root/tools/perf/examples/bpf/hello.c

DEFINITIONS

1. syscall_enter

   1 #include <stdio.h>
   2 
   3 int syscall_enter(openat)(void *args)
   4 {
   5         puts("Hello, world\n");
   6         return 0;
   7 }
   8 
   9 license(GPL);