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

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/stacktrace_map_skip.c
Extension
.c
Size
1633 bytes
Lines
69
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

if (stack_p) {
			bpf_get_stack(ctx, stack_p, max_len, TEST_STACK_DEPTH);
			/* it wrongly skipped all the entries and filled zero */
			if (stack_p[0] == 0)
				failed = 1;
		}
	} else {
		/* old kernel doesn't support skipping that many entries */
		failed = 2;
	}

	return 0;
}

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

Annotation

Implementation Notes