tools/testing/selftests/bpf/progs/tracing_multi_intersect_attach.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/tracing_multi_intersect_attach.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/tracing_multi_intersect_attach.c
Extension
.c
Size
849 bytes
Lines
42
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>

char _license[] SEC("license") = "GPL";

__hidden extern int tracing_multi_arg_check(__u64 *ctx, __u64 *test_result, bool is_return);

__u64 test_result_fentry_1 = 0;
__u64 test_result_fentry_2 = 0;
__u64 test_result_fexit_1 = 0;
__u64 test_result_fexit_2 = 0;

SEC("fentry.multi")
int BPF_PROG(fentry_1)
{
	tracing_multi_arg_check(ctx, &test_result_fentry_1, false);
	return 0;
}

SEC("fentry.multi")
int BPF_PROG(fentry_2)
{
	tracing_multi_arg_check(ctx, &test_result_fentry_2, false);
	return 0;
}

SEC("fexit.multi")
int BPF_PROG(fexit_1)
{
	tracing_multi_arg_check(ctx, &test_result_fexit_1, true);
	return 0;
}

SEC("fexit.multi")
int BPF_PROG(fexit_2)
{
	tracing_multi_arg_check(ctx, &test_result_fexit_2, true);
	return 0;
}

Annotation

Implementation Notes