Class: Innodb::Stats

Inherits:
Object
  • Object
show all
Defined in:
lib/innodb/stats.rb

Overview

Collect stats globally within innodb_ruby for comparison purposes and for correctness checking.

Constant Summary collapse

@@data = 
Hash.new(0)

Class Method Summary collapse

Class Method Details

.data ⇒ Object

Return the data hash directly.



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# File 'lib/innodb/stats.rb', line 9

def self.data
  @@data
end

.get(name) ⇒ Object

Get a statistic by name.



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# File 'lib/innodb/stats.rb', line 20

def self.get(name)
  @@data[name]
end

.increment(name, value = 1) ⇒ Object

Increment a statistic by name (typically a symbol), optionally by a value provided.



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# File 'lib/innodb/stats.rb', line 15

def self.increment(name, value=1)
  @@data[name] += value
end

.print_report(io = STDOUT) ⇒ Object

Print a simple report of collected statistics, optionally to the IO object provided, or by default to STDOUT.



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# File 'lib/innodb/stats.rb', line 32

def self.print_report(io=STDOUT)
  io.puts "%-50s%10s" % [
    "Statistic",
    "Count",
  ]
  @@data.sort.each do |name, count|
    io.puts "%-50s%10i" % [
      name,
      count
    ]
  end

  nil
end

.reset ⇒ Object

Reset all statistics.



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# File 'lib/innodb/stats.rb', line 25

def self.reset
  @@data.clear
  nil
end