Awesome
rblineprof
Installation
gem install rblineprof
Or in your Gemfile:
gem 'rblineprof'
Usage
require 'rblineprof'
profile = lineprof(/./) do
sleep 0.001
100.times do
sleep 0.001
1*2*3
4*5*6
7*8*9*10*11*12*13*14*15
2**32
2**128
end
end
file = profile.keys.first
File.readlines(file).each_with_index do |line, num|
wall, cpu, calls, allocations = profile[file][num + 1]
if wall > 0 || cpu > 0 || calls > 0
printf(
"% 5.1fms + % 6.1fms (% 4d) | %s",
cpu / 1000.0,
(wall - cpu) / 1000.0,
calls,
line
)
else
printf " | %s", line
end
end
Will give you:
| require 'rblineprof'
|
| profile = lineprof(/./) do
0.1ms + 1.4ms ( 1) | sleep 0.001
|
2.7ms + 132.2ms ( 1) | 100.times do
1.3ms + 131.7ms ( 100) | sleep 0.001
|
| 1*2*3
| 4*5*6
| 7*8*9*10*11*12*13*14*15
0.1ms + 0.1ms ( 100) | 2**32
0.6ms + 0.1ms ( 100) | 2**128
| end
| end
|
| file = profile.keys.first
|
| File.readlines(file).each_with_index do |line, num|
| wall, cpu, calls, allocations = profile[file][num + 1]
|
| if wall > 0 || cpu > 0 || calls > 0
| printf(
| "% 5.1fms + % 6.1fms (% 4d) | %s",
| cpu / 1000.0,
| (wall - cpu) / 1000.0,
| calls,
| line
| )
| else
| printf " | %s", line
| end
| end
Rails integration
Other profilers
- PLine line-profiler for ruby 1.9
- pure-ruby LineProfiler for ruby 1.6
- method_profiler
- ruby-prof
- perftools.rb
- zenprofile
License
rblineprof is released under the MIT License.