module RubyVM::RJIT
Constants
- CFP
- C_ARGS
SystemV x64 calling convention
- C_RET
- CantCompile
- Default
- EC
Callee-saved registers TODO: support using r12/r13 here
- EndBlock
- GC_REFS
Mark objects in this Array during GC
- KeepCompiling
Compilation status
- MAX_LOCAL_TYPES
Maximum number of local variable types we keep track of
- MAX_TEMP_TYPES
Maximum number of temp value types we keep track of
- MAX_VERSIONS
Maximum number of versions per block 1 means always create generic versions
- MapToLocal
- MapToSelf
- MapToStack
Potential mapping of a value on the temporary stack to self, a local variable, or constant so that we can track its type
- Next0
Branch shapes
- Next1
- Qfalse
- Qnil
- Qtrue
Ruby constants
- Qundef
- QwordPtr
64-bit memory access
- SP
- SelfOpnd
Operand to a YARV bytecode instruction
- StackOpnd
- Type
Represent the type of a value (local/stack/self) in
RJIT
Public Class Methods
runtime_stats()
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Return a Hash for RJIT statistics. --rjit-stats makes more information available.
# File ruby_vm/rjit/stats.rb, line 4 def self.runtime_stats stats = {} # Insn exits INSNS.each_value do |insn| exits = C.rjit_insn_exits[insn.bin] if exits > 0 stats[:"exit_#{insn.name}"] = exits end end # Runtime stats C.rb_rjit_runtime_counters.members.each do |member| stats[member] = C.rb_rjit_counters.public_send(member) end stats[:vm_insns_count] = C.rb_vm_insns_count # 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_rjit = stats[:rjit_insns_count] - stats[:side_exit_count] stats[:total_insns_count] = retired_in_rjit + stats[:vm_insns_count] stats[:ratio_in_rjit] = 100.0 * retired_in_rjit / stats[:total_insns_count] else stats.delete(:vm_insns_count) end stats end