/* Always change a */
// Do we need to change a??/
if(aChanged)
    foo->a = a;

/* Never change a */
// Do we need to change a??/
if(aChanged) foo->a = a;

wvdschel

[Fri Apr 13 11:14:09.029 2012] A4 00070.912.781 errApp: 301 errapp/nfr/cpu (01307) Less than 100000 filehandles left!
[Fri Apr 13 11:14:09.031 2012] A4 00070.918.151 errApp: 301 errapp/nfr/cpu (01244) Process /usr/sbin/udevd (pid: 180) has 12 file handles open.
[Fri Apr 13 11:14:09.033 2012] A4 00070.918.854 errApp: 301 errapp/nfr/cpu (01244) Process /philips/tools/ostracefiforeader (pid: 225) has 21 file handles open.
[Fri Apr 13 11:14:09.035 2012] A4 00070.920.217 errApp: 301 errapp/nfr/cpu (01244) Process /philips/apps/amApp (pid: 276) has 105 file handles open.
[Fri Apr 13 11:14:09.036 2012] A4 00070.931.222 errApp: 301 errapp/nfr/cpu (01289) /proc/trcext: 4 descriptors
[Fri Apr 13 11:14:09.039 2012] A4 00070.931.429 errApp: 301 errapp/nfr/cpu (01289) /mnt/jffs0/boot/am: 4 descriptors
[Fri Apr 13 11:14:09.041 2012] A4 00070.931.581 errApp: 301 errapp/nfr/cpu (01289) /dev: 61 descriptors
[Fri Apr 13 11:14:09.042 2012] A4 00070.931.628 errApp: 301 errapp/nfr/cpu (01289) anon_inode: 6 descriptors
[Fri Apr 13

wvdschel

Dir['*.log'].each do |fname|
  log = Log.parse(fname)
  symbol = log.symbols.values.sort_by { |s| -s.charcount }.first
  line = log.lines.values.sort_by { |s| -s.charcount }.first
  puts "#{log.cats_charcount}/#{log.charcount} in #{log.name}, most offensive: #{symbol.name} (#{symbol.charcount}), #{line.name} (#{line.charcount})"
end

# Output:
# 2169/21484 in regexp-info.log, most offensive: -/legacy/printf (983), -/legacy/printf:0000 (983)
# 212132/227923 in teraterm.log, most offensive: amApp/resmgmt (22885), amApp/resmgmt:0850 (16423)

wvdschel

# Stats about a single log
class Log
  # Load a file and parse every line as a print.
  def self.parse(file_path)
    Log.new(file_path, File.readlines(file_path))
  end

              # Number of lines in the file and number of lines that are valid CATS prints
  attr_reader :linecount,     :cats_linecount,
              # Number of characters that are in the file, part of CATS prints and part of CATS header overhead, respectively

wvdschel

#!/bin/bash
SIZE=`expr $1 \* 1024`
if [[ x$SIZE == x ]]
then
	MEM=`free | grep Mem | sed -e "s/[^0-9]*\([0-9]\+\).*/\1/"`
	SIZE=`expr $MEM + $MEM / 4`
	echo "No size provided, using 125% of memory size (${SIZE}KB)"
fi

COUNT=`expr $SIZE / 4`