perf/util/thread-stack.c

71  * @cnt: number of entries in the stack
90 	size_t cnt;
243 	if (ts->cnt == ts->sz) {
247 			ts->cnt = 0;
251 	ts->stack[ts->cnt].trace_end = trace_end;
252 	ts->stack[ts->cnt++].ret_addr = ret_addr;
270 	for (i = ts->cnt; i; ) {
272 			ts->cnt = i;
282 	for (i = ts->cnt; i; ) {
284 			ts->cnt = i;
292 	if (!ts->cnt)
295 	return ts->stack[ts->cnt - 1].cp->in_kernel;
344 		ts->cnt = 0;
351 	while (ts->cnt) {
352 		err = thread_stack__call_return(thread, ts, --ts->cnt,
356 			ts->cnt = 0;
545 	for (i = 2, j = 1; i < sz && j <= ts->cnt; i++, j++) {
546 		ip = ts->stack[ts->cnt - j].ret_addr;
586 	for (j = 1; j <= ts->cnt; j++) {
587 		ip = ts->stack[ts->cnt - j].ret_addr;
596 	for (; nr < sz && j <= ts->cnt; nr++, j++) {
597 		ip = ts->stack[ts->cnt - j].ret_addr;
792 	if (ts->cnt == ts->sz) {
798 	tse = &ts->stack[ts->cnt++];
820 	if (!ts->cnt)
823 	if (ts->cnt == 1) {
827 			return thread_stack__call_return(thread, ts, --ts->cnt,
831 	if (ts->stack[ts->cnt - 1].ret_addr == ret_addr &&
832 	    !ts->stack[ts->cnt - 1].non_call) {
833 		return thread_stack__call_return(thread, ts, --ts->cnt,
836 		size_t i = ts->cnt - 1;
843 			while (ts->cnt > i) {
845 								--ts->cnt,
851 			return thread_stack__call_return(thread, ts, --ts->cnt,
894 		err = thread_stack__call_return(thread, ts, --ts->cnt,
927 		if (!ts->cnt) {
939 	if (ts->cnt)
940 		parent = ts->stack[ts->cnt - 1].cp;
950 		if (ts->cnt == 1) {
951 			err = thread_stack__call_return(thread, ts, --ts->cnt,
957 		if (!ts->cnt) {
972 			ts->stack[ts->cnt - 1].non_call = true;
994 	return thread_stack__call_return(thread, ts, --ts->cnt, tm, ref, false);
1004 	if (!ts->cnt)
1008 	tse = &ts->stack[ts->cnt - 1];
1010 		err = thread_stack__call_return(thread, ts, --ts->cnt,
1027 	if (!ts->cnt || (ts->cnt == 1 && ts->stack[0].ref == ref))
1030 	cp = call_path__findnew(cpr, ts->stack[ts->cnt - 1].cp, NULL, 0,
1053 	struct thread_stack_entry *tse = &ts->stack[ts->cnt - 1];
1070 		ts->cnt -= 1;
1071 		sym = ts->stack[ts->cnt - 2].cp->sym;
1078 			ts->cnt -= 1;
1086 		ts->cnt -= 1;
1090 	cp = call_path__findnew(cpr, ts->stack[ts->cnt - 2].cp, tsym,
1096 	ts->stack[ts->cnt - 1].cp = cp;
1137 	if (!ts->cnt) {
1161 		cp = call_path__findnew(cpr, ts->stack[ts->cnt - 1].cp,
1192 		if (rstate == X86_RETPOLINE_DETECTED && ts->cnt > 2 &&
1193 		    ts->stack[ts->cnt - 1].ret_addr != sample->addr)
1220 		cp = call_path__findnew(cpr, ts->stack[ts->cnt - 1].cp,
1226 			ts->stack[ts->cnt - 1].non_call = true;
1238 	return ts->cnt;