rendered paste body$ dtrace -n 'php*:::zval-addref { printf("zval: %x, refcount: %i, is_ref: %i\n", arg0, arg1, arg2); ustack(); }'
dtrace: description 'php*:::zval-addref ' matched 1 probe
CPU ID FUNCTION:NAME
3 95562 zend_dtrace_zval_addref:zval-addref zval: 88f5e84, refcount: 3, is_ref: 0
0x8496412
0x84dc297
0x859b9f7
0x84ded53
0x84962fb
0x84aa4ba
0x842ffa4
0x85ca89a
0x85cb7c9
0x80d2103
3 95562 zend_dtrace_zval_addref:zval-addref zval: 88f5e84, refcount: 3, is_ref: 0
0x8496412
0x84dc297
0x85c680f
0x84ded53
0x84962fb
0x84aa4ba
0x842ffa4
0x85ca89a
0x85cb7c9
0x80d2103
3 95562 zend_dtrace_zval_addref:zval-addref zval: 89197e0, refcount: 2, is_ref: 1
0x8496412
0x84dc4c6
0x85c6834
0x84ded53
0x84962fb
0x84aa4ba
0x842ffa4
0x85ca89a
0x85cb7c9
0x80d2103
3 95562 zend_dtrace_zval_addref:zval-addref zval: 89197e0, refcount: 3, is_ref: 1
0x8496412
0x8592217
0x85923b5
0x84ded53
0x84962fb
0x84aa4ba
0x842ffa4
0x85ca89a
0x85cb7c9
0x80d2103
3 95562 zend_dtrace_zval_addref:zval-addref zval: 88f5e84, refcount: 3, is_ref: 0
0x8496412
0x84dc1ec
0x84e14e5
0x84ded53
0x84962fb
0x84e0508
0x84e12e9
0x84ded53
0x84962fb
0x84aa4ba
0x842ffa4
0x85ca89a
0x85cb7c9
0x80d2103
3 95562 zend_dtrace_zval_addref:zval-addref zval: 89197e0, refcount: 4, is_ref: 1
0x8496412
0x84e1547
0x84ded53
0x84962fb
0x84e0508
0x84e12e9
0x84ded53
0x84962fb
0x84aa4ba
0x842ffa4
0x85ca89a
0x85cb7c9
0x80d2103