334 						    u32 trace_nr)  in stack_map_get_build_id_offset_sleepable()  argument
345 	for (u32 i = 0; i < trace_nr; i++) {  in stack_map_get_build_id_offset_sleepable()
415 					  u32 trace_nr, bool user, bool may_fault)  in stack_map_get_build_id_offset()  argument
424 		stack_map_get_build_id_offset_sleepable(id_offs, trace_nr);  in stack_map_get_build_id_offset()
440 	for (i = 0; i < trace_nr; i++) {  in stack_map_get_build_id_offset()
472 	for (i = 0; i < trace_nr; i++)  in stack_map_get_build_id_offset()
524 			const struct perf_callchain_entry *trace, u32 trace_nr, u64 flags)  in stackid_init()  argument
530 	if (trace_nr <= skip)  in stackid_init()
535 	stackid->nr = min_t(u32, trace_nr - skip, max_depth - skip);  in stackid_init()
546 			    const struct perf_callchain_entry *trace, u32 trace_nr,  in stackid_fastpath()  argument
551 	err = stackid_init(stackid, map, trace, trace_nr, flags);  in stackid_fastpath()
692 	u32 trace_nr;  in BPF_CALL_3()  local
714 		trace_nr = nr_kernel;  in BPF_CALL_3()
718 		trace_nr = trace->nr;  in BPF_CALL_3()
726 	ret = stackid_fastpath(&stackid, map, trace, trace_nr, flags);  in BPF_CALL_3()
745 static u32 callchain_store(const struct perf_callchain_entry *trace, u32 trace_nr,  in callchain_store()  argument
753 	trace_nr = trace_nr - skip;  in callchain_store()
754 	copy_len = trace_nr * elem_size;  in callchain_store()
760 		for (u32 i = 0; i < trace_nr; i++)  in callchain_store()
765 	return trace_nr;  in callchain_store()
768 static long callchain_finalize(void *buf, u32 size, u32 trace_nr, u32 elem_size,  in callchain_finalize()  argument
773 	u32 copy_len = trace_nr * elem_size;  in callchain_finalize()
776 		stack_map_get_build_id_offset(buf, trace_nr, user, may_fault);  in callchain_finalize()
791 	u32 trace_nr, elem_size, max_depth;  in __bpf_get_stack()  local
837 	trace_nr = callchain_store(trace, trace->nr, buf, elem_size, flags);  in __bpf_get_stack()
844 	return callchain_finalize(buf, size, trace_nr, elem_size, flags, may_fault);  in __bpf_get_stack()
941 static int __bpf_get_stack_pe(const struct perf_callchain_entry *trace, u32 trace_nr,  in __bpf_get_stack_pe()  argument
958 	trace_nr = min_t(u32, trace_nr, max_depth);  in __bpf_get_stack_pe()
960 	if (trace_nr < skip)  in __bpf_get_stack_pe()
963 	nr_trace = callchain_store(trace, trace_nr, buf, elem_size, flags);  in __bpf_get_stack_pe()