Class: StackProf::CLI::Session

Inherits:
Object
  • Object
show all
Defined in:
lib/stackprof/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#ctx ⇒ Object (readonly)

Returns the value of attribute ctx.



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# File 'lib/stackprof/cli.rb', line 51

def ctx
  @ctx
end

Instance Method Details

#all ⇒ Object

Print all the methods by sample time. Paged.



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# File 'lib/stackprof/cli.rb', line 74

def all
  check_for_report
  page do |out|
    @report.print_text(false, nil, out)
  end
end

#check_for_report ⇒ Object

Simple check to see if a report has been loaded.



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# File 'lib/stackprof/cli.rb', line 98

def check_for_report
  if !@report
    puts "You have to load a dump first with load-dump"
    return
  end
end

#load_dump(file) ⇒ Object

Load a dump into a StackProf::Report object.



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# File 'lib/stackprof/cli.rb', line 54

def load_dump(file)
  data = File.read(file)
  @report = StackProf::Remote::ProcessReportCollector.report_from_marshaled_results(data)
  @current_report = File.basename(file)
  puts ">>> #{@current_report} loaded"
end

#page {|out| ... } ⇒ Object

Wrap the output in pry’s pager (less)

Yields:

  • (out) 


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# File 'lib/stackprof/cli.rb', line 119

def page(&block)
  out = StringIO.new
  yield out
  ctx._pry_.pager.page out.string
end

#print_file(file) ⇒ Object 



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# File 'lib/stackprof/cli.rb', line 89

def print_file(file)
  check_for_report

  page do |out|
    @report.print_file(file, out)
  end
end

#print_method(method) ⇒ Object

Print callers/callees of methods matching method. Paged.



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# File 'lib/stackprof/cli.rb', line 82

def print_method(method)
  check_for_report
  page do |out|
    @report.print_method(method, out)
  end
end

#puts(*args) ⇒ Object

Helper to delegate puts to the current context



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# File 'lib/stackprof/cli.rb', line 114

def puts(*args)
  ctx.output.puts(*args)
end

#top(limit = 10) ⇒ Object

Print the top ‘limit` methods by sample time



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# File 'lib/stackprof/cli.rb', line 62

def top(limit = 10)
  check_for_report
  @report.print_text(false, limit.to_i, ctx.output)
end

#total(limit = 10) ⇒ Object

Print the top ‘limit` methods by total time



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# File 'lib/stackprof/cli.rb', line 68

def total(limit = 10)
  check_for_report
  @report.print_text(true, limit.to_i, ctx.output)
end

#with_context(ctx, &block) ⇒ Object

Wrap the execution of a method with a Pry context



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# File 'lib/stackprof/cli.rb', line 106

def with_context(ctx, &block)
  @ctx = ctx
  res = yield self
  @ctx = nil
  res
end