35  * @ref: external reference (e.g. db_id of sample)
427 				struct perf_sample *sample,  in thread_stack__bottom()  argument
436 	if (sample->ip) {  in thread_stack__bottom()
437 		ip = sample->ip;  in thread_stack__bottom()
439 	} else if (sample->addr) {  in thread_stack__bottom()
440 		ip = sample->addr;  in thread_stack__bottom()
451 	return thread_stack__push_cp(thread->ts, ip, sample->time, ref, cp,  in thread_stack__bottom()
457 					struct perf_sample *sample,  in thread_stack__no_call_return()  argument
466 	if (sample->ip >= ks && sample->addr < ks) {  in thread_stack__no_call_return()
470 							sample->time, ref,  in thread_stack__no_call_return()
479 						to_al->sym, sample->addr,  in thread_stack__no_call_return()
483 			return thread_stack__push_cp(ts, 0, sample->time, ref,  in thread_stack__no_call_return()
486 	} else if (thread_stack__in_kernel(ts) && sample->ip < ks) {  in thread_stack__no_call_return()
490 							sample->time, ref,  in thread_stack__no_call_return()
503 	cp = call_path__findnew(cpr, parent, from_al->sym, sample->ip,  in thread_stack__no_call_return()
508 	err = thread_stack__push_cp(ts, sample->addr, sample->time, ref, cp,  in thread_stack__no_call_return()
513 	return thread_stack__pop_cp(thread, ts, sample->addr, sample->time, ref,  in thread_stack__no_call_return()
540 				   struct perf_sample *sample, u64 ref)  in thread_stack__trace_end()  argument
555 	ret_addr = sample->ip + sample->insn_len;  in thread_stack__trace_end()
557 	return thread_stack__push_cp(ts, ret_addr, sample->time, ref, cp,  in thread_stack__trace_end()
562 			  struct perf_sample *sample,  in thread_stack__process()  argument
598 		err = thread_stack__bottom(thread, ts, sample, from_al, to_al,  in thread_stack__process()
605 	ts->last_time = sample->time;  in thread_stack__process()
607 	if (sample->flags & PERF_IP_FLAG_CALL) {  in thread_stack__process()
612 		if (!sample->ip || !sample->addr)  in thread_stack__process()
615 		ret_addr = sample->ip + sample->insn_len;  in thread_stack__process()
616 		if (ret_addr == sample->addr)  in thread_stack__process()
620 					to_al->sym, sample->addr,  in thread_stack__process()
624 		err = thread_stack__push_cp(ts, ret_addr, sample->time, ref,  in thread_stack__process()
626 	} else if (sample->flags & PERF_IP_FLAG_RETURN) {  in thread_stack__process()
627 		if (!sample->ip || !sample->addr)  in thread_stack__process()
630 		err = thread_stack__pop_cp(thread, ts, sample->addr,  in thread_stack__process()
631 					   sample->time, ref, from_al->sym);  in thread_stack__process()
635 			err = thread_stack__no_call_return(thread, ts, sample,  in thread_stack__process()
638 	} else if (sample->flags & PERF_IP_FLAG_TRACE_BEGIN) {  in thread_stack__process()
639 		err = thread_stack__trace_begin(thread, ts, sample->time, ref);  in thread_stack__process()
640 	} else if (sample->flags & PERF_IP_FLAG_TRACE_END) {  in thread_stack__process()
641 		err = thread_stack__trace_end(ts, sample, ref);  in thread_stack__process()