1*fdd8201dSApple OSS Distributions #!/usr/sbin/dtrace -s 2*fdd8201dSApple OSS Distributions 3*fdd8201dSApple OSS Distributions vminfo:::object_ownership_change 4*fdd8201dSApple OSS Distributions { 5*fdd8201dSApple OSS Distributions old_owner = (task_t)arg1; 6*fdd8201dSApple OSS Distributions if (old_owner == 0) { 7*fdd8201dSApple OSS Distributions old_pid = -1; 8*fdd8201dSApple OSS Distributions old_name = "(nil)"; 9*fdd8201dSApple OSS Distributions } else { 10*fdd8201dSApple OSS Distributions old_proc = xlate <psinfo_t *>((proc_t)old_owner->bsd_info); 11*fdd8201dSApple OSS Distributions old_pid = old_proc->pr_pid; 12*fdd8201dSApple OSS Distributions old_name = old_proc->pr_fname; 13*fdd8201dSApple OSS Distributions } 14*fdd8201dSApple OSS Distributions new_owner = (task_t)arg4; 15*fdd8201dSApple OSS Distributions if (new_owner == 0) { 16*fdd8201dSApple OSS Distributions new_pid = -1; 17*fdd8201dSApple OSS Distributions new_name = "(nil)"; 18*fdd8201dSApple OSS Distributions } else { 19*fdd8201dSApple OSS Distributions new_proc = xlate <psinfo_t *>((proc_t)new_owner->bsd_info); 20*fdd8201dSApple OSS Distributions new_pid = new_proc->pr_pid; 21*fdd8201dSApple OSS Distributions new_name = new_proc->pr_fname; 22*fdd8201dSApple OSS Distributions } 23*fdd8201dSApple OSS Distributions 24*fdd8201dSApple 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*fdd8201dSApple OSS Distributions pid, execname, arg0, arg7, ((vm_object_t)arg0)->purgable, 26*fdd8201dSApple OSS Distributions old_owner, old_pid, old_name, 27*fdd8201dSApple OSS Distributions arg2, arg3, 28*fdd8201dSApple OSS Distributions new_owner, new_pid, new_name, 29*fdd8201dSApple OSS Distributions arg5, arg6); 30*fdd8201dSApple OSS Distributions stack(); 31*fdd8201dSApple OSS Distributions ustack(); 32*fdd8201dSApple OSS Distributions } 33