Gems
ruby-prof
ruby-prof is a fast code profiler for MRI Ruby.
Reading call stack reports

Thread: 70110087513800, Fiber: 70109815429240 (25.60% ~ 0.03563404083251953)
- 0.03563… — time taken in seconds to execute the call
69.40% (82.43%) Array#each [1 calls, 44 total]
- 69.40% — percentage relative to thread
- 82.43% — percentage relative to parent
- Array#each — method called
- 1 calls — number of calls for this node
- 44 total — number of calls across the entire tree