diff options
Diffstat (limited to 'tools/perf/examples/bpf/hello.c')
-rw-r--r-- | tools/perf/examples/bpf/hello.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/tools/perf/examples/bpf/hello.c b/tools/perf/examples/bpf/hello.c deleted file mode 100644 index e9080b0df158..000000000000 --- a/tools/perf/examples/bpf/hello.c +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <linux/bpf.h> -#include <bpf/bpf_helpers.h> - -struct __bpf_stdout__ { - __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY); - __type(key, int); - __type(value, __u32); - __uint(max_entries, __NR_CPUS__); -} __bpf_stdout__ SEC(".maps"); - -#define puts(from) \ - ({ const int __len = sizeof(from); \ - char __from[sizeof(from)] = from; \ - bpf_perf_event_output(args, &__bpf_stdout__, BPF_F_CURRENT_CPU, \ - &__from, __len & (sizeof(from) - 1)); }) - -struct syscall_enter_args; - -SEC("raw_syscalls:sys_enter") -int sys_enter(struct syscall_enter_args *args) -{ - puts("Hello, world\n"); - return 0; -} - -char _license[] SEC("license") = "GPL"; |