End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method · added in Ruby 3.1

GC.measure_total_time

GC.measure_total_time → true/false

# File tmp/rubies/ruby-3.1.3/gc.rb, line 288
def self.measure_total_time
  Primitive.cexpr! %{
    RBOOL(rb_objspace.flags.measure_gc)
  }
end

Return measure_total_time flag (default: true). Note that measurement can affect the application performance.

Ruby version changes

3.1
- “GC.measure_total_time = true” enables the measurement of GC. Measurement can introduce overhead. It is enabled by default. GC.measure_total_time returns the current setting. GC.stat[:time] or GC.stat(:time) returns measured time in milli-seconds. [[Feature #10917]]

See also .measure_total_time= .malloc_allocations .malloc_allocated_size .remove_stress_to_class also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2