time to bleed by Joe Damato

technical ramblings from a wanna-be unix dinosaur

Available for consulting projects

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I am happy to announce that I have launched my consulting company: Sassano Systems and am now available for consulting projects.

If you have something that is slow, acting weird, or needs to be redesigned I can help.

My specialties are systems programming, debugging, and performance analysis. I build, maintain, and refactor anything written in C. I find and fix extremely elusive bugs in kernels, drivers, and system libraries. I tweak applications, operating systems, and drivers to get better performance.

Previous work

I’ve worked on a wide range of projects from unraveling and understanding recent Linux kernel exploits, to maintaining and extending widely used tracing tools, and even writing drivers to help test networking code. I’ve diagnosed tricky bugs in the Ruby MRI 1.8 virtual machine. I wrote a Ruby MRI 1.8 memory profiler that works by rewriting the Ruby virtual machine while it is running.

I’ve given talks in the US and internationally about some of the weird things I’ve seen inside of computers.


  • C, x86 assembly, x86_64 assembly
  • Performance analysis, debugging
  • Kernels, drivers, debuggers, linkers, loaders, boot loaders
  • Build toolchains, cross platform build systems


To get more information about my rates or how I can help, check out my website at: http://sassanosystems.com.

Written by Joe Damato

June 10th, 2013 at 12:10 am