Tools

• Troubleshooting and performance analysis: strace, ltrace, Linux Trace Toolkit (LTT), gprof
  • Major patches submitted to ltrace to handle structures, pointers, ia86 architecture
• System monitoring: PCP, vmstat, netstat
  • Implemented distributed performance analysis tool with PCP API
• Debugging: gdb, valgrind, Electric Fence, dbmalloc
  • Implemented memory debugger and virtual address space summary tool
• Code editing and refactoring: emacs, vi, xref, cxref
  • Implemented two-way communication between Emacs and an AJAX web page for position-dependent help and context details
  • Implemented emacs major mode for editing source code with indentation and highlighting
• Source control: git, Perforce, CVS, Subversion, PRCS, RCS
  • Implemented automated change notification script
  • Incorporate build id into generated executable
• Testing, bug tracking: Bugzilla, CGI::Test, Tinderbox
  • Rewrote large portions of Tinderbox to streamline workflow, simplify configuration, generate final build packages
• Parsing: bison (yacc), flex (lex), perl, Yapp, Parse::RecDescent
  • Implemented my own LALR(1) parser generator/visualizer/debugger
  • Greatly extended flex's buffer management (proprietary changes; unreleased)
• Data visualization and manipulation: R, gnuplot, plotutils, Math::Calc::Units, dot, neato
  • Author of Math::Calc::Units
• Databases: MySQL, PostgresQL, Oracle, gdbm
  • Familiar with DBI, JDBC, J2EE
• Networking: SSH, LWP, tcpdump, ethereal, ipchains, nc (NetCat), Samba, httptunnel
  • Familiar with complex port forwarding configuration via SSH
  • Created ad-hoc VPN solution for Windows boxes using Samba, SSH, pppd, slirp
• Web development: Apache, jquery, AJAX, mod_perl, Jserv
• Email: Sendmail Milter API
  • Implemented Bad mail cleaner for handling "Cannot convert to RFC-822 format" errors
• Multimedia: GIMP, Photoshop, FFmpeg, mplayer, ALSA, GStreamer
  • Implemented "sound clip manager" component for GStreamer