Class: Procview::Runner
- Inherits:
-
Object
- Object
- Procview::Runner
- Defined in:
- lib/procview/runner.rb
Constant Summary collapse
- FORMAT =
"%7s"
Instance Attribute Summary collapse
-
#opts ⇒ Object
readonly
Returns the value of attribute opts.
Instance Method Summary collapse
-
#initialize(argv) ⇒ Runner
constructor
A new instance of Runner.
- #printCalls(pva) ⇒ Object
- #printReport(pva) ⇒ Object
- #run ⇒ Object
Constructor Details
Instance Attribute Details
#opts ⇒ Object (readonly)
Returns the value of attribute opts.
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# File 'lib/procview/runner.rb', line 14 def opts @opts end |
Instance Method Details
#printCalls(pva) ⇒ Object
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# File 'lib/procview/runner.rb', line 142 def printCalls pva puts "Duration by Call Type" totalType = 0.0 pva.calls.keys.sort{|a,b| pva.calls[b][1] <=> pva.calls[a][1]}.each do |k| v = pva.calls[k] printf "#{FORMAT} #{k}: #{v[0]}\n", v[1].to_duration(@opts.digits) totalType += v[1] end printf "#{FORMAT} Total duration \n\n", totalType.to_duration(@opts.digits) if pva.sigmap.size > 0 puts "Signals" pva.sigmap.keys.sort{|a,b| pva.sigmap[b] <=> pva.sigmap[a]}.each do |k| puts "\t#{k}: #{pva.sigmap[k]}" end end end |
#printReport(pva) ⇒ Object
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# File 'lib/procview/runner.rb', line 109 def printReport pva ioformat = Array.new(4, FORMAT).join(' ') puts "Duration by Source" printf "#{ioformat} %s\n", 'OTHER', 'WAIT', 'READ', 'WRITE', 'Name' totalSource = Procview::Stats.new pva.iomap.keys.sort{|a,b| pva.iomap[b].sum <=> pva.iomap[a].sum}.each do |k| binned = false @opts.buckets.values.each do |v| binned = k =~ v[0] if binned v[1].add! pva.iomap[k] break end end unless binned printf "#{ioformat} ", *(pva.iomap[k].map{|m|m.to_duration(@opts.digits)}) puts k # as it may contain % end totalSource.add! pva.iomap[k] end @opts.buckets.each do |k,v| name = k.is_a?(Symbol) ? k.to_s: "Sum: #{k}" printf "#{ioformat} #{name}\n", *(v[1].map{|m|m.to_duration(@opts.digits)}) end printf "#{ioformat} Total duration\n", *(totalSource.map{|m|m.to_duration(@opts.digits)}) printf "#{FORMAT} %34s\n", pva.dregs.to_duration(@opts.digits), 'Unassigned' return totalSource.sum end |
#run ⇒ Object
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# File 'lib/procview/runner.rb', line 22 def run if @opts.debug @opts.debug = File.open("/tmp/procview.debug.#{$$}", "w") $stderr.puts "Writing debug output to file #{@opts.debug.path}" end unless @opts.filename Procview.checklsof @opts.quiet Procview.checkstrace @opts.quiet end pva = Analyzer.new @opts.to_h if @opts.filename file = File.open(@opts.filename, "r") unless file $stderr.puts "Can't open input file #{@opts.filename}" exit 2 end if @opts.raw pva.pwd = FileUtils.pwd pva.inithandles = { 0 => :stdin, 1 => :stdout, 2 => :stderr } end pva.load(file) else fifoname = "/tmp/procview.fifo.#{$$}" res = `mkfifo #{fifoname}` begin cmdargs = Procview::STRACE + [ "-o", fifoname ] if @opts.pid puts "Tracing PID #{@opts.pid} (Ctrl-C to disconnect)" cmdargs += [ "-p", @opts.pid.to_s ] else cmdargs += ARGV end stpid = spawn *cmdargs trap 'INT' do Process.kill("INT", stpid) puts "Sent #{stpid} SIGINT" end if @opts.pid IO.popen(Procview::LSOF + ["-p", @opts.pid.to_s]) do |lsof| while line = lsof.gets fields = line.split /\s+/ next unless fields[3] =~ /(\d+\w|cwd)/ @opts.debug.puts "LSOF #{line}\n" if @opts.debug pva.digest "LSOF #{line}" end end else pva.pwd = FileUtils.pwd pva.inithandles = { 0 => :stdin, 1 => :stdout, 2 => :stderr } # We don't know the actual traced process PID so put -1 # and let the analyzer work things out @opts.debug.puts <<-FAKELSOF.gsub(/^\s+/,'') if @opts.debug LSOF bash -1 root cwd DIR 253,0 4096 655363 #{pva.pwd} LSOF bash -1 root 0u CHR 136,0 0t0 3 stdin LSOF bash -1 root 1u CHR 136,0 0t0 3 stdout LSOF bash -1 root 2u CHR 136,0 0t0 3 stderr FAKELSOF end File.open(fifoname, "r") do |fifo| pva.load(fifo) end Process.wait(stpid) ensure FileUtils.rm_f fifoname end end totalBySource = printReport pva totalByCall = pva.calls.values.inject(0.0){|s,v| s + v[1]} unless @opts.quiet $stderr.puts "Warnings (#{pva.warnings.size})\n" if pva.warnings.size > 0 pva.warnings.each { |w| $stderr.puts w } end unless totalByCall.near? totalBySource + pva.dregs, 0.001 puts "WARNING IO and call totals don't add up!" printf "\tDelta %s (The dregs were %s)\n", (totalByCall - totalBySource).to_duration(@opts.digits), pva.dregs.to_duration(@opts.digits) end printCalls(pva) if @opts.calls end |