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YJIT: Handle 0 total_exits YJIT Status Display (#6079)

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handle case in YJIT stats where 0 exits causes NaN in the display
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Dave Schwantes 2022-06-30 09:24:34 -05:00 • committed by GitHub
parent b0c639f249
commit 2366e14976
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Notes: git 2022-06-30 23:24:55 +09:00 
Merged-By: maximecb <maximecb@ruby-lang.org>
1 changed files with 15 additions and 11 deletions
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26
yjit.rb
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@ -233,19 +233,23 @@ module RubyVM::YJIT
exits = exits.sort_by { |name, count| -count }[0...how_many]
total_exits = total_exit_count(stats)
top_n_total = exits.map { |name, count| count }.sum
top_n_exit_pct = 100.0 * top_n_total / total_exits
if total_exits > 0
top_n_total = exits.map { |name, count| count }.sum
top_n_exit_pct = 100.0 * top_n_total / total_exits
$stderr.puts "Top-#{how_many} most frequent exit ops (#{"%.1f" % top_n_exit_pct}% of exits):"
$stderr.puts "Top-#{how_many} most frequent exit ops (#{"%.1f" % top_n_exit_pct}% of exits):"
longest_insn_name_len = exits.map { |name, count| name.length }.max
exits.each do |name, count|
padding = longest_insn_name_len + left_pad
padded_name = "%#{padding}s" % name
padded_count = "%10d" % count
percent = 100.0 * count / total_exits
formatted_percent = "%.1f" % percent
$stderr.puts("#{padded_name}: #{padded_count} (#{formatted_percent}%)" )
longest_insn_name_len = exits.map { |name, count| name.length }.max
exits.each do |name, count|
padding = longest_insn_name_len + left_pad
padded_name = "%#{padding}s" % name
padded_count = "%10d" % count
percent = 100.0 * count / total_exits
formatted_percent = "%.1f" % percent
$stderr.puts("#{padded_name}: #{padded_count} (#{formatted_percent}%)" )
end
else
$stderr.puts "total_exits: " + ("%10d" % total_exits)
end
end