| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | |||||
| 3 | #include <bpf.h> | ||||
| 4 | |||||
| 5 | struct bpf_map SEC("maps") __bpf_stdout__ = { | ||||
| 6 | .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, | ||||
| 7 | .key_size = sizeof(int), | ||||
| 8 | .value_size = sizeof(u32), | ||||
| 9 | .max_entries = __NR_CPUS__, | ||||
| 10 | }; | ||||
| 11 | |||||
| 12 | #define puts(from) \ | ||||
| 13 | ({ const int __len = sizeof(from); \ | ||||
| 14 | char __from[__len] = from; \ | ||||
| 15 | perf_event_output(args, &__bpf_stdout__, BPF_F_CURRENT_CPU, \ | ||||
| 16 | &__from, __len & (sizeof(from) - 1)); }) | ||||