GC.measure_total_time

() -> bool

GC.measure_total_time → true/false

# File tmp/rubies/ruby-3.4.1/gc.rb, line 376
def self.measure_total_time
  Primitive.cexpr! %{
    RBOOL(rb_gc_impl_get_measure_total_time(rb_gc_get_objspace()))
  }
end

Returns the measure_total_time flag (default: true). Note that measurement can affect the application’s 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= .latest_gc_info .enable .start also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1

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