diff options
Diffstat (limited to 'lib/ruby_vm/mjit/stats.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/stats.rb | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/lib/ruby_vm/mjit/stats.rb b/lib/ruby_vm/mjit/stats.rb deleted file mode 100644 index b605f3c1ad..0000000000 --- a/lib/ruby_vm/mjit/stats.rb +++ /dev/null @@ -1,102 +0,0 @@ -# frozen_string_literal: true -module RubyVM::MJIT - def self.runtime_stats - stats = {} - - # Insn exits - INSNS.each_value do |insn| - exits = C.mjit_insn_exits[insn.bin] - if exits > 0 - stats[:"exit_#{insn.name}"] = exits - end - end - - # Runtime stats - C.rb_mjit_runtime_counters.members.each do |member| - stats[member] = C.rb_mjit_counters.public_send(member) - end - - # Other stats are calculated here - stats[:side_exit_count] = stats.select { |name, _count| name.start_with?('exit_') }.sum(&:last) - if stats[:vm_insns_count] > 0 - retired_in_mjit = stats[:mjit_insns_count] - stats[:side_exit_count] - stats[:total_insns_count] = retired_in_mjit + stats[:vm_insns_count] - stats[:ratio_in_mjit] = 100.0 * retired_in_mjit / stats[:total_insns_count] - end - - stats - end - - class << self - private - - def print_stats - stats = runtime_stats - $stderr.puts("***MJIT: Printing MJIT statistics on exit***") - - print_counters(stats, prefix: 'send_', prompt: 'method call exit reasons') - print_counters(stats, prefix: 'invokesuper_', prompt: 'invokesuper exit reasons') - print_counters(stats, prefix: 'getblockpp_', prompt: 'getblockparamproxy exit reasons') - print_counters(stats, prefix: 'getivar_', prompt: 'getinstancevariable exit reasons') - print_counters(stats, prefix: 'setivar_', prompt: 'setinstancevariable exit reasons') - print_counters(stats, prefix: 'optaref_', prompt: 'opt_aref exit reasons') - print_counters(stats, prefix: 'optgetconst_', prompt: 'opt_getconstant_path exit reasons') - print_counters(stats, prefix: 'expandarray_', prompt: 'expandarray exit reasons') - - $stderr.puts "compiled_block_count: #{format_number(13, stats[:compiled_block_count])}" - $stderr.puts "side_exit_count: #{format_number(13, stats[:side_exit_count])}" - $stderr.puts "total_insns_count: #{format_number(13, stats[:total_insns_count])}" if stats.key?(:total_insns_count) - $stderr.puts "vm_insns_count: #{format_number(13, stats[:vm_insns_count])}" if stats.key?(:vm_insns_count) - $stderr.puts "mjit_insns_count: #{format_number(13, stats[:mjit_insns_count])}" - $stderr.puts "ratio_in_mjit: #{format('%12.1f', stats[:ratio_in_mjit])}%" if stats.key?(:ratio_in_mjit) - - print_exit_counts(stats) - end - - def print_counters(stats, prefix:, prompt:) - $stderr.puts("#{prompt}: ") - counters = stats.filter { |key, _| key.start_with?(prefix) } - counters.filter! { |_, value| value != 0 } - counters.transform_keys! { |key| key.to_s.delete_prefix(prefix) } - - if counters.empty? - $stderr.puts(" (all relevant counters are zero)") - return - end - - counters = counters.to_a - counters.sort_by! { |(_, counter_value)| counter_value } - longest_name_length = counters.max_by { |(name, _)| name.length }.first.length - total = counters.sum { |(_, counter_value)| counter_value } - - counters.reverse_each do |(name, value)| - percentage = value.fdiv(total) * 100 - $stderr.printf(" %*s %s (%4.1f%%)\n", longest_name_length, name, format_number(10, value), percentage) - end - end - - def print_exit_counts(stats, how_many: 20, padding: 2) - exits = stats.filter_map { |name, count| [name.to_s.delete_prefix('exit_'), count] if name.start_with?('exit_') }.to_h - return if exits.empty? - - top_exits = exits.sort_by { |_name, count| -count }.first(how_many).to_h - total_exits = exits.values.sum - $stderr.puts "Top-#{top_exits.size} most frequent exit ops (#{format("%.1f", 100.0 * top_exits.values.sum / total_exits)}% of exits):" - - name_width = top_exits.map { |name, _count| name.length }.max + padding - count_width = top_exits.map { |_name, count| format_number(10, count).length }.max + padding - top_exits.each do |name, count| - ratio = 100.0 * count / total_exits - $stderr.puts "#{format("%#{name_width}s", name)}: #{format_number(count_width, count)} (#{format('%4.1f', ratio)}%)" - end - end - - # Format large numbers with comma separators for readability - def format_number(pad, number) - integer, decimal = number.to_s.split('.') - d_groups = integer.chars.reverse.each_slice(3) - with_commas = d_groups.map(&:join).join(',').reverse - [with_commas, decimal].compact.join('.').rjust(pad, ' ') - end - end -end |