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- // SPDX-License-Identifier: GPL-2.0
- #include <bpf.h>
- struct bpf_map SEC("maps") __bpf_stdout__ = {
- .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(u32),
- .max_entries = __NR_CPUS__,
- };
- static int (*perf_event_output)(void *, struct bpf_map *, int, void *, unsigned long) =
- (void *)BPF_FUNC_perf_event_output;
- #define puts(from) \
- ({ const int __len = sizeof(from); \
- char __from[__len] = from; \
- perf_event_output(args, &__bpf_stdout__, BPF_F_CURRENT_CPU, \
- &__from, __len & (sizeof(from) - 1)); })
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