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Ruby bindings for DTrace
Home Page: http://ruby-dtrace.rubyforge.org
This project forked from chrisa/ruby-dtrace
Ruby bindings for DTrace
Home Page: http://ruby-dtrace.rubyforge.org
Ruby-DTrace is Ruby bindings for Dtrace, which allows you to add DTrace probes to your Ruby programs, and to write D-based programs with Ruby. == FEEDBACK Fork the repository on Github: http://github.com/chrisa/ruby-dtrace Rubyforge mailing list: http://rubyforge.org/mailman/listinfo/ruby-dtrace-users == FEATURES Consumer: * Access to the D API * Probe metadata * Run D programs * Access aggregates * Consume output from D programs Probes: * Create USDT providers from Ruby, at runtime. * No code-generation or gcc/linker dependency == SYNOPSIS Consumer: see Dtrace require 'Dtrace' t = Dtrace.new progtext = 'ruby$1:::function-entry{ @a[strjoin(strjoin(copyinstr(arg0),"."),copyinstr(arg1))] = count(); } END { printa(@a); }' prog = t.compile progtext prog.execute t.go [...] c = DtraceConsumer.new(t) c.consume_once do |rec| # handle records end Probes: see Dtrace::Provider require 'dtrace/provider' Dtrace::Provider.create :rubyprog do |p| p.probe :foo, :string, :string p.probe :bar, :integer, :integer end Dtrace::Probe::Rubyprog.foo do |p| p.fire('fired!', 'again') end Dtrace::Probe::Rubyprog.bar do |p| p.fire(42, 27) end == REQUIREMENTS * For the consumer API, platform with DTrace support (OpenSolaris, Mac OS X 10.5 Leopard and 10.6 Snow Leopard tested, possibly also FreeBSD). * For the probe API, a platform with DTrace support (as for the consumer API), with a 32 bit or 64 bit Ruby build - i386/x86_64, PowerPC (for OS X) and SPARC (for Solaris) are all supported. * root, or some/all of the dtrace privileges on Solaris: dtrace_user, dtrace_proc and dtrace_kernel. == INSTALL $ sudo gem install ruby-dtrace == LICENSE Copyright (c) 2008, 2009, 2011 Chris Andrews <[email protected]> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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