Files
Linux_Drivers/linux_5.10/tools/perf/include/bpf/stdio.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

17 lines
456 B
C

// 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)); })