File _service:obs_scm:adapted-libbpf-library-interfa... of Package A-Tune-BPF-Collection

File _service:obs_scm:adapted-libbpf-library-interface-to-fix-build-failure.patch of Package A-Tune-BPF-Collection

From acd74c90cf258fd70bd0c59a441c980b14886686 Mon Sep 17 00:00:00 2001
From: zhoupengcheng <zhoupengcheng11@huawei.com>
Date: Mon, 26 Feb 2024 10:27:19 +0800
Subject: [PATCH] adapted-libbpf-library-interface-to-fix-build-failure 1.
 adapted bpf_prog_load() 2. bpf_object__find_program_by_title() is
 discarding,Replace bpf_object__find_program_by_name() with 
 bpf_object__find_program_by_title()

---
 readahead_tune.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/readahead_tune.c b/readahead_tune.c
index f07f56e..7ec00ca 100644
--- a/readahead_tune.c
+++ b/readahead_tune.c
@@ -163,8 +163,13 @@ int main(int argc, char *argv[])
     const char *file = "readahead_tune.bpf.o";
     struct bpf_object *obj = NULL;
     unsigned int where = TERM;
-    int prog_fd = -1;
-
+	
+    LIBBPF_OPTS(bpf_prog_load_opts, opts);
+    struct bpf_insn insns[] = {
+        { BPF_ALU64 | BPF_MOV | BPF_K, BPF_REG_0, 0, 0, 0 },
+        { BPF_JMP | BPF_EXIT, 0, 0, 0, 0 }, 
+    };
+	
     int err = argp_parse(&argp, argc, argv, 0, NULL, NULL);
     if (err) {
         return err;
@@ -188,7 +193,7 @@ int main(int argc, char *argv[])
     /* Bump RLIMIT_MEMLOCK to create BPF maps */
     bump_memlock_rlimit(where);
 
-    err = bpf_prog_load(file, BPF_PROG_TYPE_UNSPEC, &obj, &prog_fd);
+    err = bpf_prog_load(BPF_PROG_TYPE_UNSPEC, file, "GPL", insns, sizeof(insns)/sizeof(insns[0]), &opts); 
     if (err) {
         log(where, LOG_ERR, "Failed to load BPF program\n");
         return err;
@@ -208,7 +213,7 @@ int main(int argc, char *argv[])
     }
 
     const char *prog_name = "raw_tracepoint.w/" READ_TP_NAME;
-    struct bpf_program *prog = bpf_object__find_program_by_title(obj, prog_name);
+    struct bpf_program *prog = bpf_object__find_program_by_name(obj, prog_name);
     if (!prog) {
         log(where, LOG_ERR, "Failed to find program %s\n", prog_name);
         err = -EINVAL;
@@ -223,7 +228,7 @@ int main(int argc, char *argv[])
     }
 
     prog_name = "raw_tracepoint/" RELEASE_TP_NAME;
-    prog = bpf_object__find_program_by_title(obj, prog_name);
+    prog = bpf_object__find_program_by_name(obj, prog_name);
     if (!prog) {
         log(where, LOG_ERR, "Failed to find program %s\n", prog_name);
         err = -EINVAL;
-- 
2.33.0