Dtrace

Carp::Datum is a Perl module used for debugging and tracing. SYNOPSIS # In modules use Carp::Datum; # Programming by contract sub routine { DFEATURE my $f_, "optional message"; # $f_ is a lexical lvalue here my ($a, $b) = @_; DREQUIRE $a > $b, "a > b"; $a += 1; $b += 1; DASSERT $a >...


Platforms: *nix

LivePerf is a customizable performance monitoring tool for servers and distributed systems, featuring: * Consistent view across vendors, operating systems and application versions. * Extracting and presenting custom data, extracted from SQL queries, Java applications and even command line tools....


Platforms: Windows

A version of Ruby 1.9, ported to run directly on top of Mac OS X core technologies such as the Objective-C common runtime and garbage collector, and the CoreFoundation framework. While still a work in progress, it is the goal of MacRuby to enable the creation of full-fledged Mac OS X applications...


Platforms: Mac

BMScript is an Objective-C class set to make it easier to utilize the power and flexibility of a whole range of scripting languages that already come with modern Macs. BMScript does not favor any particular scripting language or UNIX??a*zNz command line tool for that matter, instead it was...


Platforms: Mac

SmartOS incorporates the four most revolutionary OS technologies of the past decade * Zones, ZFS, DTrace and KVM * into a single operating system, providing an arbitrarily observable, highly multi-tenant environment built on a reliable, enterprise-grade storage stack. With the introduction of KVM...


Platforms: *nix