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94 lines
4.2 KiB
Ruby
94 lines
4.2 KiB
Ruby
require 'rbconfig'
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module JITSupport
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JIT_TIMEOUT = 600 # 10min for each...
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JIT_SUCCESS_PREFIX = 'JIT success \(\d+\.\dms\)'
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JIT_RECOMPILE_PREFIX = 'JIT recompile'
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JIT_COMPACTION_PREFIX = 'JIT compaction \(\d+\.\dms\)'
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UNSUPPORTED_COMPILERS = [
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%r[\A.*/bin/intel64/icc\b],
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%r[\A/opt/developerstudio\d+\.\d+/bin/cc\z],
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]
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# debian-riscv64: "gcc: internal compiler error: Segmentation fault signal terminated program cc1" https://rubyci.org/logs/rubyci.s3.amazonaws.com/debian-riscv64/ruby-master/log/20200420T083601Z.fail.html.gz
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# freebsd12: cc1 internal failure https://rubyci.org/logs/rubyci.s3.amazonaws.com/freebsd12/ruby-master/log/20200306T103003Z.fail.html.gz
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# rhel8: one or more PCH files were found, but they were invalid https://rubyci.org/logs/rubyci.s3.amazonaws.com/rhel8/ruby-master/log/20200306T153003Z.fail.html.gz
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# centos8: ditto https://rubyci.org/logs/rubyci.s3.amazonaws.com/centos8/ruby-master/log/20200512T003004Z.fail.html.gz
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PENDING_RUBYCI_NICKNAMES = %w[
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debian-riscv64
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freebsd12
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rhel8
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centos8
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]
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module_function
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# Run Ruby script with --mjit-wait (Synchronous JIT compilation).
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# Returns [stdout, stderr]
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def eval_with_jit(env = nil, script, **opts)
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stdout, stderr = nil, nil
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# retry 3 times while cc1 error happens.
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3.times do |i|
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stdout, stderr, status = eval_with_jit_without_retry(env, script, **opts)
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assert_equal(true, status.success?, "Failed to run script with JIT:\n#{code_block(script)}\nstdout:\n#{code_block(stdout)}\nstderr:\n#{code_block(stderr)}")
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break unless retried_stderr?(stderr)
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end
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[stdout, stderr]
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end
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def eval_with_jit_without_retry(env = nil, script, verbose: 0, min_calls: 5, save_temps: false, max_cache: 1000, wait: true, timeout: JIT_TIMEOUT)
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args = [
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'--disable-gems', "--mjit-verbose=#{verbose}",
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"--mjit-min-calls=#{min_calls}", "--mjit-max-cache=#{max_cache}",
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]
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args << '--disable-yjit'
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args << '--mjit-wait' if wait
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args << '--mjit-save-temps' if save_temps
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args << '--mjit-debug' if defined?(@mjit_debug) && @mjit_debug
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args << '-e' << script
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base_env = { 'MJIT_SEARCH_BUILD_DIR' => 'true' } # workaround to skip requiring `make install` for `make test-all`
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if preloadenv = RbConfig::CONFIG['PRELOADENV'] and !preloadenv.empty?
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so = "mjit_build_dir.#{RbConfig::CONFIG['SOEXT']}"
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base_env[preloadenv] = File.realpath(so) rescue nil
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end
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args.unshift(env ? base_env.merge!(env) : base_env)
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EnvUtil.invoke_ruby(args,
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'', true, true, timeout: timeout,
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)
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end
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def supported?
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return @supported if defined?(@supported)
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@supported = RbConfig::CONFIG["MJIT_SUPPORT"] != 'no' && UNSUPPORTED_COMPILERS.all? do |regexp|
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!regexp.match?(RbConfig::CONFIG['MJIT_CC'])
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end && !appveyor_pdb_corrupted? && !PENDING_RUBYCI_NICKNAMES.include?(ENV['RUBYCI_NICKNAME'])
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end
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# AppVeyor's Visual Studio 2013 / 2015 are known to spuriously generate broken pch / pdb, like:
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# error C2859: c:\projects\ruby\x64-mswin_120\include\ruby-2.8.0\x64-mswin64_120\rb_mjit_header-2.8.0.pdb
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# is not the pdb file that was used when this precompiled header was created, recreate the precompiled header.
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# https://ci.appveyor.com/project/ruby/ruby/builds/32159878/job/l2p38snw8yxxpp8h
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#
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# Until we figure out why, this allows us to skip testing JIT when it happens.
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def appveyor_pdb_corrupted?
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return false unless ENV.key?('APPVEYOR')
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stdout, _stderr, _status = eval_with_jit_without_retry('proc {}.call', verbose: 2, min_calls: 1)
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stdout.include?('.pdb is not the pdb file that was used when this precompiled header was created, recreate the precompiled header.')
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end
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def remove_mjit_logs(stderr)
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if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled? # utility for -DFORCE_MJIT_ENABLE
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stderr.gsub(/^MJIT warning: Skipped to compile unsupported instruction: \w+\n/m, '')
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else
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stderr
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end
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end
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def code_block(code)
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%Q["""\n#{code}\n"""\n\n]
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end
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# We're retrying cc1 not found error on gcc, which should be solved in the future but ignored for now.
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def retried_stderr?(stderr)
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RbConfig::CONFIG['CC'].start_with?('gcc') &&
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stderr.include?("error trying to exec 'cc1': execvp: No such file or directory")
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end
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end
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