bin/ec2-gem-profile.rb perftools/ec2prof perftools/ec2prof-results.dot perftools/ec2prof-results.txt perftools/ec2prof.symbols @@ -21,6 +21,7 @@ begin gem.add_development_dependency('mocha', '>= 0.9.5') gem.add_development_dependency('test-spec', '>= 0.10.0') gem.add_development_dependency('rcov', '>= 0.8.1.2.0') + gem.add_development_dependency('perftools.rb', '= 0.1.6') end @@ -91,3 +92,10 @@ begin rescue LoadError puts "Rake SshDirPublisher is unavailable or your rubyforge environment is not configured." end + +desc "Generate a perftools.rb profile" +task :profile do + system("CPUPROFILE=perftools/ec2prof RUBYOPT='-r/usr/local/lib/ruby/gems/1.8/gems/perftools.rb-0.1.6/lib/perftools.bundle' ruby -r'rubygems' bin/ec2-gem-profile.rb") + system("pprof.rb --text --ignore=Gem perftools/ec2prof > perftools/ec2prof-results.txt") + system("pprof.rb --dot --ignore=Gem perftools/ec2prof > perftools/ec2prof-results.dot") +end \ No newline at end of file Rakefile 8578bd90bbc86952c8813e63e03fa80ed4634d5d Glenn Rempe glenn@rempe.us http://github.com/grempe/amazon-ec2/commit/bf7b7a80c370a7ee37a489f678b28b2534fad89b bf7b7a80c370a7ee37a489f678b28b2534fad89b 2009-06-13T11:15:03-07:00 2009-06-13T11:15:03-07:00 Add a rake task to view results from perftools.rb. The ec2prof-results.txt and ec2prof-results.dot provide interesting insight into performance bottlenecks. Open the *.dot file with a graphviz capable viewer like OmniGraffle for terrific graphical summary. See http://www.igvita.com/2009/06/13/profiling-ruby-with-googles-perftools/ for more info. 01145578666ecf6df9fecad1887fbd9fe83af2d4 Glenn Rempe glenn@rempe.us