[linux-block.git] / tools / perf / include / bpf / stdio.h

// 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__,
};

#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)); })
Commit	Line	Data
53a5d7b8 ACM	1	// SPDX-License-Identifier: GPL-2.0
53a5d7b8 ACM	2
3b573bf3	3	#include <bpf.h>
53a5d7b8 ACM	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
53a5d7b8 ACM	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)); })