Ruby: An object-oriented programming language that's flexible and handy

Ruby is an object-oriented programming language that balances functional and imperative programming.

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Article

Register Transfer Language for CRuby

Vladimir Makarov

This post shows the advantages and disadvantages of using register transfer language (RTL) for CRuby, and it compares the performance of RTL CRuby with that of trunk CRuby.

SystemTap
Article

Making the Operation of Code More Transparent and Obvious with SystemTap

William Cohen

You can study source code and manually instrument functions as described in the “Use the dynamic tracing tools, Luke” blog article, but why not make it easier to find key points in the software by adding user-space markers to the application code? User-space markers have been available in Linux for quite some time (since 2009). The inactive user-space markers do not significantly slow down the code. Having them available allows you to get a more accurate picture of what the...

SystemTap
Article

"Use the dynamic tracing tools, Luke"

William Cohen

Reviewing source code can be helpful in understanding how code works, but the static view may not give you a complete picture. The paths taken through code are heavily data dependent. Learn how to use Systemtap and debuginfo to dig into the Ruby interpreter internals on Red Hat Enterprise Linux 7.

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