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YJIT: Introduce RubyVM::YJIT.stats_string (#7857) 

* YJIT: Introduce RubyVM::YJIT.printed_stats

* Use #string instead

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>

* Rename it to #stats_string

Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>

---------

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
This commit is contained in:
Takashi Kokubun 2023-06-01 09:16:21 -07:00 коммит произвёл GitHub
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yjit.rb
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@ -184,6 +184,16 @@ module RubyVM::YJIT
stats
end
# Format and print out counters as a String. This returns a non-empty
# content only when --yjit-stats is enabled.
def self.stats_string
# Lazily require StringIO to avoid breaking miniruby
require 'stringio'
strio = StringIO.new
_print_stats(out: strio)
strio.string
end
# Produce disassembly for an iseq
def self.disasm(iseq)
# If a method or proc is passed in, get its iseq
@ -237,90 +247,90 @@ module RubyVM::YJIT
end
# Format and print out counters
def _print_stats # :nodoc:
def _print_stats(out: $stderr) # :nodoc:
stats = runtime_stats(context: true)
return unless stats
return unless Primitive.rb_yjit_stats_enabled_p
$stderr.puts("***YJIT: Printing YJIT statistics on exit***")
out.puts("***YJIT: Printing YJIT statistics on exit***")
print_counters(stats, prefix: 'send_', prompt: 'method call exit reasons: ')
print_counters(stats, prefix: 'invokeblock_', prompt: 'invokeblock exit reasons: ')
print_counters(stats, prefix: 'invokesuper_', prompt: 'invokesuper exit reasons: ')
print_counters(stats, prefix: 'leave_', prompt: 'leave exit reasons: ')
print_counters(stats, prefix: 'gbpp_', 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: 'definedivar_', prompt: 'definedivar exit reasons:')
print_counters(stats, prefix: 'opt_aref_', prompt: 'opt_aref exit reasons: ')
print_counters(stats, prefix: 'expandarray_', prompt: 'expandarray exit reasons: ')
print_counters(stats, prefix: 'opt_getinlinecache_', prompt: 'opt_getinlinecache exit reasons: ')
print_counters(stats, prefix: 'invalidate_', prompt: 'invalidation reasons: ')
print_counters(stats, out: out, prefix: 'send_', prompt: 'method call exit reasons: ')
print_counters(stats, out: out, prefix: 'invokeblock_', prompt: 'invokeblock exit reasons: ')
print_counters(stats, out: out, prefix: 'invokesuper_', prompt: 'invokesuper exit reasons: ')
print_counters(stats, out: out, prefix: 'leave_', prompt: 'leave exit reasons: ')
print_counters(stats, out: out, prefix: 'gbpp_', prompt: 'getblockparamproxy exit reasons: ')
print_counters(stats, out: out, prefix: 'getivar_', prompt: 'getinstancevariable exit reasons:')
print_counters(stats, out: out, prefix: 'setivar_', prompt: 'setinstancevariable exit reasons:')
print_counters(stats, out: out, prefix: 'definedivar_', prompt: 'definedivar exit reasons:')
print_counters(stats, out: out, prefix: 'opt_aref_', prompt: 'opt_aref exit reasons: ')
print_counters(stats, out: out, prefix: 'expandarray_', prompt: 'expandarray exit reasons: ')
print_counters(stats, out: out, prefix: 'opt_getinlinecache_', prompt: 'opt_getinlinecache exit reasons: ')
print_counters(stats, out: out, prefix: 'invalidate_', prompt: 'invalidation reasons: ')
# Number of failed compiler invocations
compilation_failure = stats[:compilation_failure]
$stderr.puts "num_send: " + format_number(13, stats[:num_send])
$stderr.puts "num_send_known_class: " + format_number_pct(13, stats[:num_send_known_class], stats[:num_send])
$stderr.puts "num_send_polymorphic: " + format_number_pct(13, stats[:num_send_polymorphic], stats[:num_send])
out.puts "num_send: " + format_number(13, stats[:num_send])
out.puts "num_send_known_class: " + format_number_pct(13, stats[:num_send_known_class], stats[:num_send])
out.puts "num_send_polymorphic: " + format_number_pct(13, stats[:num_send_polymorphic], stats[:num_send])
if stats[:num_send_x86_rel32] != 0 || stats[:num_send_x86_reg] != 0
$stderr.puts "num_send_x86_rel32: " + format_number(13, stats[:num_send_x86_rel32])
$stderr.puts "num_send_x86_reg: " + format_number(13, stats[:num_send_x86_reg])
out.puts "num_send_x86_rel32: " + format_number(13, stats[:num_send_x86_rel32])
out.puts "num_send_x86_reg: " + format_number(13, stats[:num_send_x86_reg])
