thr2

(lldb) up
frame #5: 0x000000010020a365 rbx`rubinius::memory::MarkSweepGC::allocate(this=0x000000010191cd50, bytes=664, collect_now=0x00007000090fcb7f) at mark_sweep.cpp:48
   45  	  }
   46  	
   47  	  Object* MarkSweepGC::allocate(size_t bytes, bool& collect_now) {
-> 48  	    void* mem = malloc(bytes);
   49  	    if(!mem) return NULL;
   50  	
   51  	    Object* obj = reinterpret_cast<Object*>(mem);

thr85

frame #4: 0x0000000100190335 rbx`rubinius::instructions::send_stack(rubinius::State*, rubinius::CallFrame*, long, long) [inlined] rubinius::CallSite::execute(this=<unavailable>, state=0x000070000c6b5c10, args=0x000000000000457e) at call_site.hpp:458 [opt]
   455 	    }
   456 	
   457 	    Object* execute(STATE, Arguments& args) {
-> 458 	      return _execute_(state, this, args);
   459 	    }
   460 	
   461 	    Object* cache_miss(STATE, Arguments& args) {
(lldb) down
frame #3: 0x0000000100066b67 rbx`rubinius::CallSite::invoke_cached(state=0x000070000c6b5c10, call_site=0x000000011d650e60, args=0x000070000c6b3b60) at call_site.hpp:307
   304 	      InlineCache* cache = 0;
   305 	
   306 	      for(int i = 0; i < max_caches && (cache = call_site->_caches_[i]); i++) {
-> 307 	        Object* value = cache->execute(state, call_site, args, valid_p);
   308 	
   309 	        if(valid_p) return value;
   310 	      }
(lldb) down
frame #2: 0x000000010006790c rbx`rubinius::CallSite::InlineCache::execute(this=0x00000001152af120, state=0x000070000c6b5c10, call_site=0x000000011d650e60, args=0x000070000c6b3b60, valid_p=0x000070000c6b3b0f) at call_site.hpp:123
   120 	          call_site->hit();
   121 	          hit();
   122 	          valid_p = true;
-> 123 	          return _execute_(state, call_site, this, args);
   124 	        }
   125 	
   126 	        call_site->miss();
(lldb) down
frame #1: 0x0000000100066d8d rbx`rubinius::CallSite::InlineCache::invoke(state=0x000070000c6b5c10, call_site=0x000000011d650e60, cache=0x00000001152af120, args=0x000070000c6b3b60) at call_site.hpp:138
   135 	        state->vm()->metrics().machine.methods_invoked++;
   136 	        state->vm()->metrics().machine.inline_cache_hits++;
   137 	
-> 138 	        return cache->prediction()->executable()->execute(state,
   139 	            cache->prediction()->executable(), cache->prediction()->module(), args);
   140 	      }
   141