selftests/bpf: Migrate all deprecated perf_buffer uses

Migrate all old-style perf_buffer__new() and perf_buffer__new_raw()
calls to new v1.0+ variants.

Signed-off-by: Andrii Nakryiko <[e-mail]>
Signed-off-by: Alexei Starovoitov <[e-mail]>
Link: https://lore.kernel.org/bpf/[e-mail]

tools/testing/selftests/bpf/benchs/bench_ringbufs.c

···
 {
 	struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
 	struct perf_event_attr attr;
-	struct perf_buffer_raw_opts pb_opts = {
-		.event_cb = perfbuf_process_sample_raw,
-		.ctx = (void *)(long)0,
-		.attr = &attr,
-	};
 	struct bpf_link *link;
 
 	ctx->skel = perfbuf_setup_skeleton();
···
 	}
 
 	ctx->perfbuf = perf_buffer__new_raw(bpf_map__fd(ctx->skel->maps.perfbuf),
-					    args.perfbuf_sz, &pb_opts);
+					    args.perfbuf_sz, &attr,
+					    perfbuf_process_sample_raw, NULL, NULL);
 	if (!ctx->perfbuf) {
 		fprintf(stderr, "failed to create perfbuf\n");
 		exit(1);

tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c

···
 	const char *file_err = "./test_get_stack_rawtp_err.o";
 	const char *prog_name = "raw_tracepoint/sys_enter";
 	int i, err, prog_fd, exp_cnt = MAX_CNT_RAWTP;
-	struct perf_buffer_opts pb_opts = {};
 	struct perf_buffer *pb = NULL;
 	struct bpf_link *link = NULL;
 	struct timespec tv = {0, 10};
···
 	if (!ASSERT_OK_PTR(link, "attach_raw_tp"))
 		goto close_prog;
 
-	pb_opts.sample_cb = get_stack_print_output;
-	pb = perf_buffer__new(bpf_map__fd(map), 8, &pb_opts);
+	pb = perf_buffer__new(bpf_map__fd(map), 8, get_stack_print_output,
+			      NULL, NULL, NULL);
 	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
 		goto close_prog;
 

tools/testing/selftests/bpf/prog_tests/kfree_skb.c

···
 	struct bpf_map *perf_buf_map, *global_data;
 	struct bpf_program *prog, *fentry, *fexit;
 	struct bpf_object *obj, *obj2 = NULL;
-	struct perf_buffer_opts pb_opts = {};
 	struct perf_buffer *pb = NULL;
 	int err, kfree_skb_fd;
 	bool passed = false;
···
 		goto close_prog;
 
 	/* set up perf buffer */
-	pb_opts.sample_cb = on_sample;
-	pb_opts.ctx = &passed;
-	pb = perf_buffer__new(bpf_map__fd(perf_buf_map), 1, &pb_opts);
+	pb = perf_buffer__new(bpf_map__fd(perf_buf_map), 1,
+			      on_sample, NULL, &passed, NULL);
 	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
 		goto close_prog;
 

tools/testing/selftests/bpf/prog_tests/perf_buffer.c

···
 {
 	int err, on_len, nr_on_cpus = 0, nr_cpus, i, j;
 	int zero = 0, my_pid = getpid();
-	struct perf_buffer_opts pb_opts = {};
 	struct test_perf_buffer *skel;
 	cpu_set_t cpu_seen;
 	struct perf_buffer *pb;
···
 		goto out_close;
 
 	/* set up perf buffer */
-	pb_opts.sample_cb = on_sample;
-	pb_opts.ctx = &cpu_seen;
-	pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1, &pb_opts);
+	pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1,
+			      on_sample, NULL, &cpu_seen, NULL);
 	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
 		goto out_close;
 

tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c

···
 	struct vip key4 = {.protocol = 6, .family = AF_INET};
 	struct bpf_program *prog;
 	struct perf_buffer *pb = NULL;
-	struct perf_buffer_opts pb_opts = {};
 
 	/* Load XDP program to introspect */
 	pkt_skel = test_xdp__open_and_load();
···
 		goto out;
 
 	/* Set up perf buffer */
-	pb_opts.sample_cb = on_sample;
-	pb_opts.ctx = &passed;
-	pb = perf_buffer__new(bpf_map__fd(ftrace_skel->maps.perf_buf_map),
-			      1, &pb_opts);
+	pb = perf_buffer__new(bpf_map__fd(ftrace_skel->maps.perf_buf_map), 1,
+			      on_sample, NULL, &passed, NULL);
 	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
 		goto out;
 

tools/testing/selftests/bpf/test_tcpnotify_user.c

···
 {
 	const char *file = "test_tcpnotify_kern.o";
 	struct bpf_map *perf_map, *global_map;
-	struct perf_buffer_opts pb_opts = {};
 	struct tcpnotify_globals g = {0};
 	struct perf_buffer *pb = NULL;
 	const char *cg_path = "/foo";
···
 		return -1;
 	}
 
-	pb_opts.sample_cb = dummyfn;
-	pb = perf_buffer__new(bpf_map__fd(perf_map), 8, &pb_opts);
+	pb = perf_buffer__new(bpf_map__fd(perf_map), 8, dummyfn, NULL, NULL, NULL);
 	if (!pb)
 		goto err;