end
$stderr.puts "iseq_stack_too_large: " + format_number(13, stats[:iseq_stack_too_large])
$stderr.puts "iseq_too_long: " + format_number(13, stats[:iseq_too_long])
$stderr.puts "temp_reg_opnd: " + format_number(13, stats[:temp_reg_opnd])
$stderr.puts "temp_mem_opnd: " + format_number(13, stats[:temp_mem_opnd])
$stderr.puts "temp_spill: " + format_number(13, stats[:temp_spill])
$stderr.puts "bindings_allocations: " + format_number(13, stats[:binding_allocations])
$stderr.puts "bindings_set: " + format_number(13, stats[:binding_set])
$stderr.puts "compilation_failure: " + format_number(13, compilation_failure) if compilation_failure != 0
$stderr.puts "compiled_iseq_count: " + format_number(13, stats[:compiled_iseq_count])
$stderr.puts "compiled_blockid_count:" + format_number(13, stats[:compiled_blockid_count])
$stderr.puts "compiled_block_count: " + format_number(13, stats[:compiled_block_count])
out.puts "iseq_stack_too_large: " + format_number(13, stats[:iseq_stack_too_large])
out.puts "iseq_too_long: " + format_number(13, stats[:iseq_too_long])
out.puts "temp_reg_opnd: " + format_number(13, stats[:temp_reg_opnd])
out.puts "temp_mem_opnd: " + format_number(13, stats[:temp_mem_opnd])
out.puts "temp_spill: " + format_number(13, stats[:temp_spill])
out.puts "bindings_allocations: " + format_number(13, stats[:binding_allocations])
out.puts "bindings_set: " + format_number(13, stats[:binding_set])
out.puts "compilation_failure: " + format_number(13, compilation_failure) if compilation_failure != 0
out.puts "compiled_iseq_count: " + format_number(13, stats[:compiled_iseq_count])
out.puts "compiled_blockid_count:" + format_number(13, stats[:compiled_blockid_count])
out.puts "compiled_block_count: " + format_number(13, stats[:compiled_block_count])
if stats[:compiled_blockid_count] != 0
$stderr.puts "versions_per_block: " + format_number(13, "%4.3f" % (stats[:compiled_block_count].fdiv(stats[:compiled_blockid_count])))
out.puts "versions_per_block: " + format_number(13, "%4.3f" % (stats[:compiled_block_count].fdiv(stats[:compiled_blockid_count])))
end
$stderr.puts "compiled_branch_count: " + format_number(13, stats[:compiled_branch_count])
$stderr.puts "block_next_count: " + format_number(13, stats[:block_next_count])
$stderr.puts "defer_count: " + format_number(13, stats[:defer_count])
$stderr.puts "defer_empty_count: " + format_number(13, stats[:defer_empty_count])
out.puts "compiled_branch_count: " + format_number(13, stats[:compiled_branch_count])
out.puts "block_next_count: " + format_number(13, stats[:block_next_count])
out.puts "defer_count: " + format_number(13, stats[:defer_count])
out.puts "defer_empty_count: " + format_number(13, stats[:defer_empty_count])
$stderr.puts "branch_insn_count: " + format_number(13, stats[:branch_insn_count])
$stderr.puts "branch_known_count: " + format_number_pct(13, stats[:branch_known_count], stats[:branch_insn_count])
out.puts "branch_insn_count: " + format_number(13, stats[:branch_insn_count])
out.puts "branch_known_count: " + format_number_pct(13, stats[:branch_known_count], stats[:branch_insn_count])
$stderr.puts "freed_iseq_count: " + format_number(13, stats[:freed_iseq_count])
$stderr.puts "invalidation_count: " + format_number(13, stats[:invalidation_count])
$stderr.puts "constant_state_bumps: " + format_number(13, stats[:constant_state_bumps])
$stderr.puts "get_ivar_max_depth: " + format_number(13, stats[:get_ivar_max_depth])
$stderr.puts "inline_code_size: " + format_number(13, stats[:inline_code_size])
$stderr.puts "outlined_code_size: " + format_number(13, stats[:outlined_code_size])
$stderr.puts "code_region_size: " + format_number(13, stats[:code_region_size])
$stderr.puts "freed_code_size: " + format_number(13, stats[:freed_code_size])
$stderr.puts "yjit_alloc_size: " + format_number(13, stats[:yjit_alloc_size]) if stats.key?(:yjit_alloc_size)
$stderr.puts "live_context_size: " + format_number(13, stats[:live_context_size])
$stderr.puts "live_context_count: " + format_number(13, stats[:live_context_count])
$stderr.puts "live_page_count: " + format_number(13, stats[:live_page_count])
$stderr.puts "freed_page_count: " + format_number(13, stats[:freed_page_count])
$stderr.puts "code_gc_count: " + format_number(13, stats[:code_gc_count])
$stderr.puts "num_gc_obj_refs: " + format_number(13, stats[:num_gc_obj_refs])
