1*c54f35caSApple OSS Distributions #!/usr/sbin/dtrace -s 2*c54f35caSApple OSS Distributions 3*c54f35caSApple OSS Distributions vminfo:::object_ownership_change 4*c54f35caSApple OSS Distributions { 5*c54f35caSApple OSS Distributions old_owner = (task_t)arg1; 6*c54f35caSApple OSS Distributions if (old_owner == 0) { 7*c54f35caSApple OSS Distributions old_pid = -1; 8*c54f35caSApple OSS Distributions old_name = "(nil)"; 9*c54f35caSApple OSS Distributions } else { 10*c54f35caSApple OSS Distributions old_proc = xlate <psinfo_t *>((proc_t)old_owner->t_tro->tro_proc); 11*c54f35caSApple OSS Distributions old_pid = old_proc->pr_pid; 12*c54f35caSApple OSS Distributions old_name = old_proc->pr_fname; 13*c54f35caSApple OSS Distributions } 14*c54f35caSApple OSS Distributions new_owner = (task_t)arg4; 15*c54f35caSApple OSS Distributions if (new_owner == 0) { 16*c54f35caSApple OSS Distributions new_pid = -1; 17*c54f35caSApple OSS Distributions new_name = "(nil)"; 18*c54f35caSApple OSS Distributions } else { 19*c54f35caSApple OSS Distributions new_proc = xlate <psinfo_t *>((proc_t)new_owner->t_tro->tro_proc); 20*c54f35caSApple OSS Distributions new_pid = new_proc->pr_pid; 21*c54f35caSApple OSS Distributions new_name = new_proc->pr_fname; 22*c54f35caSApple OSS Distributions } 23*c54f35caSApple OSS Distributions 24*c54f35caSApple OSS Distributions printf("%d[%s] object 0x%p id 0x%x purgeable:%d owner:0x%p (%d[%s]) tag:%d nofootprint:%d -> owner:0x%p (%d[%s]) tag:%d nofootprint:%d", 25*c54f35caSApple OSS Distributions pid, execname, arg0, arg7, ((vm_object_t)arg0)->purgable, 26*c54f35caSApple OSS Distributions old_owner, old_pid, old_name, 27*c54f35caSApple OSS Distributions arg2, arg3, 28*c54f35caSApple OSS Distributions new_owner, new_pid, new_name, 29*c54f35caSApple OSS Distributions arg5, arg6); 30*c54f35caSApple OSS Distributions stack(); 31*c54f35caSApple OSS Distributions ustack(); 32*c54f35caSApple OSS Distributions } 33