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| -rw-r--r-- | actionpack/lib/action_view/helpers/benchmark_helper.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/benchmark_helper.rb b/actionpack/lib/action_view/helpers/benchmark_helper.rb new file mode 100644 index 0000000000..ee1f88be82 --- /dev/null +++ b/actionpack/lib/action_view/helpers/benchmark_helper.rb @@ -0,0 +1,22 @@ +require 'benchmark' + +module ActionView + module Helpers + module BenchmarkHelper + # Measures the execution time of a block in a template and reports the result to the log. Example: + # + # <% benchmark "Notes section" do %> + # <%= expensive_notes_operation %> + # <% end %> + # + # Will add something like "Notes section (0.345234)" to the log. + def benchmark(message = "Benchmarking", &block) + bm = Benchmark.measure do + block.call + end + + @logger.info("#{message} (#{bm.real})") + end + end + end +end
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