ruby-prof - David Grayson

Las Vegas Ruby Group

February 06, 2012

49

ruby-prof - David Grayson

Las Vegas Ruby Group

February 06, 2012

Tweet

More Decks by Las Vegas Ruby Group

See All by Las Vegas Ruby Group

Ruby ISO Standard - David Grayson

0

92

Windows Automation - Howard Feldman

0

37

Separating Your Application from Rails - Brian Hughes

0

70

SWIG and Ruby - David Grayson

0

39

Practical Object-Oriented Design in Ruby - Charles Jackson

3

96

The Hamster Gem - Ryan Mulligan

1

70

Varnish+Redis - Russ Smith

1

73

Lambdas and Pops - Jan Hettich

0

38

Making Good Use of Fonts - Russ Smith

1

53

Featured

See All Featured

Testing 201, or: Great Expectations

27

6.3k

The Art of Programming - Codeland 2020

41

12k

Fashionably flexible responsive web design (full day workshop)

397

65k

What's in a price? How to price your products and services

237

11k

9

4.5k

Bash Introduction

604

210k

Docker and Python

33

2.7k

Cheating the UX When There Is Nothing More to Optimize - PixelPioneers

stephaniewalter

272

13k

Bootstrapping a Software Product

301

110k

XXLCSS - How to scale CSS and keep your sanity

240

1.2M

No one is an island. Learnings from fostering a developers community.

14

2.1k

Into the Great Unknown - MozCon

10

980

Transcript

ruby-prof David Grayson Las Vegas Ruby Meetup 2012-02-06
None
Features of ruby-prof  Speed  Can measure:  call
times  memory usage  object allocations  Text and cross-referenced html reports:  Flat profiles  Graph profiles  Call tree profiles for KCacheGrind  Supports multiple threads
Example profiles
ruby-prof executable ruby-prof --file=profile.html \ --printer=graph_html \ slow_program.rb ruby-prof slow_program.rb
ruby-prof API require 'ruby-prof' RubyProf.start slow_code result = RubyProf.stop File.open("slow2.txt","w")
do |file| RubyProf::GraphPrinter.new(result).print(file) end