kernel/trace/bpf_trace.c

213 	 * and keys a hash map with it, then semantically identical strings can
214 	 * occupy multiple entries in the map.
549 get_map_perf_counter(struct bpf_map *map, u64 flags,
552 	struct bpf_array *array = container_of(map, struct bpf_array, map);
561 	if (unlikely(index >= array->map.max_entries))
571 BPF_CALL_2(bpf_perf_event_read, struct bpf_map *, map, u64, flags)
576 	err = get_map_perf_counter(map, flags, &value, NULL, NULL);
594 BPF_CALL_4(bpf_perf_event_read_value, struct bpf_map *, map, u64, flags,
601 	err = get_map_perf_counter(map, flags, &buf->counter, &buf->enabled,
622 __bpf_perf_event_output(struct pt_regs *regs, struct bpf_map *map,
625 	struct bpf_array *array = container_of(map, struct bpf_array, map);
633 	if (unlikely(index >= array->map.max_entries))
661 BPF_CALL_5(bpf_perf_event_output, struct pt_regs *, regs, struct bpf_map *, map,
693 	err = __bpf_perf_event_output(regs, map, flags, sd);
718 u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size,
754 	ret = __bpf_perf_event_output(regs, map, flags, sd);
801 BPF_CALL_2(bpf_current_task_under_cgroup, struct bpf_map *, map, u32, idx)
803 	struct bpf_array *array = container_of(map, struct bpf_array, map);
806 	if (unlikely(idx >= array->map.max_entries))
1705 BPF_CALL_5(bpf_perf_event_output_tp, void *, tp_buff, struct bpf_map *, map,
1715 	return ____bpf_perf_event_output(regs, map, flags, data, size);
1729 BPF_CALL_3(bpf_get_stackid_tp, void *, tp_buff, struct bpf_map *, map,
1739 	return bpf_get_stackid((unsigned long) regs, (unsigned long) map,
1928 	   struct bpf_map *, map, u64, flags, void *, data, u64, size)
1937 	ret = ____bpf_perf_event_output(regs, map, flags, data, size);
1959 	   struct bpf_map *, map, u64, flags)
1969 	ret = bpf_get_stackid((unsigned long) regs, (unsigned long) map,