$stderr.puts "object_shape_count: " + format_number(13, stats[:object_shape_count])
$stderr.puts "side_exit_count: " + format_number(13, stats[:side_exit_count])
$stderr.puts "total_exit_count: " + format_number(13, stats[:total_exit_count])
$stderr.puts "total_insns_count: " + format_number(13, stats[:total_insns_count]) if stats.key?(:total_insns_count)
out.puts "freed_iseq_count: " + format_number(13, stats[:freed_iseq_count])
out.puts "invalidation_count: " + format_number(13, stats[:invalidation_count])
out.puts "constant_state_bumps: " + format_number(13, stats[:constant_state_bumps])
out.puts "get_ivar_max_depth: " + format_number(13, stats[:get_ivar_max_depth])
out.puts "inline_code_size: " + format_number(13, stats[:inline_code_size])
out.puts "outlined_code_size: " + format_number(13, stats[:outlined_code_size])
out.puts "code_region_size: " + format_number(13, stats[:code_region_size])
out.puts "freed_code_size: " + format_number(13, stats[:freed_code_size])
out.puts "yjit_alloc_size: " + format_number(13, stats[:yjit_alloc_size]) if stats.key?(:yjit_alloc_size)
out.puts "live_context_size: " + format_number(13, stats[:live_context_size])
out.puts "live_context_count: " + format_number(13, stats[:live_context_count])
out.puts "live_page_count: " + format_number(13, stats[:live_page_count])
out.puts "freed_page_count: " + format_number(13, stats[:freed_page_count])
out.puts "code_gc_count: " + format_number(13, stats[:code_gc_count])
out.puts "num_gc_obj_refs: " + format_number(13, stats[:num_gc_obj_refs])
out.puts "object_shape_count: " + format_number(13, stats[:object_shape_count])
out.puts "side_exit_count: " + format_number(13, stats[:side_exit_count])
out.puts "total_exit_count: " + format_number(13, stats[:total_exit_count])
out.puts "total_insns_count: " + format_number(13, stats[:total_insns_count]) if stats.key?(:total_insns_count)
if stats.key?(:vm_insns_count)
$stderr.puts "vm_insns_count: " + format_number(13, stats[:vm_insns_count])
out.puts "vm_insns_count: " + format_number(13, stats[:vm_insns_count])
end
$stderr.puts "yjit_insns_count: " + format_number(13, stats[:exec_instruction])
out.puts "yjit_insns_count: " + format_number(13, stats[:exec_instruction])
if stats.key?(:ratio_in_yjit)
$stderr.puts "ratio_in_yjit: " + ("%12.1f" % stats[:ratio_in_yjit]) + "%"
out.puts "ratio_in_yjit: " + ("%12.1f" % stats[:ratio_in_yjit]) + "%"
end
$stderr.puts "avg_len_in_yjit: " + ("%13.1f" % stats[:avg_len_in_yjit])
out.puts "avg_len_in_yjit: " + ("%13.1f" % stats[:avg_len_in_yjit])
print_sorted_exit_counts(stats, prefix: "exit_")
print_sorted_exit_counts(stats, out: out, prefix: "exit_")
end
def print_sorted_exit_counts(stats, prefix:, how_many: 20, left_pad: 4) # :nodoc:
def print_sorted_exit_counts(stats, out:, prefix:, how_many: 20, left_pad: 4) # :nodoc:
total_exits = total_exit_count(stats)
if total_exits > 0
@ -336,17 +346,17 @@ module RubyVM::YJIT
top_n_total = exits.sum { |name, count| count }
top_n_exit_pct = 100.0 * top_n_total / total_exits
$stderr.puts "Top-#{exits.size} most frequent exit ops (#{"%.1f" % top_n_exit_pct}% of exits):"
out.puts "Top-#{exits.size} most frequent exit ops (#{"%.1f" % top_n_exit_pct}% of exits):"
longest_insn_name_len = exits.max_by { |name, count| name.length }.first.length
exits.each do |name, count|
padding = longest_insn_name_len + left_pad
padded_name = "%#{padding}s" % name
padded_count = format_number_pct(10, count, total_exits)
$stderr.puts("#{padded_name}: #{padded_count}")
out.puts("#{padded_name}: #{padded_count}")
end
else
$stderr.puts "total_exits: " + format_number(10, total_exits)
out.puts "total_exits: " + format_number(10, total_exits)
end
end
@ -358,14 +368,14 @@ module RubyVM::YJIT
total
end
def print_counters(counters, prefix:, prompt:) # :nodoc:
$stderr.puts(prompt)
def print_counters(counters, out:, prefix:, prompt:) # :nodoc:
out.puts(prompt)
counters = counters.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)")
out.puts(" (all relevant counters are zero)")
return
end
@ -377,7 +387,7 @@ module RubyVM::YJIT
counters.reverse_each do |(name, value)|
padded_name = name.rjust(longest_name_length, ' ')
padded_count = format_number_pct(10, value, total)
$stderr.puts(" #{padded_name}: #{padded_count}")
out.puts(" #{padded_name}: #{padded_count}")
end
end