class method

GC.stress=

(::Integer flag) -> ::Integer

(bool flag) -> bool

GC.stress = value → value

# File tmp/rubies/ruby-4.0.0/gc.rb, line 111
def self.stress=(flag)
  Primitive.gc_stress_set_m flag
end

Enables or disables stress mode; enabling stress mode will degrade performance; it is only for debugging.

Sets the current GC stress mode to the given value:

If the value is nil or false, disables stress mode.
If the value is an integer, enables stress mode with certain flags; see below.
Otherwise, enables stress mode; GC is invoked at every GC opportunity: all memory and object allocations.

The flags are bits in the given integer:

See also .stress .total_time .stat_heap #garbage_collect also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0