End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
class method
GC::Profiler.enable
GC::Profiler.enable → nil
gc.c
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static VALUE
gc_profile_enable(VALUE _)
{
rb_objspace_t *objspace = &rb_objspace;
objspace->profile.run = TRUE;
objspace->profile.current_record = 0;
return Qnil;
}
Starts the GC profiler.