X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=samples%2Fbpf%2Ftracex1_user.c;h=9d4adb7fd8341e702a710e6904f53b5f9a970454;hb=bb5baaa9238ecf8f13b112232c7bbe0d3d598ee8;hp=55fddbd0870292390dc8f3ae9e60387e3ba38cda;hpb=a5c33d5f745ca1ecfbd692a531ef2a12bfeeb57e;p=linux-2.6-microblaze.git diff --git a/samples/bpf/tracex1_user.c b/samples/bpf/tracex1_user.c index 55fddbd08702..9d4adb7fd834 100644 --- a/samples/bpf/tracex1_user.c +++ b/samples/bpf/tracex1_user.c @@ -1,21 +1,41 @@ // SPDX-License-Identifier: GPL-2.0 #include -#include #include -#include -#include "bpf_load.h" +#include #include "trace_helpers.h" int main(int ac, char **argv) { - FILE *f; + struct bpf_link *link = NULL; + struct bpf_program *prog; + struct bpf_object *obj; char filename[256]; + FILE *f; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); + obj = bpf_object__open_file(filename, NULL); + if (libbpf_get_error(obj)) { + fprintf(stderr, "ERROR: opening BPF object file failed\n"); + return 0; + } + + prog = bpf_object__find_program_by_name(obj, "bpf_prog1"); + if (!prog) { + fprintf(stderr, "ERROR: finding a prog in obj file failed\n"); + goto cleanup; + } + + /* load BPF program */ + if (bpf_object__load(obj)) { + fprintf(stderr, "ERROR: loading BPF object file failed\n"); + goto cleanup; + } - if (load_bpf_file(filename)) { - printf("%s", bpf_log_buf); - return 1; + link = bpf_program__attach(prog); + if (libbpf_get_error(link)) { + fprintf(stderr, "ERROR: bpf_program__attach failed\n"); + link = NULL; + goto cleanup; } f = popen("taskset 1 ping -c5 localhost", "r"); @@ -23,5 +43,8 @@ int main(int ac, char **argv) read_trace_pipe(); +cleanup: + bpf_link__destroy(link); + bpf_object__close(obj); return 0; }